Character module for automatic sign

Details Character module for automatic sign Character module for automatic sign

1973-02-05

1977-05-17

Caldwell, John W.

Communications: electrical

Systems

With specific power supply

340381, 340378R, 40 28C, G09B 1300, H05B 3900, H05B 4100

Patent

active

040245322

ABSTRACT:
A reflective type module for remotely controlled sign displays providing a plurality of linear elements adapted for form the Latin alphabet and Arabic numerals, each element controlled by a two position electromechanical motor to be rotatably moved to a visual or non-visual state in response to an electrical signal. Each module is self-contained and individually encased.

REFERENCES:
patent: 3096594 (1963-07-01), Skrobisch
patent: 3273270 (1966-09-01), Skrobisch
patent: 3368216 (1968-02-01), Rose
patent: 3469258 (1969-09-01), Winrow
patent: 3614773 (1971-10-01), Gordon
patent: 3725910 (1973-04-01), McNaney

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