Patent application number | Description | Published |
20120183440 | FRET MEASUREMENT METHOD AND DEVICE - Among donor molecules labeling protein in living cells to be measured, the rate of donor molecules binding to an acceptor molecule and occurring FRET is determined. In a plurality of previous measurement samples having different ratios of first molecule concentration to second molecule concentration, a fluorescence lifetime of the first molecule are calculated and the fluorescence lifetime minimum value of the first molecule is calculated. The samples are irradiated with a laser beam having time-modulated intensity and the fluorescence emitted by the laser-irradiated measurement samples are measured. By using the fluorescent signals thus measured, the fluorescence lifetime of the first molecule is calculated. By using the fluorescence lifetime minimum value of the first molecule and the fluorescence lifetime of the first molecule that is calculated above, the rate of the first molecules occurring FRET in the first molecules in the measurement samples is calculated. | 07-19-2012 |
20120281204 | FLUORESCENCE MEASUREMENT DEVICE AND FLUORESCENCE MEASUREMENT METHOD - Disclosed herein is a fluorescence measuring apparatus capable of more accurately measuring fluorescence emitted when an object to be measured is irradiated with laser light. | 11-08-2012 |
20120282649 | FLUORESCENCE DETECTING APPARATUS, FLUORESCENCE DETECTING METHOD, AND FLUORESCENCE SIGNAL PROCESSING METHOD - Disclosed herein is a fluorescence detecting apparatus. The fluorescence detecting apparatus includes a light-receiving element that receives fluorescence emitted from an object to be measured irradiated with laser light modulated at a predetermined frequency and outputs a fluorescence signal at an adjusted output level; a signal processing unit that mixes the outputted fluorescence signal and a modulation signal with the frequency to generate fluorescence data including information about phase and intensity; and an analyzing device that calculates a first phase shift of the fluorescence emitted from the object to be measured with respect to the modulation signal, calculates a second phase shift by correcting the calculated first phase shift depending on conditions for adjusting the output level, and calculates a fluorescence relaxation time of the fluorescence emitted from the object to be measured using the calculated second phase shift. | 11-08-2012 |
20120286171 | FLUORESCENCE MEASURING APPARATUS AND FLUORESCENCE MEASURING METHOD - Disclosed herein is a fluorescence measuring apparatus capable of determining whether accuracy of measuring fluorescence lifetime is deteriorated or not due to adjustment of the apparatus. The fluorescence measuring apparatus for measuring fluorescence emitted when an objects to be measured are irradiated with laser light includes: a laser light source that irradiates each of the objects to be measured with intensity-modulated laser light; a light-receiving unit that receives fluorescence emitted when each of the objects to be measured is irradiated with the laser light; a signal processing unit that determines a fluorescence lifetime using a signal of the fluorescence received by the light-receiving unit; and a determining unit that determines whether or not a fluorescence lifetime dispersion of the objects caused by amplification of the signal of the fluorescence performed by the light-receiving unit or by the signal processing unit is larger than a predetermined value. | 11-15-2012 |
20130052656 | FRET MEASUREMENT METHOD AND FRET MEASUREMENT DEVICE - Disclosed herein is a method for measuring FRET by irradiating with laser light a measurement sample. FRET is transfer of energy from a first molecule to a second molecule. The first molecule and the second molecule are included in the measurement sample in which ligands are bound to receptors. The method includes the steps of: irradiating the measurement sample with laser light; measuring fluorescence emitted by the measurement sample; calculating a fluorescence lifetime of the first molecule; calculating a binding ratio; setting a binding condition for the measurement sample; and calculating a dissociation constant. In the dissociation constant calculating step, the dissociation constant is determined by using a least-squares method to fit a function having, as variables, a total concentration of the receptor in the measurement sample and the dissociation constant to the binding ratio calculated in the binding ratio calculating step. | 02-28-2013 |
20130220009 | FLUID BODY FLOW VISUALIZATION DEVICE AND VISUALIZATION METHOD - When a flow of a liquid body around a measuring object is visualized, a first liquid body as a tracer is supplied from a nozzle hole into a flow field of a second liquid body, and a laser beam having a wavelength optically absorbed by the first liquid body is irradiated in a manner such that the laser beam traverse across the flow field. At this point, the irradiation position of the laser beam is controlled in such a manner that the flow field is scanned with the laser beam. On the other hand, the laser beam that has passed through the flow field is received and a position where the first liquid body traverses the laser beam is obtained using the scan intensity signal of the received laser beam so that the flow of the second liquid body is visualized. The position where the first liquid body traverses the laser beam can be obtained based on a position on a time axis where a value of the scan intensity signal is less than a set threshold. According to the above described visualization, the flow field can reliably be visualized even for the high-speed fluid body. | 08-29-2013 |
Patent application number | Description | Published |
20090012721 | FLUORESCENCE DETECTING DEVICE AND FLUORESCENCE DETECTING METHOD - A fluroescene detecting device irradiates an object to be measured with a laser beam, receives fluroescene generated from the object and processes a fluorescence signal generated when receiving the fluroescene. The device includes a laser light source section outputting the laser beam for irradiating the object, a light receiving section outputting the fluorescene signal of the fluorescene generated by the irradiated object, a light source control section generates a modulatioon signal having a frequency in order to time-modulate an intensity of the laser beam, and a processing section that calculates a flurescene relaxation time of the fluorescene of the object based on the fluorescene relaxation time of the fluorescene of the object based on the fluorescene relaxation time of the fluorescene of the object based on the fluorescene signal output from the light receiving section. From the detection values acquired by the device including the phase information on the fluorescene, the intensity of the fluorescene is calculated. | 01-08-2009 |
20100320398 | FLUORESCENCE DETECTING METHOD AND FLUORESCENCE DETECTING DEVICE - Provided are a fluorescence detecting method and a fluorescence detecting device for calculating the fluorescence relaxation time constant more accurately than in the prior art when fluorescence emitted from an analyte is detected by applying laser beam. When the analyte passes the position irradiated with laser beam modulated in intensity by a modulation signal of a predetermined frequency, a first fluorescence signal of fluorescence received by a light-receiving means is collected. A second fluorescence signal of the fluorescence received by the light-receiving means is collected in a state in which the analyte is not in the position irradiated with the laser beam after the analyte has passed the position irradiated with the laser beam. Phase difference information of a fluorescence signal of the fluorescence emitted from the analyte with respect to the modulation signal of the laser beam is obtained by using the collected first fluorescence signal and second fluorescence signal, and the fluorescence relaxation time constant of the fluorescence emitted from the analyte is obtained from the obtained phase difference information of the fluorescence signal of the fluorescence emitted from the analyte. | 12-23-2010 |
20110168916 | FLUORESCENCE DETECTION DEVICE USING INTENSITY-MODULATED LASER LIGHT AND FLUORESCENCE DETECTION METHOD - Fluorescence detection device employed in a flow site meter emits laser light intensity-modulated by a modulation signal and acquires the fluorescence signal of fluorescence emitted from a measurement object passing through a measurement point of the laser light. The device generates the reference signal, separately from the modulation signal, the reference signal having a frequency different from the frequency of the modulation signal and having a phase synchronized with a phase of the modulation. The device determines fluorescence relaxation time of the measurement object from the fluorescence signal using the reference signal. | 07-14-2011 |
20110168917 | FLUORESCENCE DETECTION DEVICE USING INTENSITY-MODULATED LASER LIGHT AND FLUORESCENCE DETECTION METHOD - A fluorescence detection device for a flow site meter emits laser light intensity-modulated in accordance with a modulation signal and acquires a fluorescent signal of fluorescence emitted from a measurement object that passes through a measurement point of the laser light. The fluorescence detection device generates, separately from the modulation signal, a reference signal having a frequency different from a frequency of the modulation signal and a phase in synchronization with a phase of the modulation signal. The fluorescence detection device determines a fluorescent relaxation time of the measurement object from the fluorescent signal by using the reference signal. | 07-14-2011 |
20110278471 | FLUORESCENCE DETECTING DEVICE AND FLUORESCENCE DETECTING METHOD - In order to remove autofluorescence emitted by a measurement object, fluorescence of the measurement object within a first wavelength band is first received. The first wavelength band is set so that the intensity of fluorescence emitted by the measurement object irradiated with intensity-modulated laser light is higher than that of autofluorescence emitted by the measurement object irradiated with the laser light. Then, the autofluorescence within a second wavelength band different from the first wavelength band is received. A generated fluorescent signal of the first fluorescence and a generated fluorescent signal of the autofluorescence are mixed with a modulation signal for modulating the laser light to produce first fluorescence data and autofluorescence data, respectively. The autofluorescence data is multiplied by a predetermined constant, and the thus obtained result is subtracted from the first fluorescence data to produce third fluorescence data. The third fluorescence data is used to calculate a fluorescence intensity. | 11-17-2011 |
20120029831 | FLUORESCENCE DETECTING DEVICE AND FLUORESCENCE DETECTING METHOD - A fluorescence detecting device receives fluorescence emitted by n kinds of measurement objects within wavelength bands FL | 02-02-2012 |
20120085933 | FLUORESCENCE DETECTION DEVICE AND FLUORESCENCE DETECTION METHOD - A fluorescence emitted by a measurement object at a measurement point is measured. When the fluorescence is measured, a measurement object is irradiated with laser light whose intensity is time-modulated by using a modulation signal at a predetermined frequency. Then, the fluorescence emitted by the measurement object is formed to a flux of the fluorescence having uniform distribution of light intensity, and a plurality of partial fluorescent signals are generated by receiving a plurality of divided portions of the flux of the fluorescence. At least some of the partial fluorescent signals are added altogether to generate a single fluorescent signal. Finally, a fluorescence relaxation time of the fluorescence emitted by the measurement object is calculated from the generated fluorescent signal by using the modulation signal. When fluorescence intensity of the fluorescence calculated from the fluorescent signal exceeds a predetermined threshold, the partial fluorescent signals to be added are limited in number. Thereby, an output power of the light-receiving unit can not be prevented from saturation. | 04-12-2012 |
Patent application number | Description | Published |
20100329715 | TRANSFER DEVICE AND IMAGE FORMING APPARATUS - A transfer device comprising: a transfer section which forms a nip portion between the transfer section and an image carrier and transfers a toner image on an image carrier onto a sheet passing through the nip portion; an application section which applies a voltage to the transfer section; a determining section which determines a timing of applying voltage from the application section to the transfer section, wherein the control section controls the application section to apply a voltage having an opposite polarity to a transfer polarity to the transfer section until the timing determined by the determination section in a period since a leading edge of the sheet in a conveyance direction advances into the nip portion until a predetermined non image area of the sheet has passed through the nip portion, and then, at a timing determined, switch to apply a voltage having the transfer polarity. | 12-30-2010 |
20110044718 | CLEANING APPARATUS AND IMAGE FORMING APPARATUS - Disclosed is a cleaning apparatus including: a blade and a roller to remove the residual toner on the image carrier, the blade and the roller provided on a downstream side of a rotating direction of the image carrier than a transfer position of the toner image; a scraper to remove toner attached to the roller; and a first controlling section to control movement of the residual toner removed by the blade and the roller, the first controlling section is provided on an upstream side of the rotating direction of the image carrier than the blade and on a downstream side of the rotating direction of the image carrier than the roller and the scraper, and the first controlling section is provided facing the image carrier with a certain area provided in between to form an accumulating section to accumulate residual toner in the certain area. | 02-24-2011 |
20110280637 | CLEANING DEVICE AND IMAGE-FORMING DEVICE - A cleaning device comprises: a rotational brush disposed to touch an image holder and a lubricant, the brush which scrapes the lubricant and applies the scraped lubricant to the image holder, the brush including: a rotational axis; and a plurality of looped bristles disposed around the rotational axis, wherein a contact length of the bristles to the lubricant is longer than a contact length of the bristles to the image holder. | 11-17-2011 |
20150316878 | METHOD OF CONTROLLING IMAGE FORMING APPARATUS, IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM - A method of controlling an image forming apparatus, an image forming apparatus and image forming system are described, with which banner paper can be processed by appropriately detecting the banner paper in the fixing position when the conveyance of the banner paper is halted. The image forming apparatus comprises a paper conveying unit for conveying banner paper, an image forming unit for transferring an image to the banner paper, a fixing unit for fixing the image to the banner paper in a fixing nip by heating and pressing the banner paper conveyed along a conveying route, and a control unit. This control unit identifies information about the paper position which coincides with the fixing nip when the conveyance of the banner paper is halted and information about the amount of paper deformation of the banner paper in the paper position, and outputs the information which is identified. | 11-05-2015 |
Patent application number | Description | Published |
20110235191 | Imaging optical system, and imaging apparatus incorporating the same - An imaging optical system has, in order from the object side to the image side thereof, a front lens group, an aperture stop, and a rear lens group. A lens located closest to object side in said front lens group always remains fixed in position, with satisfaction of the following conditions (1) and (2): | 09-29-2011 |
20120092777 | ZOOM LENS AND IMAGING APPARATUS INCORPORATING THE SAME - A zoom lens comprising, in order from an object side thereof, a first lens group of positive refracting power, a second lens group of negative refracting power, an aperture stop, a third lens group of positive refracting power, a fourth lens group of negative refracting power, and a fifth lens group of positive refracting power. Upon zooming from the wide-angle end to the telephoto end, at least the first lens group and the aperture stop remain fixed in position, the second and third lens groups move in the optical axis direction, and the separation between each of the lens groups and the aperture stop changes. Upon focusing from a focusing-on-infinity state to a close-range-focusing state, the fourth lens group moves in the optical axis direction, with satisfaction of the following: | 04-19-2012 |
20120194730 | ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME - A zoom lens includes a first lens group of positive refractive power; a second lens group of negative power; a third lens group of positive power; a fourth lens group of negative power, and a fifth lens group of positive power arranged from the object side to the image side. At activation of variable power from the wide angle end to the telescopic end, the first, third, fourth and fifth lens groups moves so as to get closer to the object side or the image side at the telescopic end than at the wide angle end; and a gap between the first lens group and the second lens group increases; a gap between the second lens group and the third lens group decreases; a gap between the third lens group and the forth lens group increases; and a gap between the forth lens group and the fifth lens group increases. | 08-02-2012 |
Patent application number | Description | Published |
20130325868 | INFORMATION PROCESSING APPARATUS, CONTROL METHOD THEREFOR, AND PROGRAM FOR CLASSIFYING A PLURALITY OF DATA - An information processing apparatus classifies a piece of content data as a first or second category in response to a user operation while outputting the content data for a predetermined time. When the user operation is not performed from the start of the output of the content data to the termination, the information processing apparatus automatically classifies the content data as a third category. When there is a shortage of the number of pieces of content data classified as the first or second category, the information processing apparatus adds a piece of content data classified as the third category. | 12-05-2013 |
20140258381 | CONTENT MANAGEMENT SYSTEM, CONTENT MANAGEMENT APPARATUS, CONTENT MANAGEMENT METHOD, AND PROGRAM - A content management system, in which a server apparatus communicates with a plurality of client apparatuses via a network, includes a first client apparatus including a selection unit for selecting content to be uploaded, an editing unit for editing the content, a storage unit for associating and storing the content and editing information about the content, and an upload unit for uploading the content and the editing information to the server apparatus. The server apparatus includes a content receiving unit for receiving the content from the first client apparatus, an acquisition unit for acquiring the editing information from the apparatus, and a transmission unit for transmitting information about the content and the editing information to a second client apparatus. The second client apparatus includes a display unit for displaying the information about the content and for selectively displaying predetermined information based on the editing information. | 09-11-2014 |
Patent application number | Description | Published |
20090052538 | MOVING IMAGE DISTRIBUTION SYSTEM AND CONVERSION DEVICE - A moving image distribution system of the present invention is a moving image distribution system for distributing one or more streams through a transmission path | 02-26-2009 |
20100022265 | PTT SERVER, PTT COMMUNICATION SYSTEM, PTT COMMUNICATION METHOD, AND PROGRAM - A PTT server includes a controlling unit, a receiving unit, a medium converting unit, and a transmitting unit. The controlling unit controls pieces of connection setting information less than the number of a plurality of PTT terminals having different specifications by complying them with the plurality of PTT terminals. The receiving unit receives a medium coded data from any one of the PTT terminals. The medium converting unit converts the medium coded data with a converting method on the basis of the connection setting information compliant with a PTT terminal for transmission destination to produce an output coded data. The transmitting unit transmits the output coded data to the PTT terminal for the transmission destination. | 01-28-2010 |
20100150238 | MOVING PICTURE TRANSCODING APPARATUS, MOVING PICTURE TRANSCODING METHOD, AND MOVING PICTURE TRANSCODING PROGRAM - To provide a moving picture transcoding apparatus capable of suppressing deterioration of an image quality and capable of reducing a calculation amount required for transcoding an image, the moving picture transcoding apparatus which transcodes encoded moving picture data includes: a moving picture data producing unit for producing new moving picture data in which a specific frame of the encoded moving picture data is set as a head thereof; and a judging unit for judging whether or not a succeeding frame of the specific frame has been encoded by referring to a frame preceding the specific frame. Further, the moving picture data producing unit includes: a first frame transcoding process unit for transcoding the specific frame to a first frame which does not refer to another frame; and a succeeding frame transcoding process unit for again encoding a succeeding frame, which has been judged by the judging unit to refer to the frame preceding the specific frame, by referring to any one frame in a range from the succeeding frame judged by the judging unit to the specific frame. | 06-17-2010 |
20100239001 | VIDEO STREAMING SYSTEM, TRANSCODING DEVICE, AND VIDEO STREAMING METHOD - A video streaming system includes a streaming server ( | 09-23-2010 |
20110268185 | DELIVERY SYSTEM AND METHOD AND CONVERSION DEVICE - A delivery system, which distributes at least one stream to a terminal over a network, includes a conversion apparatus that in distributing encoded data of a moving image specified by a terminal, re-uses information of the encoded data to convert the encoded data so that the encoded data converted fits in with at least one of capability information and status of a network notified from the terminal and transmits the encoded data converted to the terminal. | 11-03-2011 |
20120014432 | APPARATUS, METHOD AND PROGRAM FOR IMAGE CONVERSION - Disclosed is a conversion apparatus including a decoding unit that decodes input encoded data into image data, and a size conversion unit that converts size of the image data based on a size conversion request received from outside and that expands/contracts, or splits/synthesizes motion vector or prediction mode of encoding parameters, received from the decoding unit, based upon a size conversion request, and an encoding unit that encodes image data after size conversion using the prediction mode or motion vector converted and transmits the resulting encoded image data via a transmission buffer to outside. | 01-19-2012 |