User type access HVAC control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO RE47235
SERIAL NO

14195844

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Abstract

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Systems and methods are described for id='REI-00001' date='20190212' synchronizing an HVAC control system. A method, includes: a synchronization sequence including: reading a base time from an internal clock at a first time and saving the base time; measuring an elapsed time interval, from the first time to a second time, by counting an external clock using a frequency counter; and then resetting the internal clock to the base time plus the elapsed timeid='REI-00001' id='REI-00002' date='20190212' regulating user access to an interactive user interface of a programmable thermostat, each user identified by a personal identification number associated with a user type, wherein each personal identification number is recognized by the programmable thermostat as belonging to an access level and users identified as building owners or maintenance personnel are granted further system accessid='REI-00002' .

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Patent Owner(s)

Patent OwnerAddress
POTH INVESTMENT TRUST297 MENTON LANE KELLER TX 76248

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Poth, Robert J Austin, US 9 856

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