Method of controlling endoscope and endoscope
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United States of America Patent
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Jul 8, 2014
Grant Date -
Mar 24, 2011
app pub date -
Sep 24, 2010
filing date -
Sep 24, 2009
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Abstract
An endoscope 100 includes a first light source 45 that emits white illumination light, a second light source 47 that emits narrow-band light and an imaging section that has an imaging device 21 having plural detection pixels and images a region to be observed. The imaging section is caused to output a captured image signal including both a return light component of the white illumination light from the region to be observed by and a return light component of the narrow-band light the white illumination light. From the captured image signal, the return light component of the narrow-band light is selectively extracted, and a brightness level of the extracted return light component of the narrow-band light is changed by changing a light amount of light emitted from the second light source 47.
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