[특허]Magnetic fingerprint for secure document authentication

[미국특허] Magnetic fingerprint for secure document authentication 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B42D-015/10
출원번호	US-0426388 (1995-04-21)
발명자 / 주소	Jeffers Frederick J. (Escondido CA)
출원인 / 주소	Eastman Kodak Company (Rochester NY 02)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

A magnetic fingerprint image is implemented by having the user coat his finger tip with a magnetic powder and transferring the powder particles to the document surface. The magnetic fingerprint image is then covered by a thin, non-removable, plastic film that is optically opaque but is magnetically transparent. The print is scannable by a magnetic head whose output signal consists of a sequence of electrical waveforms characteristic of the ridges and depressions that define the fingerprint. The fingerprint image may be angularly rotated about an axis perpendicular to the plane of the print prior to fixing the fingerprint image onto the document. Because the image is covered by the opaque film, the outside observer cannot determine the angular orientation of the image relative to the document edge. A magnetically encoded “address”readable by the scanning magnetic head before it reads the magnetic fingerprint itself, informs the scanning apparatus of the fingerprint angular orientation. By means of this information, the magnetic head is rotated through the proper angle so that it is correctly oriented relative to the image before scanning the image, or an angularly fixed magnetic head may scan the rotated image to obtain “scrambled”fingerprint data. This data is converted to digital values, the digital values are stored, and then a computation, taking into consideration the angular position of the read fingerprint image, is performed transforming the “scrambled”values back into to their normal values for comparison with the data derived from the user\s actual fingerprint.

대표청구항 ▼

A personal identification document comprising: a) a medium comprising said document, b) means for obtaining a magnetic image of a personal fingerprint, said magnetic image having a fingerprint axis along the direction of the finger related to said magnetic image, c) means for rotating the fingerprint axis of said magnetic image by an angle relative to a fixed direction in said medium, wherein a rotated magnetic image relative to said fixed direction is obtained, d) means for incorporating said rotated magnetic image on said medium, e) means for incorporating magnetically recorded information on said medium, said recorded information specifying the magnitude of said angle, and f) means for covering said magnetic image and said magnetically recorded information, wherein said means for covering is optically opaque and magnetically transparent.

이 특허를 인용한 특허 (24) 인용/피인용 타임라인 분석

Schmitt John C. ; Setlak Dale R., Access control system including fingerprint sensor enrollment and associated methods.
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Manthei,Donald James, Apparatus configured for illuminating paper-based forms of payment and cash register comprising same.
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Bardwell, William E., Biometric identification system using biometric images and personal identification number stored on a magnetic stripe and associated methods.
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Webb Lisa ; Faenza ; Jr. William J. ; Lasch Ellen ; Vigiletti Judy, Card with a blue ornamental rectangle.
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Faenza ; Jr. William J. ; Lasch Ellen ; Webb Lisa ; Vigiletti Judy, Card with an ornamental rectangle.
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Webb Lisa ; Faenza ; Jr. William J. ; Lasch Ellen ; Vigiletti Judy, Card with an ornamental rectangle.
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Webb Lisa ; Faenza ; Jr. William J. ; Lasch Ellen ; Vigiletti Judy, Card with an ornamental rectangle and a machine readable stripe.
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Webb Lisa ; Faenza ; Jr. William J. ; Lasch Ellen ; Vigiletti Judy, Card with an ornamental rectangle and exhibiting an opacity gradient.
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Setlak Dale R. ; Van Vonno Nicolaas W. ; Lowther Rex ; Gebauer Dave, Electric field fingerprint sensor having enhanced features and related methods.
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Goodman,Cathryn E.; Lill,Mark; Bavarian,Behnam, Fingerprint based smartcard.
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Salatino Matthew M. ; Setlak Dale R. ; Newton Mike ; Adkins Cal ; Van Vanno Nicolaas W., Fingerprint sensor and token reader and associated methods.
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Salatino Matthew M. ; Setlak Dale R. ; Newton Mike ; Adkins Cal ; Van Vanno Nicolaas W., Fingerprint sensor and token reader and associated methods.
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Setlak Dale ; Gebauer Dave, Fingerprint sensor having filtering and power conserving features and related methods.
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Setlak Dale R., Fingerprint sensor having spoof reduction features and related methods.
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Setlak Dale R. ; Van Vonno Nicolass W. ; Newton Mike ; Salatino Matthew M., Fingerprint sensor including an anisotropic dielectric coating and associated methods.
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Setlak Dale R. ; Cornett John ; Kilgore Brian ; Williams Daryl ; Gebauer Dave, Fingerprint sensor with gain control features and associated methods.
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Saint, Andr? M.; Attia, Omar S., Laser imageable RFID label/tag.
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Schmitt John C. ; Setlak Dale R., Machine including vibration and shock resistant fingerprint sensor and related methods.
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Hong,Di An; Mok,Swee Mean; Mathew,Tom, Method and apparatus for biometric control of display indicator.
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Diamond Robert I., Negotiable document having enhanced security for deterring fraud by use of a thermochromatic fingerprint image.
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Diamond Robert I., Negotiable document having enhanced security for deterring generation of copies by use of thermochromatic ink.
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Schmitt John C. ; Setlak Dale R., Portable telecommunication device including a fingerprint sensor and related methods.
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Mullen, Joseph, Thief marker.
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Kanevsky, Dimitri; Talapin, Dmitri V., Verification of a biometric identification.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Magnetic fingerprint for secure document authentication 원문보기