Image pickup devices and image pickup tubes utilized therein

Details Image pickup devices and image pickup tubes utilized therein Image pickup devices and image pickup tubes utilized therein

1976-09-08

1978-01-10

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358217, H04N 904

Patent

active

040682617

ABSTRACT:
The image pickup device comprises an optical system including an objective lens, light beam spliters such as dichroic mirrors and filters, and image pickup tubes for converting incident light into an electric signal. There is provided at least one transparent bias light source disposed between the objective lens and the light beam spliters or between the light beam spliters and the image pickup tubes and comprising a transparent luminescent layer and a pair of transparent electrode layers for applying operating voltage across the luminescent layer. The bias light source can also be built into the image pickup tube.

REFERENCES:
patent: 2733292 (1956-01-01), Cope et al.
patent: 2901652 (1959-08-01), Fridrich
patent: 3824004 (1974-07-01), Doi et al.
patent: 3883768 (1975-05-01), Voinov et al.

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