JPH0347025B2 - - Google Patents

Info

Publication number
JPH0347025B2
JPH0347025B2 JP59187277A JP18727784A JPH0347025B2 JP H0347025 B2 JPH0347025 B2 JP H0347025B2 JP 59187277 A JP59187277 A JP 59187277A JP 18727784 A JP18727784 A JP 18727784A JP H0347025 B2 JPH0347025 B2 JP H0347025B2
Authority
JP
Japan
Prior art keywords
spectrum
div
signal
scrambling
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
JP59187277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6166431A (ja
Inventor
Seishichi Kishi
Noboru Kan
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 JP18727784A priority Critical patent/JPS6166431A/ja
Priority to EP84306657A priority patent/EP0139496B1/fr
Priority to DE8484306657T priority patent/DE3482363D1/de
Publication of JPS6166431A publication Critical patent/JPS6166431A/ja
Priority to US07/119,231 priority patent/US4799257A/en
Publication of JPH0347025B2 publication Critical patent/JPH0347025B2/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)
JP18727784A 1983-09-30 1984-09-08 スペクトラムスクランブル送信方式 Granted JPS6166431A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP18727784A JPS6166431A (ja) 1984-09-08 1984-09-08 スペクトラムスクランブル送信方式
EP84306657A EP0139496B1 (fr) 1983-09-30 1984-09-28 Système d'émission radio pour un signal modulé en phase
DE8484306657T DE3482363D1 (de) 1983-09-30 1984-09-28 Funksendesystem fuer ein phasenmoduliertes signal.
US07/119,231 US4799257A (en) 1983-09-30 1987-11-05 Wireless transmission system for PM modulation signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18727784A JPS6166431A (ja) 1984-09-08 1984-09-08 スペクトラムスクランブル送信方式

Publications (2)

Publication Number Publication Date
JPS6166431A JPS6166431A (ja) 1986-04-05
JPH0347025B2 true JPH0347025B2 (fr) 1991-07-18

Family

ID=16203179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18727784A Granted JPS6166431A (ja) 1983-09-30 1984-09-08 スペクトラムスクランブル送信方式

Country Status (1)

Country Link
JP (1) JPS6166431A (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074741A (ja) * 1983-09-30 1985-04-27 Nippon Telegr & Teleph Corp <Ntt> スペクトラムスクランブル送信方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074741A (ja) * 1983-09-30 1985-04-27 Nippon Telegr & Teleph Corp <Ntt> スペクトラムスクランブル送信方式

Also Published As

Publication number Publication date
JPS6166431A (ja) 1986-04-05

Similar Documents

Publication Publication Date Title
JP3814688B2 (ja) 伝送方法及びその方法を実行するための装置
US4754481A (en) Expanded partial response processing for analog signal enciphering and the like
US2479338A (en) Inverter and distorter for secret communications
JPH09214385A (ja) 信号処理方法および信号処理装置
KR0154793B1 (ko) 무선전화기의 비화회로 및 역비화회로
CA1202085A (fr) Appareil de decalage aleatoire des frequences pour systeme de transmission simultanee utilisant plusieurs emetteurs
JPH0347025B2 (fr)
US2206590A (en) Portable transmission system
JPH0326577B2 (fr)
US4799257A (en) Wireless transmission system for PM modulation signal
US6205184B1 (en) System and method for compressing a transmitted signal to achieve narrow and very narrow band frequency or phase modulation
US1464096A (en) Secret signaling
JPH08274753A (ja) 秘話方法、送信機および受信機
JP5350351B2 (ja) 通信システム、送信装置、受信装置および通信方法
US1593365A (en) Method and system of high-frequency transmission
JPH0242259B2 (fr)
JPS6377233A (ja) 音声通信方式
EP1084554B1 (fr) Procede et dispositif de transmission d&#39;informations par radio
WO2001082518A1 (fr) Brouillage d&#39;un dispositif sans fil
GB146881A (en) Improvements in wireless signalling systems
US1632058A (en) Secret signaling
JPS63114330A (ja) 秘話通信装置
JPS6166430A (ja) スペクトラムスクランブル受信方式
JPH0446025B2 (fr)
JPH0147062B2 (fr)