Inventors:
Andrea Mucignat - San Francisco CA, US
Oliver Steele - Amherst MA, US
Senthil Supramaniam - Sunnyvale CA, US
Osborne Hardison - Palo Alto CA, US
Richard J. Schultz - Mountain View CA, US
Daniel A. Warren - San Francisco CA, US
Hugo Fiennes - Palo Alto CA, US
Jonathan A. Dutra - Saratoga CA, US
David Bell - Los Altos Hill CA, US
Anthony M. Fadell - Portola Valley CA, US
Matthew L. Rodgers - Los Gatos CA, US
Ian C. Smith - Palo Alto CA, US
Grant M. Erickson - Sunnyvale CA, US
Edwin H. Satterthwaite - Palo Alto CA, US
Joseph E. Palmer - San Jose CA, US
Assignee:
Nest Labs, Inc. - Palo Alto CA
International Classification:
G06F 1/26
G06F 1/32
Abstract:
Provided according to one or more embodiments herein are methods, systems and related architectures for facilitating network communications between a wireless network-connected thermostat and a cloud-based management server in a manner that promotes reduced power usage and extended service life of a rechargeable battery of the thermostat, while at the same time accomplishing timely data transfer between the thermostat and the cloud-based management server for suitable and time-appropriate control of an HVAC system. The thermostat further comprises powering circuitry configured to: extract electrical power from one or more HVAC control wires in a manner that does not require a “common” wire; supply electrical power for thermostat operation; recharge the rechargeable battery (if needed) using any surplus extracted power; and discharge the rechargeable battery to assist in supplying electrical power for thermostat operation during intervals in which the extracted power alone is insufficient for thermostat operation.
