Method for improved performance of infrared vidicon cameras

Details Method for improved performance of infrared vidicon cameras Method for improved performance of infrared vidicon cameras

1978-09-27

1980-02-26

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358217, H04N 533

Patent

active

041908589

ABSTRACT:
Infra red (IR) vidicon camera tube performance is improved by alternately switching the sensing layer voltage to one of two values in synchronism with the frame rate of an IR TV camera. In operation the sensing layer is switched to a high voltage for two frames and then switched to the normal voltage for one frame readout. Camera tube response is in real time, thereby eliminating need for change in scanning beam rate or subsequent data processing of recorded video data.

REFERENCES:
patent: 3646267 (1972-02-01), Tompsett
patent: 4100574 (1978-07-01), Felix

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