The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2001
Filed:
Feb. 04, 1999
Denso Corporation, Kariya, JP;
Abstract
Magnetic resistive elements,and,cooperatively detect the change of the magnetic field responsive to the rotation of a gear,fixed to a shaft,An amplification circuit,comprises an operational amplifier,having an input terminal to which a gain-determining input resistor,is connected. A gain-determining feedback resistor,is provided in a feedback path of the operational amplifier,The gain-determining resistors,and,are formed by a P well region and a P,region of a MOS process element. The temperature characteristics of the gain-determining resistor,and,are opposed to that of the magnetic resistive elements,and,The temperature characteristics of the gain of the operational amplifier,cancel the temperature characteristics of the magnetic resistive elements,and
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