Rangefinding system

Details Rangefinding system Rangefinding system

1979-03-06

1981-02-17

Miller, Jr., George H.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250201, G03B 708, G01J 120

Patent

active

042511445

ABSTRACT:
This invention is directed to a rangefinding system which includes a light beam source, a plurality of light receiving elements disposed to receive an image light spot reflected from a target object existing in any one of a group of distance zones in such manner that the image light spot is projected on one or more of the light receiving elements, the light receiving elements being adapted to produce a combination of outputs, the contents of which vary depending on the distance between the target object and the rangefinding system the invention also includes a logic circuit for producing signals indicating the distance zone in which the target object exists, the signal generated in response to the combination of outputs, so that the space occupied by the light receiving elements can be advantageously decreased and the precision of rangefinding can be improved.

REFERENCES:
patent: 3442193 (1969-05-01), Pagel
patent: 3443502 (1969-05-01), Harvey
patent: 3723003 (1973-03-01), Vockenhuber et al.
patent: 3819273 (1974-06-01), Unema et al.
patent: 3945023 (1976-03-01), Stauffer
patent: 4004852 (1977-01-01), Pentecost
patent: 4182555 (1980-01-01), Imura et al.

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