Appeal No. 2001-0321
Application 08/888,671
Nakajima discloses an electronic endoscope system
comprising an electronic endoscope 2 including an elongated
insertion portion 8, a light guide 11, an objective 16 and an
image pickup device 17, a signal processing unit 5 including a
video processor 6 connected to a monitor 7, a universal cord 3
joining the endoscope and the signal processing unit, and a
signal cable 18 having a plurality of signal lines extending
from the insertion portion of the endoscope, through the
universal cord and to the signal processing unit. The signal
cable communicates with the signal processing unit through
connectors 21 and 22. Connector 21 includes contact pins 62a,
62b joined to the ends of signal lines 44, an inner shielding
frame 61, an outer shielding frame 60, and a metallic
shielding frame 64, these elements being operatively
associated as shown in Figure 1.
It is not disputed that Nakajima responds to all of the
limitations in independent claims 64 and 68 except for those
calling for an electromagnetic energy absorbing and
attenuating means consisting of a ring-shaped ferrite core.
Both claims require this means to be arranged at an end
portion of the signal transmitting cable near an electrical
contact point of the connecting part and a small distance away
6
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