US Patent 7461536 Circuit arrangement for operating a gas sensor
Patent 7461536 was granted and assigned to Bosch on December, 2008 by the United States Patent and Trademark Office.
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Patent abstract
A circuit configuration for operating a gas sensor is described, including a reference gas space in which an electrode is situated which is supplied with a reference gas pump current to maintain the concentration of the reference gas. A diagnostic system determines a concentration change of the reference gas via a change in the reference pump current and a time-based evaluation of the sensor signal of the gas sensor.
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Patent Jurisdiction
Patent Number
74615360
Date of Patent
December 9, 2008
0Patent Application Number
105381240
Date Filed
September 24, 2003
0Patent Primary Examiner
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US Patent 07461536 Circuit arrangement for operating a gas sensor US Patent 7461536 Circuit arrangement for operating a gas sensor
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Patent Number
0746153600
Patent Number
746153600
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Patent Jurisdiction
Patent Number
074615360
Date of Patent
December 9, 2008
0Patent Application Number
105381240
Date Filed
September 24, 2003
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074615360
Date of Patent
December 9, 2008
0Patent Application Number
105381240
Date Filed
September 24, 2003
0Official Website
Patent Primary Examiner
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US Patent 07461536 Circuit arrangement for operating a gas sensor
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07461536
Date of patent
December 9, 2008
Patent application number
10538124
Date Filed
September 24, 2003
Patent primary examiner
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