Title:
HIGH FREQUENCY DEFROSTING DEVICE
Document Type and Number:
Japanese Patent JP3843887
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To make a variable coil in a matching circuit small.
SOLUTION: The variable coil 104 of the matching circuit 108 has uneven diameter, and inductance values are made variable by expansion and contraction of an expansion and contraction means expanding and contracting in the length direction, and the volume is made small in the contracted state.
Inventors:
Kazuhiko Asada
Application Number:
JP2002150299A
Publication Date:
November 08, 2006
Filing Date:
May 24, 2002
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H05B6/50; A23L3/365; H05B6/54; (IPC1-7): H05B6/50; A23L3/365; H05B6/54
Domestic Patent References:
| JP9092455A | ||||
| JP60011418U | ||||
| JP200170276A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano