Digital display devices with remote updating

Details Digital display devices with remote updating Digital display devices with remote updating

1976-07-02

1978-11-21

Jackmon, Edith S.

Communications: electrical

Land vehicle alarms or indicators

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

58 25, 58145K, 58152T, 179 2TC, 340324M, G04C 300, G04C 1304, H04M 1538

Patent

active

041259939

ABSTRACT:
Digital display devices and digital timepieces in which the display is remotely updated. The method permits continuous updating with simple and inexpensive TTL Logic and less frequent updating with microprocessor means. The remote updating signal can be transmitted through telephone means, broadcast means or other standard communications means to simultaneously update multiple digital displays.
A single improved digital display device can be utilized as a master for controlling the display of multiple devices.

REFERENCES:
patent: 3681914 (1972-08-01), Loewengart
patent: 3811265 (1974-05-01), Cater
patent: 3813533 (1974-05-01), Cone et al.
patent: 3861134 (1975-01-01), Chacon et al.
patent: 3943288 (1976-03-01), Reed et al.

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