Endoscope TV camera apparatus

Details Endoscope TV camera apparatus Endoscope TV camera apparatus

1991-10-30

1993-08-24

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 29, H04N 718, H04N 94, H04N 964

Patent

active

052393747

ABSTRACT:
A three-plate type TV camera apparatus for endoscopes which can be removably fitted to an endoscope eyepiece part, wherein an object image is imaged as divided in three primary colors and comprises an amplifying circuit amplifying a signal superimposed with a reference signal, a signal processing circuit processing an amplified signal and a gain controlling circuit controlling the gain of the amplifying circuit in response to the difference between the reference signal component included in the output of each signal processing circuit and the objective reference level.

REFERENCES:
patent: 4638350 (1987-01-01), Kato et al.
patent: 4646161 (1987-02-01), Tsuchiya et al.
patent: 4883360 (1989-11-01), Kawada et al.
patent: 4951134 (1990-08-01), Nakasima et al.
patent: 4961110 (1990-10-01), Nakamura

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