[특허]Noncontact position measurement system using optical sensors

Noncontact position measurement system using optical sensors 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01B-011/26 G01C-001/00
출원번호	US-0340099 (1994-11-21)
발명자 / 주소	Busch-Vishniac Ilene (Austin TX) Buckman Alvin B. (Austin TX) Pavuluri Janardhan K. (Austin TX) Wang Wanjun (Baton Rouge LA) Qian Dahong (Lowell MA) Mancevski Vladimir (Austin TX)
출원인 / 주소	Board of Regents, The University of Texas System (Austin TX 02)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

Optical and computational components are combined to form a high precision, six degree-of-freedom, single-sided, noncontact position measurement system. Reflective optical targets are provided on a target object whose position is to be sensed. Light beams are directed toward the optical targets, producing reflected beams. Electrical signals are produced indicating the points of intersection of the reflected beams and the position-sensitive detectors. The position sensitive detectors may be lateral-effect photodiodes. The signals are transformed to provide measurements of translation along and rotation around three nonparallel axes which define the space in which the target object moves.

대표청구항 ▼

A high-precision, non-contact position measuring system for determining the position and motion of a target object with respect to a sensor plane, the measuring system being located substantially entirely in or behind the sensor plane, comprising: a target placed on an exterior surface of the target object, the target comprising at least two planar point reflectors on a substantially non-reflective background; a first light source for producing a first beam of light directed toward the target, the first beam of light being broad enough to illuminate the at least two planar point reflectors, thereby producing a first reflected beam reflected from one of the point reflectors and a second reflected beam reflected from another of the point reflectors; a second light source for producing a second beam of light directed toward the target, the second beam of light being broad enough to illuminate at least one of the at least two planar point reflectors, thereby producing a third reflected beam reflected from said point reflector; a first position sensitive detector positioned in the sensor plane to determine a location of intersection between the first reflected beam and the sensor plane; a second position sensitive detector positioned in the sensor plane to determine a location of intersection between the second reflected beam and the sensor plane; and a third position sensitive detector positioned in the sensor plane to determine a location of intersection between the third reflected beam and the sensor plane.

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Greer Dale R., Method and apparatus for calibrating a non-contact gauging sensor with respect to an external coordinate system.
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Markey ; Jr. Myles ; Greer Dale R. ; Hibbard Brett, Method and apparatus for calibrating a non-contact gauging sensor with respect to an external coordinate system.
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Greer Dale R., Method and apparatus for calibrating a noncontact gauging sensor with respect to an external coordinate system.
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Greer Dale R., Method and apparatus for calibrating a noncontact gauging sensor with respect to an external coordinate system.
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Steinkraus, Jr., Robert F.; Johnson, Gary W.; Ruggiero, Anthony J., Method and system for controlling the position of a beam of light.
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Dowski, Jr., Edward R.; Johnson, Gregory, Optical guidance systems and methods using mutually distinct signal-modifying.
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Reilley Peter, Planar alignment system and method.
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Glick Gary L. ; Jones Donald L., Rotational axis determination from photogrammetric data.
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Boillot, Jean-Paul; Boridy, Raymond; Gaboury, Jacques-André, Sensing head and apparatus for determining the position and orientation of a target object.
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Granade, Stephen; Balch, Michael K.; Kliesner, Matthew A, System and method for remotely determining position and orientation of an object.
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Dahlstrom, Robert L., System, mobile base station and umbilical cabling and tethering (UCAT) apparatus.
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Busby, Luke Andrew; Iverson, Todd; McMaster, Ryan, Systems and methods for unmanned aerial painting applications.
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Loferer,Hannes; Greer,Dale, Target for calibrating a non-contact sensor.
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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
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Noncontact position measurement system using optical sensors 원문보기

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Noncontact position measurement system using optical sensors 원문보기

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