Title:
ELECTROSTATIC LOUDSPEAKERS
Document Type and Number:
WIPO Patent Application WO/2012/008458
Kind Code:
A1
Abstract:
Provided are electrostatic loudspeakers equipped with a first electrode having acoustic transparency; a second electrode which is disposed so as to face the first electrode and which has acoustic transparency; a vibration mass having conductivity which is disposed between the first electrode and the second electrode; a first elastic member which is disposed between the vibration mass and the first electrode and which has elasticity, insulation properties, and acoustic transparency; a second elastic member which is disposed between the vibration mass and the second electrode and which has elasticity, insulation properties, and acoustic transparency; and a first spacing member which is disposed upon the side which is opposite the side facing the first elastic member of the first electrode, and which has insulation properties and acoustic transparency.
Inventors:
TAKANO YASUAKI
MUROI KUNIMASA
MATSUBARA YOSHIKATSU
MUROI KUNIMASA
MATSUBARA YOSHIKATSU
Application Number:
PCT/JP2011/065901
Publication Date:
January 19, 2012
Filing Date:
July 12, 2011
Export Citation:
Assignee:
YAMAHA CORP (JP)
TAKANO YASUAKI
MUROI KUNIMASA
MATSUBARA YOSHIKATSU
TAKANO YASUAKI
MUROI KUNIMASA
MATSUBARA YOSHIKATSU
International Classes:
H04R19/02
Foreign References:
| JPS51125935U | 1976-10-12 | |||
| JPS49148933U | 1974-12-24 | |||
| JP2006086789A | 2006-03-30 | |||
| JPS5180136U | 1976-06-25 | |||
| JP2010068053A | 2010-03-25 | |||
| JPH04157900A | 1992-05-29 | |||
| JP2007274343A | 2007-10-18 |
Attorney, Agent or Firm:
FURUDATE Kuniko (JP)
古館 Kuniko (JP)
古館 Kuniko (JP)
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Claims: