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:
Apr. 01, 2008
Filed:
Apr. 12, 2004
Osamu Shimomura, Nishio, JP;
Tsutomu Nakamura, Kariya, JP;
Kenji Takeda, Okazaki, JP;
Yoshiyuki Kono, Obu, JP;
Takashi Kawashima, Nagoya, JP;
Takashi Hamaoka, Kariya, JP;
Osamu Shimomura, Nishio, JP;
Tsutomu Nakamura, Kariya, JP;
Kenji Takeda, Okazaki, JP;
Yoshiyuki Kono, Obu, JP;
Takashi Kawashima, Nagoya, JP;
Takashi Hamaoka, Kariya, JP;
Nippon Soken, Inc., , JP;
Denso Corporation, , JP;
Abstract
External magnetic members are provided outside the outer periphery of a rotor. When the rotor is positioned around its turning angle of 70 degrees, part of the magnetic fluxes generated by magnets pass through the external magnetic members. This makes it possible to reduce the magnetic fluxes passing through Hall ICs around the turning angle of 70 degrees, thereby linearizing the change characteristic of the magnetic flux density. Thus, it is possible to generally linearize the change characteristic of the density of the magnetic fluxes through the Hall ICs, with the detectable angle range kept wide.