Proximity focused shutter tube and camera

Details Proximity focused shutter tube and camera Proximity focused shutter tube and camera

1978-08-07

1980-09-02

Murray, Richard

Facsimile and static presentation processing

Facsimile

Recording apparatus

313105CM, H04N 530

Patent

active

042209757

ABSTRACT:
A shutter for a proximity focused tube and camera comprising an array of stacked microchannel plates. An electrode is provided between each plate whereby an electrical field can be established across each plate. By applying a ramp voltage to alternate plates in the stacked array, the electric field across each plate deflects a photoelectron beam and allows a momentary period of transmission of the beam through the microchannels. The electrode on each plate is skewed with respect to the front and back faces of the plate whereby in-phase deflection of an electron beam is achieved. A plurality of proximity focused shutter tubes can be operated in an array and triggered from a common voltage pulse source whereby a pulse is applied in a time ordered sequence to develop related multiple frames.

REFERENCES:
patent: 3603828 (1971-09-01), Sheldon
patent: 3761614 (1973-09-01), Bradley
patent: 3777201 (1973-12-01), Einstein
patent: 4095136 (1978-06-01), Niklas

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