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专利名称：HVAC control发明人：Robert J. Poth申请号：US13066784申请日：20110425
公开号：US201102279A1公开日：20111027
专利附图：
摘要：A method of monitoring HVAC usage includes: maintaining a data structure in anon board memory of a programmable usage monitoring HVAC thermostat; receiving aninitiation signal from a relay; receiving a termination signal from the relay; and updatingthe data structure by adding a duration in units of time to an accumulated time
associated with the relay to keep a log of the elapsed time a function associated with therelay was operative. A programmable usage monitoring HVAC thermostat comprising, auser interface; a microprocessor coupled to the user interface; and a firmwareupgradeable memory coupled to the microprocessor.
申请人：Robert J. Poth
地址：Austin TX US
国籍：US
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