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Yimin DING
Huo Junjie, Tai Xiaopeng, Huang Jinhuang, Ding Yimin, Song Yi: Multi-protocol self-adaption selection circuit used for non-contact type smart card. Beijing Tongfang Microelectronics, October 31, 2012: CN201110106801

A multi-protocol self-adaption selection circuit used for a non-contact type smart card belongs to the technical field of a non-contact type smart card. According to the multi-protocol self-adaption selection circuit, a resonant circuit is respectively connected with a demodulator and decoder with a ...


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Yimin DING
Ding Yimin, Song Yi, Wang Qiang, Wang Qinglin, Meng Qingyun, Zou Zhongren: Intelligent cipher key for voice recognition of online transaction. Beijing Tongfang Microelectronics, August 29, 2012: CN201110045593

The invention provides an intelligent cipher key for voice recognition of online transaction and relates to the field of bank payment. The intelligent cipher key comprises a main control chip and a display circuit, wherein the main control chip can store enciphered/decrypted information and sensitiv ...


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Yimin DING
Ding Yimin, Song Yi, Jia Min, Meng Qingyun, Zou Zhongren, Wang Qiang, Wang Qinglin: Safety terminal device for mobile payment. Beijing Tongfang Microelectronics, July 11, 2012: CN201010598279

A safety terminal device for mobile payment relates to the technical scheme of mobile payment. In one technical scheme, a power source element PE, a safety element SE, an input element IE, a display element DE and a wireless communication element WE are respectively connected with a control element ...


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Yimin DING
Yue Chao, Sheng Jinggang, Yao Jinke, Fan Minghao, Huo Junjie, Ding Yimin, Song Yi: Chip-scale latch-up over-current protection circuit independent of power supply module. Beijing Tongfang Microelectronics, August 29, 2012: CN201110045697

A chip-scale latch-up over-current protection circuit independent of a power supply module relates to the field of integrated circuits and comprises a heavy current switching module, an equal-proportion current detection module, a judgment module and a self-start module, wherein a power supply PAD i ...


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Yimin DING
DING YIMIN, SONG YI, HUANG JUN, WANG QIANG, YANG HUIFENG, YANG SONG, CHEN ZHEN: [ZH] 一种用于电子动态口令的集成电路结构, [EN] Integrated circuit structure for electronic dynamic passwords. BEIJING TONGFANG MICROELECTRONICS, August 27, 2014: CN107357861

[EN] The invention discloses an integrated circuit structure for electronic dynamic passwords and relates to the technical field of Internet banking. The integrated circuit structure comprises a master control unit, and a real-time clock unit, an input-output unit, a cipher operation and storage uni ...


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Chun Kai Derrick Wei, Kuan Yeu Chen, Hung I Wang, Song Yi Lin: DC power converter and mode-switching method. MStar Semiconductor, WPAT PC, Justin King, December 27, 2011: US08085013 (75 worldwide citation)

A DC converter and a mode-switching method used in an electronic apparatus are included. The electronic apparatus includes a subsystem circuit. The DC power converter comprises a first voltage converting circuit electrically connected to the subsystem circuit, receiving a system voltage and a first ...


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Ta yung Yang, Chern Lin Chen, Jenn yu G Lin, Song Yi Lin: Flyback power converter having a constant voltage and a constant current output under primary-side PWM control. System General, J C Patents, March 1, 2005: US06862194 (61 worldwide citation)

A primary-side flyback power converter supplies a constant voltage and a constant current output. To generate a well-regulated output voltage under varying load conditions, the power converter includes a PWM controller. The PWM controller generates a PWM signal to control a switching transistor in r ...



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