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. 17, 2014
Filed:
Feb. 24, 2011
Daniel Adam Warren, San Francisco, CA (US);
Hugo Fiennes, Palo Alto, CA (US);
Jonathan Alan Dutra, Saratoga, CA (US);
David Bell, Los Altos Hills, CA (US);
Anthony Michael Fadell, Portola Valley, CA (US);
Matthew Lee Rogers, Los Gatos, CA (US);
Daniel Adam Warren, San Francisco, CA (US);
Hugo Fiennes, Palo Alto, CA (US);
Jonathan Alan Dutra, Saratoga, CA (US);
David Bell, Los Altos Hills, CA (US);
Anthony Michael Fadell, Portola Valley, CA (US);
Matthew Lee Rogers, Los Gatos, CA (US);
Nest Labs, Inc., Palo Alto, CA (US);
Abstract
A thermostat and related methods are described for controlling one or more functions, such as heating and cooling in an HVAC. According to some embodiments the thermostat includes a rechargeable battery; charging circuitry adapted and arranged to recharge the battery; and control circuitry adapted and arranged to control the one or more HVAC functions using power from the rechargeable battery. According to some embodiments, the thermostat also includes power harvesting circuitry adapted and arranged to harvest power from the HVAC system in cases where no common wire is available to the thermostat, and to supply power to the charging circuit for recharging the battery.