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Fingerprint sensor 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/00
출원번호 US-0170606 (1980-07-21)
발명자 / 주소
  • Ruell Hartwig (Mount Laurel NJ)
출원인 / 주소
  • Siemens Corporation (Iselin NJ 02)
인용정보 피인용 횟수 : 126  인용 특허 : 8

초록 ▼

The fingerprint sensor transforms the fingerprint information of a finger under investigation into an electric output signal. The sensor incorporates a contact device or sensor plate of a piezoelectric material. This sensor plate has a contact surface. The finger exercises a contact pressure thereon

대표청구항 ▼

A fingerprint sensor for transforming the fingerprint information of a finger under investigation into an electric output signal, comprising in combination: (a) a contact device containing a piezoelectric material, said contact device having surfaces including a contact surface for exercising a cont

이 특허에 인용된 특허 (8)

  1. Tsikos Constantine (Pennsauken NJ), Capacitive fingerprint sensor.
    상세보기
  2. Schiller Michael (4465 Douglas Ave. Riverdale NY 10471), Finger identification.
    상세보기
  3. DePalma ; Vito A. ; King ; Raymond W., Fingerprint identification system using a pliable optical prism.
    상세보기
  4. Ruell Hartwig (Mt. Laurel NJ), Fingerprint transducer and reading apparatus.
    상세보기
  5. Sear John F. (Northampton GB2) Garner Geoffrey M. (Northampton GB2), Piezoelectric transducer.
    상세보기
  6. Edelman Seymour (Silver Spring MD) Roth Steven C. (Fairfax VA) Mayo-Wells John F. (Mount Airy MD), Polymeric sensor of vibration and dynamic pressure.
    상세보기
  7. Tehon Stephen W. (Clay NY), Sonic transducer array.
    상세보기
  8. Ruell Hartwig (Mt. Laurel NJ) Feix Wolfgang (Mt. Laurel NJ), Transducer for fingerprints and apparatus for analyzing fingerprints.
    상세보기

이 특허를 인용한 특허 (126)

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    상세보기
  2. Burrows, Kenneth; Wiemer, Klaus C., Addressable ptf receptor for iradiated images.
    상세보기
  3. Arnaud Yves Lepert ; Danielle A. Thomas ; Antonio A. Do-Bento-Vieira, Apparatus and method for contacting a conductive layer.
    상세보기
  4. Lepert, Arnaud Yves; Thomas, Danielle A.; Do-Bento-Vieira, Antonio A., Apparatus and method for contacting a conductive layer.
    상세보기
  5. Lepert Arnaud Yves ; Thomas Danielle A. ; Do-Bento-Vieira Antonio A., Apparatus and method for contacting a sensor conductive layer.
    상세보기
  6. Keagy, John M.; Pinkhasik, Naum; Muzil, Alexander, Apparatus and method for electronically acquiring fingerprint image with low cost removable platen and separate imaging device.
    상세보기
  7. Taylor Kenneth E. (Champaign IL) Glickman Jeff B. (Champaign IL), Apparatus and method for matching image characteristics such as fingerprint minutiae.
    상세보기
  8. Kim,Wonchan, Apparatus and method for sensing the degree and touch strength of a human body on a sensor.
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  68. Miyasaka, Mitsutoshi, Identity authentication device and fingerprint sensor.
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