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Title:
【発明の名称】音声秘話装置
Document Type and Number:
Japanese Patent JP2538710
Kind Code:
B2
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Inventors:
NAKANISHI YOSHINOBU
OGIWARA TAKASHI
Application Number:
JP24071090A
Publication Date:
October 02, 1996
Filing Date:
September 11, 1990
Export Citation:
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Assignee:
NIPPON DENKI KK
NIPPON DENKI ENJINIARINGU KK
International Classes:
H04K1/02; (IPC1-7): H04K1/02
Domestic Patent References:
JP237851A
JP237852A
JP4135333A
JP4150534A
JP17739A
JP1240035A
JP27636A
JP2209034A
JP529176B2
JP588621B2
Other References:
昭和６３年電子情報通信学会秋季全国大会講演論文集「分冊Ｂ−２」、Ｂ−２−１８０、王子他「Ｂ−３０２アナログ秘話装置の一検討」
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)



 
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