High-frequency heating apparatus

Details High-frequency heating apparatus High-frequency heating apparatus

1988-02-08

1989-12-19

Pellinen, A. D.

Electric heating

Metal heating

Of cylinders

219 1055R, 363 55, 307 43, 336180, H05B 906

Patent

active

048884618

ABSTRACT:
A high frequency heating apparatus includes an inverter controlling circuit for controlling a semiconductor portion for feeding a low voltage power supply switching element, a low voltage power supply to the controlling circuit, an operation switch for activating the apparatus by a user, and a system controlling portion for controlling a load switching device. The load switching device is adapted to switch on and off at least one of the low voltage power supply leading to the inverter controlling circuit and a rectification circuit.

REFERENCES:
patent: 2668911 (1954-02-01), Schlesinger
patent: 3241048 (1966-03-01), Lee
patent: 3816688 (1974-06-01), Fritts
patent: 3973165 (1976-08-01), Hester
patent: 4002875 (1977-01-01), Kiuchi et al.
patent: 4142082 (1979-02-01), Israel
patent: 4317976 (1982-03-01), Noda
patent: 4441002 (1984-04-01), Teich et al.
patent: 4617438 (1986-10-01), Nakata
patent: 4675796 (1987-06-01), Gautherin et al.
patent: 4697229 (1987-09-01), Davy et al.
patent: 4725948 (1988-02-01), Mierzwinski
Japanese Abstracts for Patent Applications: 50-155584, 51-21505, 51-138144.

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