Title:
AC ADAPTER
Document Type and Number:
Japanese Patent JP2002353050
Kind Code:
A
Abstract:
To provide a very thin and compact AC adapter having a high power transmission efficiency.
The AC adapter comprises a first rectifier circuit in the primary circuit, a second rectifier circuit in the secondary circuit, and a transformer interposed between the primary circuit and the secondary circuit. The transformer has a first resonance circuit on the primary coil side and a second resonance circuit on the secondary coil side wherein the primary coil and the secondary coil are thin planar spiral coils disposed oppositely at a specified interval.
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Inventors:
KAWANOBE KAZUO
Application Number:
JP2001159239A
Publication Date:
December 06, 2002
Filing Date:
May 28, 2001
Export Citation:
Assignee:
JHC OSAKA KK
International Classes:
H01F38/14; H02M3/28; (IPC1-7): H01F38/14
Attorney, Agent or Firm:
Takeshi Nakatani