JPS6154730A - 秘話方式 - Google Patents

秘話方式

Info

Publication number
JPS6154730A
JPS6154730A JP17619584A JP17619584A JPS6154730A JP S6154730 A JPS6154730 A JP S6154730A JP 17619584 A JP17619584 A JP 17619584A JP 17619584 A JP17619584 A JP 17619584A JP S6154730 A JPS6154730 A JP S6154730A
Authority
JP
Japan
Prior art keywords
frequency
signal
output
double
balanced modulator
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
JP17619584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH034144B2 (enrdf_load_stackoverflow
Inventor
Koji Akiyama
秋山　好司
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 true JPS6154730A (ja) 1986-03-19
JPH034144B2 JPH034144B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH034144B2 (enrdf_load_stackoverflow) 1991-01-22

Similar Documents

Publication Publication Date Title
US4525835A (en) Duplex radio system utilizing time compression expansion
EP0295580A2 (en) Duplex analog scrambler
US5003598A (en) Secure communication system
JPS6234306B2 (enrdf_load_stackoverflow)
US4133977A (en) Voice scrambler using syllabic masking
JPS6154730A (ja) 秘話方式
JPS6143032A (ja) 秘話装置
JPH0419730B2 (enrdf_load_stackoverflow)
US3676593A (en) Demodulation apparatus for a time-divisional multiplex phase-shift keyed signal of burst mode
JPS581580B2 (ja) 多重化スペクトラム拡散変調方式
JP2000505624A (ja) 情報送受信方法
JPS6064586A (ja) テレビジヨン音声信号の簡易秘匿回路
JPS5972248A (ja) 通信回線の秘話装置
JPH01194538A (ja) 多重秘密通信装置
JPH0481152A (ja) Ｑｐｓｋデータ伝送方式
JPS6089143A (ja) 秘話通信装置
JPH0666758B2 (ja) 秘話装置
JPS63208334A (ja) 水中デイジタルテレメトリ装置
JPS5970041A (ja) 通信回線の秘話装置
JPS6221340A (ja) 秘話通信装置の信号同期回路
JPS60191533A (ja) 画像信号伝送方式
JPS61219232A (ja) ス−パバイザリ・オ−ディオ・ト−ン信号検出装置
JPS60210042A (ja) 秘話装置
JPS62271534A (ja) 秘話通信装置の同期回路
JPH0349221B2 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term