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Yimin DING
Meng Qingyun, Ding Yimin, Sheng Jinggang, Huang Jinhuang, Xu Lei: A demodulation method and device for non contact ic card load modulation data. Beijing Tongfang Microelectronics, May 28, 2008: CN200610114557

A demodulation method and a device thereof for modulation data of non-contact IC card loads relate to the technical field of IC cards. The device of the invention comprises an A/D converter and a threshold decision device. A simulation signal is input by the A/D converter, and the threshold decision ...


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Yimin DING
Ding Yimin, Huo Junjie, Meng Qingyun, Sheng Jinggang, Tai Xiaopeng: Near field communication radio frequency interface integrated circuit. Beijing Tongfang Microelectronics, June 16, 2010: CN200810226290

The invention provides a near field communication radio frequency interface integrated circuit and relates to the technical field of near field communication (NFC). The integrated circuit comprises a reader-writer transmission circuit, a RFID power circuit, a transmission/receive antenna and an ante ...


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Yimin DING
Meng Qingyun, Wang Qiang, Ding Yimin, Wang Kun, Xu Lei: Modulation circuit for non-contact ic card reading apparatus. Beijing Tsinghua Tongfang Microelectronics Co, September 6, 2006: CN200510008785

The related circuit comprises a reference voltage unit and a compensation modulation unit connected serially and powered by the input voltage. Compared with prior art, this invention has high testing efficiency and well real-time.


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Yimin DING
Ding Yimin, Wang Kun, Meng Qingyun, Wang Qiang, Xu Lei: Power management circuit for non-contact ic card reading apparatus. Beijing Tsinghua Tongfang Microelectronics Co, September 6, 2006: CN200510008784

The related management circuit comprises: a management unit for input power and voltage, a reference control unit, and a separation unit connected serially and powered by input power. Compared with prior art, this invention has high testing efficiency and well real-time.


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Yimin DING
Wang Lijian, Feng Jing, Yuan Li, Wang Qiang, Wang Kun, Meng Qingyun, Ding Yimin, Geng Li, Wang Wenfeng: Detecting method used for second generation resident identification card and equipment thereof. Electronics Standardization Association Of Ministry Of Information, January 23, 2008: CN200610089779

A detection method and device for second generation ID card are provided, which relates to non-touch IC card technology in microelectronic field. The device in the invention, which comprises a main control circuit unit, a radiofrequency carrier frequency control unit, a radiofrequency fiend density ...


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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
Chen Zhen, Ding Yimin, Wang Kun, Meng Qingyun, Xu Lei, Wang Qiang: Interface for intelligent card simulative debugging system. Beijing Tsinghua Tongfang Microelectronics Co, October 4, 2006: CN200510011518

The interface for intelligent card simulation and debug system comprises: an address wire 1/2 from control/simulation units, a data wire 1/2 for dual-way communication with control/ simulation unit, a clock input wire 1/2 from control/simulation unit, one write register set with clock as the control ...



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