JPS5921148A - 秘話装置 - Google Patents

秘話装置

Info

Publication number
JPS5921148A
JPS5921148A JP13099082A JP13099082A JPS5921148A JP S5921148 A JPS5921148 A JP S5921148A JP 13099082 A JP13099082 A JP 13099082A JP 13099082 A JP13099082 A JP 13099082A JP S5921148 A JPS5921148 A JP S5921148A
Authority
JP
Japan
Prior art keywords
output
frequency
signal
oscillator
adder
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
JP13099082A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0378813B2 (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 JP13099082A priority Critical patent/JPS5921148A/ja
Publication of JPS5921148A publication Critical patent/JPS5921148A/ja
Publication of JPH0378813B2 publication Critical patent/JPH0378813B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/04Secret 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)
JP13099082A 1982-07-27 1982-07-27 秘話装置 Granted JPS5921148A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13099082A JPS5921148A (ja) 1982-07-27 1982-07-27 秘話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13099082A JPS5921148A (ja) 1982-07-27 1982-07-27 秘話装置

Publications (2)

Publication Number Publication Date
JPS5921148A true JPS5921148A (ja) 1984-02-03
JPH0378813B2 JPH0378813B2 (enrdf_load_stackoverflow) 1991-12-16

Family

ID=15047340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13099082A Granted JPS5921148A (ja) 1982-07-27 1982-07-27 秘話装置

Country Status (1)

Country Link
JP (1) JPS5921148A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6269746A (ja) * 1985-09-24 1987-03-31 Yuniden Kk 無線通信システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6269746A (ja) * 1985-09-24 1987-03-31 Yuniden Kk 無線通信システム

Also Published As

Publication number Publication date
JPH0378813B2 (enrdf_load_stackoverflow) 1991-12-16

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