Diode-less thermal print head and method of controlling same

Details Diode-less thermal print head and method of controlling same Diode-less thermal print head and method of controlling same

1996-03-26

1998-09-08

Hecker, Stuart N.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Having driving circuitry for recording means

B41J 320, B41J 2335

Patent

active

058051953

ABSTRACT:
The present invention provides a method and apparatus that selectively connects a voltage source to a plurality of groups of resistive printing elements, arranged substantially in a single row, in a thermal print head. The power available at printing elements selected to print is greater than that available at printing elements not selected to print.

REFERENCES:
patent: 4032925 (1977-06-01), Kos
patent: 4477820 (1984-10-01), Moriguchi et al.
patent: 4668962 (1987-05-01), Stallkamp
patent: 4737800 (1988-04-01), Caillol et al.
patent: 5444475 (1995-08-01), Mitani

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