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. 04, 1989
Filed:
Oct. 23, 1987
Takeo Kushida, Higashimatsuyama, JP;
Susumu Taira, Higashimatsuyama, JP;
Wataru Nagasaki, Higashimatsuyama, JP;
Hajime Muramatsu, Higashimatsuyama, JP;
Toshikazu Sakakibara, Higashimatsuyama, JP;
Diesel Kiki Co., Ltd., , JP;
Abstract
An acceleration sensor comprises a case having defined therein at least one accommodating chamber. At least one magnetic ball is accommodated in the accommodating chamber with a radial play left between the wall surface of the accommodating chamber and the magnetic ball. The magnetic ball is magnetically attracted to a reference position in the accommodating chamber by a magnetic field generating unit. In response to acceleration, deceleration or inclination, the magnetic ball is movable in the accommodating chamber against the attracting force of the magnetic field generating unit. The movement of the magnetic ball is detected by a detector.