US Patent 7737733 Current-voltage conversion circuit
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Patent abstract
A current-voltage conversion circuit which converts a current to be detected into a voltage, includes a detection resistor, amplifier circuit having a first operational amplifier, and an offset adjusting current source having a third resistor and a fourth resistor which are capable of trimming. The offset adjusting current source causes an offset adjustment current to flow in the offset resistor. The current value of the offset adjustment current is controlled by adjusting the resistance of the third resistor and the fourth resistor. A voltage at a node between the first transistor and the second resistor is output.
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Patent Inventor Names
Ichiro Yokomizo0
Yutaka Shibata0
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US Patent 07737733 Current-voltage conversion circuit US Patent 7737733 Current-voltage conversion circuit
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Patent Number
077377330
Patent Number
77377330
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Official Website
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Patent Jurisdiction
Patent Number
077377330
Date of Patent
June 15, 2010
0Patent Application Number
119956440
Date Filed
July 11, 2006
0Official Website
Patent Primary Examiner
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US Patent 07737733 Current-voltage conversion circuit
Infobox
Is a
Patent jurisdiction
Patent number
07737733
Date of patent
June 15, 2010
Patent application number
11995644
Date Filed
July 11, 2006
Patent primary examiner
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