[특허]Data carrier having an optical authenticity feature and methods for producing and testing said data carrier

Data carrier having an optical authenticity feature and methods for producing and testing said data carrier 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B42D-015/00
출원번호	US-0918921 (1986-10-15)
우선권정보	DE-3536739 (1985-10-15)
발명자 / 주소	Becker Wolfgang (Neubiberg DEX) Hierweger Alexander (Rottach-Egern DEX) Merkle Hansjrgen (Munich DEX) Lob Erwin (Munich DEX) Lass Joseph (Munich DEX) Kaule Wittich (Emmering DEX)
출원인 / 주소	GAO Gesellschaft fur Automation und Organisation mbH (Munich DEX 03)
인용정보	피인용 횟수 : 202 인용 특허 : 0

초록 ▼

The present invention relates to a data carrier (identification card, bank card, credit card, etc.) in which information is provided in an inner volume area by means of a laser beam, the information being visible in the form of changes in the optical properties of the carrier material due to an irre

대표청구항 ▼

A data carrier in which information is provided by means of a laser beam in an inside volume area, said information being visible in the form of changes in the optical properties due to an irreversible change of material caused by the laser beam, characterized in that the data carrier contains at least one transparent synthetic layer (7) which is provided at least in one area with a surface relief in the form of a lenticular screen (15), in that at least part of the information provided by the laser beam is provided through this lenticular screen, in that the change in the optical properties is limited to areas (pixels) whose radial extent is smaller than the diameter of an individual lens, so that they are only visible in very limited angle ranges due to the optical effect of the lenses, and in that pieces of information which belong together and extend over the lenticular screen area, and are recorded using laser beams from a very limited angle range, can then be read and/or detected by measuring techniques in the very limited angle range. A method for providing information in a data carrier comprising a carrier layer and a transparent synthetic layer, by means of a laser beam, characterized in that the transparent synthetic layer is provided at least in one area with a surface relief in the form of a lenticular screen at least part of the information is provided by the laser beam through the lenticular screen at a predetermined angle, whereby the laser beam causes an irreversible, optically recognizable change in an inside volume area of the data carrier, and this change is limited to an area narrower than the lens diameter so that this information can only be read out again in very limited angle ranges corresponding substantially to the angle ranges at which the information was provided by the laser beam. A method for testing a data carrier in which information is provided by means of a laser beam in an inside volume area, said information begin visible in the form of changes in the optical properties due to an irreversible change of material caused by the laser beam wherein the data carrier containing at least one transparent synthetic layer which is provided at least in one area with a surface relief in the form of a lenticular screen, at least part of the information provided by the laser beam is provided through this lenticular screen, the change in the optical properties is limited to areas (pixels) whose radial extent is smaller than the diameter of an individual lens, so that they are only visible in very limited angle ranges due to the optical effect of the lenses, and pieces of information which belong together and extend over the lenticular screen area, and which are recorded using laser beams from a very limited angle range, can then be read and/or detected by measuring techniques in the very limited angle range, characterized in that the data carrier is illuminated in the area of the lenticular screen in different angle ranges, the light remitted from the data carrier area in which the lenticular screen is located is evaluated by a plurality of detectors each of which detects light only in one certain angle range, the signals obtained from the detectors are fed to a data processing means, processed there and compared with stored values.

이 특허를 인용한 특허 (202)

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Bravenec, Daniel W.; Marsh, Gary C., Telephone card or the like using lenticular lens material.
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Jones, Robert L.; Kenen, Leo M., Three dimensional data storage.
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Bloomberg, Bentley; Jones, Robert L., Use of pearlescent and other pigments to create a security document.
상세보기
Bloomberg,Bentley; Jones,Robert L., Use of pearlescent and other pigments to create a security document.
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Brooks, Brian E.; Smithson, Robert L. W.; Casner, Glenn E., User interface including composite images that float.
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Geoffrey B. Rhoads, Video copy-control with plural embedded signals.
상세보기
Rhoads Geoffrey B., Video steganography.
상세보기
Rhoads,Geoffrey B., Video steganography.
상세보기
Geoffrey B. Rhoads ; Ravi K. Sharma, Watermark detection using a fourier mellin transform.
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Rhoads, Geoffrey B., Watermark embedder and reader.
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Rhoads, Geoffrey B.; Gustafson, Ammon E., Watermark embedder and reader.
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Geoffrey B. Rhoads, Watermark enabled video objects.
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Rhoads,Geoffrey B.; Levy,Kenneth L.; McKinley,Tyler J., Watermark encoded video, and related methods.
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Geoffrey B. Rhoads, Watermark encoding method exploiting biases inherent in original signal.
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Rhoads, Geoffrey B., Watermarking methods and media.
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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Data carrier having an optical authenticity feature and methods for producing and testing said data carrier 원문보기

초록 ▼

대표청구항 ▼

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연합인증

Data carrier having an optical authenticity feature and methods for producing and testing said data carrier 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (202)

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IPC 상위 출원인

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