JPS5729100A - Method of modifying voice signal divided into signal segments for encoding transmission and device for executing same method - Google Patents

Method of modifying voice signal divided into signal segments for encoding transmission and device for executing same method

Info

Publication number: JPS5729100A
Authority: JP; Japan
Prior art keywords: signal; segments; ciphered; encoding transmission; voice signal
Prior art date: 1980-06-20
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.): Pending

Application number

JP9460181A

Other languages

English (en)

Japanese (ja)

Inventor

Kafurishiyu Menjia

Ueebaa Richiyaado

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.)

CRYPTO AG

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

1981-06-20

Publication date

1982-02-16

1981-06-20 Application filed by CRYPTO AG filed Critical CRYPTO AG

1982-02-16 Publication of JPS5729100A publication Critical patent/JPS5729100A/ja

Status Pending legal-status Critical Current

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)

JP9460181A 1980-06-20 1981-06-20 Method of modifying voice signal divided into signal segments for encoding transmission and device for executing same method Pending JPS5729100A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
JPS5729100A true JPS5729100A (en)	1982-02-16

Family

ID=4282095

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP9460181A Pending JPS5729100A (en)	1980-06-20	1981-06-20	Method of modifying voice signal divided into signal segments for encoding transmission and device for executing same method

Country Status (10)

Country	Link
EP (1)	EP0042587B1 (de)
JP (1)	JPS5729100A (de)
AR (1)	AR228273A1 (de)
AT (1)	ATE7993T1 (de)
BR (1)	BR8103891A (de)
DE (1)	DE3164136D1 (de)
DK (1)	DK271481A (de)
ES (1)	ES503158A0 (de)
FI (1)	FI811862A7 (de)
NO (1)	NO812082L (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0314853U (de) *	1989-06-28	1991-02-14

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59111441A (ja) *	1982-12-17	1984-06-27	Sony Corp	音声信号の秘話方式
JPS59127442A (ja) *	1983-01-11	1984-07-23	Sony Corp	音声信号の秘話方式
FR2541060B1 (fr) *	1983-02-16	1989-02-03	Electroniques Et Const	Procede de brouillage d'informations a transmettre d'un poste emetteur a un poste recepteur
EP0219559B1 (de) *	1985-10-17	1990-09-05	ANT Nachrichtentechnik GmbH	Mobilfunksystem für die Übertragung sowohl digitaler als auch analoger Signale
FR2625391A1 (fr) *	1987-12-23	1989-06-30	Radiotechnique Ind & Comm	Procede et systeme de brouillage/desembrouillage du son

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 (de) *	1978-08-04	1980-02-21	Siemens Ag	Anordnung zur durchfuehrung einer verschleierten uebertragung von informationen

1981
- 1981-06-15 FI FI811862A patent/FI811862A7/fi not_active Application Discontinuation
- 1981-06-17 ES ES503158A patent/ES503158A0/es active Granted
- 1981-06-17 EP EP81104666A patent/EP0042587B1/de not_active Expired
- 1981-06-17 AT AT81104666T patent/ATE7993T1/de active
- 1981-06-17 DE DE8181104666T patent/DE3164136D1/de not_active Expired
- 1981-06-18 NO NO812082A patent/NO812082L/no unknown
- 1981-06-19 AR AR285780A patent/AR228273A1/es active
- 1981-06-19 DK DK271481A patent/DK271481A/da not_active Application Discontinuation
- 1981-06-19 BR BR8103891A patent/BR8103891A/pt unknown
- 1981-06-20 JP JP9460181A patent/JPS5729100A/ja active Pending

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0314853U (de) *	1989-06-28	1991-02-14

Also Published As

Publication number	Publication date
EP0042587A1 (de)	1981-12-30
ATE7993T1 (de)	1984-06-15
BR8103891A (pt)	1982-03-09
AR228273A1 (es)	1983-02-15
NO812082L (no)	1981-12-21
EP0042587B1 (de)	1984-06-13
DE3164136D1 (en)	1984-07-19
FI811862L (fi)	1981-12-21
DK271481A (da)	1981-12-21
ES8303853A1 (es)	1983-02-01
ES503158A0 (es)	1983-02-01
FI811862A7 (fi)	1981-12-21

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