JPH0213980B2 - - Google Patents

Info

Publication number
JPH0213980B2
JPH0213980B2 JP58170576A JP17057683A JPH0213980B2 JP H0213980 B2 JPH0213980 B2 JP H0213980B2 JP 58170576 A JP58170576 A JP 58170576A JP 17057683 A JP17057683 A JP 17057683A JP H0213980 B2 JPH0213980 B2 JP H0213980B2
Authority
JP
Japan
Prior art keywords
spectrum
noise
emphasis
signal
circuit
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 - Lifetime
Application number
JP58170576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6062756A (ja
Inventor
Seishichi Kishi
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 JP17057683A priority Critical patent/JPS6062756A/ja
Publication of JPS6062756A publication Critical patent/JPS6062756A/ja
Publication of JPH0213980B2 publication Critical patent/JPH0213980B2/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)
JP17057683A 1983-09-17 1983-09-17 送受同形エンフアシス反転秘話通信方式 Granted JPS6062756A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17057683A JPS6062756A (ja) 1983-09-17 1983-09-17 送受同形エンフアシス反転秘話通信方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17057683A JPS6062756A (ja) 1983-09-17 1983-09-17 送受同形エンフアシス反転秘話通信方式

Publications (2)

Publication Number Publication Date
JPS6062756A JPS6062756A (ja) 1985-04-10
JPH0213980B2 true JPH0213980B2 (en]) 1990-04-05

Family

ID=15907393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17057683A Granted JPS6062756A (ja) 1983-09-17 1983-09-17 送受同形エンフアシス反転秘話通信方式

Country Status (1)

Country Link
JP (1) JPS6062756A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2525409Y2 (ja) * 1991-03-19 1997-02-12 株式会社田村電機製作所 無線電話装置

Also Published As

Publication number Publication date
JPS6062756A (ja) 1985-04-10

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