AR228273A1 - APPARATUS FOR THE ENCRYPTED TRANSMISSION OF VOICE SIGNALS SUBDIVIDED IN SEGMENTS - Google Patents

APPARATUS FOR THE ENCRYPTED TRANSMISSION OF VOICE SIGNALS SUBDIVIDED IN SEGMENTS

Info

Publication number
AR228273A1
AR228273A1 AR285780A AR28578081A AR228273A1 AR 228273 A1 AR228273 A1 AR 228273A1 AR 285780 A AR285780 A AR 285780A AR 28578081 A AR28578081 A AR 28578081A AR 228273 A1 AR228273 A1 AR 228273A1
Authority
AR
Argentina
Prior art keywords
segments
voice signals
encrypted transmission
subdivided
signals subdivided
Prior art date
Application number
AR285780A
Other languages
Spanish (es)
Original Assignee
Crypto 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
Application filed by Crypto Ag filed Critical Crypto Ag
Application granted granted Critical
Publication of AR228273A1 publication Critical patent/AR228273A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
AR285780A 1980-06-20 1981-06-19 APPARATUS FOR THE ENCRYPTED TRANSMISSION OF VOICE SIGNALS SUBDIVIDED IN SEGMENTS AR228273A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH476380 1980-06-20

Publications (1)

Publication Number Publication Date
AR228273A1 true AR228273A1 (en) 1983-02-15

Family

ID=4282095

Family Applications (1)

Application Number Title Priority Date Filing Date
AR285780A AR228273A1 (en) 1980-06-20 1981-06-19 APPARATUS FOR THE ENCRYPTED TRANSMISSION OF VOICE SIGNALS SUBDIVIDED IN SEGMENTS

Country Status (10)

Country Link
EP (1) EP0042587B1 (en)
JP (1) JPS5729100A (en)
AR (1) AR228273A1 (en)
AT (1) ATE7993T1 (en)
BR (1) BR8103891A (en)
DE (1) DE3164136D1 (en)
DK (1) DK271481A (en)
ES (1) ES503158A0 (en)
FI (1) FI811862L (en)
NO (1) NO812082L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111441A (en) * 1982-12-17 1984-06-27 Sony Corp Privacy telephone system of sound signal
JPS59127442A (en) * 1983-01-11 1984-07-23 Sony Corp Scrambling system for voice signal
FR2541060B1 (en) * 1983-02-16 1989-02-03 Electroniques Et Const METHOD OF INTERFERING INFORMATION TO BE TRANSMITTED FROM A TRANSMITTING STATION TO A RECEIVING STATION
DE3579596D1 (en) * 1985-10-17 1990-10-11 Ant Nachrichtentech MOBILE RADIO SYSTEM FOR TRANSMITTING BOTH DIGITAL THAN ALSO ANALOG SIGNALS.
FR2625391A1 (en) * 1987-12-23 1989-06-30 Radiotechnique Ind & Comm METHOD AND SYSTEM FOR INTERFERING / UNLOCKING SOUND
JPH0314853U (en) * 1989-06-28 1991-02-14

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1407196A (en) * 1971-11-16 1975-09-24 British Broadcasting Corp Apparatus for changing signal pitch
US3819852A (en) * 1972-08-29 1974-06-25 P Wolf Method of reducing the interference signals during the transmission of af signals in time-compressed form
DE2834280A1 (en) * 1978-08-04 1980-02-21 Siemens Ag Scrambled speech transmission system - divides signals into time elements which are rearranged and read out at higher speed and gaps filled with additional signals

Also Published As

Publication number Publication date
DE3164136D1 (en) 1984-07-19
BR8103891A (en) 1982-03-09
EP0042587A1 (en) 1981-12-30
EP0042587B1 (en) 1984-06-13
DK271481A (en) 1981-12-21
FI811862L (en) 1981-12-21
NO812082L (en) 1981-12-21
JPS5729100A (en) 1982-02-16
ES8303853A1 (en) 1983-02-01
ES503158A0 (en) 1983-02-01
ATE7993T1 (en) 1984-06-15

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