JPS5974744A - 秘匿通信方式 - Google Patents

秘匿通信方式

Info

Publication number
JPS5974744A
JPS5974744A JP18550682A JP18550682A JPS5974744A JP S5974744 A JPS5974744 A JP S5974744A JP 18550682 A JP18550682 A JP 18550682A JP 18550682 A JP18550682 A JP 18550682A JP S5974744 A JPS5974744 A JP S5974744A
Authority
JP
Japan
Prior art keywords
call
privacy
digital
signal
exchange
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
JP18550682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6212705B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Shigeki Tanaka
田中　重喜
Shinjiro Suzuki
鈴木　新治郎
Shinichi Miwa
三輪　新一
Tetsumasa Ooyama
大山　哲政
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18550682A priority Critical patent/JPS5974744A/ja
Publication of JPS5974744A publication Critical patent/JPS5974744A/ja
Publication of JPS6212705B2 publication Critical patent/JPS6212705B2/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)
JP18550682A 1982-10-22 1982-10-22 秘匿通信方式 Granted JPS5974744A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18550682A JPS5974744A (ja) 1982-10-22 1982-10-22 秘匿通信方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18550682A JPS5974744A (ja) 1982-10-22 1982-10-22 秘匿通信方式

Publications (2)

Publication Number Publication Date
JPS5974744A true JPS5974744A (ja) 1984-04-27
JPS6212705B2 JPS6212705B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-03-20

Family

ID=16171967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18550682A Granted JPS5974744A (ja) 1982-10-22 1982-10-22 秘匿通信方式

Country Status (1)

Country Link
JP (1) JPS5974744A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276358A (ja) * 1988-09-13 1990-03-15 Kokusai Electric Co Ltd 電話装置
JPH0481039A (ja) * 1990-07-20 1992-03-13 Nippon Telegr & Teleph Corp <Ntt> 音声暗号装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276358A (ja) * 1988-09-13 1990-03-15 Kokusai Electric Co Ltd 電話装置
JPH0481039A (ja) * 1990-07-20 1992-03-13 Nippon Telegr & Teleph Corp <Ntt> 音声暗号装置

Also Published As

Publication number Publication date
JPS6212705B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-03-20

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