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. 17, 2021
Filed:
Apr. 18, 2018
Otis Elevator Company, Farmington, CT (US);
Arnaud Blanchard, Région Centre, FR;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
Elevator systems having an elevator car having a first elevator car door and an audio orientation system. The audio orientation system includes an audio system controller, at least one first speaker positioned proximate the first elevator car door, and at least one second speaker positioned in the elevator car opposite the first elevator car door. When the first elevator car door opens, the audio system controller controls the at least one first speaker and the at least one second speaker such that an audio orientation output is generated at at least one of the speakers to indicate that the first elevator car door is open.