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:
Feb. 12, 2013
Filed:
Dec. 17, 2007
Rikio Kondo, Tokyo, JP;
Hiroshi Kigawa, Tokyo, JP;
Rikio Kondo, Tokyo, JP;
Hiroshi Kigawa, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An elevator system includes a car () traveling up and down along a hoistway; a buffer () for stopping the car () at an end of the hoistway, brakes (), (), and () for braking travel of the car (); a car traveling-information acquisition part for acquiring car traveling information; and a brake controller () for controlling the brakes () and (), based upon the information acquired by the car traveling-information acquisition part, so as to reduce a collision speed at a collision of the car with the buffer to below a predetermined speed so that a shock at the collision of the car () with the buffer () can be absorbed to a level below a specified value.