Title:
DEVICE FOR REDUCING DISTURBANCE ELECTROMAGNETIC WAVE
Document Type and Number:
Japanese Patent JP2008047839
Kind Code:
A
Abstract:
To provide a device for reducing disturbance electromagnetic waves wherein reduction effect of electromagnetic waves can be obtained in a wide range, with a relatively small spiral structure.
The device for reducing disturbance electromagnetic waves which is for reducing disturbance electromagnetic waves from an electronic apparatus includes: a plate composed of a conductive material of two pairs of Archimedes spiral structures arranged while facing the electronic apparatus; and a resistor electrically bonded to the center of conductive plate.
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Inventors:
KANAI TAKESHI
Application Number:
JP2006224593A
Publication Date:
February 28, 2008
Filing Date:
August 21, 2006
Export Citation:
Assignee:
RICOH KK
International Classes:
H05K9/00; H01Q17/00
Attorney, Agent or Firm:
Hitoshi Suzuki
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