Title:
誘導加熱装置
Document Type and Number:
Japanese Patent JP3976007
Kind Code:
B2
Abstract:
A current detecting circuit detects current of a high frequency inverter comprising an inducting heating coil. A current variation detecting circuit measures a change in magnitude of current with respect to time so as to detect displacement or lift of a cooking pan. A control circuit controls the output of the high frequency inverter, based on measurement result of current variation detection circuit.
Inventors:
Izumi Hirota
Atsushi Fujita
Takahiro Miyauchi
Yuji Fujii
Akira Kataoka
Koji Niiyama
Atsushi Fujita
Takahiro Miyauchi
Yuji Fujii
Akira Kataoka
Koji Niiyama
Application Number:
JP2003546621A
Publication Date:
September 12, 2007
Filing Date:
November 21, 2001
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H05B6/12; H05B6/04; H05B6/06
Domestic Patent References:
| JP2957764B2 | ||||
| JP63198283A | ||||
| JP2001332375A | ||||
| JP10241850A | ||||
| JP63141290A | ||||
| JP2000150126A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano