Patents by Inventor Tso Chen

Tso 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).

  • OSCILLATOR SCHEME CAPABLE OF REDUCING FAR-OUT PHASE NOISE AND CLOSED-IN PHASE NOISE
    Publication number: 20170170784
    Abstract: An oscillator apparatus includes an oscillator core circuit. The oscillator core circuit includes an inverting transconductance amplifier, at least one first capacitor, at least one second capacitor, and a resonator. The at least one first capacitor is connected between an input of the inverting transconductance amplifier and a ground level. The at least one second capacitor is connected between an output of the inverting transconductance amplifier and the ground level. The resonator has a first port connected to the input of the inverting transconductance amplifier and a second port connected to the output of the inverting transconductance amplifier. The first port is decoupled from the second port.
    Type: Application
    Filed: November 7, 2016
    Publication date: June 15, 2017
    Inventors: Hao-Wei Huang, Yen-Tso Chen, Kun-Yin Wang
  • DEVICE FOR HEATING TO GENERATE UNIFORM MOTLEN POOL
    Publication number: 20170151630
    Abstract: This disclosure provides a device for heating to generate a uniform molten pool, including: a source unit for generating an energy beam; a beam expanding/reducing unit positioned in an energy path of the energy beam for adjusting the diameter of the energy beam; a flat-top conical lens set positioned in the energy path and including at least two flat-top axicons, with the beam expanding/reducing unit positioned between the source unit and the flat-top conical lens set; and a focusing lens positioned in the energy path, with the flat-top conical lens set between the beam expanding/reducing unit and the focusing lens, and the energy beam being focused by the focusing lens. This disclosure generates a uniform molten pool to prevent vaporization splash due to overheating of the material during melting.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 1, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuang-Yao HUANG, Chien-Jung HUANG, Kuo-Tso CHEN, Chun-Jen GU
  • SIGNAL GENERATOR AND ASSOCIATED RESONATOR CIRCUIT
    Publication number: 20170141728
    Abstract: A signal generator and an associated resonator circuit are provided. The signal generator includes the resonator circuit and a core circuit. The resonator circuit further includes a first inductor (L1), a second inductor (L2), a plurality of capacitors and a switching circuit. The first inductor (L1) has a first terminal (N1) and a third terminal (N3), and the second inductor (L2) has a second terminal (N2) and a fourth terminal (N4). The switching circuit includes a first switch (S1), a second switch (S2), a third switch (S3) and a fourth switch (S4). The core circuit further includes a first inner circuit, a first outer circuit, a second inner circuit, and a second outer circuit. Configurations of these switches are adjustable and resonance caused between these terminals is changed accordingly.
    Type: Application
    Filed: October 13, 2016
    Publication date: May 18, 2017
    Inventor: Yen-Tso Chen
  • Conductive coating compositions
    Patent number: 9637646
    Abstract: The present invention provides a conductive coating composition, which contains: a conductive organic polymer, a non-conductive organic compound, a solvent and optionally a curing agent; where the content of the conductive organic polymer is about 10% to about 50%, based on the total weight of the solids content in the composition. The present invention also provides a conductive film, which is formed by drying the conductive coating composition. The conductive film has a surface resistivity lower than 1000 ?/sq and a total light transmittance greater than 80%. The conductive coating composition of the present invention can be used as an electromagnetic interference shielding material or an electrode material, and can be applied to various electronic products.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: May 2, 2017
    Assignee: ETERNAL MATERIALS CO., LTD.
    Inventors: Wei-Kai Chen, Tu-Yi Wu, Chung-Jen Chang, Meng-Tso Chen
  • LIGHT EMITTING DEVICE WITH LOW VOLTAGE-ENDURANCE COMPONENTS
    Publication number: 20160374166
    Abstract: A light emitting device with low voltage-endurance components includes a light emitting diode string, M pieces of first control circuit, a detection unit and a current control circuit. The light emitting diode string includes M pieces of first light emitting diode connected in series. Each first control circuit includes a first switch. One end of the light emitting string is coupled to a node of an input voltage. The first switch is connected to its related first light emitting diode in parallel and can enable a bypass current path. The detection unit detects the potential of the input voltage to produce a current detection signal. The current control circuit is coupled to the M-th piece of the first control circuits and the detection unit and controls the M-th piece of the first control circuits to selectively enable the bypass current path according to the current detection signal.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 22, 2016
    Applicant: TM TECHNOLOGY, INC
    Inventors: Kuo-Tso CHEN, Chi-Cheng CHAO, Chih-Yueh YEN
  • METHODS AND DEVICES FOR MEDIA CASTING MANAGEMENT AMONG MULTIPLE MEDIA CASTING DEVICES SUPPORTING DIFFERENT MEDIA CASTING PROTOCOLS
    Publication number: 20160173937
    Abstract: A method for managing media content casting among media casting devices supporting different media casting protocols for use in a device wirelessly connected to the media casting devices is provided. The method includes the following steps. A request indicating media content to be casted is first received. The media casting devices are scanned to determine a list of available devices for media content casting according to the predetermined preferences. The list of available devices is displayed on a display for selection. A first media casting protocol corresponding to a first selected media casting device is determined and the media content is transmitted to the first selected media casting device by the first media casting protocol.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 16, 2016
    Inventors: Cheng-Wei SHIH, Yung-Tso CHEN, Hsiao-Wen CHEN, Chia-Feng YEH
  • Semiconductor element having conductive damascene structures extending perpendicular to doping strips, and manufacturing method of the same
    Patent number: 9312139
    Abstract: A semiconductor element and a manufacturing method of the same are provided. The semiconductor element includes a substrate, a plurality of doping strips, a memory material layer, a plurality of conductive damascene structures, and a dielectric structure. The doping strips are formed in the substrate. The memory material layer is formed on the substrate, and the memory material layer comprises a memory area located on two sides of the doping strips. The conductive damascene structures are formed on the memory material layer. The dielectric structure is formed on the doping strips and between the conductive damascene structures. The conductive damascene structures are extended in a direction perpendicular to a direction which the doping strips are extended in.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: April 12, 2016
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Ching-Hung Wang, Jyun-Siang Huang, Chien-Hung Liu, Chia-Wen Cheng, Ying-Tso Chen
  • Constant current driving device
    Patent number: 9307592
    Abstract: A constant current driving device includes an electronic device, a transistor, a rectifying circuit, a current limiting element, an impedance element, and a first and a second energy storage element. A first end of the electronic device is connected to a first end of a load element. A first end of the transistor is connected to a second end of the load element, a second end of the transistor is connected to a second end of the electronic device through an impedance element, and a control end of the transistor is connected to the second end of the electronic device through a first energy storage element. The rectifying circuit connected between the first end and the control end of the transistor. The current limiting element is connected in parallel with the rectifying circuit. The second energy storage element is connected between the first and second end of the electronic device.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: April 5, 2016
    Assignee: Optromax Electronics Co., LTD
    Inventor: Kuo-Tso Chen
  • SOLVENT-CONTAINING DRY FILM AND METHOD FOR APPLYING THE SAME ON A SUBSTRATE
    Publication number: 20160017105
    Abstract: The present disclosure relates to a solvent-containing dry film and a method for applying a dry film on a substrate. The dry film includes a carrier and a resin layer. The resin layer contains a resin composition and a solvent and the solvent is present in a total amount of at least 5 wt % based on the total weight of the resin layer. The dry film of the present invention can be applied onto a substrate without the use of a prior art vacuum lamination apparatus. The application process is simple and is more cost-efficient than the prior art techniques.
    Type: Application
    Filed: July 20, 2015
    Publication date: January 21, 2016
    Applicant: ETERNAL MATERIALS CO., LTD.
    Inventors: Chung-Jen WU, Meng-Yen CHOU, Yi-Chung SHIH, Meng-Tso CHEN, Chih-Ming AN, Chang-Hong HO, Shih-Chieh YEH, Shun-Jen CHIANG, Po-Bu HUANG, Shu-Wan LU
  • APPARATUS AND METHOD FOR DISPLAYING AMOUNT OF MONEY
    Publication number: 20160005046
    Abstract: An apparatus and a method for displaying amount of money are disclosed. The apparatus for displaying amount of money comprises a signal detection module, a position module, a storage device, a micro controller and a monitor. The signal detection module detects a radio frequency identification (RFID) signal outputted from a toll gantry. The position module provides a position information. The storage device stores a gantry information. After the RFID signal was detected, the micro controller calculates an original debit amount according to the position information and the gantry information, and generates a money information according to the original debit amount. The monitor shows the money information.
    Type: Application
    Filed: November 17, 2014
    Publication date: January 7, 2016
    Inventors: Yu-Ru Li, Chia-Hui Chang, Ming-Tso Chen
  • TOUCH COMMUNICATIONS CONNECTION ESTABLISHING METHOD AND TOUCH PANEL DEVICE
    Publication number: 20150378501
    Abstract: A touch communication connection establishing method, for establishing a touch communication between a first touch panel device (500) with a first touch panel (501) and a second touch panel device (900) with a second touch panel (901). The touch communication connection establishing method comprises: sensing at least one control action, wherein the control action comprises at least one touch communication related action, and/or determining if an arrangement of the control action meets a predetermined rule to generate a determining result; and establishing the touch communication connection between the first touch panel device (500) and the second touch panel device (900) based on the determining result.
    Type: Application
    Filed: December 30, 2014
    Publication date: December 31, 2015
    Inventors: Hsiao-Wen Chen, Cheng-Wei Shih, Yung-Tso Chen, Chia-Feng Yeh
  • CONSTANT CURRENT DRIVING DEVICE
    Publication number: 20150373797
    Abstract: A constant current driving device includes an electronic device, a transistor, a rectifying circuit, a current limiting element, an impedance element, and a first and a second energy storage element. A first end of the electronic device is connected to a first end of a load element. A first end of the transistor is connected to a second end of the load element, a second end of the transistor is connected to a second end of the electronic device through an impedance element, and a control end of the transistor is connected to the second end of the electronic device through a first energy storage element. The rectifying circuit connected between the first end and the control end of the transistor. The current limiting element is connected in parallel with the rectifying circuit. The second energy storage element is connected between the first and second end of the electronic device.
    Type: Application
    Filed: December 11, 2014
    Publication date: December 24, 2015
    Applicant: Optromax Electronics Co., LTD
    Inventor: Kuo-Tso Chen
  • Cloud video exchanging conference device
    Patent number: 8988487
    Abstract: The present invention discloses a cloud video exchanging conference device. The cloud video conference device includes at least one multi-point control unit, corresponding to at least one representative number, connecting to the Internet via at least one Internet Protocol address; a backend management module, for corresponding the at least one representative number to the at least one Internet Protocol address; and at least one video conference operating module, for obtaining a corresponding specific Internet Protocol address among the at least one Internet Protocol address via the backend management module according to a specific representative number among the at least one representative number, to connect to a corresponding specific multi-point control unit among the at least one multi-point control unit for video exchanging conference.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: March 24, 2015
    Inventor: Yen-Tso Chen
  • Method of manufacturing metal silicide and semiconductor structure using the same
    Patent number: 8969202
    Abstract: A method of manufacturing a metal silicide is disclosed below. A substrate having a first region and a second region is provided. A silicon layer is formed on the substrate. A planarization process is performed to make the silicon layer having a planar surface. A part of the silicon layer is removed to form a plurality of first gates on the first region and to form a plurality of second gates on the second region. The height of the first gates is greater than the height of the second gates, and top surfaces of the first gates and the second gates have the same height level. A dielectric layer covering the first gates and the second gates is formed and exposes the top surfaces of the first gates and the second gates. A metal silicide is formed on the top surfaces of the first gates and the second gates.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: March 3, 2015
    Assignee: Macronix International Co., Ltd.
    Inventors: Yen-Hao Shih, Ying-Tso Chen, Shih-Chang Tsai, Chun-Fu Chen
  • Electronic device
    Patent number: 8947004
    Abstract: An electronic device is provided. The electronic device includes a plurality of load units, a plurality of serial-parallel switch units and a control module. The control module switches the serial-parallel switch units to a first state or a second state according to a level variation of an input voltage. Connection relations of the load units are correspondingly changed according to the level variation of the input voltage. In this way, the electronic device can be driven by an alternating-current voltage.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: February 3, 2015
    Assignee: Optromax Electronics Co., Ltd
    Inventor: Kuo-Tso Chen
  • SEMICONDUCTOR ELEMENT AND MANUFACTURING METHOD AND OPERATING METHOD OF THE SAME
    Publication number: 20140264545
    Abstract: A semiconductor element and a manufacturing method of the same are provided. The semiconductor element includes a substrate, a plurality of doping strips, a memory material layer, a plurality of conductive damascene structures, and a dielectric structure. The doping strips are formed in the substrate. The memory material layer is formed on the substrate, and the memory material layer comprises a memory area located on two sides of the doping strips. The conductive damascene structures are formed on the memory material layer. The dielectric structure is formed on the doping strips and between the conductive damascene structures. The conductive damascene structures are extended in a direction perpendicular to a direction which the doping strips are extended in.
    Type: Application
    Filed: May 10, 2013
    Publication date: September 18, 2014
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Ching-Hung Wang, Jyun-Siang Huang, Chien-Hung Liu, Chia-Wen Cheng, Ying-Tso Chen
  • Bit line structure, semiconductor device and method of forming the same
    Patent number: 8809933
    Abstract: A semiconductor device including a substrate, a plurality of stacked gate structures, a plurality of doped regions, a plurality of liner layers, a plurality of conductive layers, a plurality of dielectric layers and a plurality of word lines is provided. The substrate has a plurality of trenches therein. The stacked gate structures are on the substrate between the trenches. The doped regions are in the substrate at sidewalls or bottoms of the trenches. The liner layers are on at least a portion of sidewalls of the stacked gate structures and on sidewalls of the trenches. The conductive layers are in the trenches and electrically connected to the doped regions. The dielectric layers are on the conductive layers and between the stacked gate structures. The word lines are on the substrate and electrically connected to the stacked gate structures.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: August 19, 2014
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Guan-De Lee, Chien-Hung Liu, Shou-Wei Huang, Ying-Tso Chen
  • Cloud Video Exchanging Conference Device
    Publication number: 20140225981
    Abstract: The present invention discloses a cloud video exchanging conference device. The cloud video conference device includes at least one multi-point control unit, corresponding to at least one representative number, connecting to the Internet via at least one Internet Protocol address; a backend management module, for corresponding the at least one representative number to the at least one Internet Protocol address; and at least one video conference operating module, for obtaining a corresponding specific Internet Protocol address among the at least one Internet Protocol address via the backend management module according to a specific representative number among the at least one representative number, to connect to a corresponding specific multi-point control unit among the at least one multi-point control unit for video exchanging conference.
    Type: Application
    Filed: May 30, 2013
    Publication date: August 14, 2014
    Inventor: Yen-Tso Chen
  • METHOD OF MANUFACTURING METAL SILICIDE AND SEMICONDUCTOR STRUCTURE USING THE SAME
    Publication number: 20140154881
    Abstract: A method of manufacturing a metal silicide is disclosed below. A substrate having a first region and a second region is provided. A silicon layer is formed on the substrate. A planarization process is performed to make the silicon layer having a planar surface. A part of the silicon layer is removed to form a plurality of first gates on the first region and to form a plurality of second gates on the second region. The height of the first gates is greater than the height of the second gates, and top surfaces of the first gates and the second gates have the same height level. A dielectric layer covering the first gates and the second gates is formed and exposes the top surfaces of the first gates and the second gates. A metal silicide is formed on the top surfaces of the first gates and the second gates.
    Type: Application
    Filed: February 7, 2014
    Publication date: June 5, 2014
    Applicant: Macronix International Co., Ltd.
    Inventors: Yen-Hao Shih, Ying-Tso Chen, Shih-Chang Tsai, Chun-Fu Chen
  • Circuit substrate structure
    Patent number: 8692266
    Abstract: A circuit substrate structure including a substrate, a dielectric stack layer, a first plating layer and a second plating layer is provided. The substrate has a pad. The dielectric stack layer is disposed on the substrate and has an opening exposing the pad, wherein the dielectric stack layer includes a first dielectric layer, a second dielectric layer and a third dielectric layer located between the first dielectric layer and the second dielectric layer, and there is a gap between the portion of the first dielectric layer surrounding the opening and the portion of the second dielectric layer surrounding the opening. The first plating layer is disposed at the dielectric stack layer. The second plating layer is disposed at the pad, wherein the gap isolates the first plating layer from the second plating layer.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: April 8, 2014
    Assignee: Optromax Electronics Co., Ltd
    Inventor: Kuo-Tso Chen