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:
Mar. 16, 1999
Filed:
Nov. 07, 1996
Garnett Thompson, Bloomfield, CT (US);
Richard N Fargo, Plainville, CT (US);
David K Gentzler, Tucson, AZ (US);
Bennie Murah, Farmington, CT (US);
James P Towey, Jr, Bristol, CT (US);
Michael J Tracey, Cromwell, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
A secondary positioning system for elevator car doors includes three sensors positioned in register with a plurality of openings formed within a door hanger. The unique spacing between the sensors in combination with unique spacing between each of the openings within the door hanger, allows determination of fully closed, fully opened, and intermediate positions and direction of elevator car doors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile