DK526975A - Fremgangsmade til talesloring ved tidslig omskiftning af taleafsnittene - Google Patents
Fremgangsmade til talesloring ved tidslig omskiftning af taleafsnitteneInfo
- Publication number
- DK526975A DK526975A DK526975A DK526975A DK526975A DK 526975 A DK526975 A DK 526975A DK 526975 A DK526975 A DK 526975A DK 526975 A DK526975 A DK 526975A DK 526975 A DK526975 A DK 526975A
- Authority
- DK
- Denmark
- Prior art keywords
- speaking
- slow
- methods
- speech sections
- timely changing
- Prior art date
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)
- Telephonic Communication Services (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2455477A DE2455477C3 (de) | 1974-11-23 | 1974-11-23 | Verfahren zur Sprachverschleierung durch zeitliches Vertauschen der Sprachabschnitte |
DE2455477 | 1974-11-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK526975A true DK526975A (da) | 1976-05-24 |
DK146748B DK146748B (da) | 1983-12-19 |
DK146748C DK146748C (da) | 1984-05-28 |
Family
ID=5931540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK526975A DK146748C (da) | 1974-11-23 | 1975-11-21 | Anlaeg til overfoering af sloeret tale fra en sender til en modtager |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT343722B (da) |
BE (1) | BE835826A (da) |
CH (1) | CH604433A5 (da) |
DE (1) | DE2455477C3 (da) |
DK (1) | DK146748C (da) |
FR (1) | FR2292386A1 (da) |
GB (1) | GB1515937A (da) |
NL (1) | NL164165C (da) |
SE (1) | SE403023B (da) |
ZA (1) | ZA757335B (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2704822C3 (de) * | 1977-02-05 | 1980-10-23 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Verfahren zur Sprachverschlüsselung nach dem Zeitverwürfelungsverfahren |
DE2809719C3 (de) * | 1978-03-07 | 1985-03-14 | Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren zur Erhöhung der Sicherheit gegen unbefugte Rückschlüsselung von verschlüsselter Sprache |
CA1226914A (en) * | 1984-01-26 | 1987-09-15 | The University Of British Columbia | Modem for pseudo noise communication on a.c. lines |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1076733B (de) * | 1958-05-29 | 1960-03-03 | Telefunken Gmbh | Anordnung zur Sicherstellung des Synchronlaufs der Schluessel-zeichengeneratoren aufder Sende- und Empfangsseite bei der Geheimuebertragung von kodierten Nachrichtensignalen |
NL244086A (da) * | 1958-12-10 | |||
CH402937A (de) * | 1961-08-18 | 1965-11-30 | Gretag Ag | Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten |
CH411030A (de) * | 1964-08-06 | 1966-04-15 | Patelhold Patentverwertung | Einrichtung zur Verschlüsselung einer impulsförmigen Nachricht |
CH435363A (de) * | 1965-11-26 | 1967-05-15 | Patelhold Patentverwertung | Einrichtung zur Synchronisierung von Impulsgeneratoren |
CH518658A (de) * | 1970-07-07 | 1972-01-31 | Patelhold Patentverwaltungs Un | Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen |
CH524287A (de) * | 1970-09-25 | 1972-06-15 | Patelhold Patentverwertung | Verfahren zur automatischen Einstellung eines Transversalfilters zur Impulsentzerrung |
CH558993A (de) * | 1973-03-19 | 1975-02-14 | Patelhold Patentverwertung | Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung. |
CH559483A5 (da) * | 1973-06-12 | 1975-02-28 | Patelhold Patentverwertung | |
DE2704822C3 (de) * | 1977-02-05 | 1980-10-23 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Verfahren zur Sprachverschlüsselung nach dem Zeitverwürfelungsverfahren |
-
1974
- 1974-11-23 DE DE2455477A patent/DE2455477C3/de not_active Expired
-
1975
- 1975-11-19 NL NL7513495.A patent/NL164165C/xx not_active IP Right Cessation
- 1975-11-20 CH CH1505775A patent/CH604433A5/xx not_active IP Right Cessation
- 1975-11-21 BE BE162083A patent/BE835826A/xx not_active IP Right Cessation
- 1975-11-21 SE SE7513112A patent/SE403023B/xx not_active IP Right Cessation
- 1975-11-21 FR FR7535581A patent/FR2292386A1/fr active Granted
- 1975-11-21 AT AT888375A patent/AT343722B/de not_active IP Right Cessation
- 1975-11-21 DK DK526975A patent/DK146748C/da not_active IP Right Cessation
- 1975-11-24 ZA ZA757335A patent/ZA757335B/xx unknown
- 1975-11-24 GB GB48228/75A patent/GB1515937A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA757335B (en) | 1977-06-29 |
AT343722B (de) | 1978-06-12 |
DE2455477B2 (de) | 1977-08-25 |
ATA888375A (de) | 1977-10-15 |
NL164165C (nl) | 1980-11-17 |
FR2292386B1 (da) | 1980-02-08 |
FR2292386A1 (fr) | 1976-06-18 |
GB1515937A (en) | 1978-06-28 |
NL164165B (nl) | 1980-06-16 |
NL7513495A (nl) | 1976-05-25 |
CH604433A5 (da) | 1978-09-15 |
SE403023B (sv) | 1978-07-24 |
DK146748B (da) | 1983-12-19 |
SE7513112L (sv) | 1976-05-24 |
DK146748C (da) | 1984-05-28 |
DE2455477A1 (de) | 1976-05-26 |
DE2455477C3 (de) | 1982-08-26 |
AU8689875A (en) | 1977-06-02 |
BE835826A (fr) | 1976-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |