Column parallel readout with a differential sloped A/D converter

United States of America Patent

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Dec 30, 2008
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Oct 30, 2008
app pub date
Apr 24, 2007
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Apr 24, 2007

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Abstract

A dual slope A/D converter uses two opposite sense ramps added to its differential input. The value in a digital counter is latched at the time when the two ramps intersect. This enables a more consistent switching point, allowing the amplifier to the linear over a larger part of its range.

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Patent Owner(s)

FORZA SILICON CORPORATION

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H03M:CODING, DECODING OR CODE CONVERSION, IN GENERAL

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Inventor Name	Address	# of filed Patents	Total Citations
Ang, Lin Ping	Chino Hills, CA	11	103
Van, Blerkom Daniel	Altadena, CA	24	153

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Column parallel readout with a differential sloped A/D converter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11739619

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PATENT NO	7471231
APP PUB NO	20080266155A1
SERIAL NO	11739619
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 30, 2008	US,7471231,B2 US7471231B2	GRANTED PATENT AS SECOND PUBLICATION
October 30, 2008	US,20080266155,A1 US20080266155A1	FIRST PUBLISHED PATENT APPLICATION

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11739619

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