LOW-FREQUENCY HEATING APPARATUS AND METHOD USING MAGNETIC FIELD

LOW-FREQUENCY HEATING APPARATUS AND METHOD USING MAGNETIC FIELD

A low-frequency heating apparatus is provided. The low-frequency heating apparatus includes a signal generator configured to generate an operation frequency for inducing a current through a coil unit surrounding an internal area of a housing of the heating apparatus, a power amplifier configured to...

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Hauptverfasser: LEE, YoungJu, ALEXANDER, Goudelev, KUM, Jun Sig, LEE, Jungyub, HA, Dohyuk
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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creator LEE, YoungJu
ALEXANDER, Goudelev
KUM, Jun Sig
LEE, Jungyub
HA, Dohyuk
description A low-frequency heating apparatus is provided. The low-frequency heating apparatus includes a signal generator configured to generate an operation frequency for inducing a current through a coil unit surrounding an internal area of a housing of the heating apparatus, a power amplifier configured to amplify power of the operation frequency to a predetermined level and transmit the amplified operation frequency to the coil unit, the coil unit configured to be energized to heat an object provided inside the housing through a magnetic field generated by the current, and at least one processor configured to monitor an impedance value of the coil unit resonating at the operation frequency and control a resonant operation of the coil unit based on the impedance value of the coil unit and an impedance value of the power amplifier.
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title LOW-FREQUENCY HEATING APPARATUS AND METHOD USING MAGNETIC FIELD
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