JPH034144B2 - - Google Patents

Info

Publication number
JPH034144B2
JPH034144B2 JP17619584A JP17619584A JPH034144B2 JP H034144 B2 JPH034144 B2 JP H034144B2 JP 17619584 A JP17619584 A JP 17619584A JP 17619584 A JP17619584 A JP 17619584A JP H034144 B2 JPH034144 B2 JP H034144B2
Authority
JP
Japan
Prior art keywords
frequency
signal
double
balanced modulator
subcarrier
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
JP17619584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6154730A (ja
Inventor
Koji Akyama
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.)
Yaesu Musen Co Ltd
Original Assignee
Yaesu Musen 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 Yaesu Musen Co Ltd filed Critical Yaesu Musen Co Ltd
Priority to JP17619584A priority Critical patent/JPS6154730A/ja
Publication of JPS6154730A publication Critical patent/JPS6154730A/ja
Publication of JPH034144B2 publication Critical patent/JPH034144B2/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)
JP17619584A 1984-08-24 1984-08-24 秘話方式 Granted JPS6154730A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17619584A JPS6154730A (ja) 1984-08-24 1984-08-24 秘話方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17619584A JPS6154730A (ja) 1984-08-24 1984-08-24 秘話方式

Publications (2)

Publication Number Publication Date
JPS6154730A JPS6154730A (ja) 1986-03-19
JPH034144B2 true JPH034144B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-22

Family

ID=16009293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17619584A Granted JPS6154730A (ja) 1984-08-24 1984-08-24 秘話方式

Country Status (1)

Country Link
JP (1) JPS6154730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6154730A (ja) 1986-03-19

Similar Documents

Publication Publication Date Title
US4525835A (en) Duplex radio system utilizing time compression expansion
JPH04504188A (ja) デユプレクスアナログスクランブラー
GB529984A (en) Improvements in or relating to radio transmission systems employing pulse modulation
JPS625737A (ja) デ−タ／ト−ンおよび可聴信号の変調方式を改善した複信無線トランシ−バ
JPH034144B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6143032A (ja) 秘話装置
JPH04101527A (ja) 秘話通信装置
JP2738480B2 (ja) 周波数帯域圧縮無線通信方式
JPH0419730B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS61171245A (ja) 秘話回路
JPS60117933A (ja) 秘話通信装置
GB1465393A (en) Method and apparatus for the scrambled transmission of speech via a telephony channel
JPS61139136A (ja) 送受信装置
JPS613543A (ja) 送受信装置
JPS61144141A (ja) 送信装置
JPH08274753A (ja) 秘話方法、送信機および受信機
JPS5972248A (ja) 通信回線の秘話装置
US1654080A (en) Carrier signaling system
JPS6064586A (ja) テレビジヨン音声信号の簡易秘匿回路
JPS61144939A (ja) 送信装置
JPS5970041A (ja) 通信回線の秘話装置
JPH0349221B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6055750A (ja) 反転秘話無線通信方式
JPH0666758B2 (ja) 秘話装置
JPS5970040A (ja) 通信回線の秘話装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term