Jia Chen
Jia Chen, Kawasaki JP
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20100271083 | FLIP-FLOP CIRCUIT AND PRESCALER CIRCUIT INCLUDING THE SAME - A prescaler circuit according to an exemplary aspect of the present invention includes a first flip-flop circuit that detects second output data and outputs the detected data as first output data, and a second flip-flop circuit that detects the first output data and outputs the data as the second output data. The first flip-flop circuit includes a master-side latch circuit that generates intermediate data, a slave-side latch circuit that detects the intermediate data and outputs the data as the first output data, and a control signal switching circuit that selects and outputs the first output data as a control signal in a mode where the frequency is divided by 3, and selects and outputs a predefined fixed signal as a control signal in a mode where the frequency is divided by 4. The master-side latch circuit generates the intermediate data based on the second output data and the control signal. | 10-28-2010 |
Jia Chen, Ossining, NY US
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20080200021 | SPLIT POLY-SiGe/POLY-Si ALLOY GATE STACK - A multi-layered gate electrode stack structure of a field effect transistor device is formed on a silicon nano crystal seed layer on the gate dielectric. The small grain size of the silicon nano crystal layer allows for deposition of a uniform and continuous layer of poly-SiGe with a [Ge] of up to at least 70% using in situ rapid thermal chemical vapor deposition (RTCVD). An in-situ purge of the deposition chamber in a oxygen ambient at rapidly reduced temperatures results in a thin SiO | 08-21-2008 |
20080227259 | SELF-ALIGNED PROCESS FOR NANOTUBE/NANOWIRE FETs - A complementary metal oxide semiconductor (CMOS) device, e.g., a field effect transistor (FET), that includes at least one one-dimensional nanostructure that is typically a carbon-based nanomaterial, as the device channel, and a metal carbide contact that is self-aligned with the gate region of the device is described. The present invention also provides a method of fabricating such a CMOS device. | 09-18-2008 |
20080246120 | REDUCTION OF SILICIDE FORMATION TEMPERATURE ON SiGe CONTAINING SUBSTRATES - A method that solves the increased nucleation temperature that is exhibited during the formation of cobalt disilicides in the presence of Ge atoms is provided. The reduction in silicide formation temperature is achieved by first providing a structure including a Co layer including at least Ni, as an additive element, on top of a SiGe containing substrate. Next, the structure is subjected to a self-aligned silicide process which includes a first anneal, a selective etching step and a second anneal to form a solid solution of (Co, Ni) disilicide on the SiGe containing substrate. The Co layer including at least Ni can comprise an alloy layer of Co and Ni, a stack of Ni/Co or a stack of Co/Ni. A semiconductor structure including the solid solution of (Co, Ni) disilicide on the SiGe containing substrate is also provided. | 10-09-2008 |
20080273280 | Carbon Nanotube Diodes And Electrostatic Discharge Circuits And Methods - Diodes and method of fabricating diodes. A diode includes: an p-type single wall carbon nanotube; an n-type single wall carbon nanotube, the p-type single wall carbon nanotube in physical and electrical contact with the n-type single wall carbon nanotube; and a first metal pad in physical and electrical contact with the p-type single wall carbon nanotube and a second metal pad in physical and electrical contact with the n-type single wall carbon nanotube. | 11-06-2008 |
20100038628 | CHEMICAL DOPING OF NANO-COMPONENTS - A method is provided for doping nano-components, including nanotubes, nanocrystals and nanowires, by exposing the nano-components to an organic amine-containing dopant. A method is also provided for forming a field effect transistor comprising a nano-component that has been doped using such a dopant. | 02-18-2010 |
20110256675 | SELF-ALIGNED PROCESS FOR NANOTUBE/NANOWIRE FETs - A complementary metal oxide semiconductor (CMOS) device, e.g., a field effect transistor (FET), that includes at least one one-dimensional nanostructure that is typically a carbon-based nanomaterial, as the device channel, and a metal carbide contact that is self-aligned with the gate region of the device is described. The present invention also provides a method of fabricating such a CMOS device. | 10-20-2011 |
Jia Chen, Kanagawa JP
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20090267691 | AMPLIFIER CIRCUIT - A differential amplifier circuit | 10-29-2009 |
Jia Chen, Beijing CN
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20080240362 | X-RAY RADIOGRAPHY APPARATUS AND X-RAY GENERATOR MOVING DEVICE - The present invention provides an X-ray radiography apparatus constructed so as to be capable of moving an X-ray generator to as low a position as possible. A X-ray radiography apparatus is of the X-ray radiography apparatus that includes a table which has a transverse direction and a longitudinal direction, and which includes a first X-ray detector and is capable of placing a subject thereon, an X-ray generator that applies X rays to the subject placed on the table, and an X-ray generator moving device that moves the X-ray generator in the longitudinal direction of the table and upward and downward directions thereof. The X-ray generator moving device includes a guide rail disposed in the longitudinal direction in the neighborhood of the table, a guide support post that guides the X-ray generator movably up and down, and a moving member which is formed in an L shape extending in a transverse direction and extending in a longitudinal direction and which is coupled to the guide rail and the guide support post and moved along the guide rail. | 10-02-2008 |
Jia Chen, Munchen DE
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20110181879 | Method for Detection of Gases by Laser Spectroscopy, and Gas Sensor - A method and a sensor for detecting a target gas by laser spectroscopy using a laser or a laser diode having a monochrome emission wavelength that can be modulated by varying the operating temperature or the operating current. The wavelength range of the target gas comprises a first modulation of the laser or the laser diode over a first large modulation width, in addition to at least two absorption lines of a reference gas and at least one absorption line of the target gas. The absorption lines are used to calibrate the wavelength scale of the laser or the laser diode in relation to the varied operating temperature or operating current, a second modulation of the laser or the laser diode being performed over a second small modulation width, with the at least one absorption line of the target gas, for detecting the target gas. | 07-28-2011 |
20120031167 | METHOD AND DEVICE FOR CONTROLLING OR MONITORING FIRING SYSTEMS AND FOR MONITORING BUILDINGS HAVING GAS BURNERS - A method for controlling or monitoring firing systems and for monitoring buildings having gas burners using spectroscopy, provides at least one wavelength-tunable monochromatic light source. An absorption spectrum of a measuring gas is received with at least one photodetector in an absorption path with spectral tuning of the light source, and the concentration of target gases carbon monoxide (CO) and methane (CH4) can be determined simultaneously during tuning of the light source. A device for carrying out the method includes a monochromatic laser diode, in particular a VCSEL, an absorption path in the exhaust gas region or a space endangered by leakage, a photodetector for receiving light passed through the absorption path, and an evaluation unit for determining the concentration of target gases based on the absorption spectrum covered during the laser or laser diode tuning. The method and device are applied in laser-optical gas sensors in gas firing systems. | 02-09-2012 |
Jia Chen, Shenzhen City CN
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20110285628 | SWITCHING DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A switching device includes a plurality of first interfaces respectively coupled to a plurality of computers, a third interface coupled to a display module, and a switching unit coupled to the first interfaces and the third interface. The switching unit is used for selecting one of the first interfaces to be coupled to the third interface in response to a command. The display module receives a video signal from a selected one of the computers through the selected first interface and the third interface, and displays video information. | 11-24-2011 |
20120059611 | TEST CIRCUIT FOR TESTING FLEXIBLE PRINTED CIRCUIT - A test circuit for testing a flexible printed board (FPC) is provided, the test circuit includes a parameter preset module, a comparison module, and a prompt module. The parameter preset module is used to preset a parameter range indicating the suitable range of the resistance value of the FPC, and is further configured to connect to the FPC and convert the resistance value of the FPC to a related parameter. The comparison module compares the related parameter with the parameter range preset by the parameter preset module, and produces a comparison result. The prompt module produces a corresponding prompt signal according to the comparison result. | 03-08-2012 |
20120063563 | SCREW COUNTER AND ELECTRONIC DEVICE USING THE SAME - A screw counter includes a first interface, a second interface, and a processing unit. The first interface connected to a screwdriver, the screwdriver is adapted for screwing a predetermined total number of screws into a workpiece to perform a screwing operation on the workpiece. The second interface is connected to a detecting unit. The detecting unit detects a start time and a finish time of the screwing operation. The processing unit counts a variable, each time when the processing unit is changed from a first state to a second state, the variable adds one; a total added value of the variable is calculated during a time interval between the start time and the finish time to acquire a total number of screws which are completely screwed into the workpiece. | 03-15-2012 |
Jia Chen, Shanghai CN
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20120161728 | SWITCHING VOLTAGE REGULATORS WITH HYSTERETIC CONTROL FOR ENHANCED MODE-TRANSITION SPEED AND STABILITY - Switching voltage regulator embodiments are provided with hysteretic control to thereby switch between pulse-width modulation and pulse-frequency modulation operational modes. The switching is in response to different levels of an error voltage V | 06-28-2012 |
20120249564 | Graphics Pipeline Scheduling Architecture Utilizing Performance Counters - A method, device, and system are disclosed. In one embodiment the method includes determining a current computing-memory ratio. Then the method compares the current computing-memory ratio to a lower ratio threshold value. Then the method configures a next draw command to be performed using a graphics memory efficiency operational mode when the current computing-memory ratio is below the lower ratio threshold value. | 10-04-2012 |
Jia Chen, Foster City, CA US
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20130054583 | PERSONALIZING SCOPING AND ORDERING OF OBJECT TYPES FOR SEARCH - A method of establishing personalized limits on a search responsive to a key word query in an enterprise search system is described that includes receiving an object types access history for a particular user. Applying this method, the object types access history includes records of object types selected from search results returning multiple object types and records of object types selected via interfaces other than search results. The method continues with determining and storing in computer readable memory a personalized scope of object types. The personalized scope of object types sets a limit on object types initially returned by an enterprise search system for the particular user in response to key word queries by the particular user that do not specify object types to search. | 02-28-2013 |
20140310272 | PERSONALIZING SCOPING AND ORDERING OF OBJECT TYPES FOR SEARCH - A method of establishing personalized limits on a search responsive to a key word query in an enterprise search system is described that includes receiving an object types access history for a particular user. Applying this method, the object types access history includes records of object types selected from search results returning multiple object types and records of object types selected via interfaces other than search results. The method continues with determining and storing in computer readable memory a personalized scope of object types. The personalized scope of object types sets a limit on object types initially returned by an enterprise search system for the particular user in response to key word queries by the particular user that do not specify object types to search. | 10-16-2014 |
Jia Chen, Rastatt DE
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20130162979 | Measuring Method and Measuring Device for Optical Gas Measurement - An optical gas measurement using a Vertical Cavity Surface-Emitting Laser (VCSEL) and a hollow waveguide connected thereto, wherein the hollow waveguide contains a gas to be measured and conducts light. To this end, the hollow waveguide is made to vibrate. The gas measurement is performed and integrated over a period of time. As a result, disturbances of the measurement caused by interferences are considerably reduced. | 06-27-2013 |
Jia Chen, Brookline, MA US
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20140112936 | METHODS OF NEUTRALIZING VIRAL INFECTION - Isolated, antigenic polypeptides including a pre-hairpin intermediate conformation of gp41 and vectors encoding such polypeptides are provided. Antibodies that bind to a pre-hairpin intermediate conformation of gp41 and methods of making antibodies a that bind to pre-hairpin intermediate conformation of gp41 are also provided. Vaccines against a pre-hairpin Fd intermediate conformation of gp41, as well as methods of treating subjects infected with HIV, preventing HIV infection, and inhibiting HIV-mediated activities are also provided. Methods of screening compounds that bind to an isolated, pre-hairpin intermediate conformation of gp41 are further provided. | 04-24-2014 |
Jia Chen, Chengdu, Sichuan CN
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20160020817 | Method and Apparatus for Antenna Calibration - Method and apparatus for antenna calibration have been disclosed. A radio unit ( | 01-21-2016 |