Motor control circuit and method that reduce speed jitter of an electric motor

United States of America Patent

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Jun 3, 2014
Grant Date
Apr 25, 2013
app pub date
Oct 21, 2011
filing date
Oct 21, 2011

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Abstract

Motor control circuits and associated methods to control an electric motor provide a plurality of drive signal channels at the same phase, resulting in reduced jitter in the rotational speed of the electric motor.

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Patent Owner	Address
ALLEGRO MICROSYSTEMS LLC	955 PERIMETER ROAD MANCHESTER NH 03103-3353

International Classification(s)

H02P:CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATO....

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Inventor Name	Address	# of filed Patents	Total Citations
Ng, Chee-Kiong	Acton, US	6	70

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Motor control circuit and method that reduce speed jitter of an electric motor

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United States of America Patent

13278461

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PATENT NO	8742713
APP PUB NO	20130099704A1
SERIAL NO	13278461
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 03, 2014	US,8742713,B2 US8742713B2	GRANTED PATENT AS SECOND PUBLICATION
April 25, 2013	US,20130099704,A1 US20130099704A1	FIRST PUBLISHED PATENT APPLICATION

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13278461

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