Appeal No. 2001-0321
Application 08/888,671
64. An electronic endoscope system comprising:
an electronic endoscope including an elongated intubation
unit, an objective optical system for forming an optical image
of
a subject illuminated by illumination light emitted from a
distal end side of said intubation unit, and an imaging
element for photoelectrically converting an optical image
based on said objective optical system;
a signal transmitting cable connected to said imaging
element, said signal transmitting cable having a portion
covering transmission lines;
a signal processor connected through said signal
transmitting cable for processing signals for said imaging
element;
a connecting part connecting said signal processor and
said signal transmitting cable;
a metal cylinder covering said connecting part; and
an electromagnetic energy absorbing and attenuating means
consisting of a ring-shaped ferrite core for absorbing
electromagnetic waves, said signal transmitting cable passing
through said electromagnetic energy absorbing and attenuating
means,
wherein said electromagnetic energy absorbing and
attenuating means is arranged at an end portion of said
portion of said signal transmitting cable near an electrical
contact point of said connecting part and a small distance
away and apart from said metal cylinder along said signal
transmitting cable.
THE PRIOR ART
The references relied on by the examiner as evidence of
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