Alphanumeric visual display of the matrix type

Details Alphanumeric visual display of the matrix type Alphanumeric visual display of the matrix type

1980-03-28

1983-12-13

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340789, 340792, G09G 300

Patent

active

044207506

ABSTRACT:
An alphanumeric visual display of the matrix type for use in electronic digital wristwatches and similar devices is adapted to display relatively lengthy numerical or character information on a relatively short display area through a consistently varying display fashion. More specifically, display operation takes place in such a manner as to increase an enabled or disabled region (as defined by the number of columns enabled or disabled, respectively) progressively with the passage of time through the utilization of a train of sequentially phase shifted gate signals.

REFERENCES:
patent: 2817815 (1957-12-01), Evans
patent: 3638217 (1972-01-01), Sutherland
patent: 3776364 (1971-04-01), Zanoni
patent: 3778675 (1973-12-01), Harvey
patent: 3848250 (1974-11-01), Kashio
patent: 3868675 (1975-02-01), Firmin
patent: 4163332 (1979-08-01), Salam
patent: 4247802 (1981-01-01), Kurokawa

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