Electronically controlled typewriter, printer, or the like and r

Details Electronically controlled typewriter, printer, or the like and r Electronically controlled typewriter, printer, or the like and r

1989-06-09

1993-07-06

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400242, 400703, B41J 3528

Patent

active

052247848

ABSTRACT:
In an electrically controlled typewriter, a printer or the like it is provided that for the read-out of a magnetic coding on a rotationally driven part a sensor emits output signals in reference to a changing magnetic field. Preferably the sensor is in the form of a pulse wire. A ribbon cassette for such a typewriter is distinguished by the disposition of at least one magnet on a rotationally driven part Advantageously this is a Wiegand wire. A type wheel can be coded in a corresponding manner.

REFERENCES:
patent: 4639670 (1987-01-01), Normann
patent: 4710044 (1987-12-01), Ackermann
patent: 4747716 (1988-05-01), van er Eikel
patent: 4793192 (1988-12-01), Jerger et al.
patent: 4797016 (1989-01-01), Lahr
"Magnetic Sensor Impulse Wires (Magnetische Sensoren Impulsdrahte," Technical Bulletin, Vacummschmelze GmbH, date unknown.
Ricoh, K. K., "Type Wheel," Patent Abstracts of Japan, vol. 9, No. 139, Jun. 14, 1985.
IBM Technical Disclosure Bulletin, vol. 24, No. 10, Mar. 1982.

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