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:
Aug. 19, 1980
Filed:
Mar. 12, 1979
Applicant:
Inventors:
Noboru Masuda, Tokyo, JP;
Mitsuyuki Suzuki, Okazaki, JP;
Assignees:
Denki Onkyo Co., Ltd., Tokyo, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; G08B / ;
U.S. Cl.
CPC ...
73313 ; 340 59 ; 340624 ;
Abstract
Liquid level sensing device comprising magnet received in the cylindrical portion of an oil reservoir cap, a signal generating electrical circuit, by which an oil level is indicated, including galvano-magneto effect transducing device attached to the magnet, magnetic device carried on a diaphragm of the oil reservoir and movable with respect to the transducing device, the magnetic device moving away from the transducing device when the diaphragm is lowered so that an electric signal is generated by the transducing device.