Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1988-02-02
1989-05-02
Hix, L. T.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
354409, 250578, G03B 310
Patent
active
048273031
ABSTRACT:
In a distance measuring device for automatically detecting an object distance on the basis of triangulation by unidirectional optical scanning of a distance between the closest distance and infinity, a plurality of distance measuring points are set within an object range and are spread perpendicular to the distance measuring direction; and these distance measuring points are optically scanned concurrently with the above scanning operation.
REFERENCES:
patent: 4227790 (1980-10-01), Shenk
patent: 4341451 (1982-07-01), Kroeger et al.
patent: 4400071 (1983-08-01), Tamura et al.
patent: 4470681 (1984-09-01), Johnson
patent: 4534636 (1985-08-01), Sugawara
Canon Kabushiki Kaisha
Gray David M.
Hix L. T,.
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