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:
Sep. 26, 1978
Filed:
Aug. 10, 1976
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ; B60T / ; G08B / ;
U.S. Cl.
CPC ...
340 / ; 200 614 ; 200 / ; 340624 ; 340679 ;
Abstract
An apparatus for detecting variation of a condition in a mechanical device comprises a detecting transformer or plurality of such transformers provided with an input winding, a control winding and an output winding, an A. C. power source connected to said input winding, and a detecting element connected in series with said control winding. The normally closed detecting element is adapted to become open circuited in response to variation of the condition amount in said mechanical device. A required output signal is taken out and detected by an output circuit from the output winding due to the open circuiting of the detecting element.