PWM driver and class D amplifier using same

United States of America Patent

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Jul 7, 2009
Grant Date
May 4, 2006
app pub date
Oct 31, 2005
filing date
Nov 1, 2004

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Abstract

operates at the second sampling frequency synchronized to the first sampling frequency. The second sampling frequency can be correlated to the delta wave frequency of the PWM driver. Also, synchronization of said first sampling frequency and said second sampling frequency can be carried out with one of said frequencies being an integer multiple of the other.

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Patent Owner(s)

TEXAS INSTRUMENTS INCORPORATED;TEXAS INSTRUMENTS JAPAN, LTD.

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H03M:CODING, DECODING OR CODE CONVERSION, IN GENERAL

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Inventor Name	Address	# of filed Patents	Total Citations
Ido, Toru	Kanagawa , JP	56	125
Ishizuka, Soichiro	Kanagawa , JP	7	42

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PWM driver and class D amplifier using same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11263453

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PATENT NO	7557744
APP PUB NO	20060092063A1
SERIAL NO	11263453
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 07, 2009	US,7557744,B2 US7557744B2	GRANTED PATENT AS SECOND PUBLICATION
May 04, 2006	US,20060092063,A1 US20060092063A1	FIRST PUBLISHED PATENT APPLICATION

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11263453

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