Two dimensional visual display

Details Two dimensional visual display Two dimensional visual display

1984-07-18

1988-11-01

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340754, 340762, 34081503, 3408151, G09G 332

Patent

active

047823364

ABSTRACT:
A two-dimensional visual display comprises one or more groups of one dimensional display components 12 (FIG. 2), each component being formed by spaced individually energizable display elements 11, conveniently l.e.d. groups, attached to a multiconductor cable 13. Each display component has serial input shift register means formed by separate m-stage shift registers 17 disposed along the cable each feeding display energizing signals from stage outputs to m adjacent display elements enabling the same m conductors of the cable to be isolated (at 17') and used to connect each shift register to its associated display elements irrespective of the number along the component.
The, or each, group comprises 8 components and the shift registers of the group are addressed in parallel by single bits of a stream of words produced by an 8-bit microprocessor and representing the message to be displayed by the display elements.

REFERENCES:
patent: 4162493 (1979-07-01), Ross et al.
patent: 4173035 (1979-10-01), Hoyt
patent: 4179832 (1979-12-01), Lemelson
patent: 4388589 (1983-06-01), Molldrum, Jr.
patent: 4488149 (1984-12-01), Givens, Jr

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