49th week of 2010 patent applcation highlights part 27 |
Patent application number | Title | Published |
20100309499 | IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM - An MFP is connected with an administrator PC having a printer driver installed thereon through a network to be controlled by the printer driver. The MFP is provided with an image reading portion for optically reading predetermined printed matter to input image data, a printing set value judging portion for judging printing set values when printed matter is printed from input image data, and an initial set value input portion for inputting the judged printing set values as initial set values of a printer driver. The initial set value input portion set printing set values obtained by reading printed matter on an initial set value input screen of a printer driver as the initial set values of the printer driver, and initial set values set to the initial set value input screen are changeable by a user. | 2010-12-09 |
20100309500 | DATA PROCESSING APPARATUS, PROGRAM, AND RECORDING MEDIUM - Disclosed is a data processing apparatus including an application execution unit that transmits job data; a virtual printer driver unit that is invoked upon receiving the job data from the application execution unit, extracts job information data specifying print setting from the job data, generates a work space to perform image conversion for each job, and generates drawing data of a higher image format from the job data in the work space; and a transmission processing unit that is generated as a private instance corresponding to the job data and instructs a printer driver of a transmission destination, which is determined as the transmission destination corresponding to the job data, to print the drawing data of the higher image format under the print setting specified by the job information data so as to generate output data containing raster data compatible with a printer of the transmission destination. | 2010-12-09 |
20100309501 | DEVICE MANAGEMENT APPARATUS, AND CONTROL METHOD AND STORAGE MEDIUM THEREFOR - A device management apparatus capable of managing a large number of devices, while suppressing a consumed storage area to a minimum, without restricting an amount of information acquired from management object devices and without restricting the number of management object devices. A network device management program which runs on a multi-functional device serving as the device management apparatus searches for network devices connected to a network, acquires basic information from all of searched devices, acquires additional information only from display object devices whose detail information is to be displayed on a device list screen, and separately displays the basic information and the additional information on a display unit. | 2010-12-09 |
20100309502 | APPLICATION EXECUTING METHOD, INFORMATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, TERMINAL EQUIPMENT, INFORMATION PROCESSING METHOD AND COMPUTER-READABLE STORAGE MEDIUM - An application executing method makes an information processing apparatus coupled to an image forming apparatus via a network to execute an application that functions in the image forming apparatus. The application executing method downloads the application from the image forming apparatus by the information processing apparatus, starts the downloaded application by the information processing apparatus, and absorbs differences in an execution environment of the application between the image forming apparatus and the information processing apparatus, by the information processing apparatus, so as to realize functions of the application in the information processing apparatus. | 2010-12-09 |
20100309503 | METHOD AND SYSTEM FOR PRINTING DOCUMENTS FROM A PORTABLE DEVICE - One embodiment provides a system for printing a document from a portable device. During operation, the system obtains the document to be printed. Next, the system obtains a document optical code that identifies the document. Subsequently, the system displays the document optical code on the portable device in such a way that the document optical code can be scanned and recognized by a scanner associated with the printer. Next, the system allows the printer to retrieve and print the document based at least on the document optical code. | 2010-12-09 |
20100309504 | METHOD AND SYSTEM FOR PRINTING DOCUMENTS FROM A PORTABLE DEVICE - One embodiment provides a system for facilitating document printing from a portable device. During operation, the system receives a document at a server. Next, the system generates a document optical code corresponding to the document. Subsequently, the system communicates the document optical code to the portable device, thereby allowing the portable device to display the document optical code to a scanning mechanism associated with a printer, Next, the system receives a request, indicating the optical code, from the printer. Subsequently, the system retrieves the document in response to the request, and sends the document to the printer. | 2010-12-09 |
20100309505 | METHOD AND SYSTEM FOR PRINTING DOCUMENTS FROM A PORTABLE DEVICE - One embodiment provides a system for facilitating document printing from a portable device. During operation, the system receives at an email server an email which includes an attached document. Next, the system generates at the email server a document optical code associated with the document, wherein the document optical code can be scanned and recognized by a scanning mechanism associated with a printer. Subsequently, the system attaches the optical code as an additional attachment to the email, thereby allowing a portable device to print the attached document by displaying the optical code to the scanning mechanism associated with the printer. | 2010-12-09 |
20100309506 | CONSUMABLE SERIAL NUMBER TRACKING IN A MANAGED SERVICES HOSTED ENVIRONMENT - A method stores serial numbers within memories of customer replaceable units that are used within printing devices. When one or more of the customer replaceable units are replaced, the method causes the printing devices to output to a computer the serial numbers of the customer replaceable units that are replaced. The method then analyzes the serial numbers using the computer to determine which specific customer replaceable unit was used within a specific printing device. | 2010-12-09 |
20100309507 | Systems and Methods for Printer Configuration Management - Systems and methods consistent with disclosed embodiments provide a method for managing a printer configuration menu comprising a plurality of menu options, by associating a menu configuration change field with each menu options, assigning a value to the menu configuration change field, and displaying the menu option as part of printer configuration menu during printer configuration based on the value of the menu configuration change field associated with the at least one menu option. | 2010-12-09 |
20100309508 | NETWORK PRINT-RELATED SERVICE - To perform a network print-related service, a client computer requests information relating to locations of print-related services accessible over a public network. The client computer receives identifications of locations at which available print-related services are accessible over the public network. According to the identifications of locations, one of the locations is selected for submitting a request for a print-related service over the public network. | 2010-12-09 |
20100309509 | PRINT DATA PROCESSING APPARATUS AND PRINT DATA PROCESSING METHOD - A print data processing apparatus includes a memory which stores print data configured page by page. The print data processing apparatus further includes an unnecessary page detection portion configured to detect an unnecessary page from the print data stored in the memory. The unnecessary page includes ruled line data and does not include character data. Moreover, the print data processing apparatus further includes an unnecessary page deletion portion configured to delete, from the print data stored in the memory, the unnecessary page detected by the unnecessary page detection portion. | 2010-12-09 |
20100309510 | SYSTEMS, METHODS AND DEVICES FOR PRINTING FROM A MOBILE DEVICE - In one embodiment, a method provides for receiving, in association with a user identifier uniquely identifying a user, an indication of at least one printing device and storing the indication of the at least one printing device in association with the user identifier. The method further provides for receiving from a mobile device a request to print a document, the request including the user identifier, a selection of a printing device to be used to print the document, and data comprising the document. The method still further provides for placing the document in a print queue for the selected printing device and transmitting the document to the selected printing device for printing (e.g., in response to a query from the printing device as to the status of a print queue associated with the printing device). | 2010-12-09 |
20100309511 | IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF, COMPUTER-READABLE STORAGE MEDIUM - An image processing apparatus that applies image processing to image data read from a memory, the image processing apparatus including: an image processing input circuit that acquires a command list from the memory by direct memory access and that outputs a command based on the command list; and an image processing circuit that is connected to the image processing input circuit and that sets a register or executes processing of the image data in accordance with the command outputted from the image processing input circuit. The image processing input circuit uses an address instructed by a register control command to acquire image data from a memory by direct memory access if a data acquisition command for instructing data acquisition is acquired from the command list, generates a data processing command including the acquired image data, and outputs the command to the image processing circuit. | 2010-12-09 |
20100309512 | DISPLAY CONTROL APPARATUS AND INFORMATION PROCESSING SYSTEM - A display control apparatus includes a display control unit configured to cause a display device to display a setting screen page to which a setting information item of a predetermined process is input, and to hide the setting screen page in response to an indication position of a pointing device moving out of a display region of the setting screen page. | 2010-12-09 |
20100309513 | IMAGE PROCESSING APPARATUS - An image processing apparatus (MFP) stores a print job received from a terminal apparatus even after printing (S | 2010-12-09 |
20100309514 | PRINTER, PRINTER SYSTEM, PRINTING CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING RECORDED THEREON PRINTING CONTROL PROGRAM - A printer includes a communication unit that receives print data via a communication circuit, an environmental information detection unit that detects environmental information indicative of an environmental state at printing, a determination unit that determines whether printing is possible based on the environmental information detected by the environmental information detection unit and a printing unit that executes printing on a print sheet based on the print data received by the communication unit, upon the determination unit determining that printing is possible. | 2010-12-09 |
20100309515 | DISPLAY CONTROL APPARATUS, DISPLAY CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A display control apparatus includes a detection unit configured to detect a position of a printing apparatus, which is close to or in contact with a display screen, a setting unit configured to set a display area corresponding to a position detected by the detection unit, a generation unit configured to generate a preview image of content data displayed on the display screen, and a display control unit configured to cause the preview image generated by the generation unit to be displayed on the display area set by the setting unit. | 2010-12-09 |
20100309516 | SCANNING OPTICAL APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - Provided are a scanning optical apparatus including an incident optical system for guiding a light beam emitted from a light source unit to a deflecting unit, an imaging optical system for imaging, on the surface to be scanned, a light beam deflectively scanned by the deflecting unit, and an optical path changing unit which is provided on an optical path between the deflecting unit and the surface to be scanned and includes at least two optical path changing elements. One of an optical path changing element having a minimum reflectance has a reflectance equal to or smaller than 70% in all areas used for image formation. An on-axis light beam deflected by the deflecting unit enters the optical path changing element having the minimum reflectance at a minimum angle of the at least two optical path changing elements. | 2010-12-09 |
20100309517 | Image Forming Apparatus and Method - Provided is an image forming apparatus including a plurality of resources (for example, circuits) for implementing a plurality of functions and executing jobs in order of priority by using these resources. A conflict judging section determines whether any one of the resources required for a particular one of pending jobs is the same as any one of the resources required for pending jobs having a priority higher than that of the particular job. When it has been determined by the conflict judging section that any one or more of the resources required for the particular job is not the same as any of the resources required for pending jobs having a priority higher than that of the job, a job managing section provides the particular job a right of execution. | 2010-12-09 |
20100309518 | IMAGE READING APPARATUS AND NETWORK SYSTEM - An image reading apparatus includes a reading unit; a reading processing unit for reading an image of an original with the reading unit; an operation unit for inputting terminal information of a specific terminal device among a plurality of terminal devices whose terminal information for identification is set in advance; an information request processing unit for transmitting an information acquisition request to the terminal devices through concurrent notification to request specific information; a terminal device determination processing unit for identifying the specific terminal device according to answer information transmitted from the terminal devices relative to the information acquisition request; and an image data transmission processing unit for transmitting image data of the image of the original read with the reading processing unit to the specific terminal device thus identified. | 2010-12-09 |
20100309519 | Printer driver program product and information processing apparatus - Setting information of a printer driver and setting information of plug-in software added to the printer driver are stored in different folders from each other, and managed independently of each other. At the time of using a function of the plug-in, the printer driver merges the setting information of the printer driver with the setting information of the plug-in, and controls the print setting or a printer device by using the merged setting information. As the setting information of the printer driver and the setting information of the plug-in are stored in the different folders, when the plug-in is removed, as for the setting information, it is only necessary to delete the setting information of the plug-in to be removed; thus, it is easy to remove the plug-in. | 2010-12-09 |
20100309520 | IMAGE SUPPLY DEVICE, CONTROL METHOD OF THE DEVICE, AND PRINTING SYSTEM - In this invention, to enable printing of an image that has undergone an image process or print process complying with the desire of a user on an image supply device side, real object handles and virtual object handles are set to, of images to be supplied to the printing device, images that require a predetermined image process and remaining images, respectively. A print job including the object handle of a print target image is issued in accordance with a print instruction. If the handle of an image requested by the printing device in response to the issued print job is a virtual object handle, the predetermined image process is executed for image data corresponding to the handle, and the processed image data is supplied to the printing device. | 2010-12-09 |
20100309521 | IMAGE PROCESSING APPARATUS, CONTROL METHOD OF IMAGE PROCESSING APPARATUS, AND STORAGE MEDIUM STORING THEREIN CONTROL PROGRAM FOR IMAGE PROCESSING APPARATUS - An image processing apparatus which can execute an image process which is desired by a client while minimizing a connection time and an interactive communication between the client and the image processing apparatus is provided. To accomplish the above object, according to the invention, there is provided an image processing apparatus for receiving an agent including an operation train via a network and allowing an image processing unit to execute image processes. This apparatus is constructed by: control means for controlling the image processing unit; interpreting means for interpreting the operation train of the agent; and message output means for outputting a message to the control means in response to the operation train interpreted by the interpreting means. | 2010-12-09 |
20100309522 | PRINTER CONTROL DEVICE FOR CONTROLLING CONCURRENTLY INPUT PRINT DATA, AND PRINTER APPARATUS WITH A PRINTER CONTROL DEVICE - A printer apparatus is provided which receives concurrent input print data from plural input ports without increasing receiving buffer memory. A controller determines whether an image creator is used by other jobs when starting receiving print data through any one of the plural input ports. When not used, print data related to the current job is stored in a receiving buffer memory and at the same time print data stored in the buffer memory is printed via the image creator. On the other hand, when other jobs use the image creator, the print data related to the current job is stored in a hard disk unit and is printed when the image creating device becomes available. | 2010-12-09 |
20100309523 | PRINT SYSTEM MOTION SENSOR WITH FEEDBACK CONTROL - A print system has a print engine, a presence detector and a controller. The controller receives the signal from the detector, accesses past usage data, and combines the signal and the usage data to adjust operations of the print engine. | 2010-12-09 |
20100309524 | JOB PROCESSING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM - The present invention provides a job processing apparatus which allows a plurality of users to log in, the apparatus including a detection unit configured to detect that a plurality of users has logged in, an accepting unit configured to accept a job execution instruction from a user, a display unit configured to, when the detection unit detects that a plurality of users has logged in, display the plurality of logged-in users so as to be able to identify a user who issues a job execution instruction to be accepted by the accepting unit, among the plurality of logged-in users, and a processing unit configured to, when the user is identified based on the display by the display unit and the accepting unit accepts the job execution instruction, execute a job corresponding to the execution instruction as a job by the identified user. | 2010-12-09 |
20100309525 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an image bearing member; an image forming unit configured to form a toner image on the image bearing member based on an image input signal; a detection sensor configured to detect a detection image at multiple density levels, which is formed by the image forming unit; a correction unit configured to correct image output characteristics of the image forming unit with respect to the image input signal, based on a detection result of the detection sensor; and a change unit configured to change the density levels at which the detection image is formed so that the detection image is preferentially formed in a density area of a large absolute value of a rate of change of slope of the image output characteristics. | 2010-12-09 |
20100309526 | REDUCING IOP REGISTRATION ERROR IN A DIGITAL DOCUMENT SYSTEM - What is disclosed is a novel method for reducing errors in IOP registration of a digital document system. In one embodiment, a number of digital pages (10, for example) are received in the image path. For each of a process and lateral direction of a first side of each digital image, a total amount of IOP registration error to be corrected is determined. A portion of the total IOP registration error is estimated that is separable error. Each of the estimated separable errors are subtracted from the total IOP registration error to obtain an amount of non-separable error in each respective direction. The non-separable error values are averaged to obtain an error value for each direction per-side. The error values are compensated for in their respective directions per-side by adjustments to the device in an amount which is equal in magnitude and in an opposite direction to the error. | 2010-12-09 |
20100309527 | ANNOTATION ON MEDIA SHEET INDICATING FUNCTIONALITY TO BE PERFORMED IN RELATION TO IMAGE ON MEDIA SHEET - A media sheet is scanned. The media sheet has an image and an annotation. The annotation indicates a functionality to be performed in relation to the image. The annotation on the media sheet as scanned is detected. The functionality to be performed in relation to the image is determined in correspondence to the annotation detected on the media sheet. The functionality to which the annotation corresponds is performed in relation to the image. | 2010-12-09 |
20100309528 | HIGH PRODUCTIVITY SINGLE PASS SCANNING SYSTEM - A scanner enables full productivity and individual image size detection, without user intervention for mixed size originals in both simplex and duplex scanning modes. The scanner provides high-productivity single pass scanning while preserving the image size for each of the document scanned. In addition, the scanner may support duplex scanning by adding a second image sensor, for example, in the document handler. Methods of scanning are also provided. | 2010-12-09 |
20100309529 | Image Processing Apparatus - An image processing apparatus includes a storage unit storing an image and a processing unit performing image processing in each segment of the stored image to obtain a value of each pixel in a predetermined order using calculation results for peripheral pixels processed. At least one segment is a quadrangular area. Two sides of the quadrangular area extend from a first vertex of two opposite vertices of the area toward two of subsequent pixels after a first pixel at the first vertex so that the area includes the subsequent pixels whose values are obtained using a calculation result for the first pixel. The other two sides extend from a second vertex of the two vertices toward two of previous pixels before a second pixel at the second vertex so that the area includes the previous pixels for which a value of the second pixel is calculated using calculation results. | 2010-12-09 |
20100309530 | IMAGE READING APPARATUS - When an original conveying unit that rotates about a rotation center | 2010-12-09 |
20100309531 | SCANNER CARRIER APPARATUS - Apparatus for supporting a scanner head, the apparatus comprising: a carrier assembly; a bogey assembly; and a scanner head assembly, comprising a mounting for holding a scanner head; wherein the scanner head assembly and the bogey assembly are both mounted on spring bearings on the carrier assembly such that they can both move in a vertical direction, and the scanner head assembly comprises at least two collinear vertical bearings which restrict movement of the scanner head assembly to vertical movement substantially perpendicular to a document path, and the bogey assembly comprises two laterally spaced bearings which allow rotational movement of the bogey assembly about the scanner head mounting. | 2010-12-09 |
20100309532 | IMAGE READING APPARATUS HAVING TWO IMAGE SENSORS - An image reading apparatus for use in an office machine includes a first image sensor and a second image sensor. The first image sensor is disposed in an automatic document feeder of the office machine for sensing and reading a first side of a document. The first image sensor includes a first optical module, a first correction element and an elastic sustaining element. The first optical module includes a first light source, a first light-sensing element and a glass surface. The first correction element is arranged at an opposite side of the first optical module. The elastic sustaining element has a free end sustained against the glass surface of the first optical module, thereby facilitating a close contact between the document and the glass surface. The second image sensor is disposed in an office machine main body for sensing and reading a second side of the document. | 2010-12-09 |
20100309533 | METHOD AND APPARATUS FOR CONTACT IMAGE SCANNING - A method and apparatus are disclosed for scanning documents using a contact image scanner. The imaging apparatus comprises a light source for illuminating the document, a plurality of pixel sensors for generating a signal in response to light incident thereon, a lens for focusing light from the light source reflected from the document onto the plurality of pixel sensors, a color matrix filter disposed between the pixel sensors and the light reflected from the document, and a circuit for processing the signal from the plurality of pixel sensors to generate the digital image of the document. The method comprises the steps of providing a plurality of pixel sensors for generating a signal in response to light incident thereon, projecting light from a light source onto the document in a sequential fashion along the length dimension thereof, reflecting the light projected onto the document onto the plurality of pixel sensors, filtering the light from the light source with a color matrix filter, and processing the signal from the plurality of pixel sensors to generate the digital image of the document. | 2010-12-09 |
20100309534 | METHOD OF DIGITALLY PROCESSING OPTICAL WAVES IN INTEGRATED PLANAR OPTICAL DEVICES THAT OPERATE ON THE PRINCIPLE OF DIGITAL PLANAR HOLOGRAPHY - A method of digitally processing light waves passing through a planar structure having given functions f | 2010-12-09 |
20100309535 | Shutter-glass eyewear control - A method for shutter glass eyewear control provides for a command sequence having precise shutter timing and control information for opening and closing the left and right shutters of shutter glass eyewear. The infrared signal commands are offset from the corresponding shutter action to minimize interference while still allowing the eyewear to track changes in the timing of the infrared signal received from a display system. Command sequence encodings are provided for enhanced interference rejection. | 2010-12-09 |
20100309536 | OPTICAL DEFLECTOR, OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND IMAGE PROJECTOR - An optical deflector, including a fixed base; a mirror having a light reflection surface; a pair of elastic support members oscillatably supporting the mirror; and a pair of drive beams formed of a beam-shaped member on which a piezoelectric is fixed, wherein the elastic support members and the drive beams in longitudinal directions are almost orthogonally located and connected with each other, other ends of the drive beams are fixed on the fixed base, the mirror and the pair of elastic support members are cantilevered by the pair of drive beams relative to the fixed base, and bending oscillation of the drive beams causes torsional deformation of the elastic members to rotationally oscillate the mirror. | 2010-12-09 |
20100309537 | Scanning Optical System, Optical Scanning Device, and Image forming Device - A scanning optical system is provided with a light source device ( | 2010-12-09 |
20100309538 | DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes: a pair of substrates; an electrode arranged between the pair of substrates and on one substrate of the pair of substrates; a multilayered structure including plural color-forming layers arranged between one substrate of the pair of substrates and the electrode, each of the plural color-forming layers containing an electroconductive sheet-like porous body and an electrochromic dye which is retained by the porous body and is reversibly colored or decolored by at least one of an electrochemical oxidation reaction or a reduction reaction, and the colors when the electrochromic dyes in the respective plural color-forming layers are colored being different from one another; and an electrolytic material included in a region between the pair of substrates. | 2010-12-09 |
20100309539 | Phase-Change Materials and Optical Limiting Devices Utilizing Phase-Change Materials - An optical limiting structure includes a metal layer with a single metal particle or a plurality of metal particles spaced from each other so as to form an array, where the metal particles have sizes no greater than about 1000 nanometers. A phase-change material layer is disposed adjacent at least a portion of the metal layer, where the phase-change material layer includes a phase-change material. The optical limiting structure is configured to transition from a first optical state to a second optical state, where the optical limiting structure substantially limits transmittance of light of at least one wavelength through the optical limiting structure at the second optical state, and the at least one wavelength at which the optical limiting structure substantially limits transmittance of light is different from any wavelength of light at which transmittance is substantially limited through the phase-change material prior to integration into the optical limiting structure. | 2010-12-09 |
20100309540 | METHOD AND DEVICE FOR PROVIDING ILLUMINATION TO INTERFEROMETRIC MODULATORS - An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensation mechanisms. Brightness, addressing, and driving of IMods may be accomplished in a variety of ways with appropriate packaging, and peripheral electronics which can be attached and/or fabricated using one of many techniques. The devices may be used in both embedded and directly perceived applications, the latter providing multiple viewing modes as well as a multitude of product concepts ranging in size from microscopic to architectural in scope. | 2010-12-09 |
20100309541 | DUAL DISPLAY - A dual display is disclosed, including a first electrowetting display device and a second electrowetting display device, and a reflection transmission switching device therebetween, wherein the first electrowetting display device and the second electrowetting display device have a function of displaying images and can be switched to a transmissive mode. The invention further provides a dual display, comprising a first substrate, a second substrate opposite the first substrate, a first patterned electrode and a second patterned electrode disposed on the first substrate, a reflective layer disposed on the first patterned electrode, a first patterned hydrophobic layer over the first patterned electrode, a second patterned hydrophobic layer over the second patterned electrode, a wall defining a pixel of the dual display, a first non-polar liquid disposed on the first patterned hydrophobic layer, and a second non-polar liquid disposed on the second patterned hydrophobic layer. | 2010-12-09 |
20100309542 | DISPLAY APPARATUS AND DISPLAY SHEET - A display apparatus includes: an electrode layer; a display layer that is provided on the electrode layer, and that includes a plurality of containers containing at least one of positively charged first particles and negatively charged second particles; a film provided on the display layer; and a movable electrode portion capable of applying voltage to part of a region of the display layer through the film, the film being a conductive film having lower conductivity in a planar direction than in a thickness direction of the film. | 2010-12-09 |
20100309543 | Color Rotating Element Displays - A rotating element display includes a matrix having discrete regions of cells of different sizes occupied by rotatably disposed optically and electrically anisotropic elements (e.g., electrically anisotropic bichromal spheres). The regions of larger cells are occupied by larger rotating elements having a first combination of optical properties while the regions of smaller cells are occupied by smaller elements having a second combination of optical properties. The rotating elements having different combinations of optical properties are separately addressable by electromagnetic signals that cause rotation of selected optically dissimilar elements and create a desired color image. In a different aspect, a rotating element display includes a plurality of optically anisotropic rotatable elements occupying cells of a transparent matrix, in a configuration where a background color is viewable through the matrix. A color image is created using a combination of background color with optical properties of the rotating elements. | 2010-12-09 |
20100309544 | LIGHT CONTROL FILM - Disclosed is a light control film comprising:
| 2010-12-09 |
20100309545 | FIBER CHIRPED PULSE AMPLIFIER WITH NONLINEAR COMPENSATION - A chirped pulse fiber amplifier with nonlinear compensation, includes elements for generating a light pulse having an initial peak-power P | 2010-12-09 |
20100309546 | OBJECTIVE CHANGER AND A MICROSCOPE - An objective changer for a microscope includes a changing device configured to pendulously swing each of a plurality of objectives into a respective operating position near a focal position. | 2010-12-09 |
20100309547 | OBJECTIVE-OPTICAL-SYSTEM POSITIONING APPARATUS AND EXAMINATION APPARATUS - An objective-optical-system positioning apparatus includes a positioning unit interposed between an objective optical system having a small-diameter end section and an examination optical system for examining light collected by the objective optical system; and a substantially cylindrical support unit, one end of which is secured to an organism, and which internally supports the small-diameter end section in a detachable manner. The positioning unit includes a holding part for holding the objective optical system and a moving mechanism supporting the holding part such that the holding part is freely movable in a direction intersecting with a direction of an optical axis of the objective optical system, and the other end of the support unit has a tapered inner surface whose diameter gradually increases toward the tip. | 2010-12-09 |
20100309548 | METHOD AND OPTICAL ASSEMBLY FOR ANALYSING A SAMPLE - A method and an arrangement for analyzing a specimen, wherein the specimen is supported so as to be rotatable around an axis of rotation and displaceable in all three spatial directions and is illuminated by a first illumination device. Light radiated from the specimen is imaged on a detection device. A plurality of sectional images of the specimen are recorded at different settings of the rotational angle, and the specimen is rotated. The recorded sectional images are fused to form a data set of spatial image data of the specimen. The specimen is then illuminated by a second illumination device perpendicular to the axis of rotation, wherein a plurality of shadow images of the specimen are recorded and the specimen is rotated. A second data set of spatial image data of the specimen is constructed from the recorded shadow images by means of a back projection algorithm. | 2010-12-09 |
20100309549 | LIGHT SOURCE ARRANGEMENT FOR AN ILLUMINATION DEVICE OF A MEDICAL-OPTICAL OBSERVATION - A light source arrangement ( | 2010-12-09 |
20100309550 | HEAD-MOUNTABLE LOUPE - A head-mountable loupe for observing an object includes a support configured to be attachable to the head of a user and optics mounted to the support and including an objective lens, left and right oculars and a plurality of beam folding mirrors. The loupe has an observation configuration in which the left and right oculars are disposed in front of left and right eyes, respectively, of the user, to establish a folded left beam path originating from the object, traversing the objective lens and the left ocular and reflected from plural beam folding mirrors, and to establish a folded right beam path originating from the object, traversing the objective lens and the right ocular and reflected from plural beam folding mirrors. | 2010-12-09 |
20100309551 | OPTICAL FILMS - An optical film structure for backlit displays having two films, both in prisms up configuration. The first film, closer to the light guide, has an array of generally symmetric 90-degree prisms facing the viewer. The second film, farther from the light guide, has an array of generally asymmetric prisms facing the viewer, with one face of the prisms inclined at about 45 degrees and the other face generally perpendicular to the plane of the backlight. The prisms of the first and second films may have an azimuthal angle between them, and may have different pitches from each other. The film structure recycles a portion of the light from the light guide, thereby helping to increase uniformity over the area of the display. The film structure also compresses the light emerging from the light guide, thereby providing a more sharply peaked brightness distribution for the viewer. | 2010-12-09 |
20100309552 | RETARDATION FILM - Provided is a retardation film having an excellent front contrast. It is possible o measure a scattered light intensity of a film of a 90-degree incident light of a scattered light profile by a goniophotometer. Provided is retardation film characterized in that the difference between the scattered light intensity integration values obtained when the film slow axis is arranged horizontally and vertically on a sample table is 0.1 or below in measurement to detect a scattered light intensity at the position of 95 to 165 degrees from a light source. | 2010-12-09 |
20100309553 | IMAGE PICKUP APPARATUS AND ENDOSCOPE - An image pickup apparatus has a heater device including a heater and a temperature sensor. The heater device is arranged outside the effective light beam range of an objective optical system, with a predetermined air gap between the heater device and an inner circumferential surface of a rigid member that holds a cover glass. The heater device is pressed to the cover glass by an elastic member disposed at an outer circumferential portion of a protruding frame that holds a lens at a distal end. An electrical connection portion of the heater and an electrical connection portion of the temperature sensor of the image pickup apparatus are disposed facing each other with respect to an optical axis, on a proximal end side that is further to the rear than a distal end face of a lens on a distal end side of a front group lens unit that is a side on which a height of an effective light beam of the objective optical system is relatively low. | 2010-12-09 |
20100309554 | COLOR SEPARATION MICROLENS AND COLOR SEPARATION GRATING - Color separation gratings, color separation microlenses and imaging arrays are provided. A color separation grating includes a transparent grating material having a grating formed therein. The transparent grating material has a first surface configured to receive incident light and a second surface opposite the first surface. The second surface is configured to pass selective separated colors from the incident light corresponding to different diffraction orders. The grating is formed in the first surface and includes a number of steps in a grating period and a number of sub-steps formed on each step. A combination of the number of steps and the number of sub-steps are selected to correspond to a number of diffraction orders produced by the color separation grating. | 2010-12-09 |
20100309555 | Narrow angle filter - An optical interference coating that transmits light in a narrow angular band has been achieved. This filter works in filtering light from different angles of arrival when it is operated in a tilted configuration to the incoming signal. Two such tilted filters whose normal vectors are rotated about an optical axis by 90 degrees enable light from all polarizations and from all angles of arrival to be effectively filtered by angle. | 2010-12-09 |
20100309556 | SKYLIGHT COLLIMATOR WITH MULTIPLE STAGES - A non-specular skylight collimator has at least two axially successive collimator segments from top to bottom, with the segments becoming successively less flared from top to bottom. A skylight diffuser assembly typically covers the open end of the bottom segment. | 2010-12-09 |
20100309557 | ANTI-GLARE VEHICULAR MIRROR - A mirror element for a school bus is mounted to the front to provide wide angle viewing of the ground in front of and to the side of the bus. An upper portion of the mirror element which is generally dome shaped is treated to reduce glare resulting from possible sun rays reflected in the direction of the bus driver. | 2010-12-09 |
20100309558 | DIODE LASER HAVING A BEAM-FORMING DEVICE - In a diode laser having a beam-forming device, a plurality of functions are combined in a collimating and focusing lens. In particular, the functions of an SAC lens and a focusing lens are combined in the collimating and focusing lens. | 2010-12-09 |
20100309559 | Device for Beam Shaping - A beam forming device produces a linear intensity distribution on a work plane. The device contains a laser light source that can emit laser radiation, an optical device that can transfer the laser radiation in a linear intensity distribution on the work plane, and lens that are used to influence the linear intensity distribution on the work plane and that can be displaced in the direction of diffusion of the laser radiation. The intensity profile can be modified perpendicular to the extension of the linear intensity distribution by modifying the position of the lens in the direction of diffusion of the laser radiation. | 2010-12-09 |
20100309560 | Method for Forming Variable Focus Liquid Lenses in a Tubular Housing - The present invention provides a variable focus fluid lens wherein the focal length is controllable by changing the contact angle of a fluid meniscus. A liquid ( | 2010-12-09 |
20100309561 | Scan lens for imaging device - A scan lens for an imaging device includes first, second, third, and fourth lens elements optically positioned in ascending numeric order between a scanning component and an imaging surface. The first lens element has an optical power in an in-scan direction of the imaging device and an optical power in a cross-scan direction of the imaging device, the optical power in the cross-scan direction being positive and greater than the optical power in the in-scan direction. The second lens element has a negative optical power in the in-scan and cross-scan directions. The third lens element has a positive optical power in the in-scan direction and cross-scan directions. The fourth lens element has an optical power in the in-scan direction and a positive optical power in the cross-scan direction, the optical power in the cross-scan direction being greater than the optical power in the in-scan direction. | 2010-12-09 |
20100309562 | PROJECTION ZOOM LENS AND PROJECTION-TYPE DISPLAY APPARATUS - A projection zoom lens projects an optical image of rays, which are irradiated from a light source onto a light valve and are modulated by a predetermined image displayed on the light valve, onto a screen. The projection zoom lens includes a plurality of lens groups that is formed as a telecentric system on the reduction side thereof and includes at least two movable lens groups which are movable during zooming. In the projection zoom lens, the plurality of lens groups is arranged to include, in order from a magnification side, at least a first lens group and a second lens group. The first lens group has a negative refractive power, remains stationary during zooming, and performs focusing. The second lens group has a negative refractive power and remains stationary during zooming and focusing. | 2010-12-09 |
20100309563 | ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system of the present invention has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a first lens unit having negative optical power and composed of two lens elements; a second lens unit having positive optical power; and a third lens unit having positive optical power, wherein in zooming, the lens units are moved such that an interval between the first lens unit and the second lens unit should decrease and that an interval between the second lens unit and the third lens unit should increase, so that magnification change is achieved, and wherein the condition is satisfied: 0.102010-12-09 | |
20100309564 | ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - A zoom lens system of the present invention has a plurality of lens units each composed of at least one lens element and, in order from the object side to the image side, comprises: a first lens unit having negative optical power and composed of two lens elements; a second lens unit having positive optical power; and a third lens unit having positive optical power, wherein in zooming, the lens units are moved such that an interval between the first lens unit and the second lens unit should decrease and that an interval between the second lens unit and the third lens unit should increase, so that magnification change is achieved, and wherein the condition is satisfied: 2.502010-12-09 | |
20100309565 | Laser line-generator and laser line-generator module - An object of the invention is to provide a laser line-generator that generates a straight line with the both end portions as bright as the central portion, and a laser line-generator module that integrates the laser line-generator with a laser light source. A columnar transparent medium has an entrance boundary surface | 2010-12-09 |
20100309566 | Reflective axicon systems and methods - A reflaxicon system comprising two or more reflaxicons, either, neither, or both of which can be formed of solid light transmitting material, is provided and described for use and implementation as objectives, relays, and beam expanders. Each reflaxicon features a central substantially cone shaped surface and a distal surface shaped like a truncated cone with both of said surfaces aligned with and symmetrically arranged around a central axis. In the system provided said central axes are aligned and form the optical axis of the system and further curvatures can be provided to any of said surfaces as well as to incident and exiting system surfaces to provide additional optical effects as required for different applications. Further, the conical surfaces forming the central reflectors can each or both be convex or concave, with ease of construction mitigating in favor of dual concave central reflectors as the preferred embodiment. | 2010-12-09 |
20100309567 | LENS BARREL - A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a first driving unit, a shutter unit, and an aperture unit. The first lens group has an overall negative refractive power, and includes a prism. The second support frame is driven along a second optical axis by the first driving unit. The shutter unit has a shutter mechanism, a shutter drive motor configured to drive the shutter mechanism, a neutral density filter, and a filter drive motor configured to drive the neutral density filter. The shutter drive motor and the filter drive motor are disposed flanking the second optical axis when viewed in a direction along the second optical axis. | 2010-12-09 |
20100309568 | LENS DRIVE DEVICE - A lens drive device may include a support body, a movable body having a lens, a magnetic drive mechanism having a coil mounted on the movable body and a magnet mounted on the support body for magnetically driving the movable body in a lens optical axis direction, two spring pieces which are connected between the movable body and the support body for supporting the movable body and which is used as a power supply member to the coil, and two binding pins which are provided in the movable body and around which coil ends of winding start and winding end of the coil are wound. Portions of the coil ends which are wound around the binding pins are electrically connected with the spring pieces. | 2010-12-09 |
20100309569 | FRESNEL MIRROR AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a simple Fresnel structure that can be produced automatically and easily, and can be used for broad application in the use of solar energy or as a reflector in the lighting industry. A Fresnel mirror according to the invention for the directed reflection of light is made of a flat carrier part ( | 2010-12-09 |
20100309570 | Optical device - An optical device has a reflecting mirror using a particle-dispersed silicon material including silicon carbide and silicon. The reflecting mirror includes a plurality of segments joined to each other by reaction sintering. Producing the segments is easy in comparison with that of a reflecting mirror of one piece. Accordingly, it is possible to reduce probability of breakage of the segments and to shorten process time of production of a reflecting mirror. | 2010-12-09 |
20100309571 | POLYESTER RESIN COMPOSITION, AND LIGHT REFLECTOR - A polyester resin composition for light reflector base, causing only a small amount of outgas in the process of molding a light reflector base or producing a light reflector, excellent in adhesiveness with a metal film layer provided to the surface of the light reflector base, and capable of keeping high luminance even when exposed under high-temperature atmospheres will be provided. The polyester resin composition for light reflector base of the present invention, on the surface of which a light reflecting layer is provided, contains (A) 100 parts by weight of polyester resin, and (B) 0.05 to 2 parts by weight of modified polyolefin resin having a weight-average molecular weight of 2,000 or larger, and an acid value of larger than 1 mg KOH/g and smaller than 10 mg KOH/g. | 2010-12-09 |
20100309572 | PERIODIC DIMPLE ARRAY - A microelectromechanical (MEMS) device includes a substrate, an actuation electrode over the substrate, a reflective layer over the actuation electrode, and a support layer between the actuation electrode and the reflective layer. The reflective layer includes at least one aperture through the reflective layer. The support layer includes a recess between the actuation electrode and the at least one aperture. Upon application of a control signal to the device, at least a first portion of the reflective layer is configured to move into the recess and at least a second portion of the reflective layer is configured to remain stationary. The reflectivity of the MEMS device is dominantly modulated by changing a phase difference between light reflected from the first portion and light reflected from the second portion. | 2010-12-09 |
20100309573 | Optics Changer - The invention relates to an optics changer for arranging an optical element in a target position in a changer chamber g of an optical device accessible from the outside via a insertion channel, comprising a base frame and the optical element that is pivotally fastened to the base frame via a swivel mechanism, wherein the swivel mechanism effects a pivoting movement of the optical element when the optics changer is inserted through the insertion channel in the changer chamber starting at o a predetermined insertion depth such that after inserting, the optical element is placed and pivoted in the target position. | 2010-12-09 |
20100309574 | DETECTING RAMP LOAD/UNLOAD OPERATIONS - A method for detecting ramp load/unload operations is disclosed. The method includes measuring a signal value generated by a transducer element during either a ramp unload operation or a ramp load operation in a data storage device. The method further includes analyzing the signal value to determine whether the ramp load operation or the ramp unload operation in the data storage device has occurred. | 2010-12-09 |
20100309575 | HARD DISK DRIVING CIRCUIT AND METHOD OF DRIVING SPINDLE MOTOR - A hard disk driving circuit for reducing a maximum amount of current for driving a spindle motor, and a method of driving the spindle motor. The hard disk driving circuit include spindle motor, a spindle motor driving circuit driving the spindle motor, a control circuit controlling the spindle motor driving circuit, and a plurality of functional blocks related to driving a hard disk, and further includes a mask clock signal generator generating a mask clock signal that is inactivated for a period of time when the spindle motor is driven, by using the clock signal. At least one selected from the group consisting of the control circuit, the spindle motor driving circuit, and the plurality of functional blocks operates according to the mask clock signal. | 2010-12-09 |
20100309576 | PATTERNED MEDIA MAGNETIC RECORDING DISK DRIVE WITH WRITE CLOCK PHASE ADJUSTMENT FOR WRITE HEAD TRACK MISREGISTRATION - A patterned-media magnetic recording disk drive has compensation for write head track misregistration (TMR) from the track centerline. As the disk rotates, the read head detects angularly spaced servo sectors and generates a position error signal (PES) which is used by the servo control system to maintain the read head on track. As the disk rotates, the read head also detects angularly spaced synchronization marks, which are used to control the write clock so that magnetization reversal of the magnetic write field from the write head is synchronized with the position of the data islands. If there is TMR of the write head, there will be an effective shift of A(p in the timing of when the center of the data islands pass through the write field. The disk drive includes write clock phase adjustment circuitry that correlates the PES with Δφ to compensate for TMR of the write head. | 2010-12-09 |
20100309577 | MICROWAVE-ASSISTED MAGNETIC RECORDING WITH COLLOCATED MICROWAVE AND WRITE FIELDS - Methods and devices are provided for microwave-assisted magnetic recording with collocated microwave and write fields. An illustrative device includes a magnetic write pole and one or more alternating-field components. The magnetic write pole is configured for providing a magnetic write field. The one or more alternating-field components are disposed to at least partially coincide with the magnetic write pole. The one or more alternating-field components are configured to provide an alternating magnetic field having a microwave frequency and an orientation that is at least partially transverse to the magnetic write field. | 2010-12-09 |
20100309578 | METHOD AND APPARATUS FOR ESTIMATING FLYING HEIGHT IN A HARD DISK DRIVE - This application discloses a hard disk drive and operates it based upon using a first and third harmonic amplitude generated from reading a repeated pattern of bits written to a track on a disk surface. Both amplitudes are used to create a first data set and the third harmonic amplitude is used as a single tone to create a second data set. A conversion factor between these two is determine, which may be used to convert the first data set under other conditions into a temperature insensitive table of the electrical stimulus of a vertical micro-actuator and the flying height change of the slider. The hard disk drive may be calibrated during manufacture and/or in the field. | 2010-12-09 |
20100309579 | DUAL STAGE HEAD ACTUATOR ASSEMBLY FOR TAPE DRIVE - An actuator assembly ( | 2010-12-09 |
20100309580 | Perpendicular Magnetic Recording Medium Having FCC Seed Layers - According to one embodiment, a perpendicular magnetic recording medium includes at least one soft magnetic underlayer above a substrate, a seed layer above the at least one soft magnetic underlayer, an intermediate layer above the seed layer, a magnetic recording layer above the intermediate layer, and an overcoat layer above the magnetic recording layer, wherein the seed layer includes a second seed layer above a first seed layer. In another embodiment, the seed layer is a multilayered structure of at least two cycles of a unit of layered film which includes a first seed layer and a second seed layer. The first seed layer includes a non-magnetic alloy having a Face-Centered-Cubic (FCC) structure, and the second seed layer includes a soft magnetic alloy having a FCC structure. Other structures are also disclosed, according to more embodiments. | 2010-12-09 |
20100309581 | Insertion under read shield for improved read gap actuation in dynamic flying height - A read/write head is disclosed wherein a non-magnetic layer made of a metal is inserted in the read head on a side opposite to the S1 shield with respect to the sensor. The non-magnetic layer is preferably Cu and is recessed from the ABS to prevent corrosion. A preferred design has a 1 to 5 micron thick non-magnetic insertion layer that extends a distance of 3 to 100 microns along a plane that is perpendicular to the ABS. RG efficiency is enhanced significantly and RG gamma ratio is improved to 1.0 so that a smaller difference in RG, WG, and min-fly point can be achieved at touchdown detection and in normal read/write operations. These results lead to an optimal dynamic performance for a given spacing target and enhanced read gap protrusion at a given heater power. S1/S2A thickness can be independently optimized for magnetic performance consideration only. | 2010-12-09 |
20100309582 | Recording medium cartridge and takeout management system - A recording medium cartridge includes: a recording medium that is a magnetic tape recording information; a reel body including a central shaft that takes up the recording medium and two frame plates that sandwich the taken up recording medium and face each other in a direction along the central shaft; a communication section performing communications wirelessly; and a destruction mechanism that destroys, in response to reception of a predetermined wireless signal in the communication section, the recording medium at least to the extent that reading of information by a reading device reading information from the recording medium is impossible. The destruction mechanism includes: a heating element attached to at least one of the two frame plates and supplied with electric power to generate heat, and an electric power supply section supplying electric power to the heating element in response to the reception of the wireless signal in the communication section. | 2010-12-09 |
20100309583 | Methods, Systems and Apparatus for Reducing the Effects of Tape Dimensional Stability - A method, system, apparatus, and computer readable medium storing instructions for recording data tracks and a method and system for reading data tracks. For recording data tracks, virtual boundary of a first data track recorded on the storage medium is determined. The recording element is positioned based on the determined virtual boundary of the first track and a second data track is recorded by the positioned recording element. For reading data tracks, a first virtual boundary of a first data track and a second virtual boundary of the first data track are determined and a reading element is positioned at a center of the first data track based on the determined virtual boundaries. In the system of reading recorded data tracks, a number of forward reading elements and backward reading elements are provided. The forward reading elements have different pitches. | 2010-12-09 |
20100309584 | MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD OF THE SAME - To provide a magnetic recording medium enabling excellent magnetic recording reproduction characteristics to be exhibited with the spacing loss reduced and a manufacturing method of the medium, a method of manufacturing a magnetic recording medium of the invention is to manufacture a magnetic recording medium having a magnetic recording layer of a granular structure having nonmagnetic boundary portions between pillar-shaped magnetic particles on a nonmagnetic substrate, and an exchange coupling layer provided on the magnetic recording layer to add an action of exchange coupling the magnetic particles, and is characterized by having an ion irradiation step of performing ion irradiation on the entire surface of the exchange coupling layer after layering the exchange coupling layer on the magnetic recording layer. | 2010-12-09 |
20100309585 | HEAD SLIDER AND MAGNETIC DISK DEVICE - A head slider is capable of restricting deformation of a medium-facing surface, and includes heat generating elements located at a distance from a read/write head in a Y direction corresponding to the radial direction of a disk medium. A width of the heat generating element in a Z direction is smaller than the widths in the X and Y directions. | 2010-12-09 |
20100309586 | SLIDER AIR BEARING FOR DISK DRIVES - A slider designed to reduce fly height sigma in a plurality of fly media is provided. The slider includes an air bearing surface, a front shallow step pad and a rear shallow step pad that are at a first level deeper than the air bearing surface. The slider further includes a first rear side pocket that is at a second level deeper than the air bearing surface, the first side pocket substantially polygon shaped and a second rear non-symmetrical side pocket non-symmetrical with the first rear side pocket that is at the second level deeper than the air bearing surface, the second side pockets substantially polygon shaped wherein the second rear non-symmetrical side pocket comprises a larger volume than the first rear side pocket. | 2010-12-09 |
20100309587 | FLUID DYNAMIC BEARING, SPINDLE MOTOR HAVING THE FLUID DYNAMIC BEARING, AND STORAGE APPARATUS HAVING THE SPINDLE MOTOR - A fluid dynamic bearing is configured that a distance L | 2010-12-09 |
20100309588 | TURNTABLE AND METHOD FOR MANUFACTURING THE SAME - A turntable for a storage disk drive apparatus includes a plate member made of a ferromagnetic material and a central resin member arranged at the center of the plate member and provided with an outer peripheral portion positioned above the plate member. The central resin member includes claws extending downwards from the outer peripheral portion and claw position holes overlapping with the claws in the direction parallel to the center axis of the central resin member. The claw position holes include inner surfaces spaced apart from an edge of the plate member. The inner surfaces are defined by the resin. The central resin member includes a resin layer extending in the direction perpendicular to the center axis. The resin layer exists between the portion of the edge of the plate member around the claw position holes and the claw position holes. | 2010-12-09 |
20100309589 | Inverter device - The inverter device includes an IGBT bridge circuit, a drive block which has an upper arm photocoupler and a lower arm photocoupler, and a control block including a CPU which generates gate signals and supplies them to the photocouplers . The control block includes an upper arm shutdown circuit and lower arm shutdown circuit which individually shutdown the gate signals of the upper arm and lower arm IGBTs in accordance with shutdown signals input from the exterior, and the shutdown circuits carry out a shutdown operation in accordance with the shutdown signals, which have mutually inverted logics. | 2010-12-09 |
20100309590 | High Voltage Saturated Core Fault Current Limiter - A fault current limiter designed for connection into a medium voltage, high voltage, or extra-high voltage substation or other high voltage source such as a generator station, the limiter including: a ferromagnetic circuit formed from a ferromagnetic material and including at least a first limb, a second limb and a third limb; a first input phase coil wound around the first limb, a second output phase coil wound around the third limb; a saturation mechanism surrounding a limb for magnetically saturating the ferromagnetic material; a containment vessel providing a substantially uniform, low electrical conductivity medium surrounding the ferromagnetic circuit, the phase coils and the saturation mechanism. | 2010-12-09 |
20100309591 | IMPEDANCE-BASED CURRENT SENSOR - Arc fault detection method and apparatus employ an impedance-based current sensor to provide a sensing signal indicative of current through a conductor. The impedance-based current sensor diverts high frequency components of current through the conductor and converts the high frequency components into an arc fault signal. | 2010-12-09 |
20100309592 | METHODS AND APPARATUS FOR MULTI-FREQUENCY GROUND FAULT CIRCUIT INTERRUPT GROUNDED NEUTRAL FAULT DETECTION - In a first aspect, a ground fault circuit interrupt (“GFCI”) device is provided for use with an AC power system that includes a line conductor, a neutral conductor and a transformer. The line conductor and the neutral conductor are each coupled between a source and a load, and the neutral conductor is coupled to ground at the source. The transformer includes a first primary winding coupled in series with the line conductor, a second primary winding coupled in series with the neutral conductor, and a secondary winding. The device includes a grounded neutral fault detector circuit coupled to the secondary winding. The grounded neutral fault detector circuit: (a) drives the secondary winding with a multi-frequency AC signal, (b) monitors a multi-frequency load signal in the secondary winding, and (c) provides a first detection signal if the monitored load signal exceeds a predetermined threshold. Numerous other aspects are also provided. | 2010-12-09 |
20100309593 | SEMICONDUCTOR DEVICE AND ELECTROSTATIC DISCHARGE PROTECTION METHOD FOR THE SEMICONDUCTOR DEVICE - For enhancing performance of the electrostatic discharge protection for a semiconductor IC (integrated circuit), the electrostatic discharge protection circuit includes: a power source system for supplying a current to a semiconductor IC in the semiconductor device through a power source potential line and a reference potential line; a primary protection circuit for releasing a surge current to the power source system through a first node connected to a signal terminal when the surge current is generated at the signal terminal; a trigger circuit for generating a trigger signal in response to a surge voltage generated at the power source system; and a secondary protection circuit. The secondary protection circuit releases the surge current to the power source system through a second node connected between the first node and the semiconductor IC in response to the trigger signal, so that the surge voltage can be rapidly suppressed near the semiconductor IC. | 2010-12-09 |
20100309594 | INTEGRATED CIRCUIT DEVICE - An integrated circuit device includes a first power supply domain and a second power supply domain, wherein the first power supply domain includes a first power supply line and a second power supply line, an internal circuit between the first power supply line and the second power supply line, a first clamp circuit that electrically couples between the first power supply line and the second power supply line when a certain potential difference is generated between the first power supply line and the second power supply line, and at least one of a junction element that is between the first clamp circuit and the first power supply line and a junction element that is between the first clamp circuit and the second power supply line, the junction element allowing current to flow when the first clamp circuit becomes electrically conductive. | 2010-12-09 |
20100309595 | ESD PROTECTION DEVICE - An ESD protection device has a structure that allows ESD characteristics to be easily adjusted and stabilized. The ESD protection device includes a ceramic multilayer substrate, at least a pair of discharge electrodes located in the ceramic multilayer substrate and facing each other with a space disposed therebetween, and external electrodes located on a surface of the ceramic multilayer substrate and connected to the discharge electrodes. The ESD protection device includes a supporting electrode disposed in a region that connects the pair of discharge electrodes. The supporting electrode is made of a conductive material coated with an inorganic material having no conductivity. | 2010-12-09 |
20100309596 | CONTROL OF OPERATION OF PROTECTION RELAY - A method of controlling a protection relay, includes inputting an input characteristic quantity and determining a triggering condition for the protection relay using a calculation equation, the value of which increases when the input characteristic quantity exceeds a first threshold value, and decreases when the input characteristic quantity undershoots a second threshold value for an over-function measure, and the value of the calculation equation increases when the input characteristic quantity undershoots a first threshold value, and decreases when the input characteristic quantity exceeds a second threshold value for an under function measure, wherein the calculation equation includes a first measure and a second measure, and the triggering occurs when the first measure is greater than the second measure. | 2010-12-09 |
20100309597 | APPARATUS FOR PREVENTING OVER/UNDER VOLTAGE, LIGHT EMITTING MODULE, AND DISPLAY APPARATUS - An apparatus for preventing abnormal voltage, a light emitting module, and a display apparatus are provided. The present apparatus for preventing abnormal voltage extracts the highest voltage and the lowest voltage among voltage applied from a plurality of loads, includes two voltage distribution units distributing the highest voltage and the lowest voltage, and detects whether the highest voltage and the lowest voltage applied from the voltage distribution unit are within a predetermined range. Accordingly, the apparatus for preventing abnormal voltage is not affected greatly in terms of its size and cost even if the number of loads to be protected increases. | 2010-12-09 |
20100309598 | Surge Arrester with Low Response Surge Voltage - A surge arrester includes two side electrodes extending into an interior space formed by means of at least one insulating body and a central electrode. The end-side distance between the side electrodes is greater than the distances between a respective side electrode and the central electrode. The distance between the side electrodes is less than the distance between the end regions of the central electrode and a base of the side electrodes. | 2010-12-09 |