Patent ID: 6796939
Filing Date: 2004-09-28
Classification: A61B,G02B,H04N

Abstract:
An electronic endoscope, comprising:an operating portion; an inserting portion coupled to the operating portion and arranged distally thereof; and an image pickup adapter detachably coupleable to an end of the inserting portion, the image pickup adapter including at least one LED to emit light to illuminate an observed site; a C-MOS image sensor having an image pickup surface on which an optical image of the observed site is formed, the C-MOS image sensor outputting a video signal to the operating section, the video signal corresponding to the optical image; a first power supply circuit substrate which supplies power to the C-MOS image sensor; a second power supply circuit substrate which supplies power to the at least one LED; and a temperature increase controller which prevents an increase in temperature of the C-MOS image sensor above a predetermined temperature.