[특허]Keyless holographic lock

Keyless holographic lock 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-009/00 G06K-009/76
출원번호	US-0473890 (1990-02-02)
발명자 / 주소	Barbanell Joseph (Concord CA)
출원인 / 주소	DZ Company (Concord CA 02)
인용정보	피인용 횟수 : 69 인용 특허 : 0

초록 ▼

A keyless holographic locking device that uses a matched optical filter to store in form of a hologram a unique identificaton such as a fingerprint of an authorized user, a source of coherent light that provides the illumination, and an input element for providing angle-invariance possessing the form of a transparent window against which the user places and rotates the same fingerprint, and a registering device for registering the correlation optical signal between the stored fingerprint and the presented fingerprint to generate a signal to unlock the device when, and only if, a positive correlation exists between the presented and the stored fingerprints. A keyless two-stage holographic locking device, using a generalized matched optical filter wherein additional information for authorization is stored in a reference beam during the preparation of said filter, and wherein a second-stage optical correlation is also performed to register a second correlation between the stored additional information and a second identification presented by the user.

대표청구항 ▼

A keyless angular-invariant holographic lock capable of producing a command signal when a user presents an identification to the lock, wherein for angular invariancy the lock comprises: an input element, including a transparent window against which the user presents the identification and rotates it for angular alignment with a prestored identification previously stored in form of a Fourier-hologram; a matched optical filter upon which the prestored unique identification is stored in the form of said Fourier-hologram; a coherent light-source for illuminating said identification with a beam at said transparent window; means for projecting upon said optical matched filter a reflected coherent beam from the window, said reflected coherent beam having been encoded by said identification at the window; and optical means for registering a correlation signal, wherein the correlation signal is formed during optical comparison of the pre-stored identification with the presented identification during rotation of the presented identification, and for generating the command signal only when the correlation signal is unambiguously present, wherein the correlation signal is a first-stage correlation signal, and further comprising: a second transparent window upon which the user presents a second identification; a lid, rotatably attached to said second window and possessing a mirrored layer; means for pre-storing a second unique identification in said matched optical filter, wherein the matched optical filter is represented in the form of a generalized hologram; and means for registering a second-stage correlation optical signal formed in the process of comparing the first-stage correlation signal from the matched optical filter with the presented second identification, and for forming the command signal only when the second-stage correlation optical signal is unambiguously present.

이 특허를 인용한 특허 (69)

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Tomko George J.,CAX ; Stoianov Alexei,CAX, Holographic method for encrypting and decrypting information using a fingerprint.
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Kersey, Alan; Moon, John A.; Putnam, Martin A., Holographically encoded elements for microarray and other tagging labeling applications, and method and apparatus for making and reading the same.
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Moon, John A.; Kersey, Alan D.; Putnam, Martin A.; Li, Tuo, Hybrid random bead/chip based microarray.
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Stephen J. Borza CA, Imaging device, especially for optical fingerprinting.
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Kersey,Alan D.; Moon,John A.; Putnam,Martin A., Lithographically fabricated holographic optical identification element.
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Carver,John F.; McClurg,George W., Live print scanner with holographic imaging a different magnifications.
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Carver,John F.; McClurg,George W., Live print scanner with holographic platen.
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Katz Joseph ; Swartz Jerome ; McGlynn Daniel R., Machine readable record carrier with hologram.
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Moon,John; Putnam,Martin A.; Li,Tuo; Traynor,Joseph, Method and apparatus for aligning microbeads in order to interrogate the same.
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Moon, John A.; Putnam, Martin A.; Kersey, Alan; Fournier, David; Pinto, Joseph, Method and apparatus for drug product tracking using encoded optical identification elements.
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Moon,John A.; Putnam,Martin A.; Kersey,Alan D.; Li,Tuo; Dunphy,James; Didden,F. Kevin, Method and apparatus for labeling using diffraction grating-based encoded optical identification elements.
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Moon, John A.; Putnam, Martin A.; Kersey, Alan D.; Szczepanek, Paul, Method and apparatus for labeling using optical identification elements characterized by X-ray diffraction.
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Putnam,Martin A.; Moon,John; Szczepanek,Paul S.; Li,Tuo; Rauseo,Anthony; Traynor,Joseph, Method of manufacturing of a diffraction grating-based optical identification element.
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Moon,John A.; Fournier,David R.; Putnam,Martin A.; Kersey,Alan D.; Li,Tuo, Optical reader for diffraction grating-based encoded optical identification elements.
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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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연합인증

Keyless holographic lock 원문보기

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Keyless holographic lock 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (69)

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