Apparatus and method for improved determination of the spatial l

Details Apparatus and method for improved determination of the spatial l Apparatus and method for improved determination of the spatial l

1991-05-10

1993-06-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356 5, G01N 2186

Patent

active

052162591

ABSTRACT:
Apparatus and method for use in determining the location of object surface points wherein a short pulse of optical energy is projected at the object surface and a time dependent gain function is used to modify the reflected optical energy resulting from the pulse so that time delay information indicative range can be developed and processed.

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patent: 4199253 (1980-04-01), Ross
patent: 4259017 (1981-03-01), Ross et al.
patent: 4634272 (1987-01-01), Endo
patent: 4854698 (1989-08-01), Schmidt
patent: 4935616 (1990-06-01), Scott

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