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:
May. 10, 1977
Filed:
Feb. 12, 1976
Applicant:
Inventors:
Takashi Yamada, Anjo, JA;
Kazuo Oishi, Oobu, JA;
Assignee:
Nippon Soken, Inc., Nisnio, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 15 ; 310 30 ; 7351 / ;
Abstract
A collision detecting system is mounted on the front part of an automobile to detect collisions thereof and comprises a permanent magnet, a generating coil and a plunger as its principal component elements. In the system, the plunger in bar form is composed of a magnetic material and it is extended through and displaced within a space which is defined by the cylindrical permanent magnet and disk pole pieces provided at each end of the permanent magnet and having central openings, and the generating coil is mounted in the space to provide a magnetic circuit along with the plunger and the permanent magnet.