Precessing display pager

Details Precessing display pager Precessing display pager

1975-05-22

1976-08-24

Curtis, Marshall M.

Communications: electrical

Systems

With specific power supply

340311, 340365R, G09F 932

Patent

active

039769950

ABSTRACT:
A hand held pager is disclosed in which a transmitted message is displayed in alpha
umeric form by a precessing display which moves the received message across the display in a continuous fashion so that the display need be only large enough to present a relatively small portion of the total message at any given time. In one embodiment a dot matrix LED display is used and is driven by a recirculating shift register memory to provide the precession of the message as a result of the recirculation. In another embodiment the pager may also include a message entry section in which the precessing display is used to present and edit the message prior to transmission either via an acoustic telephone link to a remote transmitter, or directly from a transmitter carried in the pager/encoder package.

REFERENCES:
patent: 3753038 (1973-08-01), Liddle
patent: 3772597 (1973-11-01), Stover
patent: 3911424 (1975-10-01), Giannuzzi et al.
An Alphanumeric Display as a Communication Aid for the Dumb, Newell et al.; Med. & Biol. Eng.; Jan., 1975; pp. 84-88.
Small Interactive Terminal has Full ASCII Keyboard; Electronics; May 16, 1974; pp. 174 & 177.
Electroluminescent Typewriter by T. Hamburger, pp. 575-584 Proc. of Nat. Elec. Conf. vol. 15, 1959.

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