ZA742085B - Camouflaged speech signal transmission systems - Google Patents

Camouflaged speech signal transmission systems

Info

Publication number: ZA742085B
Authority: ZA; South Africa
Prior art keywords: camouflaged; signal transmission; speech signal; transmission systems; systems
Prior art date: 1973-04-03

Application number

ZA00742085A

Inventor

H Bendel

K Buchmann

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.)

1973-04-03

Filing date

1974-04-02

Publication date

1975-03-26

1973-04-03 Priority claimed from DE19732316647 external-priority patent/DE2316647C3/en

1974-04-02 Application filed by Siemens Ag filed Critical Siemens Ag

1975-03-26 Publication of ZA742085B publication Critical patent/ZA742085B/en

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)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Noise Elimination (AREA)

ZA00742085A 1973-04-03 1974-04-02 Camouflaged speech signal transmission systems ZA742085B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732316647 DE2316647C3 (en)		1973-04-03	Method for the disguised transmission of speech signals

Publications (1)

Publication Number	Publication Date
ZA742085B true ZA742085B (en)	1975-03-26

Family

ID=5876880

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00742085A ZA742085B (en)	1973-04-03	1974-04-02	Camouflaged speech signal transmission systems

Country Status (14)

Country	Link
AT (1)	AT333851B (en)
AU (1)	AU484739B2 (en)
BE (1)	BE813245A (en)
CH (1)	CH576215A5 (en)
DK (1)	DK137000C (en)
FR (1)	FR2224946B1 (en)
GB (1)	GB1465923A (en)
IE (1)	IE39093B1 (en)
IL (1)	IL44495A (en)
IT (1)	IT1011198B (en)
LU (1)	LU69773A1 (en)
NL (1)	NL167069C (en)
SE (1)	SE397035B (en)
ZA (1)	ZA742085B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH596716A5 (en) *	1974-07-19	1978-03-15	Siemens Ag
DE3735781A1 (en) *	1987-10-22	1989-05-03	Grundig Emv	METHOD FOR VOICE ENCRYPTION WITH SIMULTANEOUS DATA TRANSMISSION IN NARROW-BAND TRANSMISSION SYSTEMS
EP2178235B1 (en) *	2008-10-17	2011-10-05	SignalGeneriX Ltd.	Encryption of information signals
RU2602598C1 (en) *	2015-09-14	2016-11-20	Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации	Method of generating and processing signal built in masking interference

1974
- 1974-03-18 GB GB1188174A patent/GB1465923A/en not_active Expired
- 1974-03-22 IE IE628/74A patent/IE39093B1/en unknown
- 1974-03-26 IL IL44495A patent/IL44495A/en unknown
- 1974-03-28 FR FR7410820A patent/FR2224946B1/fr not_active Expired
- 1974-03-28 CH CH437374A patent/CH576215A5/xx not_active IP Right Cessation
- 1974-03-29 IT IT49876/74A patent/IT1011198B/en active
- 1974-04-01 AU AU67383/74A patent/AU484739B2/en not_active Expired
- 1974-04-01 AT AT270674A patent/AT333851B/en not_active IP Right Cessation
- 1974-04-02 LU LU69773A patent/LU69773A1/xx unknown
- 1974-04-02 SE SE7404424A patent/SE397035B/en unknown
- 1974-04-02 DK DK182074A patent/DK137000C/en active
- 1974-04-02 ZA ZA00742085A patent/ZA742085B/en unknown
- 1974-04-03 NL NL7404542.A patent/NL167069C/en active
- 1974-04-03 BE BE142803A patent/BE813245A/en unknown

Also Published As

Publication number	Publication date
AT333851B (en)	1976-12-10
DE2316647A1 (en)	1974-10-17
FR2224946A1 (en)	1974-10-31
SE397035B (en)	1977-10-10
GB1465923A (en)	1977-03-02
NL167069C (en)	1981-10-15
CH576215A5 (en)	1976-05-31
BE813245A (en)	1974-10-03
DE2316647B2 (en)	1975-10-30
DK137000B (en)	1977-12-27
FR2224946B1 (en)	1979-05-25
NL7404542A (en)	1974-10-07
IE39093B1 (en)	1978-08-02
IE39093L (en)	1974-10-03
IT1011198B (en)	1977-01-20
LU69773A1 (en)	1974-07-18
DK137000C (en)	1978-05-29
IL44495A (en)	1977-01-31
ATA270674A (en)	1976-04-15
AU6738374A (en)	1975-10-02
IL44495A0 (en)	1974-06-30
AU484739B2 (en)	1975-10-02

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