JPS59196642A - デイジタル会議電話秘話装置 - Google Patents

デイジタル会議電話秘話装置

Info

Publication number
JPS59196642A
JPS59196642A JP7090983A JP7090983A JPS59196642A JP S59196642 A JPS59196642 A JP S59196642A JP 7090983 A JP7090983 A JP 7090983A JP 7090983 A JP7090983 A JP 7090983A JP S59196642 A JPS59196642 A JP S59196642A
Authority
JP
Japan
Prior art keywords
conference
circuit
signal
register
contents
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7090983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0213989B2 (OSRAM
Inventor
Masaharu Shimada
正治 島田
Mitsuru Watanabe
充 渡辺
Akihisa Nakajima
昭久 中島
Katsunori Hoshida
星田　勝典
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7090983A priority Critical patent/JPS59196642A/ja
Publication of JPS59196642A publication Critical patent/JPS59196642A/ja
Publication of JPH0213989B2 publication Critical patent/JPH0213989B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP7090983A 1983-04-23 1983-04-23 デイジタル会議電話秘話装置 Granted JPS59196642A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7090983A JPS59196642A (ja) 1983-04-23 1983-04-23 デイジタル会議電話秘話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7090983A JPS59196642A (ja) 1983-04-23 1983-04-23 デイジタル会議電話秘話装置

Publications (2)

Publication Number Publication Date
JPS59196642A true JPS59196642A (ja) 1984-11-08
JPH0213989B2 JPH0213989B2 (OSRAM) 1990-04-05

Family

ID=13445109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7090983A Granted JPS59196642A (ja) 1983-04-23 1983-04-23 デイジタル会議電話秘話装置

Country Status (1)

Country Link
JP (1) JPS59196642A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007529971A (ja) * 2004-04-05 2007-10-25 モトローラ・インコーポレイテッド アドホック通信ネットワークからの呼の変換

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225508A (en) * 1975-08-21 1977-02-25 Nippon Telegr & Teleph Corp <Ntt> Digital conference call unit
JPS53107207A (en) * 1977-03-01 1978-09-19 Fujitsu Ltd Simultaneous connection system
JPS5754035A (ja) * 1980-09-17 1982-03-31 Toyota Motor Corp Jikubuhinhenokangobuzainokoteiho

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225508A (en) * 1975-08-21 1977-02-25 Nippon Telegr & Teleph Corp <Ntt> Digital conference call unit
JPS53107207A (en) * 1977-03-01 1978-09-19 Fujitsu Ltd Simultaneous connection system
JPS5754035A (ja) * 1980-09-17 1982-03-31 Toyota Motor Corp Jikubuhinhenokangobuzainokoteiho

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007529971A (ja) * 2004-04-05 2007-10-25 モトローラ・インコーポレイテッド アドホック通信ネットワークからの呼の変換

Also Published As

Publication number Publication date
JPH0213989B2 (OSRAM) 1990-04-05

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