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US Patent 7667536 Offset fixing operational amplifier circuit

Patent 7667536 was granted and assigned to Panasonic on February, 2010 by the United States Patent and Trademark Office.

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Patent abstract

In an offset fixing operational amplifier circuit, an operational amplifier circuit includes an input stage containing a first constant current source, a second constant current source, a first differential pair and a second differential pair. A bias circuit supplies a bias voltage to the operational amplifier circuit. An offset fixing circuit controls the input stage in accordance with an input voltage of the operational amplifier circuit.

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Patent Citations Received
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US Patent 11791785 Sign switching circuitry
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Patent Inventor Names
Hiroshi Kojima0
Munehiko Ogawa0
Tomokazu Kojima0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076675360
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US Patent 07667536 Offset fixing operational amplifier circuit US Patent 7667536 Offset fixing operational amplifier circuit

Infobox
Patent Number
076675360
Patent Number
76675360
Edits on 24 Sep, 2022
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edited on 24 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
Panasonic
Panasonic
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
076675360
Date of Patent
February 23, 2010
0
Patent Application Number
121281770
Date Filed
May 28, 2008
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076675360
Patent Primary Examiner
‌
Henry K Choe
0
Edits on 18 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07667536
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 US Patent 07667536 Offset fixing operational amplifier circuit

Infobox
Is a
Patent
Patent
Current assignee
Panasonic
Panasonic
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07667536
Date of patent
February 23, 2010
Patent application number
12128177
Date Filed
May 28, 2008
Patent primary examiner
‌
Henry K Choe

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