JPS5826706B2 - ヒワソウチ - Google Patents

ヒワソウチ

Info

Publication number
JPS5826706B2
JPS5826706B2 JP50088189A JP8818975A JPS5826706B2 JP S5826706 B2 JPS5826706 B2 JP S5826706B2 JP 50088189 A JP50088189 A JP 50088189A JP 8818975 A JP8818975 A JP 8818975A JP S5826706 B2 JPS5826706 B2 JP S5826706B2
Authority
JP
Japan
Prior art keywords
switching
code
time interval
code string
length
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
JP50088189A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5134603A (ru
Inventor
ゾントハイム ハンス
ベンデル ヘルマン
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE19742434877 external-priority patent/DE2434877C3/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of JPS5134603A publication Critical patent/JPS5134603A/ja
Publication of JPS5826706B2 publication Critical patent/JPS5826706B2/ja
Expired 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)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmitters (AREA)
  • Television Systems (AREA)
JP50088189A 1974-07-19 1975-07-18 ヒワソウチ Expired JPS5826706B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742434877 DE2434877C3 (de) 1974-07-19 Einrichtung zur verschleierten übertragung von Sprachsignalen

Publications (2)

Publication Number Publication Date
JPS5134603A JPS5134603A (ru) 1976-03-24
JPS5826706B2 true JPS5826706B2 (ja) 1983-06-04

Family

ID=5921046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50088189A Expired JPS5826706B2 (ja) 1974-07-19 1975-07-18 ヒワソウチ

Country Status (16)

Country Link
JP (1) JPS5826706B2 (ru)
AT (1) AT341003B (ru)
AU (1) AU501260B2 (ru)
BE (1) BE831528A (ru)
CH (1) CH596716A5 (ru)
DK (1) DK140914C (ru)
FR (1) FR2285029A1 (ru)
GB (1) GB1512696A (ru)
IE (1) IE41265B1 (ru)
IL (1) IL47692A (ru)
IN (1) IN147050B (ru)
IT (1) IT1039917B (ru)
LU (1) LU73007A1 (ru)
NL (1) NL169664C (ru)
SE (1) SE410259B (ru)
ZA (1) ZA754406B (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151886A (en) * 1983-12-21 1985-07-24 British Broadcasting Corp Conditional-access broadcast transmission
CA1226914A (en) * 1984-01-26 1987-09-15 The University Of British Columbia Modem for pseudo noise communication on a.c. lines
JP2761281B2 (ja) * 1990-05-17 1998-06-04 富士通株式会社 マルチキャリア通信システムの暗号化通信方式

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1278172A (fr) * 1960-10-28 1961-12-08 Cie Ind Des Telephones Dispositif électronique de codage pour liaisons radioélectriques ou téléphoniques
FR2129013A5 (ru) * 1971-03-11 1972-10-27 Snecma
GB1465923A (en) * 1973-04-03 1977-03-02 Siemens Ag Camouflaged speech signal transmission systems

Also Published As

Publication number Publication date
FR2285029B1 (ru) 1977-12-16
BE831528A (fr) 1976-01-19
SE410259B (sv) 1979-10-01
FR2285029A1 (fr) 1976-04-09
IE41265B1 (en) 1979-11-21
AU8290875A (en) 1977-01-13
NL169664C (nl) 1982-08-02
DK328275A (da) 1976-01-20
DE2434877A1 (de) 1976-01-29
IE41265L (en) 1976-01-19
AU501260B2 (en) 1979-06-14
CH596716A5 (ru) 1978-03-15
IN147050B (ru) 1979-10-27
GB1512696A (en) 1978-06-01
IT1039917B (it) 1979-12-10
AT341003B (de) 1978-01-10
NL7508643A (nl) 1976-01-21
IL47692A0 (en) 1975-12-31
SE7508246L (sv) 1976-01-20
DK140914B (da) 1979-12-03
JPS5134603A (ru) 1976-03-24
LU73007A1 (ru) 1976-07-01
DK140914C (da) 1980-05-12
ATA526575A (de) 1977-05-15
IL47692A (en) 1977-11-30
DE2434877B2 (de) 1976-05-13
NL169664B (nl) 1982-03-01
ZA754406B (en) 1976-06-30

Similar Documents

Publication Publication Date Title
US4341925A (en) Random digital encryption secure communication system
US4651103A (en) Phase adjustment system
FI92004B (fi) Kaksisuuntainen analogiasekoittaja
JPH07212225A (ja) 分数位相シフト環状発振器装置
JPH0786982A (ja) 同期式ｐｎ符号系列発生回路
JPS6326930B2 (ru)
US4276652A (en) Secure communication system with improved frequency-hopping arrangement
JPH0640637B2 (ja) 多重化システム
US4188506A (en) Method and installation for masked speech transmission over a telephone channel
US3986168A (en) Multichannel error signal generator
KR850007723A (ko) 전기통신 회의를 할 수 있는 교환시스템
JPH11511628A (ja) 音声周波を利用した文字列の高速生成及び伝送の方法及びシステム
JPS5826706B2 (ja) ヒワソウチ
US2632057A (en) Signal transmission
US2055309A (en) Multiplex communication system
US3859466A (en) Reciprocal synchronization of oscillators of a time multiplex telephone communication network
US2570207A (en) Synchronizing arrangement for multiplex electrical pulse communication systems
US2546974A (en) Pulse multiplex signaling system
KR101872738B1 (ko) 동기화된 주파수 도약 통신시스템에서 주파수 도약 속도가 상이한 다중 주파수 도약 신호간 직교성 처리 방법
MacKinnon The development of speech encipherment
EP0216595A2 (en) Data encryption
RU2271612C1 (ru) Устройство для передачи данных
SU907871A1 (ru) Система адресного вызова с позиционным кодированием
JPS60106242A (ja) 秘話通信装置
KR970002690B1 (ko) 다이얼 펄스 발생장치