Video signal processing system for electronic endoscope

Details Video signal processing system for electronic endoscope Video signal processing system for electronic endoscope

1993-06-08

1994-05-03

Britton, Howard W.

Television

Special applications

With endoscope

348441, H04N 718

Patent

active

053092279

ABSTRACT:
A video signal processing system for electronic endoscope, employing a high-sensitivity solid-state image sensor device having an approximately doubled sensitivity along with improved dynamic range and RGB spectral sensitivity ratios and reduced to about 1/2 in size as compared with conventional endoscopic solid-state image sensor devices, the system being arranged to read out therefrom an A-field signal having a preceding line added to each scanning line and a B-field signal having a succeeding line added to each scanning line, store the A- and B-field signals in a field memory, and read out the A- and B-field signals alternately line by line from the field memory as picture data to improve the RGB spectral sensitivity ratios.

REFERENCES:
patent: 4875091 (1989-10-01), Yamada
patent: 4933758 (1990-06-01), Saito
patent: 5021870 (1991-06-01), Motoe et al.
patent: 5034888 (1991-07-01), Uehara et al.

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