Title:
【発明の名称】音響用エコ-・キャンセラ-装置
Document Type and Number:
Japanese Patent JP2509627
Kind Code:
B2
Inventors:
KOIZUMI NOBUO
OIKAWA HIROSHI
MAKINO SHOJI
NISHINO MASAKAZU
ISHAMA YUKIO
SAEKI TAKASHI
KAWASAKI TADAMICHI
MINAMI SHIGENOBU
OIKAWA HIROSHI
MAKINO SHOJI
NISHINO MASAKAZU
ISHAMA YUKIO
SAEKI TAKASHI
KAWASAKI TADAMICHI
MINAMI SHIGENOBU
Application Number:
JP18144187A
Publication Date:
June 26, 1996
Filing Date:
July 21, 1987
Export Citation:
Assignee:
NIPPON DENSHIN DENWA KK
TOSHIBA KK
TOSHIBA KK
International Classes:
H04M9/08; H04B3/23; H04R3/02; (IPC1-7): H04R3/02; H04B3/23; H04M9/08
Attorney, Agent or Firm:
Takehiko Suzue (2 outside)