Appeal No. 96-1774
Application No. 07822,207
The Johansson reference
The Johansson reference also discloses a system of
personalized communication between a post (such as a toll booth)
and moving bodies (such as vehicles travelling a toll road).
As with Appellant, Johansson’s post initiates communication
with an initialization signal at a certain time. Each moving
body has an intrinsic code with a duration value associated with
it. The moving body responds to the initialization signal with a
transmission occurring at the end of a duration related to the
duration value.
In Johansson the moving body’s transmission conveys
identifying information only in its timing. That is, the
transmissions of all the moving bodies differ only in that they
occur after different durations following the initialization
signal.
The Carsten reference
The Carsten reference also discloses a system of
personalized communication between a post (such as a toll booth)
and moving bodies (such as vehicles travelling a toll road).
As with Appellant and Johansson, Carsten’s post initiates
communication with an initialization signal. Carsten’s moving
bodies respond with a coded signal which is unique to a
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