Patents by Inventor CHENG PING

CHENG PING 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).

  • ELECTRONIC DEVICE HAVING FM ANTENNA AND METHOD FOR SWITCHING FM ANTENNA
    Publication number: 20170366211
    Abstract: An electronic device with a Frequency Modulation (FM) antenna includes an earphone jack, an FM chip, a switching unit, and a processing unit. The earphone jack includes a left channel pin, a right channel pin, and a ground pin. The FM chip receives an FM signal and outputs a Receive Signal Strength Indicator (RSSI) value of the FM signal to the processing unit. The processing unit receives the RSSI value, compares the RSSI value with a predetermined value, and controls the switching unit to select the left and right channel pins as a signal receiving point of the FM antenna or select the ground pin as the signal receiving point of the FM antenna according to a result of the comparison.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 21, 2017
    Inventor: CHENG-PING LIU
  • TOUCH PANEL STACKUP
    Publication number: 20170249034
    Abstract: A touch panel stackup comprises a substrate having a substantially transparent first region and a substantially opaque second region, a sensing electrode detecting a tactile signal, a conductive circuit electrically coupled with the sensing electrode, and a masking element configured on the second region of the substrate, wherein the sensing electrode, the conductive circuit, and the masking element are integrally formed on the substrate.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Inventors: Chen-Yu Liu, Cheng-Ping Liu
  • Trough-form fine blanking device
    Patent number: 9676020
    Abstract: A fine blanking device characterized by a trough structure is provided. Preferably, the fine blanking device comprises a punch, a mother die module having a first die cavity allowing the punch to enter therein, and a blank-holder module having a second die cavity allowing the punch to enter therein; wherein one or more trough structures are formed on/individually formed on the mother die module or/and the blank-holder module, wherein the trough structure is formed, surrounding the first die cavity, on the mother die module at a sheet stock contacting side thereof; or/and the trough structure is formed, surrounding the second die cavity, on the blank-holder module at a sheet stock contacting side thereof.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: June 13, 2017
    Inventor: Cheng-Ping Wang
  • Touch panel stackup
    Patent number: 9652089
    Abstract: A touch panel stackup comprises a substrate having a substantially transparent first region and a substantially opaque second region, a sensing electrode detecting a tactile signal, a conductive circuit electrically coupled with the sensing electrode, and a masking element configured on the second region of the substrate, wherein the sensing electrode, the conductive circuit, and the masking element are integrally formed on the substrate.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: May 16, 2017
    Assignee: TPK TOUCH SOLUTIONS INC.
    Inventors: Chen-Yu Liu, Cheng-Ping Liu
  • ELECTRONIC DEVICE AND METHOD FOR DETECTING AN ACCESSORY OF THE ELECTRONIC DEVICE
    Publication number: 20160205485
    Abstract: In an accessory detection method for an electronic device, a bias voltage is provided to power a chip of an accessory when the accessory is inserted into an audio jack of the electronic device. An initialization command with a preset format is sent to the chip. The electronic device waits for an accessory identifier (AID) of the accessory from the chip. When the electronic device receives the AID of the accessory from the chip, a set of acoustic parameters corresponding to the received AID of the accessory is generated. The method controls the electronic device to apply the generated set of acoustic parameters.
    Type: Application
    Filed: December 7, 2015
    Publication date: July 14, 2016
    Inventor: CHENG-PING LIU
  • Portable electronic device having plurality of speakers and microphones
    Patent number: 9258407
    Abstract: A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling unit. The first audio unit includes a first speaker and a first microphone. The second audio unit includes a second speaker and a second microphone. The first sensing unit senses an orientation of the portable electronic device. The second sensing unit senses whether a user is close to one of the first speaker and the second speaker. The controlling unit triggers one of the first audio unit and the second audio unit to output and input audio signals according to the orientation of the portable electronic device and turns off the display unit when the user is close to the one of the first speaker and the second speaker.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: February 9, 2016
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Cheng-Ping Liu
  • Mounting structure for component of electronic device
    Patent number: 9165607
    Abstract: A portable electronic device having an outer housing, a component, and a shock-absorption assembly is disclosed. A shock-absorption assembly located within the outer housing and coupled to the component can include one or more elements adapted to dampen a mechanical shock to the component. The shock-absorption assembly elements can be mounted to corners and/or edges of the component. Shock-absorption assembly elements can include a first portion comprising protrusions that provide initial damping of the mechanical shock and a second portion comprising an elastic block that provides final damping of the mechanical shock.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: October 20, 2015
    Assignee: Apple Inc.
    Inventors: Cheng Ping Tan, Con Phan, Steven Lee Owen, Michael D. Hillman
  • PREPREG AND USES OF THE SAME
    Publication number: 20150189746
    Abstract: A prepreg is provided. The prepreg is prepared by immersing a reinforcing material into a resin composition and drying the immersed reinforcing material, wherein the resin composition has a first dielectric constant and comprises a thermosetting resin component, a hardener and a filler. The reinforcing material has a second dielectric constant, and the ratio of the first dielectric constant to the second dielectric constant ranges from 0.8 to 1.05.
    Type: Application
    Filed: December 26, 2014
    Publication date: July 2, 2015
    Inventors: Chih-Wei Liao, Hsien-Te Chen, Te-Liang Yu, Cheng-Ping Liu
  • LED PACKAGE FRAME AND LED PACKAGE STRUCTURE
    Publication number: 20150137158
    Abstract: A light-emitting diode (LED) package frame is provided, including a leadframe and an insulating member. The leadframe includes a first electrode and a second electrode separated from each other. The insulating member is disposed between the first electrode and the second electrode for insulation between the first and second electrodes, including a first protrusion and a second protrusion. The coefficient of thermal expansion of the insulating member is greater than that of the leadframe. Specifically, the first electrode and the second electrode respectively include a first recess and a second recess which abut the insulating member. The first protrusion and the second protrusion are respectively engaged with the first recess and the second recess.
    Type: Application
    Filed: May 19, 2014
    Publication date: May 21, 2015
    Applicant: LEXTAR ELECTRONICS CORPORATION
    Inventors: Tsung-Han LI, Cheng-Ping CHANG
  • TROUGH-FORM FINE BLANKING DEVICE
    Publication number: 20150122101
    Abstract: A fine blanking device characterized by a trough structure is provided. Preferably, the fine blanking device comprises a punch, a mother die module having a first die cavity allowing the punch to enter therein, and a blank-holder module having a second die cavity allowing the punch to enter therein; wherein one or more trough structures are formed on/individually formed on the mother die module or/and the blank-holder module, wherein the trough structure is formed, surrounding the first die cavity, on the mother die module at a sheet stock contacting side thereof; or/and the trough structure is formed, surrounding the second die cavity, on the blank-holder module at a sheet stock contacting side thereof.
    Type: Application
    Filed: August 4, 2014
    Publication date: May 7, 2015
    Inventor: Cheng-Ping Wang
  • METHOD FOR REDUCING POWER CONSUMPTION OF LIQUID CRYSTAL DISPLAY SYSTEM
    Publication number: 20150084939
    Abstract: A method for reducing power consumption of a liquid crystal display system includes: a timing controller receiving an image signal of a frame; the timing controller generating a gate control signal and a source control signal according to the image signal; a gate driving circuit driving odd scan lines of a plurality of scan lines in turn and then driving even scan lines of the plurality of scan lines in turn according to the gate control signal; and a source driving circuit charging a plurality of sub pixels included in a liquid crystal panel through a plurality of data lines according to the source control signal, driving sequence of the plurality of scan lines, and data voltages corresponding to the image signal. Voltages of the plurality of data lines are switched one time at most, and a common voltage of the liquid crystal panel is a direct current voltage.
    Type: Application
    Filed: November 18, 2013
    Publication date: March 26, 2015
    Applicant: Chunghwa Picture Tubes, Ltd.
    Inventors: Cheng-Ping Chen, I-Ching Wei
  • PORTABLE ELECTRONIC DEVICE HAVING PLURALITY OF SPEAKERS AND MICROPHONES
    Publication number: 20150065113
    Abstract: A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling unit. The first audio unit includes a first speaker and a first microphone. The second audio unit includes a second speaker and a second microphone. The first sensing unit senses an orientation of the portable electronic device. The second sensing unit senses whether a user is close to one of the first speaker and the second speaker. The controlling unit triggers one of the first audio unit and the second audio unit to output and input audio signals according to the orientation of the portable electronic device and turns off the display unit when the user is close to the one of the first speaker and the second speaker.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventor: CHENG-PING LIU
  • LIGHT-EMITTING DIODE PACKAGE STRUCTURE AND LIGHT-EMITTING DIODE LIGHT BULB
    Publication number: 20150029723
    Abstract: The disclosure provides a light-emitting diode (LED) package structure, including: a lead frame; at least two light-emitting diode chips having different light-emitting wavelengths disposed on the lead frame; an encapsulant disposed over the lead frame and covering the light-emitting diode chips, wherein the encapsulant has a first concave portion; and an optical glue disposed in the first concave portion, wherein the optical glue has a plurality of scattering particles to uniformly mix the lights of different wavelengths emitted by the light-emitting diode chips.
    Type: Application
    Filed: April 11, 2014
    Publication date: January 29, 2015
    Applicant: LEXTAR ELECTRONICS CORPORATION
    Inventors: Shih-Ju Lo, Cheng-Ping Chang, Hui-Kai Hsu, I-Chun Lee, Wen-Kai Shao
  • ELECTRONIC DEVICE AND METHOD FOR REMOTELY OPERATING THE ELECTRONIC DEVICE
    Publication number: 20150022473
    Abstract: An electronic device is operated by touching on a virtual screen in front of the electronic device. The electronic device captures an image using a front camera of the electronic device when a finger of a user touches on the virtual screen. A touch event is generated to operate the electronic device according to the captured image and a reference image stored in the electronic device.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 22, 2015
    Inventor: CHENG-PING YE
  • CONTROL CIRCUIT FOR CONTROLLING AUDIO SIGNAL OUTPUT OF EARPHONE
    Publication number: 20140376736
    Abstract: A control circuit for audio signal outputting of an earphone includes a central processing unit (CPU), an audio codec, an amplifier, and a detecting circuit. The audio codec receives audio signals from the CPU, and decodes the audio signals. The amplifier receives the decoded audio signals from the audio codec, amplifies the decoded audio signals, and outputs the amplified audio signals to the earphone. The CPU controls the detecting circuit to detect an impedance of the earphone, and controls the amplifier to adjust a volume of the audio signal output from the earphone according to the detected impedance of the earphone.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 25, 2014
    Applicant: Chiun Mai Communication Systems, Inc.
    Inventor: CHENG-PING LIU
  • ELECTRONIC DEVICE AND METHOD FOR SWITCHING RECORDING MODES
    Publication number: 20140355772
    Abstract: A method for switching recording modes using an electronic device requires a three-axis acceleration senor and at two microphones. The three-axis accelerometer is activated to detect three-axis acceleration values of the electronic device. A handheld direction of the electronic device is determined according to the detected three-axis acceleration values. The method set a recording software of the electronic device to select one of the recording modes to execute a recording function according to the determined handheld direction. The method further selects the first microphone and/or the second microphone to receive external audio signals according to the selected recording mode.
    Type: Application
    Filed: May 22, 2014
    Publication date: December 4, 2014
    Applicant: CHIUN MAI COMMUNICATION SYSTEMS, INC.
    Inventor: CHENG-PING LIU
  • METHODS AND SYSTEMS FOR PLAYING VIDEO ON MULTIPLE TERMINALS
    Publication number: 20140298395
    Abstract: A method and system for synchronized video playing across multiple user terminals are disclosed. The method includes sending a continued video playing request to a server from a first user terminal to play a video from a break point, receiving video information from the server, the video information being submitted from a second user terminal, and playing the video from the break point based on the received video information. The method and system consistent with the present disclosure may improve a user's video watching experience by enabling a user to seamless switch between different user terminals.
    Type: Application
    Filed: January 26, 2014
    Publication date: October 2, 2014
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: HUIJIAO YANG, BO HU, ZHIPEI WANG, RUIYI ZHOU, XI WANG, KAI ZHANG, XIN QING, YING HUANG, YULEI LIU, WEI LI, CHENG PING
  • METHOD AND APPARATUS FOR TEXT INPUT PROTECTION
    Publication number: 20140298158
    Abstract: Methods and apparatus for text input protection are provided. Text content inputted in an input field can be saved, after the text content inputted by a user in the input field of a browser on a mobile terminal is detected. When the browser is abnormally terminated while the user inputting the text content, the browser can be restarted and the saved text content can be imported into the input field. An exemplary apparatus can include a storage unit, an importing unit, and/or a cleanup unit.
    Type: Application
    Filed: March 9, 2014
    Publication date: October 2, 2014
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: YULEI LIU, BO HU, ZHIPEI WANG, RUIYI ZHOU, XI WANG, KAI ZHANG, XIN QING, HUIJIAO YANG, YING HUANG, WEI LI, CHENG PING, SHA MO
  • Light-emitting diode package
    Patent number: D728492
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: May 5, 2015
    Assignee: Lextar Electronics Corporation
    Inventors: Liang-Ta Lin, Che-Ming Hsu, Cheng-Ping Chang, Zong-Han Li
  • Light-emitting diode lead-frame
    Patent number: D728493
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: May 5, 2015
    Assignee: Lextar Electronics Corporation
    Inventors: Liang-Ta Lin, Che-Ming Hsu, Cheng-Ping Chang, Zong-Han Li