Temperature controller for providing a rapid initial heating cyc

Electric heating – Heating devices – With power supply and voltage or current regulation or...

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Details

219501, 219497, 219212, 323297, 307356, H05B 102

Patent

active

045490740

ABSTRACT:
A temperature controller applied to flat heating equipment, such as an electric blanket, is disclosed wherein power supply control to a heater wire in the blanket is performed, using a predetermined temperature as a target temperature which is corrected to be higher than a desired temperature preset by a user, in an initial period after the electric blanket is started. Power supply to the heater wire is temporarily increased, thereby rapidly warming the blanket, which has a low heat conductivity, and shortening the time interval until the blanket is heated to the desired temperature.

REFERENCES:
patent: 3509322 (1970-04-01), Lundin
patent: 4031352 (1977-06-01), Oosterberg
patent: 4214151 (1980-07-01), Kicherer et al.
patent: 4243875 (1981-01-01), Chang
patent: 4391237 (1983-07-01), Abe et al.
patent: 4485296 (1984-11-01), Ueda et al.

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