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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Fingerprint sensor including an anisotropic dielectric coating and associated methods

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06K-009/00   
미국특허분류(USC) 38/2124 ; 38/211.6
출원번호 US-0858005 (1997-05-16)
발명자 / 주소
  • Setlak Dale R.
  • Van Vonno Nicolass W.
  • Newton Mike
  • Salatino Matthew M.
출원인 / 주소
  • Authentec, Inc.
대리인 / 주소
    Allem,. Dyer, Doppelt, Milbrath & Gilchrist, P.A.
인용정보 피인용 횟수 : 76  인용 특허 : 34
초록
▼

A fingerprint sensor includes an integrated circuit die and a protective covering of a z-axis anisotropic dielectric material. The die includes a conductive layer defining an array of electric field sensing electrodes. The z-axis anisotropic dielectric layer focusses an electric field at each of the electric field sensing electrodes. In other words, the dielectric covering may be relatively thick, but not result in defocussing of the electric fields propagating through the dielectric covering because of the z-axis anisotropy of the material. The z-axis a...

대표
청구항
▼

[ That which is claimed is:] [1.] A fingerprint sensor comprising:an integrated circuit die comprising at least one conductive layer defining an array of electric field sensing electrodes for sensing a fingerprint; anda dielectric covering adjacent the array of electric field sensing electrodes of said integrated circuit die and for contact by a finger, said dielectric covering comprising a z-axis anisotropic dielectric layer for focussing an electric field at each of the electric field sensing electrodes, the z-axis being normal to the at least one cond...

이 특허에 인용된 특허 (34)

  1. Gokcebay Asil T. (San Francisco CA), Access control system with mechanical keys which store data.
  2. Gullman Lawrence S. (Lahonda CA) Edwards Eric (Menlo Park CA) Fast Norman (Newton MA), Biometric token for authorizing access to a host system.
  3. Tsikos Constantine (Pennsauken NJ), Capacitive fingerprint sensor.
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  6. Tomko George J. (East York CAX) Soutar Colin (Toronto CAX) Schmidt Gregory J. (Toronto CAX), Fingerprint controlled public key cryptographic system.
  7. Knapp Alan G. (Crawley GB2), Fingerprint sensing device and recognition system having predetermined electrode activation.
  8. Swonger Claron W. (Elma NY) Bowers Dan M. (Fairfield CT) Stock Robert M. (Severna Park MD), Fingerprint-based access control and identification apparatus.
  9. Engel Elton D. (34005 LaMoyne Livonia MI 48154), Identification card, sensor, and system.
  10. Jeffers Frederick J. (Escondido CA), Magnetic fingerprint for secure document authentication.
  11. Hosokawa Minoru (Suwa JPX), Magnetic recording medium.
  12. Takagi Hiroshi (Yokohama JPX) Hashimoto Morimi (Wako JPX) Saito Nobuyuki (Yokohama JPX) Suzuki Kenji (Yokohama JPX), Magnetic recording medium.
  13. Takagi Hiroshi (Yokohama JPX) Hashimoto Morimi (Wako JPX) Saito Nobuyuki (Yokohama JPX) Suzuki Kenji (Yokohama JPX), Magnetic recording medium.
  14. Ikenaga Yukio (Fuji JPX) Takahashi Katsuhiko (Fuji JPX) Okada Tsuneyoshi (Kawasaki JPX) Hijikata Kenji (Fuji JPX) Kanoe Toshio (Fuji JPX), Metallic film with laminated layer of an anisotropic melt phase forming polymer.
  15. Abtahi Nooral S. (4924 Carmel Rd. Charlotte NC 28226) Shumate ; Sr. Grady C. (Charlotte NC) Heyward Waddie (Charlotte NC) Yang Hedong (Charlotte NC), Method and apparatus for confirming the identity of an individual presenting an identification card.
  16. Kuhns, Roger J., Method for thwarting forgery of fingerprint-bearing identification media.
  17. Lorenze ; Jr. Robert V. (Webster NY), Method of delineating thin film magnetic head arrays.
  18. Kuhns Roger J. (Tower Rd. Lincoln MA 01773) Nathans Robert L. (36 Stag Dr. Billerica MA 01821), Method of reducing fraud in connection with employment, public license applications, social security, food stamps, welfa.
  19. Fishbine Glenn M. (Eden Praire MN) Ransom Mark S. (Minneapolis MN) Germann Daniel E. (Minneapolis MN), Methods for digitally noise averaging and illumination equalizing fingerprint images.
  20. Gagne Patricia C. (Coventry RI) Puterko Carol M. (Coventry RI), Non-minutiae automatic fingerprint identification system and methods.
  21. Ishizaka Yasuo (Yokohama JPX) Watanabe Noboru (Yokohama JPX) Kimura Kazuo (Yokohama JPX) Imaoka Eiichiro (Sagamihara JPX), Perpendicular magnetic recording medium.
  22. Nakamura Hiroki (Kawasaki JPX) Yamada Takashi (Yokohama JPX) Ouchi Yoshiaki (Yokohama JPX), Perpendicular magnetic recording medium.
  23. Mizoguchi Tetsuhiko (Yokohama JPX) Sato Toshiro (Yokohama JPX) Sahashi Masashi (Yokohama JPX) Hasegawa Michio (Yokohama JPX) Tomita Hiroshi (Tokyo JPX) Sawabe Atsuhito (Yokosuka JPX), Planar magnetic element.
  24. Rios Arturo M. (St. Petersburg FL) Palermiti Michael (Palm Bay FL), Portable fingerprint detection method and device.
  25. Fishbine Glenn M. (Eden Prairie MN) Withoff Robert J. (Minnetonka MN), Portable fingerprint scanning apparatus for identification verification.
  26. Fishbine Glenn M. (Eden Prairie MN) Withoff Robert J. (Minnetonka MN) Klein Theodore D. (Mound MN), Portable fingerprint scanning apparatus for identification verification.
  27. Johnson Neldon P. (512 S. 860 East American Fork UT 84003), Process for encrypting a fingerprint onto an I.D. card.
  28. Nakamura Shigeo,JPX ; Oshimura Masahiko,JPX ; Mori Kenichi,JPX ; Yokota Tadahiko,JPX ; Koto Hiroyasu,JPX, Resin composition.
  29. Ferraro Michael P. (96 Westminster St. New Haven CT 06513), Safe for loaded hand gun.
  30. Adams Heiko B. (111 W. Main St. ; apt. 2 Morehead KY 40351), Safety trigger.
  31. Lane William F. (Wilson NC), Self-authenticating identification card with fingerprint identification.
  32. Sime Iain R. F. (Tayside GB6), System and method for detecting user fraud in automated teller machine transactions.
  33. Bogosian ; Jr. Charles A. (Warwick RI), System for verifying use of a credit/identification card including recording of physical attributes of unauthorized user.
  34. Piosenka Gerald V. (Scottsdale AZ) Chandos Ronald V. (Tempe AZ), Unforgeable personal identification system.

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  2. Benkley, III, Fred G., Biometric image sensing.
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  17. Hotelling, Steven P.; Bussat, Jean-Marie; Lyon, Benjamin B., Capacitive sensing array modulation.
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  25. Gupta,Bhusan; Kramer,Alan, Command interface using fingerprint sensor input system.
  26. Ganapathi, Srinivasan Kodaganallur; Buchan, Nicholas Ian; Burns, David William; Smith, Thad William; Opris, Ion Elinor, Controller architecture for combination touch, handwriting and fingerprint sensor.
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  29. Setlak, Dale R.; Gozzini, Giovanni; Subert, Martin; Kohout, Petr; Mrazek, Pavel, Electronic device including blurred finger image deblurring circuitry and related methods.
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  32. Setlak, Dale R.; Gozzini, Giovanni, Electronic device including device ground coupled finger coupling electrode and array shielding electrode and related methods.
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  34. Boshra, Michael; Minteer, Gregory T., Electronic device including movement based artifact removal and related methods.
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  73. Russo, Anthony P.; Weigand, David L., System for and method of generating rotational inputs.
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