[특허]Hand held symbology reader illumination diffuser

[미국특허] Hand held symbology reader illumination diffuser 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-007/10
출원번호	US-0623367 (2012-09-20)
등록번호	US-9361495 (2016-06-07)
발명자 / 주소	Nunnink, Laurens
출원인 / 주소	COGNEX TECHNOLOGY AND INVESTMENT LLC
인용정보	피인용 횟수 : 2 인용 특허 : 210

초록 ▼

A hand held industrial identification symbol reader projects diffuse illumination onto a region of interest to produce high contrast images of symbols. The diffuse illumination is particularly well suited for producing images of symbols that are marked directly on objects. The diffuse illumination is created through the use of an optically translucent diffuser having a generally tapered shape that distributes diffuse illumination throughout the field of view of the reader. The diffuse illumination can be supplemented with dark field illumination using selectively actuated illumination sources.

대표청구항 ▼

1. An apparatus for imaging a symbol on an object, the apparatus comprising: a hand held portable imaging system having an imager;a lens disposed between the imager and a region of interest, the region of interest being the intended position of the symbol on the object, the lens and imager defining a field of view and an optical axis;a diffuser concentrically aligned with the optical axis, having a first end surrounding the field of view proximate to the lens, and a second end surrounding the field of view proximate to the region of interest;a dark field illuminating light pipe concentrically aligned with the optical axis and adjacent to the second end of diffuser; anda dark field illuminator directing illumination into the dark field illuminating light pipe. 2. The apparatus according to claim 1 wherein the diffuser is removably attached. 3. The apparatus according to claim 1 further comprising an illuminator to provide selective illumination of the diffuser. 4. The apparatus according to claim 3 wherein the diffuser has a first color characteristic, the illuminator emits illumination having a color characteristic similar to the first color characteristic, and the dark field illuminator emits illumination having a second color characteristic. 5. The apparatus according to claim 4 wherein the first color characteristic is blue, and the second color characteristic is red. 6. The apparatus according to claim 4 wherein at least one color characteristic is infrared. 7. The apparatus of claim 3 wherein the illuminator further comprises a plurality of selectively actuated illuminators. 8. The apparatus according to claim 1 further comprising: a light absorbing filter applied to the diffuser and disposed between the diffuser and the region of interest. 9. An apparatus for imaging a symbol on an object, the apparatus comprising: a hand held portable imaging system having an imager;a lens disposed between the imager and a region of interest, the region of interest being the intended position of the symbol on the object, the lens and imager defining a field of view and an optical axis;a dark field illuminating light pipe having a first end and a second end, the second end surrounding the field of view proximate to the region of interest and configured to emit a dark field illumination toward the object at a low angle;a diffuser aligned with the optical axis, the diffuser having a first end proximate to the lens, and a second end surrounding the field of view proximate to the object, the second end of the diffuser proximate to the dark field illuminating light pipe; andan illuminator to provide illumination to the diffuser. 10. The apparatus according to claim 9 wherein the second end of the dark field illuminating light pipe comprises a chamfer configured to reflect the dark field illumination toward the object through an emitting surface on an inner side of the dark field illuminating light pipe. 11. The apparatus according to claim 9 and further comprising dark field illuminators at the first end of the dark field illuminating light pipe. 12. The apparatus according to claim 11 wherein the dark field illuminators and the illuminator are separately actuateable. 13. The apparatus according to claim 9 wherein the illuminator is a color-specific illuminator. 14. An apparatus for imaging a symbol on an object, the apparatus comprising: a hand held portable imaging system having an imager;a lens disposed between the imager and a region of interest, the region of interest being the intended position of the symbol on the object, the lens and imager defining a field of view and an optical axis;a diffuser aligned with the optical axis, having a first distal end proximate to the lens, and a second distal end proximate to the region of interest;an illuminator for illuminating the diffuser comprises a plurality of illuminators;a dark field illuminating light pipe aligned with the optical axis wherein the diffuser directs light toward the region of interest, through an interior perimeter of the dark field illuminating light pipe; anda dark field illuminator directing illumination into the dark field illuminating light pipe. 15. The apparatus according to claim 14 wherein the dark field illuminator and the illuminator are separately actuateable.

이 특허에 인용된 특허 (210) 인용/피인용 타임라인 분석

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Roustaei Alexander (1696 Via Inspirar San Marcos CA 92069), Optical scanning head with improved resolution.
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Wang Ynjiun P. (Fort Meyers FL) Meyerson Robert F. (Captiva Island FL), Visually interactive encoding and decoding of dataforms.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Gabriele, Nathan; Smith, Anthony, Flash lamp epilator.
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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

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[미국특허] Hand held symbology reader illumination diffuser 원문보기

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이 특허에 인용된 특허 (210) 인용/피인용 타임라인 분석

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[미국특허] Hand held symbology reader illumination diffuser 원문보기

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대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (210) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

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