Document feeding and printing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4688481
SERIAL NO

06859331

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A document printer in which a print drum is driven by a direct current electric motor whose voltage is controlled by a first voltage regulator circuit for supplying a first voltage to the motor during a non-printing operating condition and a voltage boost circuit for supplying a higher voltage to the motor during a printing operating condition so that the same document feed rate is maintained throughout the operation of the device.

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Patent Owner(s)

Patent OwnerAddress
GIESECKE & DEVRIENT AMERICA INC11419 SUNSET HILL ROAD RESTON VA 22090

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cargill, N Allen Warminster, PA 11 389

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