Firing actuator power supply system

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United States of America Patent

PATENT NO 9033469
SERIAL NO

14345658

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Abstract

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A method and apparatus supply electrical current to a firing actuator of a printhead die across a high side switching transistor in a source follower arrangement and supply a regulated voltage, that is no greater than a concurrent voltage at a drain of the HSS transistor, to a gate of the high side switching transistor.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fricke, Peter J Corvallis, US 29 481
Gardner, James M Corvallis, US 31 673
Hunter, Mark A Portland, US 6 448

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