Patents by Inventor Zhan Wang

Zhan Wang 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).

  • Publication number: 20140292395
    Abstract: An electronic component includes a switching device comprising a source, a gate, and a drain, the switching device having a predetermined device switching rate. The electronic component further includes a gate driver electrically connected to the gate and coupled between the source and the gate of the switching device, the gate driver configured to switch a gate voltage of the switching device at a gate driver switching rate. The gate driver is configured such that in operation, an output current of the gate driver cannot exceed a first current level, wherein the first current level is sufficiently small to provide a switching rate of the switching device in operation to be less than the predetermined device switching rate.
    Type: Application
    Filed: March 24, 2014
    Publication date: October 2, 2014
    Applicant: Transphorm Inc.
    Inventors: Yifeng Wu, Liang Zhou, Zhan Wang
  • Patent number: 8830311
    Abstract: The disclosure provides an electronic device and a detecting position method adapted for the electronic device. The device stores an infrared sensing mode and a capture mode. The method includes steps of: entering the infrared sensing mode in response to an input signal and capturing infrared signals from an external environment, amplifying the infrared signals and converting the infrared signals into digital signals, evaluating whether part of the infrared signals falls into a predetermined waveband, if yes, focusing on an infrared thermal source whose infrared signals fall into the predetermined waveband, switching from the infrared sensing mode to the capture mode, taking a photo of the infrared thermal source, and processing the photo to identify a position of the infrared thermal source in the photo and displaying the position of the infrared thermal source in the photo.
    Type: Grant
    Filed: May 30, 2011
    Date of Patent: September 9, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yin-Zhan Wang, Qiang You, Ren-Wen Huang, Ji-Xiang Yin, Tsung-Jen Chuang, Shih-Fang Wong
  • Patent number: 8832592
    Abstract: In a computerized method for loading applications of a portable device, a usage frequency of each of the applications is counted during a time period when the portable device is in a power-on state. The applications that are installed in an external or embedded storage of the portable device are searched and the usage frequency of each of the applications is obtained, when the portable device is booted or rebooted. The applications are arranged in a sequence according to the usage frequency of each of the applications, and each of the applications is loaded from the external or embedded storage to a random access memory of the portable device in sequence according to an arrangement order of each application in the sequence.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: September 9, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Yin-Zhan Wang
  • Publication number: 20140242647
    Abstract: The present invention provides methods for catalyzing the conversion of an olefin to any compound containing one or more cyclopropane functional groups using heme enzymes. In certain aspects, the present invention provides a method for producing a cyclopropanation product comprising providing an olefinic substrate, a diazo reagent, and a heme enzyme; and admixing the components in a reaction for a time sufficient to produce a cyclopropanation product. In other aspects, the present invention provides heme enzymes including variants and fragments thereof that are capable of carrying out in vivo and in vitro olefin cyclopropanation reactions. Expression vectors and host cells expressing the heme enzymes are also provided by the present invention.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 28, 2014
    Applicant: California Institute of Technology
    Inventors: Pedro S. Coelho, Eric M. Brustad, Frances H. Arnold, Zhan Wang, Jared C. Lewis
  • Patent number: 8797696
    Abstract: A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: August 5, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Ren-Wen Huang, Yin-Zhan Wang, Jun-Wei Zhang, Chia-Hung Chien, Tsung-Jen Chuang, Shih-Fang Wong
  • Patent number: 8792220
    Abstract: A protection circuit includes a first input, an over-voltage protector, an over-current protector, and a first output connected in series in that order. The first input is configured for receiving a power source. The first output is configured for outputting a voltage of the power source to a load circuit. The over-voltage protector is configured to cut off an electrical connection between the first input and the first output under the condition that a voltage value of the power source is greater than a predetermined voltage value. The over-current protector is configured to cut off an electrical connection between the first input and the first output under the condition that a current value from the first output is greater than a predetermined current value.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: July 29, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Yin-Zhan Wang
  • Patent number: 8780514
    Abstract: A data cable between two electronic devices includes a first interface comprising a first metal shell and a ground end; and a second interface connected to another electronic device comprising a second metal shell, a ground end and an identification end. The data cable includes a detection circuit detecting voltage difference between the first metal shell and the ground end, and the detection circuit comprises an output end connected to the identification end of the second interface. An electronic device using the data cable detects any current leakage in an external electronic device. When the host has current leakage, the electronic device cuts power from the host and prevents data exchange, preventing damage or loss.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: July 15, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Yin-Zhan Wang
  • Publication number: 20140088094
    Abstract: The invention provides tetrahydroquinoline and related compounds, pharmaceutical compositions, methods of inhibiting ROR? activity, reducing the amount of IL-17 in a subject, and treating immune disorders and inflammatory disorders using such tetrahydroquinoline and related compounds are provided.
    Type: Application
    Filed: November 8, 2011
    Publication date: March 27, 2014
    Applicants: Merck Sharp & Dohme Corp., Lycera Corporation
    Inventors: Gary D. Glick, Peter L. Toogood, Arthur Glenn Romero, Chad A. Van Huis, Thomas Daniel Aicher, Carl Kaub, Matthew N. Mattson, William David Thomas, Karin Ann Sttein, Erik Krogh-Jespersen, Zhan Wang
  • Patent number: 8682393
    Abstract: A communication device includes a communication unit, a speech recognition module, and a processor. The communication unit builds a communication between the communication unit and an external communication device. The processor records speech between the communication device and the external communication device. The speech recognition module compares each word of the recorded speech with voice samples to determine whether numbers have been spoken. The processor further determines if successive numbers are recorded in a predetermined period, and stores the successive numeric in a storage unit.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: March 25, 2014
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Qiang You, Ren-Wen Huang, Yin-Zhan Wang, Yang Xin, Jun-Wei Zhang, Tsung-Jen Chuang
  • Publication number: 20130342229
    Abstract: A liquid crystal display includes a liquid crystal display panel and a test circuit. The liquid crystal panel includes a number of scanning lines and a number of data lines cooperatively forming a pixel cell. The test circuit includes a control unit, a gate driving circuit, a data driving circuit and a detecting circuit. The gate driving circuit and the data driving circuit respectively provide a scan pulse and a test pulse to the pixel cells. The test pulse includes a first voltage. After a predefined period for providing the scan pulse and the test pulse to the pixel cells, the detecting circuit detects a voltage of the data lines, and determines the pixel cell is damaged if the voltage of the data lines is equal to the first voltage. A test circuit and a test method for detecting damaged pixel cells are also provided.
    Type: Application
    Filed: May 29, 2013
    Publication date: December 26, 2013
    Inventor: YIN-ZHAN WANG
  • Publication number: 20130305355
    Abstract: A data secrecy system of an electronic device detects whether a screen unlocking interface of the electronic device is activated. The data secrecy system controls the recorder to record a phrase said by a user after the user is invited to speak. And then the data secrecy system extracts characteristics of the recorded phrase. The data secrecy system determines a privilege level for the user to access all or a part of functions of the electronic device according to the characteristics of the phrase, and controls the electronic device to work according to the determined privilege level of the user.
    Type: Application
    Filed: April 29, 2013
    Publication date: November 14, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: YIN-ZHAN WANG, JUN-WEI ZHANG, JUN ZHANG, TSUNG-JEN CHUANG
  • Publication number: 20130278524
    Abstract: An electronic device comprises a touch screen, a distance determining module, a touch determining module, and a warning control module. The distance determining module determines whether a distance between the touch screen and an object in front of the touch screen is less than or equal to a distance limit. The touch determining module determines whether a touch action is applied to the touch screen within a first predetermined time when the distance between the touch screen and the object is less than or equal to the distance limit. The warning control module controls the electronic device to send a warning to a user when no touch action is applied to the touch screen within the first predetermined time.
    Type: Application
    Filed: April 22, 2013
    Publication date: October 24, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventor: YIN-ZHAN WANG
  • Publication number: 20130275915
    Abstract: In a computerized method for loading applications of a portable device, a usage frequency of each of the applications is counted during a time period when the portable device is in a power-on state. The applications that are installed in an external or embedded storage of the portable device are searched and the usage frequency of each of the applications is obtained, when the portable device is booted or rebooted. The applications are arranged in a sequence according to the usage frequency of each of the applications, and each of the applications is loaded from the external or embedded storage to a random access memory of the portable device in sequence according to an arrangement order of each application in the sequence.
    Type: Application
    Filed: October 16, 2012
    Publication date: October 17, 2013
    Inventor: YIN-ZHAN WANG
  • Publication number: 20130272544
    Abstract: An audio control method of an audio player, the audio player includes an audio playing unit having a first channel and a second channel, and an audio control system executed by a processor of the audio player. The audio control system includes an audio playing module, a detection module and a channel adjustment module. The audio playing module plays an audio file and outputs audio signals of the audio file through the audio playing unit, the audio signals have a first channel signals and a second channel signals. The detection module detects whether the first channel signals and the second channel signals are normally played. The channel adjustment module combines one of the first and second channel signals to another of the first and second channel signals, to form combination signals, and plays the combination signals through the first or the second channel.
    Type: Application
    Filed: April 10, 2013
    Publication date: October 17, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventor: YIN-ZHAN WANG
  • Patent number: 8546579
    Abstract: Bicycloheteroaryl compounds are disclosed that have a formula represented by the following: The compounds may be prepared as pharmaceutical compositions, and may be used for the prevention and treatment of a variety of conditions in mammals including humans, including by way of non-limiting example, pain, inflammation, traumatic injury, and others.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: October 1, 2013
    Assignee: Evotec (US) Inc.
    Inventors: Michael G. Kelly, John Kincaid, Yeyu Cao, Carl Kaub, Sumithra Gowlugari, Zhan Wang, Jianhua He
  • Publication number: 20130208927
    Abstract: A media player includes a sound output driver, and a display unit. The sound output driver plays a channel test file for the output of only left and only right audio driving signals. The display unit displays icons indicating the audio channel being driven. A user observes the positions of channel playing icons and hears sounds from one earphone or the other, and determines whether the positions of the left and right earphones as worn are correct or reversed. The sound output driver can exchange or swap the left and right audio driving signals when the earphones are worn in a reversed fashion.
    Type: Application
    Filed: June 21, 2012
    Publication date: August 15, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventor: YIN-ZHAN WANG
  • Publication number: 20130210492
    Abstract: A communication device includes a communication unit, a speech recognition module, and a processor. The communication unit builds a communication between the communication unit and an external communication device. The processor records speech between the communication device and the external communication device. The speech recognition module compares each word of the recorded speech with voice samples to determine whether numbers have been spoken. The processor further determines if successive numbers are recorded in a predetermined period, and stores the successive numeric in a storage unit.
    Type: Application
    Filed: June 15, 2012
    Publication date: August 15, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: QIANG YOU, REN-WEN HUANG, YIN-ZHAN WANG, YANG XIN, JUN-WEI ZHANG, TSUNG-JEN CHUANG
  • Patent number: 8472157
    Abstract: An overvoltage and overcurrent protection circuit includes a connection jack, an overvoltage protection switch connected to the connection jack, an overcurrent protection switch, a voltage reference module, an overvoltage and overcurrent detection module, a comparing module, and a current control module. The overcurrent protection switch is connected to the overvoltage protection switch in serials, and further connected to a load. The voltage reference module is to output a reference voltage. The overvoltage and overcurrent detection module is to detect the voltage of the load and the current of the path. The comparing module is to compare the voltage of the load with the reference voltage, when greater, turns off the overvoltage protection switch, when not greater, turns on the overvoltage protection switch. The current control module is to turn off the overcurrent protection switch if greater than the preset value, and turn on the overcurrent protection switch if not greater.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: June 25, 2013
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Ji-Xiang Yin, Yang Xin, Yin-Zhan Wang, Jun Zhang, Tsung-Jen Chuang, Shih-Fang Wong
  • Publication number: 20130159789
    Abstract: An exemplary computer error detection device for detecting the warning sounds emitted by a malfunctioning computer is provided. The computer error detection device includes a storage unit, a display unit, a detection unit, and a processing unit. The storage unit includes a look-up table (LUT). The LUT includes a plurality of solution plans each corresponding to a predetermined warning sound. The display unit displays a selecting interface thereon for a user to input a basic input output system (BIOS) type or a computer model of the computer. The detection unit records a warning sound emitted from the malfunctioning computer and generates an electronic sample of the warning sound. The processing unit searches the LUT to determine a solution plan corresponding to the sample, and controls the display unit to display the determined solution plan.
    Type: Application
    Filed: May 24, 2012
    Publication date: June 20, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventor: YIN-ZHAN WANG
  • Publication number: 20130155563
    Abstract: A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.
    Type: Application
    Filed: July 5, 2012
    Publication date: June 20, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    Inventors: REN-WEN HUANG, YIN-ZHAN WANG, JUN-WEI ZHANG, CHIA-HUNG CHIEN, TSUNG-JEN CHUANG, SHIH-FANG WONG