Patents by Inventor FU-SEN YANG
FU-SEN YANG 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: 8957653Abstract: A power supply control circuit includes a main controller, a current detection unit electronically connected to the main controller, and a mode switch unit electronically connected to the main controller. The current detection unit cooperates with the main controller in detecting a value of an output current of a power supply circuit. The main controller determines whether the power supply circuit is operating in a discontinuous conduction mode or in a continuous conduction mode according to the value of the output current of the power supply circuit, and controls the mode switch unit to switch the power supply circuit to the continuous conduction mode when the power supply circuit operates in the discontinuous conduction mode.Type: GrantFiled: December 28, 2012Date of Patent: February 17, 2015Assignee: ScienBiziP Consulting (Shen Zhen) Co., Ltd.Inventors: Fu-Sen Yang, Peng Chen, Song-Lin Tong
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Patent number: 8933704Abstract: A device for testing capacitive loads of a power supply includes a controller, a power supply switching circuit, a capacitive load switching circuit, and a current sampling circuit. The power supply switching circuit selects one of output voltages of the power supply to be electronically connected to the capacitive load switching circuit and the current sampling circuit. The current sampling circuit samples an output current of one output of the power supply selected by the controller. The controller turns on and off switches of the capacitive load switching circuit for matching an output current of the power supply with a reference current until the output current equals to the reference current. The controller outputs a total magnitude of the capacitive loads.Type: GrantFiled: January 9, 2013Date of Patent: January 13, 2015Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Yun Bai, Fu-Sen Yang, Song-Lin Tong
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Patent number: 8810064Abstract: A sequence control circuit for power sources includes two switched circuits and a sequence control unit. Each of the switched circuits has a control node and is coupled between a power source and a load. The sequence control unit includes two output terminals coupled to the control nodes. The output terminals generate control signals to control the sequence of the circuits being turned on.Type: GrantFiled: July 13, 2011Date of Patent: August 19, 2014Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Qi-Yan Luo, Song-Lin Tong, Peng Chen, Fu-Sen Yang
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Patent number: 8624581Abstract: An input power measuring device includes a board with an edge connector, a first dual inline memory modules (DIMM) socket, a resistor, a differential amplifier circuit, a voltage dividing circuit, a display screen, and a controller. When the edge connector is inserted into a second DIMM socket of a motherboard and the motherboard is powered on, the resistor samples first current, and converts the first current into a first voltage. The differential amplifier circuit amplifiers the first current to a second current. The voltage dividing circuit divides the first voltage, and outputs a second voltage. The controller converts the second current into a third current, converts the second voltage into a third voltage, and calculates a power according to the third current and the third voltage.Type: GrantFiled: June 22, 2011Date of Patent: January 7, 2014Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd, Hon Hai Precision Industry Co., Ltd.Inventors: Yun Bai, Fu-Sen Yang, Song-Lin Tong
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Patent number: 8604817Abstract: A measurement card includes a circuit board, an edge connector on a bottom edge of the circuit board, a port arranged on the circuit board, and a single-pole double-throw switch for connecting the port to either a first or a second pin of the edge connector to tests the VDDQ and VTT outputs of a memory slot.Type: GrantFiled: November 24, 2011Date of Patent: December 10, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Fu-Sen Yang, Yun Bai, Song-Lin Tong
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Publication number: 20130249567Abstract: A device for testing capacitive loads of a power supply includes a controller, a power supply switching circuit, a capacitive load switching circuit, and a current sampling circuit. The power supply switching circuit selects one of output voltages of the power supply to be electronically connected to the capacitive load switching circuit and the current sampling circuit. The current sampling circuit samples an output current of one output of the power supply selected by the controller. The controller turns on and off switches of the capacitive load switching circuit for matching an output current of the power supply with a reference current until the output current equals to the reference current. The controller outputs a total magnitude of the capacitive loads.Type: ApplicationFiled: January 9, 2013Publication date: September 26, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: YUN BAI, FU-SEN YANG, SONG-LIN TONG
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Publication number: 20130241506Abstract: A power supply control circuit includes a main controller, a current detection unit electronically connected to the main controller, and a mode switch unit electronically connected to the main controller. The current detection unit cooperates with the main controller in detecting a value of an output current of a power supply circuit. The main controller determines whether the power supply circuit is operating in a discontinuous conduction mode or in a continuous conduction mode according to the value of the output current of the power supply circuit, and controls the mode switch unit to switch the power supply circuit to the continuous conduction mode when the power supply circuit operates in the discontinuous conduction mode.Type: ApplicationFiled: December 28, 2012Publication date: September 19, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: FU-SEN YANG, PENG CHEN, SONG-LIN TONG
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Publication number: 20130127489Abstract: An exemplary electronic load includes a simulation load, a comparison circuit, a sample resistor, and a voltage control circuit. The comparison circuit includes a comparator. The sample resistor samples current flowing through the simulation load, and outputs the sampled current to a negative input of the comparator. An output of the comparator is connected to the simulation load. The voltage control circuit outputs an adjustable control voltage to a positive input of the comparator to control the simulation load to output an adjustable current.Type: ApplicationFiled: August 19, 2012Publication date: May 23, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: YUN BAI, FU-SEN YANG, SONG-LIN TONG
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Publication number: 20130093506Abstract: A solid state disk (SSD) power supply system includes power supply switching circuit. The power supply switching circuit comprises a first power input to receive a first direct current (DC) voltage signal, a second power input connected to a super capacitor to receive a second DC voltage signal provided by the super capacitor, a switching chip connected to the first and second power inputs and configured to select the second DC voltage signals to output in a situation that the first power input is disabled to receive the first DC voltage signal, a voltage converting chip to receive the voltage signal output from the switching chip, and a voltage output to output an operation voltage to an SSD according to the voltage signal. The switching chip and the voltage converting chip respectively output a first and second test signals for testing a discharging time of the super capacitor.Type: ApplicationFiled: February 23, 2012Publication date: April 18, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: FU-SEN YANG, YUN BAI, SONG-LIN TONG
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Publication number: 20130063124Abstract: A measurement card includes a circuit board, an edge connector on a bottom edge of the circuit board, a port arranged on the circuit board, and a single-pole double-throw switch for connecting the port to either a first or a second pin of the edge connector to tests the VDDQ and VTT outputs of a memory slot.Type: ApplicationFiled: November 24, 2011Publication date: March 14, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTDInventors: FU-SEN YANG, YUN BAI, SONG-LIN TONG
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Publication number: 20130049778Abstract: A balancing resistor testing apparatus is configured for acquiring a resistance of a balancing resistor electronically connected to a supercapacitor of a series supercapacitor assembly in parallel. The balancing resistor testing apparatus includes a controller and a digital potentiometer. The controller detects a voltage across each supercapacitor of the series supercapacitor. The digital potentiometer comprising a plurality of variable resistors each of which is electronically connected to a supercapacitor in parallel, the controller controls the digital potentiometer to continuously adjust the effective resistance of each potentiometer until the controller detects that each supercapacitor has the same or very similar voltage.Type: ApplicationFiled: June 29, 2012Publication date: February 28, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: FU-SEN YANG, YUN BAI, SONG-LIN TONG
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Publication number: 20120316817Abstract: A circuit for measuring the DC resistance of an inductor includes an input unit, a microprocessor module, a current source and a voltage detecting unit. The microprocessor module receives signals from the input unit and generates different signals to command constant currents through the inductor by the current source. The voltage detecting unit reads voltages of the inductor and outputs the voltages obtained to the microprocessor module. According to the currents and the voltages read, the microprocessor module may calculate the DC resistance(s) of the inductor.Type: ApplicationFiled: July 13, 2011Publication date: December 13, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTDInventors: SONG-LIN TONG, QI-YAN LUO, PENG CHEN, FU-SEN YANG, YUN BAI
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Publication number: 20120306273Abstract: A sequence control circuit for power sources includes two switched circuits and a sequence control unit. Each of the switched circuits has a control node and is coupled between a power source and a load. The sequence control unit includes two output terminals coupled to the control nodes. The output terminals generate control signals to control the sequence of the circuits being turned on.Type: ApplicationFiled: July 13, 2011Publication date: December 6, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTDInventors: QI-YAN LUO, SONG-LIN TONG, PENG CHEN, FU-SEN YANG
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Publication number: 20120299582Abstract: An input power measuring device includes a board with an edge connector, a first dual inline memory modules (DIMM) socket, a resistor, a differential amplifier circuit, a voltage dividing circuit, a display screen, and a controller. When the edge connector is inserted into a second DIMM socket of a motherboard and the motherboard is powered on, the resistor samples first current, and converts the first current into a first voltage. The differential amplifier circuit amplifiers the first current to a second current. The voltage dividing circuit divides the first voltage, and outputs a second voltage. The controller converts the second current into a third current, converts the second voltage into a third voltage, and calculates a power according to the third current and the third voltage.Type: ApplicationFiled: June 22, 2011Publication date: November 29, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: YUN BAI, FU-SEN YANG, SONG-LIN TONG
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Publication number: 20120267954Abstract: An adjusting device adjusts a load line of a CPU power supply circuit. The adjusting device includes a controller, a DC electronic load device, a voltage follower, an adjustable resistor, and an indicator. The controller controls the DC electronic load device to change an output current of the circuit. The voltage follower sends an output voltage of the circuit to the controller. The controller calculates the load line of the circuit based on the output current and the output voltage of the circuit, determines whether the load line satisfies the required value, changes a resistance of the adjustable resistor until the load line satisfies the required value, and sends a resistance of the adjustable resistor to the indicator.Type: ApplicationFiled: June 24, 2011Publication date: October 25, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: FU-SEN YANG, QI-YAN LUO, PENG CHEN, YUN BAI, SONG-LIN TONG
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Publication number: 20120262195Abstract: A resistance determining system is used to determine an offsetting resistance of a mainboard to establish a predetermined offset voltage. The system includes an input equipment, a single-chip, and a resistor. The input equipment sets a predetermined standard voltage of the mainboard. The resistor supplies the mainboard with various resistances, to adjust real output voltage of the mainboard. The single-chip monitors the real output voltage of the mainboard, and adjusts the resistance of the resistor until the difference between the real output voltage and the predetermined standard voltage is equal to a predetermined offset voltage.Type: ApplicationFiled: October 28, 2011Publication date: October 18, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HON FU JIN PRECISION INDUSTRY(ShenZhen) CO., LTD.Inventors: PENG CHEN, QI-YAN LUO, YUN BAI, FU-SEN YANG, SONG-LIN TONG