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Non-contact IC card and method of using the same 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0762364 (1991-09-19)
우선권정보 JP-0247239 (1990-09-19)
발명자 / 주소
  • Takahira Kenichi (Itami JPX) Fujioka Shuzo (Itami JPX)
출원인 / 주소
  • Mitsubishi Denki Kabushiki Kaisha (Tokyo JPX 03)
인용정보 피인용 횟수 : 35  인용 특허 : 0

초록

A non-contact IC card includes an antenna by which data is sent and received without contact, first and second demodulators that demodulate signals received by the antenna, interrupt device interrupts a current flow for operating the first demodulator, a control device selects one of the first and s

대표청구항

A non-contact IC card comprising: antenna means by which data is sent and received without contact; first and second demodulation means for demodulating signals received by said antenna means; interrupt means for interrupting a current flow operating said first demodulation means; control means for

이 특허를 인용한 특허 (35)

  1. Fujioka Shuzo,JPX, Antenna for non-contact IC card gate facility.
  2. Fujioka Shuzo,JPX, Apparatus for electromagnetic communication between a computer and a non-contact IC card.
  3. Mark Andrew R., Auto-dialer housing.
  4. Allen Steven Pater ; Yip William Chunhung, Balanced differential radio receiver and method of operation.
  5. Nakane, Joji; Sumi, Tatsumi, Contactless IC card for preventing incorrect data recovery in demodulation of an amplitude-modulated carrier wave.
  6. Daniel A. Henderson ; Darren Townsley, Dialer programming and device with integrated printing process.
  7. Henderson Daniel A. ; Townsley Darren, Dialer programming system and device with integrated printing process.
  8. Shigemasa, Haruhiko; Nakao, Yoshihiro, Electromagnetic coupling characteristic adjustment method in non-contact power supply system, power supply device, and non-contact power supply system.
  9. Mark Andrew R., Information storage device for storing personal identification information.
  10. Tuttle, Mark E.; Lake, Rickie C.; Schicht, Steven F.; Tuttle, John R., Method and apparatus for RFID communication.
  11. Tuttle, Mark E.; Lake, Rickie C.; Schicht, Steven F.; Tuttle, John R., Method and apparatus for RFID communication.
  12. Tuttle, Mark E.; Lake, Rickie C.; Schicht, Steven F.; Tuttle, John R., Method and apparatus for RFID communication.
  13. Tuttle, Mark E.; Lake, Rickie C.; Schicht, Steven F.; Tuttle, John R., Method and apparatus for communicating with RFID devices coupled to a roll of flexible material.
  14. Mark Andrew R. (205 W. End Ave. New York NY 10023), Method and apparatus for the secure communication of data.
  15. Mark Andrew R., Method and system for compensating for signal deviations in tone signals over a transmission channel.
  16. Mark Andrew R., Method and system for generation of tone signals over a transmission channel.
  17. Mark Andrew R., Method and system for the secure communication of data.
  18. Fujioka Shuzo (Itami JPX), Non-contact IC card and non-contact IC card reader/writer.
  19. Ohbuchi Jun (Itami JPX) Furuta Shigeru (Itami JPX) Washida Tetsuro (Itami JPX), Non-contact IC card communicating at multiple frequencies.
  20. Takahira Kenichi (Itami JPX) Hayamizu Koichi (Itami JPX), Noncontact IC card interface unit and communication system using the interface unit.
  21. Suga Takashi,JPX ; Hayashi Yoshihiko,JPX ; Yoshino Ryouzou,JPX ; Nagai Kenji,JPX, Power transmission system IC card and information communication system using IC card.
  22. Takashi Suga JP; Yoshihiko Hayashi JP; Ryouzou Yoshino JP; Kenji Nagai JP, Power transmission system, IC card and information communication system using IC card.
  23. Moore, Scott E., RFID material tracking method and apparatus.
  24. Moore, Scott E., RFID material tracking method and apparatus.
  25. Moore, Scott E., RFID material tracking method and apparatus.
  26. Moore, Scott E., RFID material tracking method and apparatus.
  27. Mark Andrew R., System and method for selecting and generating telephone access numbers for limiting access to a telephone service.
  28. Mark Andrew R., System and method using personal identification numbers and associated prompts for controlling unauthorized use of a se.
  29. Mark E. Tuttle, Testing and burn-in of IC chips using radio frequency transmission.
  30. Tuttle Mark E., Testing and burn-in of IC chips using radio frequency transmission.
  31. Akram Salman, Testing system for evaluating integrated circuits, a burn-in testing system, and a method for testing an integrated circuit.
  32. Akram Salman, Testing system for evaluating integrated circuits, a burn-in testing system, and a method for testing an integrated circuit.
  33. Salman Akram, Testing system for evaluating integrated circuits, a burn-in testing system, and a method for testing an integrated circuit.
  34. Akram, Salman, Testing system for evaluating integrated circuits, a testing system, and a method for testing an integrated circuit.
  35. Salman Akram, Testing system for evaluating integrated circuits, a testing system, and a method for testing an integrated circuit.
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