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:
Dec. 04, 2018
Filed:
Mar. 23, 2015
Otis Elevator Company, Farmington, CT (US);
Om Prakash, Pune, IN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
Embodiments are directed to a converter configured to supply power to a motor of an elevator, a first power source coupled to the converter and configured to provide input power to the converter, and a second power source selectively coupled to the converter and configured to provide input power to the converter when power from the first power source is unavailable and when an elevator car of the elevator is moving, wherein a speed of the elevator car remains substantially constant when a transition in terms of the input power to the converter is made from the first power source to the second power source.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile