Patents by Inventor Chien-Sheng Chen
Chien-Sheng Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180062377Abstract: A power supply device includes a power supply circuit, a detection circuit, and a control circuit. The power supply circuit is configured to output a supply voltage. The detection circuit is configured to sequentially provide a first predetermined resistance and a second predetermined resistance according to a plurality of switching signals, in order to operate with an electronic device and the supply voltage to sequentially obtain a first detection voltage and a second detection voltage. The control circuit is configured to generate the switching signals, and determine a load resistance of the electronic device according to the first detection voltage and the second detection voltage. The control circuit is further configured to determine whether the load resistance is within a predetermined resistance range, and the power supply circuit is further configured to drive the electronic device if the load resistance is within the predetermined resistance range.Type: ApplicationFiled: May 1, 2017Publication date: March 1, 2018Inventors: Chien-Sheng CHEN, Jian-Ru LIN, Chih-Cheng LIN, Rui WANG
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Patent number: 9244541Abstract: An image sensing apparatus comprises at least one sensing pixel and a control circuit. The sensing pixel comprises: a charge storing device; a light sensing device, for respectively generating photoelectrons with a first, second amount in a first, second mode; and a switch device, for determining an amount that the photoelectron can be transmitted to the charge storing device according to a control voltage. The control voltage generates the control voltage to control the amount that the photoelectrons can be transmitted to the charge storing device to be a first charge amount in a first mode and to be a second charge amount in a second mode. The first, second charge amounts are smaller than a maximum charge storing amount for the charge storing device.Type: GrantFiled: June 10, 2014Date of Patent: January 26, 2016Assignee: PixArt Imaging Inc.Inventors: En-Feng Hsu, Ching-Wei Chen, Chien-Sheng Chen, Shuen-Yin Bai, Chien-Jung Chou
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Patent number: 9239369Abstract: A method for selecting a plurality of base stations to position a mobile device is provided. The method includes selecting a plurality of base station sets from the plurality of base stations, wherein each of the plurality of base station sets corresponds to a distance matrix, utilizing a first artificial neural network (ANN) unit to select a predefined number of the plurality of base station sets from the plurality of base station sets according to a plurality of distance matrixes corresponding to the plurality of base station sets; and utilizing a second ANN unit to position the mobile device according to the predefined number of the plurality of base station sets.Type: GrantFiled: October 16, 2012Date of Patent: January 19, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Chien-Sheng Chen, Yung-Chuan Lin, Jium-Ming Lin
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Patent number: 9198037Abstract: An identification processing apparatus is provided for performing an identification procedure according to a smart card, including a storage unit for storing a first password; and an authentication unit for determining whether to perform the identification procedure according to a second password and the first password.Type: GrantFiled: January 14, 2011Date of Patent: November 24, 2015Assignee: MStar Semiconductor, Inc.Inventor: Chien-Sheng Chen
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Patent number: 9077387Abstract: An operation mode switching module for a switching a near-field communication device between a sleep mode and a communication mode is provided. The operation mode switching module includes a driver, a detector, and a state machine. The driver drives a resonant circuit to generate an oscillation signal. The detector detects a level of effect of the environment upon the oscillation signal. The state machine determines whether to switch the near-field communication device from the sleep mode to the communication mode according to the level of effect of the environment upon the oscillation signal.Type: GrantFiled: March 14, 2013Date of Patent: July 7, 2015Assignee: MSTAR SEMICONDUCTOR, INC.Inventors: Chien-Sheng Chen, Yung-Chih Lo
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Publication number: 20150118290Abstract: A method for reducing an established metastatic tumor, comprising administering an effective amount of a pharmaceutical composition to a subject in need, wherein the pharmaceutical composition comprises a polypeptide of a fibronectin-binding domain of dipeptidyl peptidase IV having a maltose-binding protein (MBP) fused at an N-terminal thereof, a cross-linking molecule, an active agent, and a pharmaceutically acceptable carrier.Type: ApplicationFiled: October 22, 2014Publication date: April 30, 2015Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: HUNG-CHI CHENG, CHIEN-SHENG CHEN, YU-CHUAN LIN, CHIN-YUN CHENG, MING-MIN CHANG
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Patent number: 9013215Abstract: A signal processing apparatus includes: a signal conversion circuit, for performing a signal conversion operation on a reception signal to generate a first output signal according to a first clock signal, and performing the signal conversion operation on the reception signal according to a second clock signal to generate a second output signal; an amplitude adjustment circuit, coupled to the signal conversion circuit, for calculating an amplitude value of the reception signal according to the first output signal, and accordingly adjusting an amplitude of the reception signal; and a phase adjustment circuit, for adjusting a phase of the second clock signal according to the second output signal.Type: GrantFiled: August 15, 2013Date of Patent: April 21, 2015Assignee: MStar Semiconductor, Inc.Inventors: Chien-Sheng Chen, Shih-Chieh Yen, Chien-Shan Chiang, Ying-Chieh Chiang
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Publication number: 20150103009Abstract: An image sensing apparatus comprises at least one sensing pixel and a control circuit. The sensing pixel comprises: a charge storing device; a light sensing device, for respectively generating photoelectrons with a first, second amount in a first, second mode; and a switch device, for determining an amount that the photoelectron can be transmitted to the charge storing device according to a control voltage. The control voltage generates the control voltage to control the amount that the photoelectrons can be transmitted to the charge storing device to be a first charge amount in a first mode and to be a second charge amount in a second mode. The first, second charge amounts are smaller than a maximum charge storing amount for the charge storing device.Type: ApplicationFiled: June 10, 2014Publication date: April 16, 2015Inventors: En-Feng Hsu, Ching-Wei Chen, Chien-Sheng Chen, Shuen-Yin Bai, Chien-Jung Chou
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Patent number: 8971921Abstract: A method utilized in a wireless communication system having a mobile device and a plurality of base stations includes obtaining a geometric matrix according to a plurality of relative distances between the mobile device and the plurality of base stations, obtaining a weighted matrix according to the mobile device and the plurality of base stations, obtaining a weighted geometric dilution of precision according to the weighted matrix and the geometric matrix, so as to obtain a weighted geometric dilution of precision closed form, and choosing a plurality of selected base stations from the plurality of base stations according to the weighted geometric dilution of precision closed form to position the mobile device.Type: GrantFiled: March 7, 2013Date of Patent: March 3, 2015Assignee: NOVATEK Microelectronics Corp.Inventors: Chien-Sheng Chen, Yung-Chuan Lin, Jium-Ming Lin
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Patent number: 8942172Abstract: A method for positioning a mobile device in a wireless wide area network (WWAN) is provided. The method includes determining three measurement circles according to coordinates of three base stations and respectively calculating radiuses of the three measurement circles and distances between the three base stations. The method uses genetic algorithm to derive the best solution of a plurality of variables of an object function and estimates the position of the mobile device according to the best solution. Accordingly, non-line-of-sight (NLOS) errors are reduced, and more accurate positioning can be provided.Type: GrantFiled: October 12, 2012Date of Patent: January 27, 2015Assignee: Novatek Microelectronics Corp.Inventors: Chien-Sheng Chen, Yung-Chuan Lin
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Publication number: 20140159788Abstract: A signal processing apparatus includes: a signal conversion circuit, for performing a signal conversion operation on a reception signal to generate a first output signal according to a first clock signal, and performing the signal conversion operation on the reception signal according to a second clock signal to generate a second output signal; an amplitude adjustment circuit, coupled to the signal conversion circuit, for calculating an amplitude value of the reception signal according to the first output signal, and accordingly adjusting an amplitude of the reception signal; and a phase adjustment circuit, for adjusting a phase of the second clock signal according to the second output signal.Type: ApplicationFiled: August 15, 2013Publication date: June 12, 2014Applicant: MStar Semiconductor, Inc.Inventors: CHIEN-SHENG CHEN, Shih-Chieh Yen, Chien-Shan Chiang, YING-CHIEH CHIANG
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Publication number: 20140141798Abstract: A method utilized in a wireless communication system having a mobile device and a plurality of base stations includes obtaining a geometric matrix according to a plurality of relative distances between the mobile device and the plurality of base stations, obtaining a weighted matrix according to the mobile device and the plurality of base stations, obtaining a weighted geometric dilution of precision according to the weighted matrix and the geometric matrix, so as to obtain a weighted geometric dilution of precision closed form, and choosing a plurality of selected base stations from the plurality of base stations according to the weighted geometric dilution of precision closed form to position the mobile device.Type: ApplicationFiled: March 7, 2013Publication date: May 22, 2014Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Chien-Sheng Chen, Yung-Chuan Lin, Jium-Ming Lin
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Publication number: 20140073242Abstract: An operation mode switching module for a switching a near-field communication device between a sleep mode and a communication mode is provided. The operation mode switching module includes a driver, a detector, and a state machine. The driver drives a resonant circuit to generate an oscillation signal. The detector detects a level of effect of the environment upon the oscillation signal. The state machine determines whether to switch the near-field communication device from the sleep mode to the communication mode according to the level of effect of the environment upon the oscillation signal.Type: ApplicationFiled: March 14, 2013Publication date: March 13, 2014Applicant: MSTAR SEMICONDUCTOR, INC.Inventors: Chien-Sheng Chen, Yung-Chih Lo
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Publication number: 20140030745Abstract: An assay kit for reacting with an analyte includes a plurality of reaction vessels and a plurality of micro beads. Each of the reaction vessels contains a filter membrane with a plurality of pores, and the diameter of each micro bead is greater than that of each pore. Each of the micro beads is directly or indirectly bound to the analyte, the competitor of the analyte or the identifying molecule. Additionally, an analysis method applied with the assay kit is also disclosed.Type: ApplicationFiled: March 15, 2013Publication date: January 30, 2014Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Chien-Sheng CHEN, Tien-Yu HO
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Patent number: 8638126Abstract: The present invention discloses a rail-to-rail comparator. The rail-to-rail comparator includes: a positive voltage rail providing a positive supply voltage, a ground voltage rail providing a ground voltage, an input stage, and an output stage. The input stage includes: a positive and a negative input terminals for receiving a first input signal and a second input signal; a first differential amplifier circuit, which includes a pair of depletion NMOS transistors to generate a first pair of differential currents; and a second differential amplifier circuit, which includes a pair of native NMOS transistors to generate a second pair of differential currents. The output stage is coupled to the first differential amplifier circuit and the second differential amplifier circuit, and generates an output signal related to a difference between the first input signal and the second input signal.Type: GrantFiled: January 18, 2012Date of Patent: January 28, 2014Assignee: Richtek Technology Corporation, R.O.C.Inventors: Chieh-Min Lo, Tzu-Huan Chiu, Chien-Sheng Chen, Chien-Ping Lu
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Patent number: 8615196Abstract: A portable apparatus is capable of switching between a plurality of smart cards and associated circuits to provide a user various independent electronic wallet functions via a single portable apparatus, thereby increasing utilization flexibility and convenience. The portable apparatus includes at least a first smart card and a second smart cart, a near-field communication (NFC) unit, and a control circuit. The first smart card and the second smart card respectively include a first interface and a second interface. The NFC unit is coupled to the first smart card and the second smart card via the first interface and the second interface, respectively. The NFC unit is capable of performing NFC with external apparatuses. The control circuit controls the NFC unit to communicate with either the first smart card or the second smart card using control signals.Type: GrantFiled: May 24, 2011Date of Patent: December 24, 2013Assignee: MStar Semiconductor, Inc.Inventor: Chien-Sheng Chen
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Publication number: 20130337845Abstract: A method for selecting a plurality of base stations to position a mobile device is provided. The method includes selecting a plurality of base station sets from the plurality of base stations, wherein each of the plurality of base station sets corresponds to a distance matrix, utilizing a first artificial neural network (ANN) unit to select a predefined number of the plurality of base station sets from the plurality of base station sets according to a plurality of distance matrixes corresponding to the plurality of base station sets; and utilizing a second ANN unit to position the mobile device according to the predefined number of the plurality of base station sets.Type: ApplicationFiled: October 16, 2012Publication date: December 19, 2013Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Chien-Sheng Chen, Yung-Chuan Lin, Jium-Ming Lin
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Publication number: 20130329581Abstract: A method for positioning a mobile device in a wireless wide area network (WWAN) is provided. The method includes determining three measurement circles according to coordinates of three base stations and respectively calculating radiuses of the three measurement circles and distances between the three base stations. The method uses genetic algorithm to derive the best solution of a plurality of variables of an object function and estimates the position of the mobile device according to the best solution. Accordingly, non-line-of-sight (NLOS) errors are reduced, and more accurate positioning can be provided.Type: ApplicationFiled: October 12, 2012Publication date: December 12, 2013Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Chien-Sheng Chen, Yung-Chuan Lin
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Patent number: 8582276Abstract: A capacitor structure including a dielectric material layer and at least two metal layers is provided. The metal layers are disposed at intervals in the dielectric material layer. Each of the metal layers includes a zigzaging electrode, a first finger-shaped electrode and a second finger-shaped electrode. The zigzaging electrode forms a plurality of first concave parts disposed at one side of the zigzaging electrode and a plurality of second concave parts disposed at the other side of the zigzaging electrode. The first finger-shaped electrode includes a plurality of first extension parts. The first extension parts are respectively disposed in the first concave parts. The second finger-shaped electrode includes a plurality of second extension parts. The second extension parts are respectively disposed in the second concave parts. The zigzaging electrode in each of the metal layers is electrically coupled to the first and second finger-shaped electrodes of adjacent metal layers.Type: GrantFiled: March 8, 2012Date of Patent: November 12, 2013Assignee: VIA Technologies, Inc.Inventor: Chien-Sheng Chen
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Patent number: 8583075Abstract: A power supply control apparatus is applied to a communication apparatus that is applied to a mobile apparatus. The power supply control apparatus includes a switch, coupled between the communication apparatus and a power supply; and a signal detecting unit, for detecting a wireless signal via an electromagnetic introduction approach to correspondingly generate a detection signal. It is determined whether to provide power to the communication apparatus via the switch according to the detection signal.Type: GrantFiled: April 29, 2011Date of Patent: November 12, 2013Assignee: MStar Semiconductor, Inc.Inventors: Chien-Sheng Chen, Chien-Shan Chiang