Electro resistive printhead drive level sensing and control

Details Electro resistive printhead drive level sensing and control Electro resistive printhead drive level sensing and control

1984-10-30

1986-03-11

Goldberg, E. A.

Recorders

Thermal recording

400120, G01D 1510, B41J 320

Patent

active

045757313

ABSTRACT:
A voltage mode printhead drive for a resistive ribbon 20 employs sensing electrodes 7a contiguous to drive electrodes 1a through 1n. Electrodes 7a sense the return voltage, Vc, from the drive electrodes to ground. Electrodes 7a are mounted in and are a part of the printhead.

REFERENCES:
patent: 4345845 (1982-08-01), Bohnhoff et al.
patent: 4375339 (1983-03-01), Dyer et al.
patent: 4390884 (1983-06-01), Applegate et al.
patent: 4425569 (1984-01-01), Kawanishi et al.
patent: 4434356 (1984-02-01), Craig et al.
IBM Technical Disclosure Bulletin Article Entitled "Resistive Ribbon Printhead Drive," by F. J. Horlander, vol. 26, No. 3A, Aug. 1983, at pp. 1161-1162.

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