Patents by Inventor Fong Wang
Fong 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).
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Patent number: 12225161Abstract: An example electronic device includes a network communication interface to connect to a conference server, a central control device communication interface to connect to a local central control device, a microphone and a processor. The processor is to receive audio at the microphone and send the audio to the local central control device and to the conference server. The processor is to send the audio to the local central control device such that it is received by a nearby electronic device before the audio is received from the conference server by the nearby electronic device.Type: GrantFiled: June 15, 2023Date of Patent: February 11, 2025Assignee: Hewlett-Packard Development Company, L.P.Inventors: He-Di Liu, Ting Fong Wang, Hsin-Chih Lin, Xin-Chang Chen, Yao Cheng Yang
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Publication number: 20240422265Abstract: An example electronic device includes a network communication interface to connect to a conference server, a central control device communication interface to connect to a local central control device, a microphone and a processor. The processor is to receive audio at the microphone and send the audio to the local central control device and to the conference server. The processor is to send the audio to the local central control device such that it is received by a nearby electronic device before the audio is received from the conference server by the nearby electronic device.Type: ApplicationFiled: June 15, 2023Publication date: December 19, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: He-Di Liu, Ting Fong Wang, Hsin-Chih Lin, Xin-Chang Chen, Yao Cheng Yang
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Patent number: 12028036Abstract: The present invention discloses an amplifier. The bias amplifier includes a signal input end, for inputting an input signal; a voltage input end, for inputting a source voltage; an amplifying circuit, for generating an amplified input signal according to the input signal, and the amplified input signal comprises a fundamental signal, a first harmonic signal and a second harmonic signal, wherein the first harmonic signal is a second order harmonic of the fundamental signal, and the second harmonic signal is a third order harmonic of the fundamental signal; a harmonic filter, coupled between the voltage input end and the amplifying circuit, for filtering the first harmonic signal and the second harmonic signal; and a signal output end, coupled to the harmonic filter, for outputting an output signal according to the amplified input signal.Type: GrantFiled: August 6, 2021Date of Patent: July 2, 2024Assignee: RichWave Technology Corp.Inventor: Yi-Fong Wang
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Publication number: 20240183707Abstract: Methods, systems, and apparatus, for a stray-light testing station. In one aspect, the stray-light testing station includes an illumination assembly including a spatially extended light source and one or more optical elements arranged to direct a beam of light from the spatially extended light source along an optical path to an optical receiver assembly including a lens receptacle configured to receive a lens module and position the lens module in the optical path downstream from the parabolic mirror so that the lens module focuses the beam of light from the spatially extended light source to an image plane, and a moveable frame supporting the optical receiver assembly including one or more adjustable alignment stages to position the optical receiver assembly relative to the illumination assembly such that the optical path of the illumination assembly is within a field of view of the optical receiver assembly.Type: ApplicationFiled: February 12, 2024Publication date: June 6, 2024Inventors: Chen David Lu, Matthew Thomas Daniel Rinehart, Joshua Chia Fong Wang, Michael Shagam
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Patent number: 11933666Abstract: Methods, systems, and apparatus, for a stray-light testing station. In one aspect, the stray-light testing station includes an illumination assembly including a spatially extended light source and one or more optical elements arranged to direct a beam of light from the spatially extended light source along an optical path to an optical receiver assembly including a lens receptacle configured to receive a lens module and position the lens module in the optical path downstream from the parabolic mirror so that the lens module focuses the beam of light from the spatially extended light source to an image plane, and a moveable frame supporting the optical receiver assembly including one or more adjustable alignment stages to position the optical receiver assembly relative to the illumination assembly such that the optical path of the illumination assembly is within a field of view of the optical receiver assembly.Type: GrantFiled: March 9, 2023Date of Patent: March 19, 2024Assignee: Waymo LLCInventors: Chen David Lu, Matthew Thomas Daniel Rinehart, Joshua Chia Fong Wang, Michael Shagam
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Publication number: 20230213379Abstract: Methods, systems, and apparatus, for a stray-light testing station. In one aspect, the stray-light testing station includes an illumination assembly including a spatially extended light source and one or more optical elements arranged to direct a beam of light from the spatially extended light source along an optical path to an optical receiver assembly including a lens receptacle configured to receive a lens module and position the lens module in the optical path downstream from the parabolic mirror so that the lens module focuses the beam of light from the spatially extended light source to an image plane, and a moveable frame supporting the optical receiver assembly including one or more adjustable alignment stages to position the optical receiver assembly relative to the illumination assembly such that the optical path of the illumination assembly is within a field of view of the optical receiver assembly.Type: ApplicationFiled: March 9, 2023Publication date: July 6, 2023Inventors: Chen David Lu, Matthew Thomas Daniel Rinehart, Joshua Chia Fong Wang, Michael Shagam
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Patent number: 11635326Abstract: Methods, systems, and apparatus, for a stray-light testing station. In one aspect, the stray-light testing station includes an illumination assembly including a spatially extended light source and one or more optical elements arranged to direct a beam of light from the spatially extended light source along an optical path to an optical receiver assembly including a lens receptacle configured to receive a lens module and position the lens module in the optical path downstream from the parabolic mirror so that the lens module focuses the beam of light from the spatially extended light source to an image plane, and a moveable frame supporting the optical receiver assembly including one or more adjustable alignment stages to position the optical receiver assembly relative to the illumination assembly such that the optical path of the illumination assembly is within a field of view of the optical receiver assembly.Type: GrantFiled: April 2, 2019Date of Patent: April 25, 2023Assignee: Waymo LLCInventors: Chen David Lu, Matthew Thomas Daniel Rinehart, Joshua Chia Fong Wang, Michael Shagam
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Publication number: 20220360243Abstract: The present invention discloses an amplifier. The bias amplifier includes a signal input end, for inputting an input signal; a voltage input end, for inputting a source voltage; an amplifying circuit, for generating an amplified input signal according to the input signal, and the amplified input signal comprises a fundamental signal, a first harmonic signal and a second harmonic signal, wherein the first harmonic signal is a second order harmonic of the fundamental signal, and the second harmonic signal is a third order harmonic of the fundamental signal; a harmonic filter, coupled between the voltage input end and the amplifying circuit, for filtering the first harmonic signal and the second harmonic signal; and a signal output end, coupled to the harmonic filter, for outputting an output signal according to the amplified input signal.Type: ApplicationFiled: August 6, 2021Publication date: November 10, 2022Applicant: RichWave Technology Corp.Inventor: Yi-Fong Wang
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Patent number: 11249523Abstract: An air baffle insertable between a chassis wall and a computer component such as a GPU and heat sink mounted on a GPU tray to divert air flow to the computer component is disclosed. The air baffle includes a single sheet having a bottom panel, a top panel, and a pair of parallel side walls. Each of the parallel side walls are connected to the bottom and top panels. A first end wall is joined to the side walls and the top and bottom panel. The first end wall directs air flow toward the computer component.Type: GrantFiled: August 7, 2020Date of Patent: February 15, 2022Assignee: QUANTA COMPUTER INC.Inventors: Chun Chang, Hsin-Chieh Lin, Chih-Hao Chang, Tzu-Fong Wang
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Publication number: 20210349508Abstract: An air baffle insertable between a chassis wall and a computer component such as a GPU and heat sink mounted on a GPU tray to divert air flow to the computer component is disclosed. The air baffle includes a single sheet having a bottom panel, a top panel, and a pair of parallel side walls. Each of the parallel side walls are connected to the bottom and top panels. A first end wall is joined to the side walls and the top and bottom panel. The first end wall directs air flow toward the computer component.Type: ApplicationFiled: August 7, 2020Publication date: November 11, 2021Inventors: Chun CHANG, Hsin-Chieh LIN, Chih-Hao CHANG, Tzu-Fong WANG
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Patent number: 11050392Abstract: A bias device includes a transistor, a bias circuit, and an impedance unit. The transistor has a first terminal, a second terminal for providing a first bias voltage to an input terminal of an amplifier, and a control terminal. The bias circuit has a first terminal, a second terminal coupled to a first system voltage terminal for receiving a first system voltage, and a third terminal coupled to the control terminal of the first transistor for providing a second bias voltage to the control terminal of the first transistor. The impedance unit has a first terminal for receiving a first reference voltage, a second terminal coupled to the first terminal of the bias circuit. The first impedance unit adjusts the input impedance looking into the second terminal of the first transistor according to a frequency of a radio frequency signal received from the input terminal of the amplifier.Type: GrantFiled: November 21, 2019Date of Patent: June 29, 2021Assignee: RichWave Technology Corp.Inventor: Yi-Fong Wang
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Patent number: 10958222Abstract: A bias circuit includes a current sensor, a transistor, and a low pass filter circuit. The current sensor has a first terminal coupled to a voltage terminal, and a second terminal. The transistor has a first terminal coupled to the second terminal of the current sensor, a second terminal coupled to a radio frequency signal path for providing a bias signal, and a control terminal for receiving a reference voltage. The low pass filter circuit is coupled between the second terminal of the current sensor and the control terminal of the transistor.Type: GrantFiled: June 13, 2019Date of Patent: March 23, 2021Assignee: RichWave Technology Corp.Inventor: Yi-Fong Wang
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Publication number: 20200395898Abstract: A bias device includes a transistor, a bias circuit, and an impedance unit. The transistor has a first terminal, a second terminal for providing a first bias voltage to an input terminal of an amplifier, and a control terminal. The bias circuit has a first terminal, a second terminal coupled to a first system voltage terminal for receiving a first system voltage, and a third terminal coupled to the control terminal of the first transistor for providing a second bias voltage to the control terminal of the first transistor. The impedance unit has a first terminal for receiving a first reference voltage, a second terminal coupled to the first terminal of the bias circuit. The first impedance unit adjusts the input impedance looking into the second terminal of the first transistor according to a frequency of a radio frequency signal received from the input terminal of the amplifier.Type: ApplicationFiled: November 21, 2019Publication date: December 17, 2020Inventor: Yi-Fong Wang
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Publication number: 20200319022Abstract: Methods, systems, and apparatus, for a stray-light testing station. In one aspect, the stray-light testing station includes an illumination assembly including a spatially extended light source and one or more optical elements arranged to direct a beam of light from the spatially extended light source along an optical path to an optical receiver assembly including a lens receptacle configured to receive a lens module and position the lens module in the optical path downstream from the parabolic mirror so that the lens module focuses the beam of light from the spatially extended light source to an image plane, and a moveable frame supporting the optical receiver assembly including one or more adjustable alignment stages to position the optical receiver assembly relative to the illumination assembly such that the optical path of the illumination assembly is within a field of view of the optical receiver assembly.Type: ApplicationFiled: April 2, 2019Publication date: October 8, 2020Inventors: Chen David Lu, Matthew Thomas Daniel Rinehart, Joshua Chia Fong Wang, Michael Shagam
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Publication number: 20190386620Abstract: A bias circuit includes a current sensor, a transistor, and a low pass filter circuit. The current sensor has a first terminal coupled to a voltage terminal, and a second terminal. The transistor has a first terminal coupled to the second terminal of the current sensor, a second terminal coupled to a radio frequency signal path for providing a bias signal, and a control terminal for receiving a reference voltage. The low pass filter circuit is coupled between the second terminal of the current sensor and the control terminal of the transistor.Type: ApplicationFiled: June 13, 2019Publication date: December 19, 2019Inventor: Yi-Fong Wang
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Patent number: 10348254Abstract: A protection circuit for use in an RF active circuit includes a signal strength detecting circuit, a current detecting circuit, a logic circuit, and a switching unit. The signal strength detecting circuit is coupled to the signal input end or the signal output end of the RF active circuit and configured to generate a first detecting signal according to the signal strength of the RF signal. The current detecting circuit is configured to detect the VSWR of the RF signal based on the driving current of the RF active circuit, thereby generating a corresponding second detecting signal. The logic circuit is configured to generate a switch control signal according to the first detecting signal and the second detecting signal. The switching unit is configured to lower the driving current of the RF active circuit according to the switch control signal.Type: GrantFiled: February 8, 2018Date of Patent: July 9, 2019Assignee: RichWave Technology Corp.Inventor: Yi-Fong Wang
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Publication number: 20190133493Abstract: A method for analyzing gait is provided for a system including multiple accelerometers. The method includes: for each time point and each accelerometer, calculating a root mean square (RMS) value according to the accelerations sensed on sensing axes of the corresponding accelerometer; calculating a cross correlation coefficient according to the RMS values of a first accelerometer and a second accelerometer; calculating a first auto-correlation coefficient of the RMS values of the first accelerometer; calculating a second auto-correlation coefficient of the RMS values of the second accelerometer; and calculating a first gait index according to the cross correlation coefficient, the first auto-correlation coefficient, and the second auto-correlation coefficient.Type: ApplicationFiled: November 29, 2017Publication date: May 9, 2019Inventors: Wei-Chih LIEN, Wen-Fong WANG, Ta-Shen KUAN, Pei-Fang SU, Yung-Heng CHENG, Yu-Lun ZHENG, Chao-Hsien HSIEH
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Publication number: 20190068137Abstract: A protection circuit for use in an RF active circuit includes a signal strength detecting circuit, a current detecting circuit, a logic circuit, and a switching unit. The signal strength detecting circuit is coupled to the signal input end or the signal output end of the RF active circuit and configured to generate a first detecting signal according to the signal strength of the RF signal. The current detecting circuit is configured to detect the VSWR of the RF signal based on the driving current of the RF active circuit, thereby generating a corresponding second detecting signal. The logic circuit is configured to generate a switch control signal according to the first detecting signal and the second detecting signal. The switching unit is configured to lower the driving current of the RF active circuit according to the switch control signal.Type: ApplicationFiled: February 8, 2018Publication date: February 28, 2019Inventor: Yi-Fong Wang
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Patent number: 8736389Abstract: A calibration circuit includes at least two compensation circuits and a comparator. The at least two compensation circuits are coupled to an input signal for outputting at least a first compensation signal and a second compensation signal respectively. The comparator is coupled to the first compensation signal and the second compensation signal for outputting a calibration signal, where the calibration signal is used for determining an oscillation frequency of a crystal oscillator to achieve a purpose of frequency compensation with a temperature.Type: GrantFiled: September 15, 2011Date of Patent: May 27, 2014Assignee: RichWave Technology Corp.Inventors: Yi-Fong Wang, Wei-Kung Deng
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Publication number: 20120249256Abstract: A calibration circuit includes at least two compensation circuits and a comparator. The at least two compensation circuits are coupled to an input signal for outputting at least a first compensation signal and a second compensation signal respectively. The comparator is coupled to the first compensation signal and the second compensation signal for outputting a calibration signal, where the calibration signal is used for determining an oscillation frequency of a crystal oscillator to achieve a purpose of frequency compensation with a temperature.Type: ApplicationFiled: September 15, 2011Publication date: October 4, 2012Inventors: Yi-Fong Wang, Wei-Kung Deng