Appeal No. 2000-0229
Application No. 08/603,005 Page 7
utilize a display for information such as a price, and printed
labels for information that changes infrequently. Ahlm discloses
(page 3) that “A shop may be provided with a number of shelf edge
displays, price boards and other devices working according to
already disclosed principles having up to a number of about 5000
units. This corresponds to the number of articles in a normal
supermarket.” As shown in figures 1a and 1b, unit 10 contains
display 17 and label 12 which represents the type of merchandise
as text and a picture. On the back of the label is a printed bar
code 14. Information is read from the bar code by a conventional
bar code reader 16. Unit 10 contains a memory having information
received from a data base of a central processor, which sends the
same information to all of the units. Data corresponding to the
information read from the bar code is fetched from the memory in
unit 10 and is displayed at 17. In the example given by Ahlm,
the text and picture displayed on the label represent green
apples. When the bar code for green apples is read, the price
for green apples will be displayed.
Turning to Poland, this reference is also directed to an
electronic price display for displaying current pricing
information on retail product shelf edges (col. 1, lines 6-8).
In Ahlm, the price is displayed according to the location of the
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Last modified: November 3, 2007