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Patent Searching and Data


Title:
VIDEO ENDOSCOPE DEVICE
Document Type and Number:
Japanese Patent JPH10248802
Kind Code:
A
Abstract:

To provide a video endoscope device capable of outputting a warning for protecting a subject against heat.

A TV camera 3 having built-in CCD 24 is fixed to a hard endoscope 2, the CCD 24 outputs image pick-up signals photoelectrially converted by application of CCD drive signal from a CCD driver 3 in a CCU 5 to a video processing circuit 32. Generated luminance signal Y is input into a dimming detection circuit 33 to operate an element shutter function to make the luminance average value coincide with the luminance target value. A warning control signal C is output to a warning output circuit 34 when the shutter speed is faster than the shutter speed threshold value and warning letters 41 are displayed on a monitor screen 6A for giving warning to the operator to protect the subject against heat.


Inventors:
YAMASHITA SHINJI
Application Number:
JP5953397A
Publication Date:
September 22, 1998
Filing Date:
March 13, 1997
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO
International Classes:
G02B23/24; A61B1/04; A61B1/06; H04N7/18; (IPC1-7): A61B1/04; A61B1/06; G02B23/24; H04N7/18
Attorney, Agent or Firm:
Susumu Ito