Title:
【発明の名称】音響通信装置
Document Type and Number:
Japanese Patent JP2720834
Kind Code:
B2
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Inventors:
MATSUMOTO TAKASHI
Application Number:
JP15706295A
Publication Date:
March 04, 1998
Filing Date:
May 30, 1995
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04B11/00; (IPC1-7): H04B11/00
Domestic Patent References:
| JP52454A |
Attorney, Agent or Firm:
Masao Matsumoto