Title:
【発明の名称】エコーキャンセラ
Document Type and Number:
Japanese Patent JP2650208
Kind Code:
B2
Inventors:
TSUJIKADO MITSUO
MYAMOTO RYOICHI
NAKANO YOSHIKAZU
MYAMOTO RYOICHI
NAKANO YOSHIKAZU
Application Number:
JP16365387A
Publication Date:
September 03, 1997
Filing Date:
June 30, 1987
Export Citation:
Assignee:
OKI DENKI KOGYO KK
International Classes:
H04B3/23; H04B7/015; (IPC1-7): H04B3/23; H04B7/015
Domestic Patent References:
| JP58142641A | ||||
| JP56112112A | ||||
| JP5787246A |
Attorney, Agent or Firm:
Takashi Ogaki