Appeal No. 2002-1280
Application 08/995,996
corresponds to the claimed "user defined code." In use, the
transmitter also transmits a "channel" code to perform a control
function (col. 7, lines 19-27 & 44-49; col. 3, lines 31-37),
which corresponds to the claimed "scan code." In the use mode,
when the received "signature" code matches the stored signature
code and the channel code matches the channel, a control function
is carried out, such as arming or disarming the security system
(col. 17, lines 32-52). Drori does not teach the specific code
setting scheme recited in claim 1.
Karasawa teaches an electronic key apparatus in the form of
a wristwatch which transmits a code (i.e., the key) for unlocking
an electronic lock (abstract). A password is required before the
code is transmitted (abstract). After properly entering the
password, the code can be updated or set by pressing switch S1 in
mode-selection mode m6 to enter item/code-update/set mode m10 and
set the code with the keypad 3 (col. 8, line 56 to col. 9,
line 47; col. 14, lines 16-40). In the mode-selection mode m6
the electronic lock can be released by pressing switch s5
(col. 9, lines 20-21). Thus, the transmitter in Karasawa has
both a code setting mode and a control function mode.
The rejection
The examiner finds that Drori teaches sending a signature
code and a function code to perform functions in a receiver, but
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