1
Dongsheng Zhang: Wave transformation method and device. Morgan & Finnegan, January 31, 2006: US06992907 (14 worldwide citation)

The present invention relates a waveform transformation method and apparatus. It uses multilevel transformation module in series, and the output voltages of power modules at all levels are superposed to get the total output voltage, whereas each power transformation module realizes AC-to-AC direct c ...


2
Zhijian Li, Xinyu Zheng, Litian Liu, Dongsheng Zhang: Magnetic-field sensor with split-drain MOSFETS. United Microelectronics, Townsend and Townsend and Crew, February 6, 1996: US05489846 (9 worldwide citation)

A magnetic-field sensor has an array of split-drain transistors connected in parallel, each having a first, a second, and a third drain electrode, and a negative reference current generating transistor. A biasing circuit is utilized to bias the split-drain transistors in the saturated state, and to ...


3
Xuewu Wang, Yinong Liu, Zhiqiang Chen, Yaohong Liu, Huaqiang Zhong, Dongsheng Zhang, Yumei Chen, Feng Gao: Energy spectrum modulation apparatus, material discrimination method and device, image processing method. Tsinghu University, Nuctech Company, Westman Champlin & Kelly P A, April 20, 2010: US07702075 (7 worldwide citation)

Disclosed are an energy spectrum modulation apparatus, a material discrimination method and a device thereof, as well as an image processing method are disclosed, which can discriminate the material in large- and medium-sized objects such as cargo containers, air cargo containers, etc. by using X-ra ...


4
Kejun Kang, Huayi Zhang, Zhiqiang Chen, Yuanjing Li, Chuanxiang Tang, Yaohong Liu, Huaibi Chen, Huaping Tang, Nan Jiang, Dongsheng Zhang, Yu He, Feng Gao, Weiqiang Guan, Jian Li, Yanfeng Cao: Mobile electron beam radiation sterilizing apparatus. Tsinghua University, Nuctech Company, Osha • Liang, December 1, 2009: US07626186 (3 worldwide citation)

A mobile electron beam radiation sterilizing apparatus includes a movable chassis vehicle; a cabinet body installed on the chassis vehicle; an electron accelerator, which generates electron beam for articles to be radiation-processed, wherein the electron accelerator is provided in the cabinet body; ...


5
Dongsheng Zhang, Ajit Gaunekar, Gang Ou: Robotic arm driving mechanism. ASM Technology Singapore, Ostrolenk Faber, July 12, 2011: US07975568 (3 worldwide citation)

A robotic arm assembly is provided comprising a driving mechanism including a rotor which is rotatable relative to a stator. The rotor is coaxially rotatable about a columnar shaft having a substantially hollow central longitudinal axis. A first arm having proximal and distal pivotal ends is rigidly ...


6
Yaohong Liu, Huaping Tang, Xinshui Yan, Jianjun Gao, Feng Gao, Dongsheng Zhang, Xiaotian Liang, De Wei, Jinsheng Liu, Wei Jia, Wei Yin, Dan Zhang, Chong Gu, Qinghui Zhang: Irradiating device and method for controlling the same. Nuctech Company, Tsinghua University, Price Heneveld Cooper DeWitt & Litton, April 13, 2010: US07696488 (2 worldwide citation)

An irradiating device and a method for controlling it are provided. The device comprises an electron accelerator and a scanning box connected to the electron accelerator, wherein the scanning box is provided with a target, an electron beam exit window positioned at left or right side of the target a ...


7
Yohei Yamazawa, Manabu Iwata, Chishio Koshimizu, Fumihiko Higuchi, Akitaka Shimizu, Asao Yamashita, Nobuhiro Iwama, Tsutomu Higashiura, Dongsheng Zhang, Michiko Nakaya, Norikazu Murakami: Plasma processing apparatus. Tokyo Electron, Oblon Spivak McClelland Maier & Neustadt P C, May 5, 2009: US07527016 (1 worldwide citation)

An apparatus, which performs a plasma process on a target substrate by using plasma, includes first and second electrodes in a process chamber to oppose each other. An RF field, which turns a process gas into plasma by excitation, is formed between the first and second electrodes. An RF power supply ...


8
Dongsheng Zhang: Device for feeding back power. New Energy Power Company, Harrity & Harrity, December 3, 2013: US08599584 (1 worldwide citation)

The present invention relates to a power feedback device, including: an AC input power source, which is three-phase or multi-phase AC, or three-phase or multi-phase AC in which the output terminal is connected in series with an inductor, for generating power; a plurality of power converting units, t ...


9
Yohei Yamazawa, Manabu Iwata, Chishio Koshimizu, Fumihiko Higuchi, Akitaka Shimizu, Asao Yamashita, Nobuhiro Iwama, Tsutomu Higashiura, DongSheng Zhang, Michiko Nakaya, Norikazu Murakami: Plasma processing apparatus. Tokyo Electron, Oblon Spivak McClelland Maier & Neustadt L, August 28, 2012: US08251011

An apparatus, which performs a plasma process on a target substrate by using plasma, includes first and second electrodes in a process chamber to oppose each other. An RF field, which turns a process gas into plasma by excitation, is formed between the first and second electrodes. An RF power supply ...


10
Dongsheng Zhang, Eugene W Lee: Power control in an optical network unit. Cortina Systems, Amin Turocy & Watson, April 15, 2014: US08699885

There are disclosed techniques for power control in an Optical Network Unit (ONU) of a Passive Optical Network (PON). In one embodiment, the supply of power to an optical transmitter is controlled in accordance with information defining a plurality of transmission windows during which data can be tr ...