US Patent 7619407 Gear tooth sensor with single magnetoresistive bridge
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Patent abstract
The invention discloses a rotation sensor suitable for gear wheels. MR (magneto-resistive) sensors are placed inside a zero field region generated by at least two permanent magnets. The sensors are divided into two groups that are immersed in different locally generated magnetic environments. A differential signal taken between the two groups then senses the movement of the wheel's teeth. A single wafer method for manufacturing the device is also briefly described.
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US Patent 07619407 Gear tooth sensor with single magnetoresistive bridge US Patent 7619407 Gear tooth sensor with single magnetoresistive bridge
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Patent Number
0761940700
Patent Number
761940700
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Official Website
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Patent Jurisdiction
Patent Number
076194070
Date of Patent
November 17, 2009
0Patent Application Number
120822570
Date Filed
April 10, 2008
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
076194070
Date of Patent
November 17, 2009
0Patent Application Number
120822570
Date Filed
April 10, 2008
0Official Website
Patent Primary Examiner
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US Patent 07619407 Gear tooth sensor with single magnetoresistive bridge
Infobox
Is a
Patent jurisdiction
Patent number
07619407
Date of patent
November 17, 2009
Patent application number
12082257
Date Filed
April 10, 2008
Patent primary examiner
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