The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 06, 2001

Filed:

Sep. 30, 1999
Applicant:
Inventors:

Teruaki Yagoshi, Kawasaki, JP;

Takakazu Kobayashi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 8/00 ; B41J 2/938 ;
U.S. Cl.
CPC ...
H02P 8/00 ; B41J 2/938 ;
Abstract

A stepping motor control unit for controlling a stepping motor is provided with a time measuring section for measuring time outputting a time completion pulse when a predetermined time elapses, a mutual excitation waveform output circuit switching a mutual excitation waveform to be applied to the stepping motor in response to the time completion pulse, an interrupt prohibit circuit outputting an interrupt enable signal which indicates an interrupt enable state or an interrupt prohibit state, an interrupt generating circuit generating an interrupt signal in response to the time completion pulse only when the interrupt enable signal indicates the interrupt enable state, and a processor controlling the stepping motor every time the interrupt signal is received.


Find Patent Forward Citations

Yagoshi, Teruaki. (2001). Stepping motor control unit and image forming apparatus (U.S. Patent No. 6184646). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6184646

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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