JPH0147061B2 - - Google Patents

Info

Publication number
JPH0147061B2
JPH0147061B2 JP10421383A JP10421383A JPH0147061B2 JP H0147061 B2 JPH0147061 B2 JP H0147061B2 JP 10421383 A JP10421383 A JP 10421383A JP 10421383 A JP10421383 A JP 10421383A JP H0147061 B2 JPH0147061 B2 JP H0147061B2
Authority
JP
Japan
Prior art keywords
spectrum
zone
signal
frequency
zones
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
JP10421383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59229944A (ja
Inventor
Seishichi Kishi
Seizo Seki
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.)
Nippon Telegraph and Telephone Corp
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 JP10421383A priority Critical patent/JPS59229944A/ja
Publication of JPS59229944A publication Critical patent/JPS59229944A/ja
Publication of JPH0147061B2 publication Critical patent/JPH0147061B2/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)
JP10421383A 1983-06-13 1983-06-13 秘話伝送方式 Granted JPS59229944A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10421383A JPS59229944A (ja) 1983-06-13 1983-06-13 秘話伝送方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10421383A JPS59229944A (ja) 1983-06-13 1983-06-13 秘話伝送方式

Publications (2)

Publication Number Publication Date
JPS59229944A JPS59229944A (ja) 1984-12-24
JPH0147061B2 true JPH0147061B2 (enrdf_load_stackoverflow) 1989-10-12

Family

ID=14374678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10421383A Granted JPS59229944A (ja) 1983-06-13 1983-06-13 秘話伝送方式

Country Status (1)

Country Link
JP (1) JPS59229944A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS59229944A (ja) 1984-12-24

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