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Zhou Baozhu: Colorful chain and manufacturing method thereof. Wang Jinnv, xujin guo lianghui, September 24, 2008: CN200710090902

The invention relates to a colorized chain and a manufacture method thereof. The manufacture method includes the following steps: diluting epoxy resin-based thermosetting polymer material with solvent to a preconcerted viscosity for obtaining epoxy coating; dipping the chain into the coating and mak ...


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Zhou Baozhu: Power supply device with adjustable switching frequency. Sitronix Technology, hu fuheng, November 10, 2010: CN201010145471

The invention discloses a power supply device with adjustable switching frequency. The power supply device comprises a control circuit used for controlling the switching frequency of the power supply device and a fixed-slope oscillation unit arranged in the control circuit. The power supply device o ...


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Zhou Baozhu: Power supply device capable of linearized frequency-hopping oscillation. Sitronix Technology, hu fuheng, November 10, 2010: CN201010145478

The invention discloses a power supply device capable of linearized frequency-hopping oscillation. The power supply device comprises a control circuit used for controlling the switching frequency of the power supply device and a linearized frequency-hopping oscillation unit arranged in the control c ...


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Guan Youan, Huang Qinghuo, Lai Zhiting, Xu Renjie, Yang Huicong, Zhang Fengren, Zhong Zhixiang, Zhou Baozhu: Power conversion device. Sitronix Technology, shou ning zhang huahui, September 8, 2010: CN201010149642

The invention relates to a power conversion device which comprises a transformer, a switch, a sensing circuit, a feedback circuit and a control circuit, wherein the transformer receives an input voltage and converts the input voltage to generate an output voltage; the switch is coupled with the tran ...


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Zhou Baozhu: High-voltage starting device of switching type power supply device. Sitronix Technology, zhang aiqun, May 4, 2011: CN201010570422

The invention discloses a high-voltage starting device of a switching type power supply device, which comprises a high-voltage starting circuit, a metal oxide semiconductor transistor, a voltage regulating unit and a transistor. The current of a power source is input to the metal oxide semiconductor ...