Appeal No. 2003-0271 Page 6
Application No. 09/592,058
more capacitors 72 that are operably connected to effect a capacitance between the
conductive sheets 62, 63, to block low frequency current from electrical potential
between the conductive shell 14 and a conductive panel 4 to which the connector 10 is
to be mounted, at a cutout 5 thereof. Conductive sheet 62 engages the conductive
panel 4 and first electrodes of the capacitors 72, and conductive sheet 63 engages the
conductive shell 14 and second electrodes of the capacitors 72. Any difference in
ground potential between the conductive shell 14 and the conductive panel 4 is directed
through conductive sheet 62 and the capacitors 72 which will block passage of low
frequency current.
The appellants essentially argue (brief, pp. 6-8) that Weidler lacks (1) a
suppression plate that is configured to provide a galvanically isolated high frequency
coupling between the conductive outer shell of the connector and the chassis in
proximity to the opening of the chassis that receives the connector, wherein the
suppression plate includes a second circuit board as recited in claims 1 and 10; and
(2) an EMI suppression plate comprising a circuit board that includes one or more
capacitors that are configured to couple high frequency signals from a first conductor on
the circuit board to a second conductor on the circuit board that is configured to become
electrically coupled to a chassis ground when the EMI suppression plate is attached to a
chassis, thereby providing galvanic isolation between the outer shell of the connector
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