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:
Jul. 03, 2001
Filed:
Dec. 22, 1998
Applicant:
Inventors:
Clement Alexander Skalski, Avon, CT (US);
Alberto Vecchiotti, Middletown, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/06 ;
U.S. Cl.
CPC ...
B66B 5/06 ;
Abstract
An apparatus and method for determining the speed of an elevator car. A radar speed sensor (,) is provided determining the velocity of an elevator car (,). The speed sensor produces a signal which is processed by a processor (,) and compared to a threshold speed value by speed detection module (,). The speed detection module produces an overspeed signal (,) triggering the operation of actuator (,) and safety brake (,).