Alpha-numeric character generator arrangement

Details Alpha-numeric character generator arrangement Alpha-numeric character generator arrangement

1980-02-11

1982-04-06

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340750, 178 30, G09G 0000

Patent

active

043238920

ABSTRACT:
An alpha-numeric character generator arrangement having as a character store a "read-only" memory in which characters are stored in a character format composed of a co-ordinate matrix (e.g. a 7.times.5 dot matrix) of discrete character elements. One aspect of the invention resides in storing the descender letters g, j, p, q and y such that those elements forming the "tail" of the descender letter are stored in character element rows which in a given row addressing sequence for the store precede the character element rows in which the remaining elements for the descender letter are stored. Another aspect of the invention resides in addressing the character element rows of the character store in a partially cyclic manner such that descender letters are read-out for display in a "lowered", correctly aligned, position in a row of displayed characters. FIGS. 6 and 8 illustrate the invention.

REFERENCES:
patent: 3568178 (1971-03-01), Day
patent: 3868672 (1975-02-01), Johnson
patent: 3877007 (1975-04-01), Fishman

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