Hand held communication aid for the dumb

Details Hand held communication aid for the dumb Hand held communication aid for the dumb

1976-11-05

1978-02-21

Curtis, Marshall M.

Communications: electrical

Systems

With specific power supply

340311, 340336, 340365R, G06F 314

Patent

active

040756211

ABSTRACT:
A hand held communication aid for the dumb includes a casing, containing a keyboard, which is easily held in one hand and the keyboard positioned to be operated by the other hand of the user or "speaker". The end of the casing has a visual light emitting diode type alpha-numeric display unit facing the reader who would be standing opposite the user. Provision is also made for connecting this unit into a telephone system.

REFERENCES:
patent: 3925779 (1975-12-01), Gerstenhaber
patent: 3976995 (1976-08-01), Sebestyen
Small Interactive Terminal Has Full ASCII Keyboard; Electronics; 5/16/74; pp. 174, 177.
An Alphanumeric Display as a Communication Aid for the Dumb; Newell et al., Med. & Biol. Eng., Jan. 1975; pp. 84-88.

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