Appeal No. 2005-0888
Application No. 10/039,663
and
1. An electrical or electronic element capable of
controlling voltages or currents to produce gain or
switching action in a circuit (e.g., transistor, vacuum
tube, or saturable reactor). Also called active device,
or active element. 2. A device, the output of which is
dependent on a source of power other than the main input
signal.[3]
A passive element has been defined as:
[ELEC] An element of an electric circuit that is not a
source of energy, such as a resistor, inductor, or
capacitor. Also known as passive component.[4]
and
1. A parasitic element. 2. A circuit element with no
source of energy (e.g., a resistor, capacitor, inductor,
etc.).[5]
Yamasaki’s MOS transistor functions as a capacitor (abstract,
lines 1-2; col. 8, line 58; col. 9, lines 11-12; col. 10, lines 29-
30) and, therefore, is by definition a passive element or component
rather than an active component. The examiner has not established
that “active component”, as that term would have been most broadly
construed by one of ordinary skill in the art in view of the
cited by the board is provided to the appellants with this
decision.
3 Rudolf F. Graf, Modern Dictionary of Electronics 16
(Howard W. Sams & Co. and The Bobbs-Merrill Co. 1972).
4 McGraw-Hill Dictionary, supra note 2, at 1455.
5 Modern Dictionary of Electronics, supra note 3, at 410.
4
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