US Patent 7652472 Magnetic sensor signal detection circuit using a counter
Patent 7652472 was granted and assigned to Sanyo on January, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A signal detection circuit of a magnetic sensor includes a differential amplifier to which an output voltage of a detecting coil of the magnetic sensor is applied; a comparator to which the output of the differential amplifier is input, the comparator outputting a digital signal having one logical value during a time period between two adjacent spike voltages included in the output voltage; and a counter that counts the number of pulses of a clock in a period when the output of the comparator has one logical value.
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Patent Inventor Names
Kazuyuki Kobayashi0
Tatsuya Suzuki0
Yasuhiro Kaneta0
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US Patent 07652472 Magnetic sensor signal detection circuit using a counter US Patent 7652472 Magnetic sensor signal detection circuit using a counter
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Patent Number
076524720
Patent Number
76524720
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Current Assignee
Patent Jurisdiction
Patent Number
076524720
Date of Patent
January 26, 2010
0Patent Application Number
115311980
Date Filed
September 12, 2006
0Official Website
Patent Primary Examiner
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US Patent 07652472 Magnetic sensor signal detection circuit using a counter
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07652472
Date of patent
January 26, 2010
Patent application number
11531198
Date Filed
September 12, 2006
Patent primary examiner
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