Title:
2つのダイヤフラムを有する電気音響トランスデューサ
Document Type and Number:
Japanese Patent JP2005503091
Kind Code:
A
Inventors:
Johansen, Leif
Van Harteren, Aalto Zehel
Van Harteren, Aalto Zehel
Application Number:
JP2003528061A
Publication Date:
January 27, 2005
Filing Date:
September 11, 2002
Export Citation:
Assignee:
Sonion Key Act Actiesl Scab
International Classes:
H04R1/00; H04R1/02; H04R7/02; H04R7/04; H04R9/00; H04R9/02; H04R9/06; H04R9/08; H04R25/00; H04R31/00; (IPC1-7): H04R9/06; H04R1/00; H04R1/02; H04R7/02; H04R7/04; H04R9/00; H04R9/02; H04R9/08; H04R25/00
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Koichi Itsubo
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Koichi Itsubo
Masaya Nishiyama