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:
Jun. 08, 2010
Filed:
Feb. 27, 2004
Applicants:
Jae-hyuk OH, Tolland, CT (US);
Alan M. Finn, Hebron, CT (US);
Pei-yuan Peng, Ellington, CT (US);
Norbert A. M. Hootsmans, S. Glastonbury, CT (US);
Inventors:
Jae-Hyuk Oh, Tolland, CT (US);
Alan M. Finn, Hebron, CT (US);
Pei-Yuan Peng, Ellington, CT (US);
Norbert A. M. Hootsmans, S. Glastonbury, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positioning system having a plurality of transponder modules each located at a known location for receiving an electromagnetic signal and emitting a light signal, at least one transceiver module for emitting an electromagnetic signal and receiving the light signal, and apparatus processing the received light signal to determine a position of the at least one transceiver module.