[특허]Method and system for point by point measurement of spatial coordinates

Method and system for point by point measurement of spatial coordinates 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01B-011/03
출원번호	US-0211734 (1994-04-11)
우선권정보	NO-0003994 (1991-10-11)
국제출원번호	PCT/NO92/00167 (1992-10-09)
§371/§102 date	19940411 (19940411)
국제공개번호	WO-9307443 (1993-04-15)
발명자 / 주소	Pettersen Alf (Gjettum NOX) Rotvold Oyvind (Hvalstad NOX)
출원인 / 주소	Metronor AS (Nesbru NOX 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

A system for point by point measurement of spatial coordinates, in which a touch probe including three point-sized light sources at known local coordinates relative to a local probe fixed coordinate system and with a touch point at known location relative to the local coordinate system, is used such that the touch probe touches the point to be measured. A single opto-electronic angle sensor for measurement of spatial direction towards point sized light sources is set up such that its field of view/work area covers the essential parts of the object to be measured, and such that the light sources of the touch probe are seen from the angle sensor for all the relevant measurement points. The spatial directions for all of the light sources of the touch probe are registered simultaneously. Based on the registered spatial directions, the position and orientation of the touch probe are calculated relative to said single angle sensor, and such that the position of the touch probe is related to its point of contact with the measured object.

대표청구항 ▼

A method for point-by-point measurement of spatial coordinates of each of a plurality of points on an object, comprising: (a) positioning a single opto-electronic angle sensor designed to measure spatial direction to each of a plurality of point-sized light sources, such that its field of view or working area generally covers said object; (b) successively touching to each of said points a touch point of a touch probe having at least three point-sized light sources respectively disposed at known coordinates relative to a local probe coordinate system and a touch point disposed at a known location relative to said local probe coordinate system, while maintaining visibility of said touch probe to said angle sensor at each such touching; (c) simultaneously sensing, using said angle sensor, at each said touching, a spatial direction for each of said light sources and registering said spatial directions; and (d) computing the position and orientation of said touch probe relative to said angle sensor at each said touching, from the spatial directions registered in step (c).

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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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Method and system for point by point measurement of spatial coordinates 원문보기

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Method and system for point by point measurement of spatial coordinates 원문보기

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