Patents by Inventor Yu-Yuan Chang

Yu-Yuan Chang 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: 20140254201
    Abstract: A power supply for prolonging a hold-up time includes a main power supply system, and a hold-up power supply system connected in parallel to a power factor correction unit in the main power supply system. The hold-up power supply system includes an isolation transformer element connected to the power factor correction unit for receiving and transforming a first power to a third power, a power storage element for receiving the third power and storing as a hold-up power, and a power comparison unit connected between the power factor correction unit and the power storage element. The power comparison unit compares a second power generated from phase modulation performed by the power factor correction unit and the hold-up power, and outputs the hold-up power when the second power is smaller than the hold-up power, so as to sustain the power modulation unit to continue operating for a hold-up time.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 11, 2014
    Applicant: ZIPPY TECHNOLOGY CORP.
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Tien -Wei CHANG
  • Patent number: 8816532
    Abstract: A redundant power system aims to provide multiple main output power and multiple standby power to drive a plurality of loads operating in an operating mode or a standby mode. The redundant power system includes a plurality of power supplies and a back panel. Each power supply provides a main output power and a standby power. The back panel has a power bus path to converge the main output power. The power bus path is divided into multiple main power output paths each being controlled by a remote ON/OFF switch to determine whether to perform output, and multiple standby power output paths each has a conversion unit located thereon. The conversion unit converts the power in the power bus path and provides a simulated standby power to the loads in a normal.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: August 26, 2014
    Assignee: Zippy Technology Corporation
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Li-Wei Lu, Heng-Chia Chang, Jui-Hao Pan
  • Publication number: 20140197689
    Abstract: A power supply capable of increasing the lifespan of battery modules controls the duty state of a main power supply system through a state switch control module. The state switch control module includes a power supply switch unit and a state switch unit. The power supply switch unit has a first power supply state in which the state switch unit outputs a first signal to allow the main power supply system to output a first power to charge a battery module, and a second power supply state in which the state switch unit outputs a second signal to allow the main power supply system to stop outputting the first power, and the battery module outputs the second power when the first electric potential of the first power is lower than the second electric potential of the second power.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 17, 2014
    Applicant: ZIPPY TECHNOLOGY CORP.
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Kuang-Lung SHIH, Po-Wen HSIAO
  • Patent number: 8766759
    Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: July 1, 2014
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Tzung-Han Lee, Heng-Chia Chang
  • Publication number: 20140097934
    Abstract: A control system for automatically turning on/off device including at least an electronic device and a mobile communication device is disclosed. The mobile communication device includes a wireless communication unit and a control unit. The wireless communication unit is configured to be wirelessly connected with the electronic device and transmit the packet signals mutually between each other. The control unit determines whether a connection state between the electronic device and the mobile communication device is normal according to the packet signals. The electronic device is controlled to be turned on when the connection state is normal and turned off when the connection state is abnormal. The connection state may vary in accordance with the variation of the distance between the electronic device and the mobile communication device. Therefore the electronic device may be turned on/off conveniently and more electrical power may be saved.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 10, 2014
    Applicant: POWERTECH INDUSTRIAL CO., LTD.
    Inventors: Chien Hsin SU, YU YUAN CHANG
  • Publication number: 20140091889
    Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.
    Type: Application
    Filed: October 1, 2012
    Publication date: April 3, 2014
    Applicant: ZIPPY TECHNOLOGY CORP.
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Tzung-Han LEE, Heng-Chia CHANG
  • Publication number: 20140070616
    Abstract: A power conversion output architecture applied to a redundant power supply system comprises a power integration panel and a power regulation output panel. The power integration panel includes a first integration circuit receiving primary power from a plurality of power supplies and integrating them into primary power integration, and a second integration circuit receiving standby power from the power supplies and integrating them into standby power integration. The power regulation output panel includes a power regulation circuit receiving the primary power integration and converting it into a secondary power, a first output circuit receiving and outputting the secondary power, a second output circuit receiving and outputting the primary power integration, a third output circuit receiving and outputting the standby power integration, and a power administration unit detecting the status of the primary power integration, the standby power integration and the secondary power.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 13, 2014
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Chun-Lung Su, Heng-Chia Chang
  • Patent number: 8648618
    Abstract: Method and module for judging status alterations of power supplies that are caused by changes of external power sources are provided. Through comparing first, second and third comparison voltages with a stabilized voltage of a voltage stabilization and energy storage element in a power factor correction unit, the status of the power supply can be judged, and an external power supply abnormal signal, a power supply abnormal signal or a power failure alert signal can be generated according to the status to allow a motherboard to perform loading regulation. The power failure alert signal is used to timely stop operation of the power supply, hence can resolve the problems of the conventional techniques such as delay notification, inaccurate judgment or complex composition of judgment circuit.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: February 11, 2014
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Tsung-Chun Cheng, Heng-Chia Chang
  • Publication number: 20140025965
    Abstract: A power data switch communication architecture includes a first power supply unit, a second power supply unit, a motherboard and a data communication switch unit. The first power supply unit and the second power supply unit include respectively a first power source management unit and a second power source management unit that generate respectively corresponding first and second working parameters based on operating states of the first and second power supply units. The motherboard includes a first data communication circuit connected to the first power source management unit and a second data communication circuit connected to the second power source management unit. The data communication switch unit is electrically connected to the first data communication circuit and the second data communication circuit to receive a switch signal to determine whether to set on the first data communication circuit or the second data communication circuit.
    Type: Application
    Filed: July 18, 2012
    Publication date: January 23, 2014
    Inventors: Yu-Yuan Chang, Tsung-Chun Chen, Kuang-Lung Shih
  • Publication number: 20140016259
    Abstract: A multi-motherboard power data communication architecture for power supplies located in an electronic apparatus includes at least a power supply unit, a data communication control unit, a first motherboard and a second motherboard. The power supply unit includes a power source management unit to generate at least one corresponding working parameter based on operating states of the power supply unit. The data communication control unit includes at least one power source management connection port to get the working parameter of the power supply unit, a buffer memory unit to store the working parameter, and a first data output port and a second data output port to respectively output the working parameter. The first motherboard and second motherboard are electrically connected to the first and second data output ports respectively to read the working parameter saved in the buffer memory unit.
    Type: Application
    Filed: July 11, 2012
    Publication date: January 16, 2014
    Inventors: Kuang-Lung SHIH, Tsung-Chun Chen, Yu-Yuan Chang
  • Patent number: 8612783
    Abstract: A remote-controlled computer system includes a computer system electrically linked to a remote control device. The remote control device receives a manual operation to generate a manual trigger signal sent to the computer system. The computer system includes a motherboard, a power supply and a status control unit. The motherboard receives continuously the manual trigger signal and sends a power ON/OFF signal to start or stop the power supply. The power supply provides electric power to the motherboard for booting and a power activating signal to the motherboard. The status control unit is electrically connected to the motherboard, power supply and remote control device. The status control unit receives the manual trigger signal from the remote control device and transmits to the motherboard. The status control unit also detects absence of the power activating signal output from the power supply and stops sending the manual trigger signal.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: December 17, 2013
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Chia-Lun Liu, Kuang-Lung Shih
  • Publication number: 20130305063
    Abstract: An uninterruptible power supply (UPS) device for providing a DC operating power to operate a motherboard is disclosed. The UPS device includes a main power supply system, a backup power supply system and a disable control unit. In a normal condition, the main power supply system converts and outputs a first DC standby power to the motherboard. The backup power supply system outputs a second DC standby power to the motherboard when the main power supply system is incapable of normally outputting the first DC standby power. The disable control unit receives a power supply-off signal outputted by the motherboard in a power-off state to generate a disable signal to the backup power supply system. In response to the disable signal, the backup power supply system stops outputting the second DC standby power to the motherboard.
    Type: Application
    Filed: May 9, 2012
    Publication date: November 14, 2013
    Inventors: Tsun-Te SHIH, Yu-Yuan Chang, Kuang-Lung Shih, Po-Wen Hsiao
  • Publication number: 20130275777
    Abstract: A power enabling circuit for uninterrupted power supplies includes a main power supply system, a backup power supply system and a power enabling control circuit. The main power supply system is electrically connected to an external power source to convert and output a conversion power, and generates a first power good signal when the conversion power is output normally. The backup power supply system outputs a backup power when the main power supply system cannot output the conversion power. The power enabling control circuit receives the first power good signal output from the main power supply system and simulates to generate a corresponding second power good signal, and also includes a normal power supply state in which the second power good signal is sent to a motherboard and a backup power supply state to receive the backup power and continuously output the second power good signal to the motherboard.
    Type: Application
    Filed: April 11, 2012
    Publication date: October 17, 2013
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Kuang-Lung SHIH, Po-Wen HSIAO
  • Publication number: 20130264879
    Abstract: A low power consumption backup power system includes a power conversion unit connected to an external power input source to generate a converted power, a first power supply circuit and a second power supply circuit electrically connected to the power conversion unit, and a power source switch circuit connected to the first and second power supply circuits. The first power supply circuit receives the converted power and outputs a first output power. The second power supply circuit includes an energy storage unit to store the converted power charged through a charge unit and output the second output power. The power source switch circuit determines to directly output the first output power through the first power supply circuit or output the second output power from the energy storage unit of the second power supply circuit according to whether the converted power is received from the power conversion unit.
    Type: Application
    Filed: April 4, 2012
    Publication date: October 10, 2013
    Inventors: Tsun-Te SHIH, Yu-Yuan CHANG, Kuang-Lung SHIH, Po-Wen HSIAO
  • Patent number: 8542001
    Abstract: In a power circuit for reducing standby power consumption, a power supply is defined to include a primary power system and a stationary power system. The stationary power system outputs a stationary power after obtaining an input power. A control unit controls ON/OFF of the primary power system, obtains the stationary power as the required power, and receives a PS ON/OFF signal for triggering the control unit, so that the control unit controls the primary power system to supply a primary output power. The power supply includes a switch unit having two ends connected to a power circuit for outputting the stationary power and a virtual load respectively. The PS ON/OFF signal is provided for controlling the switch unit. If the switch unit does not receive the PS ON/OFF signal, it is OFF in a standby mode to avoid unnecessary power consumption of the virtual load.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: September 24, 2013
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Yi-Hua Wang, Heng-Chia Chang
  • Publication number: 20130049463
    Abstract: A redundant power system aims to provide multiple main output power and multiple standby power to drive a plurality of loads operating in an operating mode or a standby mode. The redundant power system includes a plurality of power supplies and a back panel. Each power supply provides a main output power and a standby power. The back panel has a power bus path to converge the main output power. The power bus path is divided into multiple main power output paths each being controlled by a remote ON/OFF switch to determine whether to perform output, and multiple standby power output paths each has a conversion unit located thereon. The conversion unit converts the power in the power bus path and provides a simulated standby power to the loads in a normal.
    Type: Application
    Filed: August 26, 2011
    Publication date: February 28, 2013
    Inventors: Tsun-Te SHIH, Yu-Yuan Chang, Li-Wei Lu, Heng-Chia Chang, Jui-Hao Pan
  • Patent number: 8364990
    Abstract: A remote controlled power supply system includes a data processing system and at least one power supply. The data processing system outputs a power source ON/OFF signal to drive the power supply to switch either in a working state or a sleeping state. The power supply includes a signal integration unit and a communication unit. The signal integration unit receives a working parameter of the power supply and outputs a first ON/OFF signal to drive the data processing system to output the power ON/OFF signal to switch the state of the power supply state. The communication unit is linked to the signal integration unit to receive the working parameter and output the working parameter to a communication network. The administrators can acquire the working parameter through a remote control equipment and control the power supply at the remote site.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: January 29, 2013
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Heng-Chia Chang, Chieh Yang, Kuang-Lung Shih
  • Patent number: 8331117
    Abstract: A multiple power supplies balance system includes a plurality of power supply circuits on a circuit board each having a power output route. Each power supply circuit includes a power supply feedback unit which has a reference level terminal to determine output potential of the power supply circuit. The circuit board also has an output route electrically connected to the power output route to converge current sending to a load. Thus the circuit board contains multiple sets of power supply circuits coupled in parallel. The circuit board also has a proportion distribution circuit to correct output variations of each power supply circuit. The proportion distribution circuit includes a variable impedance element which is electrically connected to the reference level terminals and controllable to proportionally change equivalent impedance connected to each reference level terminal, thus change proportionally output potential of each power supply circuit.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: December 11, 2012
    Assignee: Zippy Technology Corp.
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Tien-Wei Chang
  • Patent number: 8330292
    Abstract: A power supply with an integrated power system has a common transformer. After the power supply receives input power, the common transformer generates an induction power at the secondary side. The power supply further includes a standby power system receiving the induction power and outputting a standby power, an actuation switch with one end electrically bridging the common transformer and the standby power system, a primary power system connecting to the other end of the actuation switch, and a power management unit receives the standby power to be activated. The standby power system modulates and transforms the induction power to the standby power to start operation of the power management unit. Users can trigger the power management unit to output an enabling signal to conduct the actuation switch to be ON so that the primary power system can receive the induction power and transform to output the primary output power.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: December 11, 2012
    Assignee: Zippy Technology Corp.
    Inventors: Yi-Hua Wang, Yu-Yuan Chang
  • Publication number: 20120205976
    Abstract: A redundant power system regulating operation according to loads includes a power back panel and a plurality of power supplies electrically connected to a plurality of input ports on the power back panel. The power back panel has a plurality of output ports electrically connected to at least one load. Each power supply has an ON/OFF control terminal to receive an ON/OFF signal to determine ON or OFF thereof. The power back panel further has a power source management unit to detect the number of the load being activated. The power source management unit includes a plurality of ON/OFF signal terminals electrically connected to the ON/OFF control terminals. The power source management unit determines the number of the ON/OFF signal terminals to output the ON/OFF signal according to the number of the activated load.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 16, 2012
    Inventors: Tsun-Te Shih, Yu-Yuan Chang, Li-Wei Lu