Appeal No. 2003-0124
Application No. 09/487,832
specification. Each store also has at least one point-of-sale,
having read/write equipment 30. This equipment is linked to the
store's stock control computer 20. See column 2, lines 53-58 of
Appellants' specification. The equipment 30 is used to read the
tag of each article being purchased. See column 2, lines 58-62
of Appellants' specification. The equipment 30 also includes a
write head 34 which writes data into the tag of each article
being purchased, to indicate that the article has been paid for.
See column 2, line 67 through column 3, line 4 of Appellants'
specification. At each exit of the store, a fixed detector 40 is
installed to check that every article being taken out of the
store has been paid for. See column 3, lines 7-15 of Appellants'
specification. If it is determined that the detector 40 fails to
read such data, detector 40 initiates an alarm. See column 3,
lines 14-15 of Appellants' specification. The store also has a
refunds or returns department, which includes read/write
equipment 50. When a customer returns an article to this
department, the equipment 50 is used to read the tag to check
that the article has been paid for. This information is erased
from the tag memory so that the article can be returned to stock.
See column 3, lines 40-50 of Appellants' specification.
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