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
Authority: AR; Argentina
Prior art keywords: segments; voice signals; encrypted transmission; subdivided; signals subdivided
Prior art date: 1980-06-20

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.)

1980-06-20

Filing date

1981-06-19

Publication date

1983-02-15

1981-06-19 Application filed by Crypto Ag filed Critical Crypto Ag

1983-02-15 Application granted granted Critical

1983-02-15 Publication of AR228273A1 publication Critical patent/AR228273A1/en

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)
Time-Division Multiplex Systems (AREA)
Compression, Expansion, Code Conversion, And Decoders (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

1981
- 1981-06-15 FI FI811862A patent/FI811862L/en not_active Application Discontinuation
- 1981-06-17 EP EP81104666A patent/EP0042587B1/en not_active Expired
- 1981-06-17 AT AT81104666T patent/ATE7993T1/en active
- 1981-06-17 DE DE8181104666T patent/DE3164136D1/en not_active Expired
- 1981-06-17 ES ES503158A patent/ES503158A0/en active Granted
- 1981-06-18 NO NO812082A patent/NO812082L/en unknown
- 1981-06-19 DK DK271481A patent/DK271481A/en not_active Application Discontinuation
- 1981-06-19 AR AR285780A patent/AR228273A1/en active
- 1981-06-19 BR BR8103891A patent/BR8103891A/en unknown
- 1981-06-20 JP JP9460181A patent/JPS5729100A/en active Pending

Also Published As

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

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