Ultra high speed gated pulse optical imaging system

Details Ultra high speed gated pulse optical imaging system Ultra high speed gated pulse optical imaging system

1978-09-25

1979-11-13

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

250199, 358 99, H04N 718

Patent

active

041745248

ABSTRACT:
Apparatus for overcoming the effects of back scatter and forward scatter in iewing an object through a diffusive medium includes a projector for projecting successive picosecond coherent light pulses through the medium to the object, and also includes a light receiving element for receiving light transmitted through the medium. An optical shutter is positioned in relation to the receiving element for selectively admitting light thereto. An optical path between the source and the shutter couples light of a projected pulse to open the shutter for a picosecond at a selected interval after the pulse has been projected, in order to admit light of the pulse reflected from the object to the receiving means. Structure cooperates with the receiving element to provide sets of light responsive signals, each set representing an image of light reflective surfaces of the object which are included in one of one or more discrete viewing spaces, a display being provided for combining all of the represented images to provide an image of the object.

REFERENCES:
patent: 2541374 (1951-02-01), Morton
patent: 3426207 (1969-02-01), Fried
patent: 3467773 (1969-09-01), Heckman
patent: 3566021 (1971-02-01), Jakes
patent: 3670098 (1972-06-01), Korpel
patent: 4030831 (1977-06-01), Gowrinathan

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