Appeal No. 2006-2034 Page 5
Application No. 10/744,801
characteristic, a voltage characteristic and a temperature characteristic of
the reference PMOS device. . . .
Independent claim 18 includes similar limitations. In other words, the limitations require
a reference signal that is a function of at least one of a process characteristic, a voltage
characteristic, and a temperature characteristic of an NMOS device and another
reference signal that is a function of at least one of a process characteristic, a voltage
characteristic and a temperature characteristic of a PMOS device.
B. ANTICIPATION DETERMINATION
"Having construed the claim limitations at issue, we now compare the claims to
the prior art to determine if the prior art anticipates those claims." In re Cruciferous
Sprout Litig., 301 F.3d 1343, 1349, 64 USPQ2d 1202, 1206 (Fed. Cir. 2002). "A claim
is anticipated only if each and every element as set forth in the claim is found, either
expressly or inherently described, in a single prior art reference." Verdegaal Bros., Inc.
v. Union Oil Co., 814 F.2d 628, 631, 2 USPQ2d 1051, 1053 (Fed. Cir. 1987) (citing
Structural Rubber Prods. Co. v. Park Rubber Co., 749 F.2d 707, 715, 223 USPQ 1264,
1270 (Fed. Cir. 1984); Connell v. Sears, Roebuck & Co., 722 F.2d 1542, 1548, 220
USPQ 193, 198 (Fed. Cir. 1983); Kalman v. Kimberly-Clark Corp., 713 F.2d 760, 771,
218 USPQ 781, 789 (Fed. Cir. 1983)). "[A]bsence from the reference of any claimed
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