Appeal No. 1998-2379
Application No. 08/315,942
claim, but would be allowable if rewritten in independent
form including all of the limitations of the base claim
and any intervening claims.
BACKGROUND
The invention is an apparatus and method of
detecting an electronic article surveillance marker using
wavelet transform signal processing.
Representative independent claim 21 is reproduced as
follows:
21. An electronic article surveillance system
comprising:
means for generating and radiating an
interrogation signal;
means for receiving an analog signal that
includes a target signal formed by an electronic
article surveillance marker upon exposure to the
radiated interrogation signal and interference
signals correlated with the target signal;
analog filter means for filtering the
received analog signal;
conversion means for converting the filtered
analog signal into a digital signal; and
an integrated circuit signal processing
device for receiving said digital signal, said
integrated circuit signal processing device
being programmed to perform a wavelet transform
on the received digital signal.
2
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