Driver device for a thermal print head

Details Driver device for a thermal print head Driver device for a thermal print head

2006-10-24

2006-10-24

Hirshfeld, Andrew H. (Department: 2854)

Incremental printing of symbolic information

Ink jet

Controller

C347S059000

Reexamination Certificate

active

07125089

ABSTRACT:
A print head has m driver devices1that are fed with a supply voltage VDD and that control the driving of resistive elements acting as heaters and a regulator2that is fed with a supply voltage VH higher than the supply voltage VDD and that converts the supply voltage VH into a supply voltage VG, which the regulator2then feeds to the individual driver devices1.

REFERENCES:
patent: 5479197 (1995-12-01), Fujikawa et al.
patent: 5602576 (1997-02-01), Murooka et al.
patent: 5850242 (1998-12-01), Asaba
patent: 6302504 (2001-10-01), Imanaka et al.
patent: 10-138484 (1998-05-01), None

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