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Card recording medium, certifying method and apparatus for the recording medium, forming system for recording medium, enciphering system, decoder therefor, and recording medium 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-019/06
출원번호 US-0975057 (1997-11-20)
우선권정보 JP-0020602 (1997-02-03)
발명자 / 주소
  • Takai Kazuhito,JPX
  • Fujihara Shiro,JPX
출원인 / 주소
  • NEC Corporation, JPX
대리인 / 주소
    Foley & Lardner
인용정보 피인용 횟수 : 142  인용 특허 : 0

초록 ▼

In a card type recording medium containing a data area where data containing ID information of a holder are recorded, and an image area where image data are recorded, in the image area are recorded second image data which are generated by transforming first image data specifying the holder to freque

대표청구항 ▼

[ What is claimed is:] [1.] A card recording medium comprising:a data area where data containing ID information of a holder are recorded; andan image area where image data are recorded;wherein contents in the image area are recorded second image data which are generated by transforming first image d

이 특허를 인용한 특허 (142)

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