Teletypewriter

Details Teletypewriter Teletypewriter

1978-08-16

1980-05-27

Sewell, Paul T.

Typewriting machines

Annular typewriter

400320, 400322, 400328, B41J 320, B41J 1930

Patent

active

042047765

ABSTRACT:
By utilizing as the driving elements for paper positioning and printing head positioning two solenoids, only, with appropriate electrical and mechanical timing control apparatus to assure synchronization of printing and related functions a low cost, portable, low weight, low-power-consumption teletypewriter can be realized.

REFERENCES:
patent: 3509980 (1970-05-01), Loughry et al.
patent: 3532205 (1970-10-01), Ozaki et al.
patent: 3710912 (1973-01-01), Bretti et al.
patent: 3757922 (1973-09-01), Sweeney
patent: 3810192 (1974-05-01), Okabe
patent: 3826915 (1974-07-01), Giolitti et al.
patent: 3934698 (1976-01-01), McGourty
patent: 3987882 (1976-10-01), Kobryn
patent: 4040511 (1977-08-01), Beaven et al.

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