Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent
1984-09-19
1986-08-05
Mancene, Gene
Card, picture, or sign exhibiting
Changing exhibitor
Alphanumeric device
40446, G09F 304
Patent
active
046034951
ABSTRACT:
The invention provides an alphanumeric display module of four controllable cells, each constituted by electrically selectable elements that is able to provide significantly increased vocabulary of words considered essential for merchandising, such as "SAVE" and "BUY", displayed in an acceptable unambiguous manner, while requiring less than 40 electric control lines, so that currently available 40 terminal memory storage devices can be employed in a simple and economical control circuit. 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 thus, for example, removing ambiguity between "U" and "V", while the fourth cell includes an additional vertical stroke of two separate elements between and parallel to the existing vertical strokes to permit, for example, acceptable display of "T" and "Y" and "W". 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, i.e., ground, power input, clock input and display backplane. 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".
REFERENCES:
patent: 3273270 (1966-09-01), Skrobisch
patent: 3516185 (1970-06-01), Paine
patent: 3570158 (1971-03-01), Hackett
patent: 3803589 (1974-04-01), Hatsukano et al.
patent: 4092638 (1978-05-01), Ripley
patent: 4142182 (1979-02-01), Kmetz
patent: 4231034 (1980-10-01), Bechteler
patent: 4394653 (1983-07-01), Breeze
Mancene Gene
Stone Cary E.
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