[특허]Color sensing for laser decoating

Color sensing for laser decoating 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23K-026/04 B23K-026/08 B23K-026/36 B23K-026/03 B23K-026/16 B23K-026/40
출원번호	US-0078332 (2013-11-12)
등록번호	US-9375807 (2016-06-28)
발명자 / 주소	Thomas, James W. Wool, Mitchell R.
출원인 / 주소	General Lasertronics Corporation
대리인 / 주소	Haverstock & Owens LLP
인용정보	피인용 횟수 : 0 인용 특허 : 134

초록 ▼

A coating removal apparatus utilizing a common optics path to provide laser pulses to a coated surface and to direct a light illumination reflected from the coated surface to a photosensitive detector and analyzer. The apparatus is an integrated device including a laser source, a beam splitter, scanning optics, a waste removal apparatus, one or more light illuminators, a photosensitive detector, a comparator, and a control logic circuit. Alternatively, the laser source is external to the integrated device and a fiber optic cable is used to connect the laser source to the integrated device.

대표청구항 ▼

1. A laser-based coating removal system to remove a coating from a surface, the system comprising: a. a laser source to provide a laser pulse;b. scanning optics to direct the laser pulse along a laser path to a first position on the surface, whereby the laser pulse impinges the first position on the surface thereby ablating a portion of the coating from the first position;c. one or more light illuminators to provide a light illumination, each light illumination along a light illumination path, the light illumination impinging the first position on the surface;d. a photosensitive detector to receive light reflected from the surface as a result of the impinging light illumination and to measure the reflected light; ande. a color sensing path to direct the reflected light from the surface to the photosensitive detector, wherein the color sensing path includes the scanning optics, wherein all of the color sensing path is independent of all of the light illumination path. 2. The system of claim 1 further comprising a control logic circuit coupled to the laser source, the scanning optics, and to the photosensitive detector, wherein the control logic circuit provides control signals to the laser source and the scanning optics. 3. The system of claim 2 further comprising a comparator coupled to the photosensitive detector to compare the measured reflected light with predetermined parameters to determine if the coating is removed from the first position on the surface. 4. The system of claim 3 wherein the control logic circuit provides a first control signal to the scanning optics to direct the laser pulse to the first position on the surface if it is determined that the coating is not removed from the first position. 5. The system of claim 4 wherein the first position and each successive position on the surface is determined according to a coating removal pattern. 6. The system of claim 5 wherein if it is determined that the coating is not removed from the first position, or each successive position, then the control logic circuit maintains a record list of each position at which the coating is not removed such that an additional laser pulse is directed to each position listed in the record list. 7. The system of claim 1 wherein the scanning optics include one or more reflecting scanners. 8. The system of claim 7 wherein the one or more reflecting scanners comprise a lens and mirror array. 9. The system of claim 1 wherein the scanning optics include one or more refracting scanners. 10. The system of claim 9 wherein the one or more refracting scanners comprise a lens and prism array. 11. The system of claim 1 wherein the scanning optics include focusing optics. 12. The system of claim 1 further comprising a beam splitter to direct the reflected light away from the laser path and toward the photosensitive detector. 13. The system of claim 1 wherein the one or more light illuminators provide the light illumination directly to the surface. 14. The system of claim 1 further comprising an optical fiber coupled between the laser source and the scanning optics to provide the laser pulse from the laser source to the scanning optics. 15. The system of claim 1 wherein the one or more light illuminators comprises a single wide spectrum illuminator. 16. The system of claim 15 wherein the photosensitive detector comprises a single sensor to measure a relative lightness of the surface. 17. The system of claim 15 wherein the photosensitive detector comprises a spectrophotometer sensor to measure the reflectance at a plurality of different wavelengths. 18. The system of claim 1 wherein the one or more light illuminators comprises a red spectrum illuminator to provide a red light illumination and a blue spectrum illuminator to provide a blue light illumination. 19. The system of claim 18 wherein the photosensitive detector temporally separates a reflected red light resulting from the impinging red spectrum illumination and a reflected blue light resulting from the impinging blue spectrum illumination. 20. The system of claim 1 further comprising a waste collection mechanism to collect an ablated portion of the surface. 21. A coating removal system to remove a coating from a surface, the integrated device comprising: a. a laser source to provide a laser pulse;b. scanning optics to direct the laser pulse along a laser path to a first position on the surface, whereby the laser pulse impinges the first position on the surface thereby ablating a portion of the coating from the first position;c. one or more light illuminators to provide a light illumination, each light illumination along a light illumination path, the light illumination impinging the first position on the surface;d. a photosensitive detector to receive light reflected from the surface as a result of the impinging light illumination and to measure the reflected light; ande. a color sensing path to direct the reflected light from the surface to the photosensitive detector, wherein the color sensing path includes the scanning optics, wherein all of the color sensing path is independent of all of the light illumination path. 22. The integrated device of claim 21 further comprising a waste collection mechanism to collect the ablated portion of the surface. 23. The integrated device of claim 21 further comprising a control logic circuit coupled to the laser source, the scanning optics, and to the photosensitive detector, wherein the control logic circuit provides control signals to the laser source and the scanning optics. 24. The integrated device of claim 21 wherein the scanning optics include one or more reflecting scanners. 25. The integrated device of claim 21 wherein the scanning optics include one or more refracting scanners. 26. The integrated device of claim 21 further comprising a beam splitter to direct the reflected light away from the laser path and toward the photosensitive detector. 27. A coating removal system to remove a coating from a surface, the system comprising: a. a laser source to provide a laser pulse;b. scanning optics to direct the laser pulse along a laser path to a first position on the surface, whereby the laser pulse impinges the first position on the surface thereby ablating a portion of the coating from the first position;c. a light illuminator to provide a light illumination along a light illumination path, the light illumination impinging the first position on the surface;d. a detector to receive and measure light reflected from the surface as a result of the impinging light illumination; ande. a color sensing path comprising the scanning optics to direct the reflected light from the surface to the detector, wherein all of the color sensing path is independent of all of the light illumination path.

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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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Color sensing for laser decoating 원문보기

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Color sensing for laser decoating 원문보기

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