Appeal No. 2002-2169 Page 15
Application No. 09/163,286
traceable, and stable, we find that a suggestion, teaching, or motivation to use a time
standard in a GPS satellite to control Liessner's reference oscillator flows from the
references themselves.
Second, the examiner asserts, "the proposed combination would include a
reference oscillator calibrated by a GPS signal, and an EDM device and a phase
measurement device that utilizes the EDM timing information and the GPS-calibrated
reference oscillator signal to provide timing information used for determining distance
information." (Examiner's Answer at 9.) The appellants argue, "[t]he reference
oscillator mentioned in the reference is not 'controlled by said pulse-per-second output
and providing a reference frequency with a timing accuracy directly related to a timing
accuracy of said atomic time standard'." (Appeal Br. at 8.)
"[T]he Board must give claims their broadest reasonable construction. . . ." In re
Hyatt, 211 F.3d 1367, 1372, 54 USPQ2d 1664, 1668 (Fed. Cir. 2000). "Moreover,
limitations are not to be read into the claims from the specification." In re Van Geuns,
988 F.2d 1181, 1184, 26 USPQ2d 1057, 1059 (Fed. Cir. 1993) (citing In re Zletz, 893
F.2d 319, 321, 13 USPQ2d 1320, 1322 (Fed. Cir. 1989)).
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