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. 05, 1998
Filed:
Dec. 22, 1995
Applicant:
Inventors:
Steven D Coste, Berlin, CT (US);
Jeff Izard, Bolton, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ; B66B / ;
U.S. Cl.
CPC ...
187394 ; 187 93 ;
Abstract
An elevator car position compensator includes a compensated position signal generator which, via a closed-loop feed-back arrangement, adjusts a true position signal by using a signal related to dynamic slip and stretch of the hoist ropes.