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:
Oct. 19, 1993
Filed:
Mar. 01, 1991
Shinji Fukui, Okazaki, JP;
Takaharu Idogaki, Okazaki, JP;
Toshihisa Ishihara, Nishio, JP;
Hideki Kusunoki, Toyota, JP;
Hideo Inoue, Ashigarakami, JP;
Nippon Soken, Inc, Nishio, JP;
Toyota Jidosha Kabushiki Kaisha, Toyoto, JP;
Abstract
An angular velocity sensor having a casing in which a disk shaped permanent magnet member is arranged so that it floats on a magnetic fluid filled in the casing. A Hall motor is provided for rotating the permanent magnet about its axis in the casing, and a detection unit is provided detecting an inclination of the magnet member about an axis which is transverse to the axis about which the magnet member rotates, which inclination is generated when the sensor is subjected to an angular movement. An angular velocity of such an angular movement is calculated from the detected degree of inclination of the magnet member.