Apparatus for and method of measuring distances to objects prese

Details Apparatus for and method of measuring distances to objects prese Apparatus for and method of measuring distances to objects prese

1988-03-28

1990-04-10

Nelms, David C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250561, 2502016, G01V 120

Patent

active

049163027

ABSTRACT:
This specification discloses a distance measuring apparatus and method in which two-dimensionally arranged light-receiving elements are used as illumination distribution measuring means, the correlation between the illumination distributions of the images of an object on the set of certain portions of the respective measuring means is taken to thereby calculate the distance to the object present in a certain direction corresponding to the set, and the calculations are effected with respect to a plurality of sets portions of the respective measuring means to thereby calculate the distances to objects present in a plurality of directions.

REFERENCES:
patent: 4534650 (1985-08-01), Clerget et al.
patent: 4601053 (1986-07-01), Grumet
patent: 4664512 (1987-05-01), Shimizu
patent: 4687914 (1987-08-01), Tsunekawa et al.
patent: 4701049 (1987-10-01), Beckman et al.
patent: 4746790 (1988-05-01), Sorimachi

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