Appeal No. 1998-1181
Application No. 08/442,883
"acts" would be flowchart segments 110-112 of figure 3, 160-
162 of figure 4, and 208-210 of figure 5.
The means-plus-function clause and step-plus-function
clause are construed as limited to the corresponding
respective structure or steps disclosed in the specification
and equivalents thereof. Pennwalt Corp. v. Durand-Wayland,
Inc., 833 F.2d 931, 938, 4 USPQ2d 1737, 1743 (Fed. Cir.1987),
cert. denied, 484 U.S. 961 (1988). The claimed structure and
steps are not disclosed by Blair.
The Blair abstract recitation "Priority of acquisition is
given to carrier signals associated with home system
identification codes (SIDs)" means that the cellular telephone
checks the carrier signal's SID against a home SID entered
into the cellular telephone unit's memory (emphasis added).
An additional basis for this conclusion is column 5, lines 8-
13 of Blair, which states " . . . lock onto the frequency of
the home system . . ." (emphasis added) thereby specifying
that there is but a single home SID entered into the cellular
telephone unit's memory. Therefore, the memory (16), logic
circuit (14), and flowchart (figures 4 and 5) of Blair are not
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