Camera tube apparatus for reading documents

Details Camera tube apparatus for reading documents Camera tube apparatus for reading documents

1981-07-02

1983-11-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250211R, H01J 4014

Patent

active

044131887

ABSTRACT:
A camera tube apparatus for use in reading a document reader, such as in a facsimile system, which provides for accurate output from light-receiving devices with crosstalk eliminated. In this apparatus, at least one surface of a connecting electrode connecting a split electrode and a reading switch is provided through an insulative layer with a conducting layer connected to ground. The capacitance formed between the connecting electrode and the conducting layer is made greater than that of the light-receiving device.

REFERENCES:
patent: 3676590 (1972-07-01), Weimer
patent: 4382187 (1983-05-01), Fraleux et al.

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