Patents by Inventor Cheng-Han Lee

Cheng-Han Lee 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).

  • Method, Touch Sensitive Processor and Electronic System for Reducing Interference to Liquid Crystal Touch Screen from Touch Driving Signal
    Publication number: 20170242542
    Abstract: The present invention provides a method for reducing interference to liquid crystal touch screen from touch driving signal, wherein the liquid crystal touch screen comprises a display composed of multiple pixel horizontal axes, multiple parallel first electrodes and multiple parallel second electrodes, multiple intersections are formed by the first electrodes and the second electrodes, the method comprising: concurrently providing sine wave driving signal to at least one of the first electrodes; and sensing the sine wave driving signal via the multiple second electrodes, wherein the multiple pixel horizontal axes are refreshed sequentially during the time interval of providing sine wave driving signal.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Inventors: CHIN-FU CHANG, SHANG-TAI YEH, CHENG-HAN LEE
  • Method and device for position detection
    Patent number: 9689906
    Abstract: The method and device for position detection are disclosed. Corresponding to a first touch related sensing information, a second touch related sensing information is acquired for determining at least one position. Each position is used separately for determining the position of a centroid according to the first touch related sensing information or the second touch related sensing information.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: June 27, 2017
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • CONTROLLER FOR POSITION DETECTION
    Publication number: 20170153765
    Abstract: A controller for position detection is disclosed. At least one first 1-D position corresponding to at least one external object is determined based on signals of a plurality of first sensors by self-capacitance detection. Each first 1-D position is determined based on a differential sensing information whose each value is based on signals of two first sensors by self-capacitance detection. Then, at least one second 1-D position corresponding to the at least one first 1-D position is determined based on signals of a plurality of second sensors by mutual-capacitance detection.
    Type: Application
    Filed: February 10, 2017
    Publication date: June 1, 2017
    Inventors: CHIN-FU CHANG, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Controller for position detection
    Patent number: 9606692
    Abstract: A controller for position detection is disclosed. At least one first 1-D position corresponding to at least one external object is determined based on signals of a plurality of first sensors by self-capacitance detection. Then, at least one second 1-D position corresponding to the at least one first 1-D position is determined based on signals of a plurality of second sensors by mutual-capacitance detection.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: March 28, 2017
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Method and device for dual-differential sensing
    Patent number: 9483152
    Abstract: A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: November 1, 2016
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Methods and compositions for diagnosing and treating cancer
    Patent number: 9476882
    Abstract: The invention provides assays, methods, systems, compositions, and kits for diagnosing and treating cancer.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: October 25, 2016
    Assignee: The Brigham and Women's Hospital, Inc.
    Inventors: Jonathan A. Fletcher, Cheng-Han Lee
  • Button-press detection and filtering
    Patent number: 9456272
    Abstract: The disclosure provides a button-press detection and filtering method, related circuit, and button-press detection chip for a external device. A button-press signal from a wire control apparatus is coupled to the button-press detection chip for the external device. The button-press detection chip for the external device can digitally sample the button-press signal through the filter circuit and outputs a digital logic signal corresponding to a button to an audio codec according to the sampling result. The audio codec can determine a pressed button according to the digital logic signal and performs a corresponding function. With the solutions of the disclosure, a noise interference signal in a button-press signal may be avoided and a pressed button may be accurately detected, without using a dedicated chip or complex software codes in a wire control apparatus and an electronic device.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: September 27, 2016
    Assignee: Fairchild Semiconductor Corporation
    Inventors: Tony Cheng Han Lee, Shawn Kirk Barden, Ricky Li, Emma Wang
  • CONTROLLER FOR POSITION DETECTION
    Publication number: 20160170534
    Abstract: A controller for position detection is disclosed. At least one first 1-D position corresponding to at least one external object is determined based on signals of a plurality of first sensors by self-capacitance detection. Then, at least one second 1-D position corresponding to the at least one first 1-D position is determined based on signals of a plurality of second sensors by mutual-capacitance detection.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 16, 2016
    Inventors: CHIN-FU CHANG, CHENG-HAN LEE, CHI-HAO TANG, SHUN-LUNG HO
  • WIRELESS COMMUNICATION DEVICE
    Publication number: 20160164166
    Abstract: A wireless communication device includes a metal housing and a printed circuit board. The metal housing serves as an antenna and includes a slit separating the metal housing into a radiating body and a grounding body. The slit completely separates the radiating body from the grounding body. The printed circuit board includes a system grounding point and a radio frequency circuit. The system grounding point is electronically coupled to the grounding body. The radiating body has a first grounding point, a second grounding point and a feeding point located between the first and second points. The feeding point is electronically coupled to the radio frequency circuit. The first and second grounding points are electronically coupled to the system grounding point.
    Type: Application
    Filed: January 7, 2015
    Publication date: June 9, 2016
    Inventors: CHENG-HAN LEE, WEI-XUAN YE
  • Reversible ratchet wrench
    Publication number: 20160129564
    Abstract: A reversible ratchet wrench includes a head including a through opening, a cavity on an inner surface of the through opening, and an open well on an inner surface of the cavity; a drive gear including external drive teeth and rotatably supported in the through opening; first and second reversing pawls each including pawl teeth and a detent notch wherein the detent notches communicates with each other, the pawl teeth of the second reversing pawl engage the drive teeth, and the first and second reversing pawls are in the cavity; a reversing lever including an exposed thumb tab, a recess on an inner surface, and a slit communicating with the recess; and a biasing member including first and second ends urging against the detent notches. The biasing member is anchored in the slit and urges against the well.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Inventors: Ching Chen, Cheng-Han Lee
  • CAPACITIVE CONTROLLER AND SENSOR
    Publication number: 20160085340
    Abstract: The present invention provides a capacitive controller for detecting at least one detecting plate and at least one reference plate surrounding each detecting plate. All of the reference plates are electrically coupled to the same first wire, and each reference plate is electrically coupled to a second wire. When an electrical signal is provided to the first wire and each second wire, one or more detecting plates touched or approached can be detected simultaneously based on the signal difference between each second wire and the first wire.
    Type: Application
    Filed: December 1, 2015
    Publication date: March 24, 2016
    Inventor: CHENG-HAN LEE
  • CAPACITIVE CONTROLLER
    Publication number: 20160085368
    Abstract: The present invention provides a capacitive controller for detecting at least one detecting plate and at least one reference plate surrounding each detecting plate. All of the reference plates are electrically coupled to the same first wire, and each reference plate is electrically coupled to a second wire. When an electrical signal is provided to the first wire and each second wire, one or more detecting plates touched or approached can be detected simultaneously based on the signal difference between each second wire and the first wire.
    Type: Application
    Filed: December 1, 2015
    Publication date: March 24, 2016
    Inventor: CHENG-HAN LEE
  • Method and device for position detection
    Patent number: 9285940
    Abstract: A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: March 15, 2016
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Device and method for parallel-scanning differential touch detection
    Patent number: 9268448
    Abstract: A method for parallel-scanning differential touch detection is disclosed herein. The method includes generating a plurality of first outputs by a differential unit according to a plurality of first inputs provided by a plurality of sensors of a touch panel in each scan of total i scans, herein, the kth first output in the jth scan of the total i scans is the (i*(k?1)+j)th output in the continuous first outputs, i?2, j?1, k?1, and i, j, k are natural numbers. Wherein, the differential unit has a plurality of subtractors and the inputs of the subtractors are connected in series. By doing so, the noises between a touch panel and a display can be eliminated.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: February 23, 2016
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Capacitive sensor and detection method using the same
    Patent number: 9229551
    Abstract: The present invention provides a capacitive sensor and detection method using the same. The capacitive sensor of the present invention includes at least one detecting plate and at least one reference plate surrounding each detecting plate. All of the reference plates are electrically coupled to the same first wire, and each reference plate is electrically coupled to a second wire. When an electrical signal is provided to the first wire and each second wire, one or more detecting plates touched or approached can be detected simultaneously based on the signal difference between each second wire and the first wire.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: January 5, 2016
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventor: Cheng-Han Lee
  • METHOD AND DEVICE FOR DUAL-DIFFERENTIAL SENSING
    Publication number: 20150355741
    Abstract: A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively.
    Type: Application
    Filed: August 14, 2015
    Publication date: December 10, 2015
    Inventors: CHIN-FU CHANG, CHENG-HAN LEE, CHI-HAO TANG, SHUN-LUNG HO
  • RFID tag structure having anti-reuse function and manufacture method thereof
    Patent number: 9152910
    Abstract: The present invention provides a RFID tag structure having anti-reuse function, comprising a substrate; a pattern formed on a surface of the substrate; and an adhesive layer provided on a surface of the pattern which is not in contact with the substrate, wherein the adhesive forces of the adhesive layer are stronger than the binding strengths generated between the pattern and the substrate, and the adhesive layer is capable of being adhered on an article to be adhered and a RFID tag is formed thereby; when the RFID tag is separated from the article to be adhered, the substrate is released from the article to be adhered, the pattern and the adhesive layer are still remained on the article to be adhered, thereby preventing the RFID tag from being reused and fulfilling the objective of anti-reuse and anti-counterfeit. The present invention also provides a manufacture method thereof.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: October 6, 2015
    Assignee: FAVITE INC.
    Inventors: Chia-Ming Kuo, Cheng-Han Lee
  • METHOD AND PROCESSOR FOR ANALYZING TWO-DIMENSION INFORMATION
    Publication number: 20150277665
    Abstract: The method and processor for analyzing two-dimension information are disclosed. A 2-D information generated from a touch panel/screen is obtained, wherein the 2-D information comprises a plurality of values distributed over a plurality of reduced 2-D coordinates. Then, an approaching/touching range on the touch panel/screen approached or touched by an approaching/touching object is detected, wherein a minimum of the plurality of values distributed over a boundary of the approaching/touching range is greater than a maximum of the plurality of values inside the approaching/touching range except the boundary.
    Type: Application
    Filed: June 12, 2015
    Publication date: October 1, 2015
    Inventors: CHIN-FU CHANG, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Method and device for dual-differential sensing
    Patent number: 9141216
    Abstract: A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: September 22, 2015
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Method and device for analyzing two-dimension sensing information
    Patent number: 9081441
    Abstract: A two-dimension (2D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner low values within outer high values and with inner higher values within outer low values.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: July 14, 2015
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho