Thermal printer having expanded character set thermal printhead

Details Thermal printer having expanded character set thermal printhead Thermal printer having expanded character set thermal printhead

1977-02-03

1979-02-20

Hartary, Joseph W.

Recorders

Thermal recording

219216, G01D 1510

Patent

active

041410173

ABSTRACT:
A thermal printer has a thermal printhead having coincident current-activated semiconductor mesas arranged to a matrix, the number of mesas being greater than the number of x and y drive lines. The printhead has a decoder formed thereon and a number of coincident current lines equal to the number of mesas. The input to the decoder comes from the x and/or y drive lines and selects coincident current lines to provide desired characters according to coded input signals.

REFERENCES:
patent: 3312979 (1967-04-01), Torre
patent: 3700852 (1972-10-01), Ruggiero
patent: 3988569 (1976-10-01), Henrion
patent: 4044346 (1977-08-01), Akahane

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