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Optical pattern recognition system and method for verifying the authenticity of a person, product or thing 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-027/46
  • G06K-009/76
  • G06K-009/74
출원번호 US-0127651 (1993-09-14)
발명자 / 주소
  • Horner Joseph L. (Belmont MA) Javidi Bahram (Storrs CT) Walkup John F. (Lubbock TX)
출원인 / 주소
  • The United States of America as represented by the Secretary of the Air Force (Washington DC 06)
인용정보 피인용 횟수 : 101  인용 특허 : 0

초록 ▼

A method of verifying the authenticity of an object is disclosed preferrably employing a joint transform coherent optical processor. An unreadable and hence non-counterfeitable phase mask is coupled to the object and the optical processor compares the phase mask with a reference phase mask having th

대표청구항 ▼

A method of verifying the authenticity of an object comprising the steps of: (a) associating an object related phase mask having invisible phase encoding thereon with said object; and (b) comparing said object related phase mask with a reference phase mask in a coherent optical processor, said refer

이 특허를 인용한 특허 (101)

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