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. 01, 2012
Filed:
Apr. 26, 2007
Takaharu Ueda, Tokyo, JP;
Takehiko Kubota, Tokyo, JP;
Akihiro Chida, Tokyo, JP;
Satoru Takahashi, Tokyo, JP;
Rikio Kondo, Tokyo, JP;
Takaharu Ueda, Tokyo, JP;
Takehiko Kubota, Tokyo, JP;
Akihiro Chida, Tokyo, JP;
Satoru Takahashi, Tokyo, JP;
Rikio Kondo, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
Provided is an elevator apparatus including a first electromagnetic switch and a second electromagnetic switch provided between a first electromagnetic coil and a second electromagnetic coil of a first brake device and a second brake device and a power source. The brake control section includes: a first electromagnetic coil control switch provided between the first electromagnetic coil and a ground section; a second electromagnetic coil control switch provided between the second electromagnetic coil and the ground section; a first processing section for opening and closing the first electromagnetic switch and the first electromagnetic coil control switch in response to a braking operation command issued from an operation control section; and a second processing section for opening and closing the second electromagnetic switch and the second electromagnetic coil control switch in response to the braking operation command.