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 methodInfo
- Publication number
- JPS5729100A JPS5729100A JP9460181A JP9460181A JPS5729100A JP S5729100 A JPS5729100 A JP S5729100A JP 9460181 A JP9460181 A JP 9460181A JP 9460181 A JP9460181 A JP 9460181A JP S5729100 A JPS5729100 A JP S5729100A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- segments
- ciphered
- encoding transmission
- voice signal
- 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.)
- Pending
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)
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 (pt) |
JP (1) | JPS5729100A (pt) |
AR (1) | AR228273A1 (pt) |
AT (1) | ATE7993T1 (pt) |
BR (1) | BR8103891A (pt) |
DE (1) | DE3164136D1 (pt) |
DK (1) | DK271481A (pt) |
ES (1) | ES8303853A1 (pt) |
FI (1) | FI811862L (pt) |
NO (1) | NO812082L (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0314853U (pt) * | 1989-06-28 | 1991-02-14 |
Families Citing this family (5)
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 |
DE3579596D1 (de) * | 1985-10-17 | 1990-10-11 | Ant Nachrichtentech | Mobilfunksystem fuer die uebertragung 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)
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/FI811862L/fi not_active Application Discontinuation
- 1981-06-17 DE DE8181104666T patent/DE3164136D1/de not_active Expired
- 1981-06-17 ES ES503158A patent/ES8303853A1/es not_active Expired
- 1981-06-17 EP EP81104666A patent/EP0042587B1/de not_active Expired
- 1981-06-17 AT AT81104666T patent/ATE7993T1/de active
- 1981-06-18 NO NO812082A patent/NO812082L/no unknown
- 1981-06-19 DK DK271481A patent/DK271481A/da not_active Application Discontinuation
- 1981-06-19 BR BR8103891A patent/BR8103891A/pt unknown
- 1981-06-19 AR AR285780A patent/AR228273A1/es active
- 1981-06-20 JP JP9460181A patent/JPS5729100A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0314853U (pt) * | 1989-06-28 | 1991-02-14 |
Also Published As
Publication number | Publication date |
---|---|
BR8103891A (pt) | 1982-03-09 |
ATE7993T1 (de) | 1984-06-15 |
ES503158A0 (es) | 1983-02-01 |
ES8303853A1 (es) | 1983-02-01 |
DK271481A (da) | 1981-12-21 |
AR228273A1 (es) | 1983-02-15 |
EP0042587B1 (de) | 1984-06-13 |
EP0042587A1 (de) | 1981-12-30 |
DE3164136D1 (en) | 1984-07-19 |
NO812082L (no) | 1981-12-21 |
FI811862L (fi) | 1981-12-21 |
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