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.

Date of Patent:
Aug. 09, 1983

Filed:

Jul. 23, 1981
Applicant:
Inventors:

Alan L Husson, Hackettstown, NJ (US);

Jane B Lanctot, St. Paul, MN (US);

Assignee:

Westinghouse Electric Corp., Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 / ;
Abstract

An elevator system having a plurality of cars under group supervisory control by a programmable dispatcher. A monitor detects dispatcher failure via a plurality of tests which includes timing each hall call, and performing predetermined checks, tests and comparisons for each call related to actual system operating conditions.


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