Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1988-01-26
1989-05-09
Paschall, M. H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219506, 219508, 219494, 307117, H05B 102
Patent
active
048291617
ABSTRACT:
A temperature regulating control unit and method of making the same are provided, the unit comprising a RTD temperature sensor, a unit for applying electrical signals to the sensor, and a microcomputer for receiving digital signals from the sensor in relation to the temperature being sensed by the sensor, the unit for applying electrical signals to the sensor applying a varying voltage to the sensor.
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patent: 4091266 (1978-05-01), Ito et al.
patent: 4216371 (1980-08-01), Masotel
patent: 4424438 (1984-01-01), Antelman et al.
patent: 4594501 (1986-06-01), Culley et al.
patent: 4719326 (1988-01-01), Yoo
Fowler Daniel L.
Gawron Gregory F.
Kadwell Brian J.
Paschall M. H.
Robertshaw Controls Company
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