Title:
ELECTRONIC ENDOSCOPIC EQUIPMENT
Document Type and Number:
Japanese Patent JP2002369797
Kind Code:
A
Abstract:
To reduce an afterimage or blur at zooming by controlling the return coefficient of a noise reduction circuit in electronic endoscopic equipment.
An image pickup sensor 14 is provided to the leading end of a scope 10 and the image pickup signal obtained from the image pickup sensor 14 is outputted to a processor 100. The processor 100 forms a video signal on the basis of the obtained image pickup signal. The processor 100 sets a noise reduction function to a low level when zooming is performed to automatically output an image of high accuracy free from the afterimage or blur.
Inventors:
TAKAHASHI AKIHIRO
Application Number:
JP2001182004A
Publication Date:
December 24, 2002
Filing Date:
June 15, 2001
Export Citation:
Assignee:
PENTAX CORP
International Classes:
G02B23/24; A61B1/04; G02B23/26; H04N5/225; H04N5/335; H04N5/357; H04N5/372; H04N5/374; H04N7/18; (IPC1-7): A61B1/04; G02B23/24; G02B23/26; H04N5/225; H04N5/335; H04N7/18
Domestic Patent References:
JP2001037703A | 2001-02-13 | |||
JPH04246325A | 1992-09-02 | |||
JP2000197604A | 2000-07-18 | |||
JP2000278592A | 2000-10-06 | |||
JP2001046331A | 2001-02-20 | |||
JPH01181840A | 1989-07-19 |
Attorney, Agent or Firm:
Takashi Matsuura