Visible light and near infrared imaging device

Details Visible light and near infrared imaging device Visible light and near infrared imaging device

1978-11-13

1980-12-30

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358113, 250211J, 250338, 357 32, H04N 314

Patent

active

042427061

ABSTRACT:
A visible light and near infrared imaging device is disclosed. The imaging device comprises X-Y addressing means, an array of opto-electronic semiconductor elements or cells, a multiplexer, a precharge switch, and an amplifier. The X-Y addressing means selectively addresses each cell of the array of opto-electronic semiconductor cells and corresponding multiplexer switch for connecting a reference voltage to each cell to charge each element to the reference voltage, then to isolate each element and vary its voltage in proportion to the intensity of the impinging light, and finally to read out selectively the voltage of each element to the amplifier for amplifying the electrical signals representative of the light intensity to a working level for processing into video signals.

REFERENCES:
patent: 3946151 (1976-03-01), Kamiyama et al.
patent: 4067046 (1978-01-01), Nakatamt et al.

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