Communications device with plural, power-operated display mechan

Details Communications device with plural, power-operated display mechan Communications device with plural, power-operated display mechan

1976-11-19

1978-09-26

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

340379, G09F 900

Patent

active

041174747

ABSTRACT:
A communications device including plural, power-operated display mechanisms selectively controllable by the operator of the device whereby each may be made to display an information symbol selected at the will of the operator. The device may include a scan system, operable to place selectively different ones of the display mechanisms in a standby condition, with a mechanism when such is in a standby condition being susceptible to starting and stopping as controlled by the operator. A noise-responsive control is specifically disclosed.

REFERENCES:
patent: 2517559 (1950-08-01), Haigh et al.
patent: 3267456 (1966-08-01), Morris et al.
patent: 3482240 (1969-12-01), Solari
patent: 3491354 (1970-01-01), Tschumi
patent: 3848249 (1974-11-01), Meiri
patent: 3928846 (1975-12-01), Arai et al.

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