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. 02, 2026
Filed:
Nov. 29, 2021
Otis Elevator Company, Farmington, CT (US);
Peter Depaola, Glastonbury, CT (US);
Wade A. Montague, Southington, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A method of calling an elevator car for an elevator system including: transmitting, using a first beacon, a first poll wireless signal, the first poll wireless signal having a first poll transmission speed; receiving, using the first beacon, a first response wireless signal from a passenger mobile device in response to the first poll wireless signal, the first response wireless signal having a first response transmission speed; determining a first time of flight between transmission of the first poll wireless signal from the first beacon and receipt of the first response wireless signal at the first beacon; calculating a first distance between the first beacon and the passenger mobile device based on the first time of flight, the first poll transmission speed, and the first response transmission speed; and determining a location of the passenger mobile device based on at least the first distance.