Appeal 2007-1557
Application 10/943,536
USPQ2d 1152, 1156 (Fed. Cir. 1988) (explaining the general evidentiary standard
for proceedings before the Office).
1. “To switch” is defined as “to operate an electrical switch so as to turn (as
a device) on or off.” A “switch” is defined as “a device for making,
breaking, or changing the connections in an electrical circuit.” Merriam-
Webster’s Collegiate Dictionary 1265, Merriam-Webster Inc. (2005).
The Specification discloses supplying backup power from one or more
capacitors in the event of loss of primary power supply without operating
electrical switches. (Specification 5:19 – 6:2)
2. Corio discloses an electromechanical braking system for an aircraft
including at least one electromechanical actuator controller (EMAC) for
providing drive control of brake actuators in response to brake command
signals and a plurality of brake control units (BSCUs) for converting an
input brake command signal into the brake command signals which are
provided to the at least one EMAC. At least two BSCUs are configured
to function redundantly and are powered via respective power busses
having different power sources (Corio, col. 3, ll. 3-17). Corio teaches a
variety of alternate braking modes based on the loss of particular power
supplies. In the case of failure of all primary power supplies, a DC
battery backup is used to provide limited emergency power for braking
(Corio, col. 7, l. 61 - col. 8, l. 29).
3. Fangio teaches the use of a capacitive backup power source for an
electromechanical actuator to position a mechanical device to a fail-safe
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