Printheads with sensor plate impedance measurement

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United States of America Patent

PATENT NO 9962949
APP PUB NO 20170028738A1
SERIAL NO

15113384

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Abstract

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In an implementation, a printhead includes a nozzle and a fluid channel. A sensor plate is located within the fluid channel. An impedance measurement circuit is coupled to the sensor plate to measure impedance of fluid within the channel during a fluid movement event that moves fluid past the sensor plate.

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Patent Owner(s)

  • HEWLETT-PACKARD COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ghozeil, Adam L Corvallis, US 64 1475
Linn, Scott A Corvallis, US 123 420
Maxfield, David Philomath, US 26 186
Van, Brocklin Andrew Corvallis, US 9 17

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