Appeal No. 96-3618
Application 08/004,598
Kinoshita discloses a portable radio telephone system
which "can be used both for an urban public cellular radio
telephone system and for a private radio telephone system
which is built inside a local area" (col. 1, lines 46-48).
The private radio telephone system attached to the private
branch exchange (PBX) in figure 3 corresponds to the claimed
"first wireless telephone base-station." The private system
has two transceivers (col. 3., lines 65-67): "The radio
telephone subscriber circuits are connected to
transmission/reception antennas 18, 19 through transceivers
(TRX) 16 . . . ." A base station of a cell of the public
cellular system corresponds to the claimed "second wireless
telephone base-station." The portable telephone set 20
corresponds to the claimed "portable wireless telephone
instrument" and can communicate with the private radio
telephone system or the public cellular radio telephone system
(e.g., col. 3, line 65, to col. 4, line 7). The power level
of the private radio telephone system is kept at a very low
intensity so as to not affect the public cellular radio
telephone system (col. 2, lines 10-18), and the cellular
system uses a high power level to cover a greater geographical
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Last modified: November 3, 2007