JPS5944141A - 秘話方法 - Google Patents

秘話方法

Info

Publication number
JPS5944141A
JPS5944141A JP15545982A JP15545982A JPS5944141A JP S5944141 A JPS5944141 A JP S5944141A JP 15545982 A JP15545982 A JP 15545982A JP 15545982 A JP15545982 A JP 15545982A JP S5944141 A JPS5944141 A JP S5944141A
Authority
JP
Japan
Prior art keywords
signal
frequency
band
spectrum
input
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
JP15545982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH059973B2 (enrdf_load_stackoverflow
Inventor
Yoshihiko Akaiwa
芳彦 赤岩
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15545982A priority Critical patent/JPS5944141A/ja
Publication of JPS5944141A publication Critical patent/JPS5944141A/ja
Publication of JPH059973B2 publication Critical patent/JPH059973B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP15545982A 1982-09-07 1982-09-07 秘話方法 Granted JPS5944141A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15545982A JPS5944141A (ja) 1982-09-07 1982-09-07 秘話方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15545982A JPS5944141A (ja) 1982-09-07 1982-09-07 秘話方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3275628A Division JPH07110002B2 (ja) 1991-10-23 1991-10-23 秘話通信用受信機

Publications (2)

Publication Number Publication Date
JPS5944141A true JPS5944141A (ja) 1984-03-12
JPH059973B2 JPH059973B2 (enrdf_load_stackoverflow) 1993-02-08

Family

ID=15606505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15545982A Granted JPS5944141A (ja) 1982-09-07 1982-09-07 秘話方法

Country Status (1)

Country Link
JP (1) JPS5944141A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0514316A (ja) * 1991-10-23 1993-01-22 Nec Corp 秘話通信用受信機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0514316A (ja) * 1991-10-23 1993-01-22 Nec Corp 秘話通信用受信機

Also Published As

Publication number Publication date
JPH059973B2 (enrdf_load_stackoverflow) 1993-02-08

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