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:
Oct. 12, 2010
Filed:
Dec. 27, 2006
Rajendra K. Shah, Indianapolis, IN (US);
William F. Van Ostrand, Indianapolis, IN (US);
Rajendra K. Shah, Indianapolis, IN (US);
William F. Van Ostrand, Indianapolis, IN (US);
Carrier Corporation, Farmington, CT (US);
Abstract
A control system to measure a sinusoidal AC voltage in a heating, ventilation includes a controller and a circuit connected to the controller. The circuit generates a pulse voltage based upon the AC voltage. The pulse voltage has a pulse duration. The controller measures a measured pulse duration based on the pulse duration and determines the AC voltage based upon the measured pulse duration.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile