Alphanumeric display with 21-dot matrix format

Details Alphanumeric display with 21-dot matrix format Alphanumeric display with 21-dot matrix format

1997-09-30

2000-08-08

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 33, G09G 306

Patent

active

061008583

ABSTRACT:
An alphanumeric symbol generator having a five-by-five matrix of twenty-one pixels. The pixels are arranged such that there are no pixels at the points where the second and fourth columns intersect with the second and fourth rows. The pixels may be light emitting devices, such as light emitting diodes or liquid crystal displays. The pixels may also consist of the pins in a dot-matrix printer. The pixels in the five-by-five matrix are activated in response to electronic codes corresponding to alphanumeric characters. Typically, a series of 21-pixel matrices are aligned side-by-side to create a display that communicates multiple words, numbers, and symbols.

REFERENCES:
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patent: 3872463 (1975-03-01), Lapeyre
patent: 4109245 (1978-08-01), Hedin
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patent: 4482894 (1984-11-01), Matsui et al.
patent: 5016002 (1991-05-01), Levanto
patent: 5475516 (1995-12-01), Yoshizawa et al.

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