H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/32
H04N 7/18 (2006.01) A61B 1/04 (2006.01) A61B 1/06 (2006.01) H04N 5/235 (2006.01) H04N 5/243 (2006.01) A61B 1/045 (2006.01) H04N 5/225 (2006.01)
Patent
CA 1210134
Abstract of the Disclosure Apparatus for controlling the video signal level of a color endoscope to prevent the picture from blooming as the viewing head of the instrument is moved toward and away from a confined target. Circuit means are provided for automatically controlling both the amplified gain of the signal and the intensity of the illumination used to light the target during a series of color imaging se- quences so that the color balance of the system is not disturbed.
458216
Borden Ladner Gervais Llp
Welch Allyn Inc.
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