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:
Jul. 08, 2014
Filed:
Jun. 03, 2011
Takeshi Kura, Ogaki, JP;
Hiroyuki Tsuda, Ichinomiya, JP;
Tomonori Kamiya, Ichinomiya, JP;
Hiroki Nagai, Aichi-ken, JP;
Takeshi Kura, Ogaki, JP;
Hiroyuki Tsuda, Ichinomiya, JP;
Tomonori Kamiya, Ichinomiya, JP;
Hiroki Nagai, Aichi-ken, JP;
Semiconductor Components Industries, LLC, Phoenix, AZ (US);
Abstract
A first terminal supplies the bias voltage to a high-potential-side input terminal of a hall element. A second terminal supplies the ground potential to a low-potential-side input terminal of the hall element. A P-channel type transistor is configured such that the source terminal is connected to the power supply potential and the drain terminal is connected to the first terminal. An operational amplifier differentially amplifies the voltage between a predetermined set voltage and the voltage at the first terminal so as to control the gate voltage of the P-channel type transistor.