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:
Sep. 20, 2011
Filed:
Jun. 07, 2006
Arthur C. Hsu, South Glastonbury, CT (US);
Theresa M. Christy, West Hartford, CT (US);
Arthur C. Hsu, South Glastonbury, CT (US);
Theresa M. Christy, West Hartford, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
A plurality of cars (A-C) traveling in the same hoistway () send communication check codes () to each other over a first communication channel, and if a response is not received () within a predetermined time () the car not getting a response will send a failure mode command to the other two cars (). Either the car (A) which senses the failure, or a predesignated car (B) will assume a wild car mode () after the other two cars are safely parked () out of the way, under control of special sensors and signals sent over a second communications channel. Two out of three cars may operate if only one has communication failure with one or two of the others.