Wireless transmission of temperature determining signals to...

Automatic temperature and humidity regulation – Distance-adjusted

Reexamination Certificate

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C236S04600F, C340S586000

Reexamination Certificate

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06902117

ABSTRACT:
The present invention includes systems and methods using a wireless sensor for wirelessly transmitting a temperature signal to a programmable thermostat without intervening digital storage. A temperature circuit comprises a temperature sensor whose resistance changes with temperature and one or more reactive components. The temperature is inferred at the receiver from the time elapsed between reception of the various coded pulses that indicate activity within the transmitter.

REFERENCES:
patent: 4391913 (1983-07-01), Keldmann
patent: 4734871 (1988-03-01), Tsunoda et al.
patent: 5413278 (1995-05-01), Erikson
patent: 5927599 (1999-07-01), Kath
patent: 6513723 (2003-02-01), Mueller et al.

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