Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1988-12-22
1990-04-24
Peng, John K.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 93, 356 5, H04N 718, H04N 700
Patent
active
049204122
ABSTRACT:
The system includes a television camera or an optical viewer device with a gated image intensifier input. A short intense laser pulse is transmitted to illuminate the scene. The image intensifier is gated on after a time delay equal to the round trip transit time of the pulse from a range slice of interest. The image intensifier is gated on for a time interval equal to the width of the laser pulse. In the television camera embodiment, one laser pulse per frame is transmitted and successive range slices are observed during successive frames by successively increasing the time delay. The range slice images are stored in a buffer and read out to a television display. In the optical viewer device embodiment, a segmented horizontally sliced electro-optical shutter is disposed adjacent the phosphor output of the image intensifier to transmit successive range slice information to an eyepiece of the device for viewing by an observer. The optical viewer device may be mounted on a helmet with an inclinometer on the helmet providing signals to program the segmented shutter.
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patent: 3899250 (1975-08-01), Bamberg et al.
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patent: 4202014 (1980-05-01), Gilligan et al.
patent: 4226529 (1980-10-01), French
Gerdt David W.
Gilligan Lawrence H.
Levine Seymour
Peng John K.
Sperry Marine Inc.
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