1
Wei Jen Huang, Tsung Wei Huang, Shui Mu Lin: Rectifying-and-modulating circuit and wireless power receiver incorporating the same. RICHTEK TECHNOLOGY, Osha Liang, December 29, 2015: US09225196 (135 worldwide citation)

A wireless power receiver includes a power receiving circuit wirelessly receiving power transmitted from a wireless power transmitter so as to generate an induced current, and a rectifying-and-modulating circuit including first to eighth switches and a control unit. The control unit is operable to c ...


2
Wei Hsin Wei, Shui Mu Lin, Chien Sheng Chen, Tsung Wei Huang, Chin Chiang Yeh, Chin Tsung Chen: Dimming method and system thereof. Richtek Technology, Birch Stewart Kolasch & Birch, May 6, 2008: US07368977 (9 worldwide citation)

A dimming method for LED driving circuit is proposed. By temporary switching a pin that is originally used for the input/output of other electric signals to a high impedance node, the dimming control signal may be inputted to dim LEDs. The dimming method comprises the steps of: floating the pin ever ...


3
Shui Mu Lin, Tsung Wei Huang, Jien Sheng Chen: Charge pump regulator and method of producing a regulated voltage. Richtek Technology, Rosenberg Klein & Lee, February 15, 2011: US07888989 (8 worldwide citation)

A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrou ...


4
Tsung Wei Huang, Jien Sheng Chen, Shui Mu Lin, Nien Hui Kung: Mode transition control method and circuit for a charge pump. Richtek Technology, Rosenberg Klein & Lee, January 6, 2009: US07474141 (7 worldwide citation)

A mode transition control method and circuit switch a charge pump to an operating mode with lower conversion ratio at a regular interval when the input voltage of the charge pump is detected close to a mode transition point, so as to prevent from misjudgment on the mode transition of the charge pump ...


5
Chih Ching Chen, Tsung Wei Huang: Microinjector head having driver circuitry thereon and method for making the same. Benq Corporation, Winston Hsu, October 29, 2002: US06471338 (5 worldwide citation)

A microinjector head with a driving circuit and the manufacturing method of the microinjector head are shown. The microinjector head uses a bubble as a virtual valve to eject fluid. The microinjector head has a manifold, chambers, a pair of first and second bubble generators, orifices, and a driving ...


6
Tsung Wei Huang, Shui Mu Lin, Nang Ching Yeung, Ti Ti Liu, Huan Chien Yang: Circuit and method for controlling light emitting device, and integrated circuit therefor. Richtek Technology Corporation, Tung & Associates, March 26, 2013: US08405320 (4 worldwide citation)

The present invention provides a transistor switch on a light emitting device channel, the transistor switch receiving a control voltage VG. A current source circuit controls the current on the light emitting device channel, the current source circuit requiring a minimum voltage VR for normal operat ...


7
Tsung Wei Huang: Storage battery housing on a mobile phone. Bacon & Thomas, September 16, 1997: US05667906 (4 worldwide citation)

An improved storage battery on a mobile phone is comprised of a base housing, a cover housing, an electric circuit board, a set of lithium batteries and a viewing window, wherein after closing and assembling of the base and the cover housings, a receiving space is formed therein for receiving the el ...


8
Chih Ching Chen, Tsung Wei Huang: Printhead cartridge with asymmetrical contacts. Benq Corporation, Winston Hsu, March 18, 2003: US06533396 (4 worldwide citation)

A printhead cartridge mounts within a carriage of a printer. The carriage moves along a first direction within the printer. The printhead cartridge includes an inkwell for storing ink, which has a front surface and a bottom surface, a printhead mounted on the bottom surface, and a plurality of conta ...


9
Kwan Jen Chu, Shui Mu Lin, Jien Sheng Chen, Tsung Wei Huang: Charge pump down circuit and method for the same. Richtek Technology Corporation, Tung & Associates, February 23, 2010: US07667530 (4 worldwide citation)

The present invention discloses a charge pump down circuit which comprises three capacitors operating in three time phases. In the first time phase, the total of the voltages across the three capacitors is equal to an input voltage; in the second time phase, the voltage across the second capacitor i ...


10
Tsung Wei Huang, Chih Ching Chen: Fluid injection head structure and method thereof. BenQ Corporation, Winston Hsu, November 9, 2004: US06814428 (4 worldwide citation)

A method for manufacturing a fluid injection head. The fluid injection head structure is formed on a substrate and has a manifold therein, bubble generators, a conductive trace, and at least two rows of chambers adjacent to the manifold in flow communication with the manifold. The conductive trace d ...