Endoscope system with charge multiplying imaging device and...

Details Endoscope system with charge multiplying imaging device and... Endoscope system with charge multiplying imaging device and...

2005-06-07

2005-06-07

Leubecker, John P. (Department: 3739)

Surgery

Endoscope

With camera or solid state imager

C600S178000, C600S160000, C348S065000, C348S076000

Reexamination Certificate

active

06902527

ABSTRACT:
An endoscope2has a CCD9incorporated in the distal part of an insertion unit6thereof. The sensitivity of the CCD9can be varied by applying a plurality of pulsating driving signals so as to change an electron multiplication rate. The endoscope2is connected to a processor3so that it can be disconnected freely. Information representing a type of endoscope stored in advance in a ROM48is transmitted to a controller21incorporated in the processor3. The control means21uses a CCD sensitivity control means12to control the sensitivity of the CCD9according to the type of connected endoscope2. In addition, an automatic gain control circuit supplementarily amplifies a signal output from the CCD9so that the level of the signal becomes a predetermined level. Consequently, a view image of proper brightness can be produced irrespective of the type of endoscope2.

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