Title:
CHARGEABLE ELECTRIC EQUIPMENT
Document Type and Number:
Japanese Patent JP2001275266
Kind Code:
A
Abstract:
To enable a power transmission from a primary side to a secondary side without contact as well as power transmission and reception of a signal through a power transmission transformer.
When power is transmitted from a primary side coil 20 to a secondary side coil 40, a power transmission control signal having a predetermined ratio of a power transmission state to a non-transmission state is formed within one period. Then, the power transmission control signals of different periods from each other are combined as prescribed to a signal to be transmitted from the primary side to the secondary side.
Inventors:
NISHIMURA SHINJI
HAYASHI MASAYUKI
HAYASHI MASAYUKI
Application Number:
JP2000089619A
Publication Date:
October 05, 2001
Filing Date:
March 28, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H01F38/14; H01F38/18; H01M10/44; H02J7/00; (IPC1-7): H02J7/00; H01F38/14; H01M10/44; H02J17/00
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)