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:
Aug. 11, 2020
Filed:
Sep. 26, 2017
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/18 (2006.01); B66B 5/00 (2006.01); H04W 4/80 (2018.01); B66B 3/00 (2006.01);
U.S. Cl.
CPC ...
G08B 21/18 (2013.01); B66B 3/002 (2013.01); B66B 5/005 (2013.01); B66B 5/0025 (2013.01); B66B 5/0087 (2013.01); H04W 4/80 (2018.02);
Abstract
An elevator motion alert system for alerting a mechanic working inside a hoistway comprises a self-power-generating car beacon mounted on an elevator car, a self-power-generating counterweight beacon mounted on a counterweight, and a mobile device carried by the mechanic for receiving signals transmitted from the car beacon and the counterweight beacon and for providing an alert to the mechanic whenever the elevator car or the counterweight is approaching.