Patents by Inventor Chun Sheng Chen

Chun Sheng 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).

  • Interface supply circuit
    Patent number: 9448578
    Abstract: An interface supply circuit includes a power supply unit, a first and a second control circuit, and a detection unit coupled to an interface. The detection unit is configured to output a first control signal upon detecting a corresponding device is inserted into the interface and output a second control signal upon detecting no device is inserted into the interface. The first control circuit is configured to switch off in event receiving the first control signal and switch on in event receiving the second control signal. The second control circuit is configured to switch on in event the first control circuit is switched off and switch off in event the first control circuit is switched on. The power supply unit is configured to supply power to the interface after the second control circuit is switched on and be disconnected from the interface after the second control circuit is switched off.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: September 20, 2016
    Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jun-Yi Deng, Chun-Sheng Chen
  • Anti-leakage supply circuit
    Patent number: 9448616
    Abstract: An anti-leakage supply circuit which avoids any power leakage to earth includes an interface, a management chip configured to detect a working state of a computer, a motherboard power supply configured to supply power to the interface and the management chip, and a control circuit coupled to the management chip. The control circuit is coupled between the motherboard power supply and the interface. The management chip is configured to output a signal to the control circuit when the computer is in standby state which disconnects the motherboard power supply and the interface.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 20, 2016
    Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jie Min, Chun-Sheng Chen
  • Voltage adjusting circuit and all-in-one computer including the same
    Patent number: 9448572
    Abstract: A voltage adjusting circuit includes a voltage regulator module, a control chip, a platform controller hub (PCH), a basic input-output system (BIOS), a number of switching units, and a number of resistors. The voltage adjusting circuit is utilized to receive a voltage signal to supply a working voltage to a liquid crystal display (LCD). The voltage adjusting circuit controls switching units to turn on or turn off, and changes the current of the control chip, and further outputs different voltages to different LCDs. The disclosure further provides an all-in-one computer including the voltage adjusting circuit.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: September 20, 2016
    Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Song Guo, Chun-Sheng Chen
  • TOUCH SCREEN DISPLAY AND BIDIRECTIONAL DATA TRANSMISSION METHOD
    Publication number: 20160239140
    Abstract: A touch screen display and method for operating the same is provided. A touch screen display includes a display signal transmission interface, a storage module, a display control module, a display panel, a touch panel, and a touch control module. The display signal transmission interface receives display data from the host. The display signal transmission interface includes a display data channel. The display control module displays the received display data on the display panel. The touch panel receives and senses touches on the touch screen. The touch control module generates touch signals and transmits the touch signals to the host through the display data channel enabling bi-directional communication through a single interface.
    Type: Application
    Filed: April 13, 2015
    Publication date: August 18, 2016
    Inventors: XI-HUAI HE, CHUN-SHENG CHEN
  • ELECTRONIC DEVICE AND CHARGING INTERFACE
    Publication number: 20160233624
    Abstract: An electronic device includes a platform controller hub and a charging interface. The charging interface includes a connector for coupling to a peripheral device, and a charging integrated circuit coupled to the connector. The connector includes an insert detecting member for detecting if the peripheral device is inserted. The charging integrated circuit can provide power to the connector. The platform controller hub can exchange data through the connector through the charging integrated circuit. The charging integrated circuit can cut off the power to the connector when the insert detecting member detects that no peripheral device is inserted in the connector.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 11, 2016
    Inventors: JIE MIN, CHUN-SHENG CHEN
  • INFRARED DETECTING SWITCH FOR SURVEILLANCE CAMERA
    Publication number: 20160231169
    Abstract: An infrared detecting switch for a surveillance camera includes a detector, an amplifier circuit, and a switch circuit. The detector can detect infrared radiation emitted by a person and output a voltage signal. The amplifier circuit can receive the voltage signal and amplify the voltage signal. The switch circuit can receive the voltage signal and supply power to the surveillance camera.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 11, 2016
    Inventors: TONG-QI HUANG, CHUN-SHENG CHEN
  • HEATING APPARATUS
    Publication number: 20160234880
    Abstract: A heating apparatus includes a power source, a heating unit, and a control unit. The control unit includes a transistor and a thermal resistor. The transistor is connected between the power source and the heating unit to control the power source to provide power to the heating unit. The thermal resistor is connected to the transistor. A resistance value of the thermal resistor changes along with ambient temperature to turn on or off the transistor to control the power source to provide power to the heating unit according the ambient temperature.
    Type: Application
    Filed: April 24, 2015
    Publication date: August 11, 2016
    Inventors: XIN YE, CHUN-SHENG CHEN
  • CONTROL CIRCUIT AND ELECTRONIC DEVICE USING THE SAME
    Publication number: 20160226483
    Abstract: A control circuit includes a control module and a switch module. The control circuit is coupled between a power module and a connecting module. The control module includes a first port and a second port. The switch module including a first power terminal receives power from the power module. The first port is coupled to the power module. The control module detects power level in the power module through the first connector. The control module outputs different signals corresponding to the level of power in the power module. The switch module connects the connecting module to the power module or disconnects the connecting module from the power module depending on the signals received from the control module.
    Type: Application
    Filed: June 12, 2015
    Publication date: August 4, 2016
    Inventors: CHUN-SHENG CHEN, WEI ZHANG
  • CHARGING CIRCUIT FOR USB PORT
    Publication number: 20160226282
    Abstract: A charging circuit for a USB port includes a first connector, a second connector, and a voltage booster circuit. The first connector includes a first power pin. The second connector includes a second power pin. The voltage booster circuit is connected between the first connector and the second connector. The voltage booster boosts a voltage provided by the first power pin of the first connector and provides the boosted voltage to the second power pin of the second connector to charge an electronic device.
    Type: Application
    Filed: April 24, 2015
    Publication date: August 4, 2016
    Inventors: XIN YE, CHUN-SHENG CHEN
  • OVER-CURRENT DETECTION CIRCUIT AND OVER-CURRENT DETECTION SYSTEM WITH OVER-CURRENT DETECTION CIRCUIT
    Publication number: 20160224087
    Abstract: An over-current detection circuit includes a power supply module, a control circuit, and a control chip. The control circuit includes a first switch and a second switch. The power supply module is configured to not supply power to an interface when over-current is present at the interface. The control chip is configured to output a control signal when detecting over-current is present at the interface. The first switch is configured to be switched off after receiving the control signal. The second switch is configured to be switched on after the first switch is switched off. The control chip is configured to output a detection signal after the second switch is switched on. An over-current detection system is also provided.
    Type: Application
    Filed: April 13, 2015
    Publication date: August 4, 2016
    Inventors: JIE MIN, CHUN-SHENG CHEN
  • INDICATOR LIGHT DETECTION SYSTEM AND METHOD
    Publication number: 20160217671
    Abstract: An indicator light detection system includes a detection module and a processing module. The detection module is configured to sense a color of a first indicator light to receive a first color signal. The detection module is further configured to output a first detection signal corresponding to the first color signal. The processing module includes a resolving unit, a comparison unit, and a display unit. The resolving unit is configured to resolve the first detection signal to a first detection value. The comparison unit is configured to compare the first detection value with a first reference value. The display unit is configured to display information when the first detection value is equal to the first reference value. An indicator light detection method is also provided.
    Type: Application
    Filed: April 13, 2015
    Publication date: July 28, 2016
    Inventors: WEI-YING GONG, CHUN-SHENG CHEN
  • Control circuit for management engine interface
    Patent number: 9401709
    Abstract: A control circuit includes a platform controller hub (PCH), a basic input/output system (BIOS), an electronic switch, and first and second resistors. A management engine interface is loaded in the PCH. The BIOS is connected to the PCH to control the signals output from a general input/output (GPIO) pin of the PCH. A power supply is connected to a serial pin of the PCH through the electronic switch. The GPIO pin of the PCH controls on or off of the electronic switch.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: July 26, 2016
    Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Song Guo, Chun-Sheng Chen
  • PROMPT CIRCUIT AND CUP UTILIZING THE SAME
    Publication number: 20160210841
    Abstract: A prompt circuit in a drinking cup includes a processor, temperature sensing and weight sensing units, and a prompt unit. The temperature sensing unit displays to a user the temperature of the liquid. The weight sensing unit detects a weight of liquid in the cup, and transmits the weight to the processor. The prompt unit includes a communication unit and a speaker unit. When any change of the weight of liquid in the cup within a first preset time is less than a preset value, the processor outputs a first control signal, to control the speaker unit to output an alarm. When the weight of liquid in the cup in unchanged for a preset time period after the speaker unit has output the alarm, the processor outputs a second control signal to the communication unit and the communication unit outputs a reminding message to a user.
    Type: Application
    Filed: April 20, 2015
    Publication date: July 21, 2016
    Inventors: TONG-QI HUANG, CHUN-SHENG CHEN
  • DISCHARGE CIRCUIT AND MOTHERBOARD UTILIZING THE SAME
    Publication number: 20160211661
    Abstract: A discharge circuit applied in a motherboard includes a platform controller hub (PCH), a first electronic switch, a second electronic switch, and first capacitor. A control terminal of the first electronic switch is coupled to a standby pin of the PCH. A second terminal of the first electronic switch is coupled to the standby power. A control terminal of the second electronic switch is coupled to the second terminal of the first electronic switch. A second terminal of the second electronic switch is coupled to a first power source through a resistor coupled with a capacitor in parallel. The standby pin of the PCH outputs a digital low signal, to control the first electronic switch is turned off rapidly, and the second electronic switch is turned on. A voltage of the first power source is discharged through the resistor rapidly.
    Type: Application
    Filed: April 20, 2015
    Publication date: July 21, 2016
    Inventors: KAI-LONG HUANG, CHUN-SHENG CHEN
  • WIRELESSLY CONTROLLABLE CURTAIN SYSTEM AND CIRCUIT
    Publication number: 20160206128
    Abstract: A wirelessly controllable curtain system includes wireless control and operation systems. The wireless control system includes a wireless control module and a wireless sending module. The wireless operation system is coupled to a curtain and has a wireless receiving module coupled to the wireless control module, a motor controller, and a motor. The wireless control module is configured to send an open/close control signal to the wireless sending module for on passing to the wireless receiving module. The wireless receiving module is configured to send an operation signal, corresponding to the open/close control signal, to the motor controller. The motor rotates in one direction or in the opposite direction to open or close the curtain according to the operation signal. A wirelessly controllable curtain circuit is also provided.
    Type: Application
    Filed: February 2, 2015
    Publication date: July 21, 2016
    Inventors: KAI-LE ZHAI, CHUN-SHENG CHEN
  • MOTHERBOARD AND ELECTRONIC DEVICE USING THE SAME
    Publication number: 20160211656
    Abstract: A motherboard includes a power module, a display module, a control module, and a protection module. The protection module is coupled to the power module, the display module, and the control module. The control module is capable of outputting a first control signal to control the protection module to connect the power module to the display module to be powered by the power module or disconnect the power module from the display module.
    Type: Application
    Filed: June 11, 2015
    Publication date: July 21, 2016
    Inventors: GUI CHANG, CHUN-SHENG CHEN
  • MOTHERBOARD AND ELECTRONIC DEVICE UTILIZING THE SAME
    Publication number: 20160210256
    Abstract: A motherboard applied in an electronic device includes a platform controller hub (PCH), a basic input and output system (BIOS), and a control circuit. The BIOS compares a temperature of the motherboard with a preset temperature in the BIOS, and controls the PCH to output a first control signal or a second control signal, according to a determined value. The control circuit controls a fan to operate or not operate, according to the first control signal or the second control signal. When the temperature of the motherboard is greater than the preset temperature, the fan starts operating. Therefore, the motherboard can save energy.
    Type: Application
    Filed: April 21, 2015
    Publication date: July 21, 2016
    Inventors: ZHANG-LONG PENG, CHUN-SHENG CHEN
  • SOCKET AND VOICE-RECOGNITION METHOD USING SAME
    Publication number: 20160203816
    Abstract: A socket includes a voice-receiver, a processing module coupled to the voice-receiver, a converting member coupled to the processing module, and a switching member coupled to the converting member. The switching member is configured to couple to a supply member and a load. The voice-receiver is configured to receive a voice instruction. The processing module is configured to recognize the voice instruction and to output a control signal according the voice instruction. The converting member is configured to convert the control signal to a switching signal. The switching member is configured to be switched on or be switched off according to the switching signal. The supply member is configured to supply power to the load after the switching member is be switched on and not to supply power to the load after the switching member is be switched off. A voice-recognition method is also provided.
    Type: Application
    Filed: February 2, 2015
    Publication date: July 14, 2016
    Inventors: JUN-YI DENG, CHUN-SHENG CHEN
  • ALARM CIRCUIT AND ELECTRONIC DEVICE UTILIZING THE SAME
    Publication number: 20160205232
    Abstract: An alarm circuit applied in an electronic device includes an audio interface, an audio processor, a speaker, and a control unit. A first terminal of the control unit is coupled to the audio interface, to receive a first control signal or a second control signal. A second terminal of the control unit receives an alarm on/off signal. A third terminal of the control unit is coupled to the audio processor. When the second terminal of the control unit receives the alarm on signal, and the first terminal of control unit receives the first control signal meanwhile, the alarm on signal is transmitted to the alarm processor through the third terminal of the control unit, and the audio processor outputs the alarm signal through the speaker unit, to warn the user the mobile phone is being stolen immediately.
    Type: Application
    Filed: April 21, 2015
    Publication date: July 14, 2016
    Inventors: TONG-QI HUANG, CHUN-SHENG CHEN
  • ANTI-LEAKAGE SUPPLY CIRCUIT
    Publication number: 20160197548
    Abstract: An anti-leakage supply circuit includes a power supply unit, an output unit, a control unit, and a control circuit. The control unit is configured to output a control signal. The output unit is configured to be switched on after receiving the control signal and to output an output voltage after being switched on and receiving a voltage from the power supply unit. The control circuit is configured to be switched on after an electronic device is in a normal state. The output unit is configured to connect to the interface after the control circuit is switched on, thereby enabling the output unit to output the output voltage to supply to an interface. The control circuit is further configured to be switched off after the electronic device is in a shutdown state, thereby disabling the output voltage supply to the interface.
    Type: Application
    Filed: January 20, 2015
    Publication date: July 7, 2016
    Inventors: GUI CHANG, CHUN-SHENG CHEN