Appeal Number: 2006-1385
Application Number: 10/452,753
BACKGROUND
The Appellants’ invention relates to the detection and reduction of periodic
jamming signals in GPS receivers (Specification 1). An understanding of the
invention can be derived from a reading of exemplary claim 1, which is reproduced
below.
1. A method in a satellite positioning system receiver, the method
comprising:
detecting the presence of a jamming signal in the satellite positioning
system receiver after the jamming signal enters the satellite positioning
system receiver;
the jamming signal having a known pattern;
reducing the jamming signal by blanking the satellite positioning
system receiver with a blanking signal having a pattern similar to the
jamming signal synchronized with the jamming signal.
PRIOR ART
The prior art references of record relied upon by the examiner in rejecting the
appealed claims are:
Shridhara 6,448,925 Sep. 10, 2002
Fielder 6,681,181 Jan. 20, 2004
(May 20, 2002)
Beesley 2,113,047 A Jul. 27, 1983
(Great Britain)
REJECTIONS
Claims 1-19 and 23-26 stand rejected under 35 U.S.C. § 103(a) as being
unpatentable over Shridhara in view of Beesley.
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: September 9, 2013