Decoding means with error inhibitor for use with a typewriter

Details Decoding means with error inhibitor for use with a typewriter Decoding means with error inhibitor for use with a typewriter

1975-11-18

1977-04-12

Burr, Edgar S.

Textiles: fiber preparation

197 98, B41J 508

Patent

active

040169677

ABSTRACT:
Apparatus is disclosed for attachment to a standard typewriter for selectively actuating one or more of a plurality of magnetically actuated switches to provide unique electrical signals that can be recorded or otherwise used to transmit information. The information electrical signals are produced in response to actuation of the typewriter key and an opto-electronic switching circuit is utilized to prohibit the generation of the electrical signals unless and until a type head strikes the platen. Reed switches and actuating levers are provided for each of the unique keys of the typewriter so that signals identifying the corresponding character or function can be produced.

REFERENCES:
patent: 3060272 (1962-10-01), Bacon et al.
patent: 3233715 (1966-02-01), Flieg
patent: 3721327 (1973-03-01), Werf et al.
patent: 3818441 (1974-06-01), Nomiya et al.
patent: 3872468 (1975-03-01), Giolitti et al.
patent: 3892915 (1975-07-01), Budworth et al.

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