Endoscope
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 7, 2016
filing date -
Dec 4, 2014
priority date (Note) -
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Abstract
An endoscope is an endoscope connectable to a processor provided with a high frequency component enhancement circuit configured to perform, for an image pickup signal having an attenuated high frequency component, enhancement correction of the high frequency component, the endoscope including: a CMOS image sensor provided with an image pickup portion configured to pick up an optical image of a subject and generate an analog image pickup signal and an A/D converting portion configured to convert the analog image pickup signal to a digital image pickup signal and output the digital image pickup signal; a cable for transmitting the digital image pickup signal; and a filter having frequency characteristics equalizing frequency characteristics of the high frequency component enhancement circuit.
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