JPS6212705B2 - - Google Patents

Info

Publication number
JPS6212705B2
JPS6212705B2 JP18550682A JP18550682A JPS6212705B2 JP S6212705 B2 JPS6212705 B2 JP S6212705B2 JP 18550682 A JP18550682 A JP 18550682A JP 18550682 A JP18550682 A JP 18550682A JP S6212705 B2 JPS6212705 B2 JP S6212705B2
Authority
JP
Japan
Prior art keywords
digital
modem
signal
exchange
communication
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.)
Expired
Application number
JP18550682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5974744A (ja
Inventor
Shigeki Tanaka
Shinjiro Suzuki
Shinichi Miwa
Tetsumasa Ooyama
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 JPS5974744A (ja) 1984-04-27
JPS6212705B2 true JPS6212705B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (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
JP2578013B2 (ja) * 1990-07-20 1997-02-05 日本電信電話株式会社 音声暗号装置

Also Published As

Publication number Publication date
JPS5974744A (ja) 1984-04-27

Similar Documents

Publication Publication Date Title
US3649761A (en) Dial selective wideband intercommunication system
EP0872111B1 (en) Home personal communications system
CA2128305C (en) Secure telecommunications
US6470046B1 (en) Apparatus and method for a combined DSL and voice system
JP2001510971A (ja) 個人電話システムにインターコム及び複数音声チャネルを設けるシステムと方法
US5805582A (en) Home personal communications system
JPH02113761A (ja) テレビ電話装置
JPS6212705B2 (enrdf_load_stackoverflow)
JPH01241959A (ja) 多地点間通信方式
JPH11234764A (ja) オーディオ信号接続方法及び装置
Dorros The picturephone® system: The network
JP3716712B2 (ja) 音声通信方法、音声通信システム及びその通信ユニット装置
JPH11266222A (ja) 伝送システム及び伝送装置
JPH01160157A (ja) ３者会議電話装置
JPH0156584B2 (enrdf_load_stackoverflow)
JP4027554B2 (ja) ディジタル構内交換装置
JP2001308952A (ja) アダプタ装置及びそれを用いたネットワークシステム
JPH0442862B2 (enrdf_load_stackoverflow)
JPS63193694A (ja) 高能率音声符号化回線の端末秘匿方式
KR100292202B1 (ko) 에이디에스엘장치를 이용한 신규채널 확보 및 경보감지장치
JPS63149974A (ja) デ−タ伝送装置
JPH02266784A (ja) テレビ電話システム
JPH0548576A (ja) 秘話通信方式
EP1058439A2 (en) Home personal communication system
JPH02274136A (ja) 秘話通信装置