G - Physics – 09 – G
Patent
G - Physics
09
G
375/5, 345/8
G09G 3/04 (2006.01) G06K 17/00 (2006.01) G09B 23/28 (2006.01)
Patent
CA 1244974
ABSTRACT OF THE DISCLOSURE The invention provides an alphanumeric display module of four controllable cells that is able to provide significantly increased vocabulary of words considered essential for merchandising, such as "SAVE" and "BUY" while requiring less than 40 electric control lines, so that currently available 40 terminal memory storage devices can be employed. The first two cells are of conventional "figure 8" configuration, each employing seven controllable elements. The third cell includes an upward right inclined element in its lower half, while the fourth cell includes an additional vertical stroke of two separate elements between and parallel to the existing vertical strokes. A selectable decimal period is provided at least between the second and third cells, and another may be provided between the third and fourth cells. A fifth cell can be provided consisting of a percentage sign and a cents sign having an oblique stroke in common. All of the thirty five elements can be controlled using only thirty six control lines, so that four are still available for basic control purposes. It is also possible to provide the second cell with a downward right inclined element in the upper half to permit display of an unambiguous "N" and consequent display of the word "NEW". The module is also provided with memory means storing item price information, memory means storing corresponding unit price information and a manually operable button on the module that while actuated will cause the module to display the unit price information in place of the item price information.
490858
Gowling Lafleur Henderson Llp
Telepanel Inc.
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