JPS5318306A - Privacy communication unit - Google Patents

Privacy communication unit

Info

Publication number
JPS5318306A
JPS5318306A JP9304976A JP9304976A JPS5318306A JP S5318306 A JPS5318306 A JP S5318306A JP 9304976 A JP9304976 A JP 9304976A JP 9304976 A JP9304976 A JP 9304976A JP S5318306 A JPS5318306 A JP S5318306A
Authority
JP
Japan
Prior art keywords
communication unit
privacy communication
privacy
sampling
secure
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
JP9304976A
Other languages
Japanese (ja)
Other versions
JPS617781B2 (en
Inventor
Shigeru Asakawa
Fumio Sugiyama
Makoto Nakamura
Tsukasa Okai
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9304976A priority Critical patent/JPS5318306A/en
Publication of JPS5318306A publication Critical patent/JPS5318306A/en
Publication of JPS617781B2 publication Critical patent/JPS617781B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To secure a privacy of the communication contents by transmitting the original signal through sampling and polarity inversion.
JP9304976A 1976-08-04 1976-08-04 Privacy communication unit Granted JPS5318306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9304976A JPS5318306A (en) 1976-08-04 1976-08-04 Privacy communication unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9304976A JPS5318306A (en) 1976-08-04 1976-08-04 Privacy communication unit

Publications (2)

Publication Number Publication Date
JPS5318306A true JPS5318306A (en) 1978-02-20
JPS617781B2 JPS617781B2 (en) 1986-03-08

Family

ID=14071644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9304976A Granted JPS5318306A (en) 1976-08-04 1976-08-04 Privacy communication unit

Country Status (1)

Country Link
JP (1) JPS5318306A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290224A (en) * 1986-06-10 1987-12-17 Pioneer Answerphone Mfg Corp Scramble/descramble system for narrow band transmission system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6329065U (en) * 1986-08-07 1988-02-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290224A (en) * 1986-06-10 1987-12-17 Pioneer Answerphone Mfg Corp Scramble/descramble system for narrow band transmission system

Also Published As

Publication number Publication date
JPS617781B2 (en) 1986-03-08

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