NO304869B1 - Kommunikasjonssystem, samt fremgangsmÕte for Õ overf°re datategn mellom en sender og en mottaker - Google Patents
Kommunikasjonssystem, samt fremgangsmÕte for Õ overf°re datategn mellom en sender og en mottaker Download PDFInfo
- Publication number
- NO304869B1 NO304869B1 NO923945A NO923945A NO304869B1 NO 304869 B1 NO304869 B1 NO 304869B1 NO 923945 A NO923945 A NO 923945A NO 923945 A NO923945 A NO 923945A NO 304869 B1 NO304869 B1 NO 304869B1
- Authority
- NO
- Norway
- Prior art keywords
- character
- characters
- data
- predetermined set
- transmitter
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 37
- 230000001360 synchronised effect Effects 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013502 data validation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/36—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with means for detecting characters not meant for transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Details Of Television Scanning (AREA)
- Optical Communication System (AREA)
- Noise Elimination (AREA)
- Eye Examination Apparatus (AREA)
- Superheterodyne Receivers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Endoscopes (AREA)
- Studio Circuits (AREA)
- Control Of Amplification And Gain Control (AREA)
- Computer And Data Communications (AREA)
- Surgical Instruments (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Burglar Alarm Systems (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Radar Systems Or Details Thereof (AREA)
- Liquid Developers In Electrophotography (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB909008374A GB9008374D0 (en) | 1990-04-12 | 1990-04-12 | Communication system |
| PCT/GB1991/000579 WO1991016778A1 (fr) | 1990-04-12 | 1991-04-12 | Systeme pour empecher un brouilleur de generer des symboles non desires |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO923945D0 NO923945D0 (no) | 1992-10-09 |
| NO923945L NO923945L (no) | 1992-12-09 |
| NO304869B1 true NO304869B1 (no) | 1999-02-22 |
Family
ID=10674374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO923945A NO304869B1 (no) | 1990-04-12 | 1992-10-09 | Kommunikasjonssystem, samt fremgangsmÕte for Õ overf°re datategn mellom en sender og en mottaker |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5333197A (fr) |
| EP (1) | EP0524253B1 (fr) |
| JP (1) | JP2922643B2 (fr) |
| AT (1) | ATE154996T1 (fr) |
| DE (1) | DE69126702T2 (fr) |
| DK (1) | DK0524253T3 (fr) |
| ES (1) | ES2104701T3 (fr) |
| GB (2) | GB9008374D0 (fr) |
| HK (2) | HK133096A (fr) |
| NO (1) | NO304869B1 (fr) |
| WO (1) | WO1991016778A1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5872822A (en) * | 1995-10-26 | 1999-02-16 | Mcdata Corporation | Method and apparatus for memory sequencing |
| CA2258935A1 (fr) * | 1997-04-30 | 1998-11-05 | Sony Corporation | Dispositif et procede pour la transmission de donnees numeriques |
| DE19815408C2 (de) * | 1998-04-06 | 2002-06-20 | Rohde & Schwarz | Anordnung zum Optimieren der Datenübertragung eines gedächtnisbehafteten Funkkanals |
| US6233718B1 (en) | 1998-10-19 | 2001-05-15 | Dolby Laboratories Licensing Corporation | Avoiding forbidden data patterns in coded audio data |
| US7418098B1 (en) * | 2000-11-27 | 2008-08-26 | Protegrity Corporation | Data type preserving encryption |
| DE60130902T2 (de) * | 2001-11-23 | 2008-07-17 | Protegrity Research & Development | Verfahren zum Erkennen des Eindringens in ein Datenbanksystem |
| CN1328874C (zh) * | 2002-05-10 | 2007-07-25 | 索尼株式会社 | 用于传输数据的方法和装置 |
| GB2430510B (en) * | 2005-09-27 | 2011-05-25 | Snell & Wilcox Ltd | Improved scrambling |
| US8225106B2 (en) | 2008-04-02 | 2012-07-17 | Protegrity Corporation | Differential encryption utilizing trust modes |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781472A (en) * | 1971-04-15 | 1973-12-25 | Datotek | Digital data ciphering technique |
| US3886313A (en) * | 1972-09-29 | 1975-05-27 | Datotek | Voice security method and system |
| US3868631A (en) * | 1972-10-20 | 1975-02-25 | Datotek | Digital cryptographic system and method |
| US4079188A (en) * | 1975-04-14 | 1978-03-14 | Datotek, Inc. | Multi-mode digital enciphering system |
| FR2439444A1 (fr) * | 1978-10-18 | 1980-05-16 | Lapeyronnie E | Dispositif reversible de sur-codage pour la transmission confidentielle d'information pouvant etre imprimee |
| US4477912A (en) * | 1982-02-12 | 1984-10-16 | Arinc Research Corporation | Correlation data communications system |
| DE3207040A1 (de) * | 1982-02-26 | 1983-09-08 | Siemens AG, 1000 Berlin und 8000 München | Vefahren und anordnung zum uebertragen von zeichen |
| US4606056A (en) * | 1985-02-04 | 1986-08-12 | Burroughs Corporation | Method of encoding and serially transmitting self-clocking data and control characters |
| DE3514860A1 (de) * | 1985-04-25 | 1986-10-30 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur bitweise verschluesselten uebertragung |
| US4771463A (en) * | 1986-12-05 | 1988-09-13 | Siemens Transmission Systems, Inc. | Digital scrambling without error multiplication |
| US4811357A (en) * | 1988-01-04 | 1989-03-07 | Paradyne Corporation | Secondary channel for digital modems using spread spectrum subliminal induced modulation |
| US5012489A (en) * | 1988-11-07 | 1991-04-30 | Hayes Microcomputer Products, Inc. | Method for sending a plurality of data channels over a single communications line |
-
1990
- 1990-04-12 GB GB909008374A patent/GB9008374D0/en active Pending
-
1991
- 1991-04-12 DK DK91908134.9T patent/DK0524253T3/da active
- 1991-04-12 JP JP3507507A patent/JP2922643B2/ja not_active Expired - Fee Related
- 1991-04-12 DE DE69126702T patent/DE69126702T2/de not_active Expired - Lifetime
- 1991-04-12 US US07/956,010 patent/US5333197A/en not_active Expired - Lifetime
- 1991-04-12 AT AT91908134T patent/ATE154996T1/de not_active IP Right Cessation
- 1991-04-12 EP EP91908134A patent/EP0524253B1/fr not_active Expired - Lifetime
- 1991-04-12 ES ES91908134T patent/ES2104701T3/es not_active Expired - Lifetime
- 1991-04-12 WO PCT/GB1991/000579 patent/WO1991016778A1/fr active IP Right Grant
-
1992
- 1992-10-09 GB GB9221315A patent/GB2258373B/en not_active Expired - Fee Related
- 1992-10-09 NO NO923945A patent/NO304869B1/no not_active IP Right Cessation
-
1996
- 1996-07-25 HK HK133096A patent/HK133096A/xx not_active IP Right Cessation
-
1998
- 1998-01-02 HK HK98100024A patent/HK1001114A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB9008374D0 (en) | 1990-06-13 |
| JPH05506134A (ja) | 1993-09-02 |
| EP0524253B1 (fr) | 1997-07-02 |
| ES2104701T3 (es) | 1997-10-16 |
| HK133096A (en) | 1996-08-02 |
| GB9221315D0 (en) | 1992-12-02 |
| DE69126702D1 (de) | 1997-08-07 |
| HK1001114A1 (en) | 1998-05-22 |
| EP0524253A1 (fr) | 1993-01-27 |
| GB2258373A (en) | 1993-02-03 |
| DE69126702T2 (de) | 1997-12-04 |
| NO923945D0 (no) | 1992-10-09 |
| NO923945L (no) | 1992-12-09 |
| ATE154996T1 (de) | 1997-07-15 |
| WO1991016778A1 (fr) | 1991-10-31 |
| US5333197A (en) | 1994-07-26 |
| GB2258373B (en) | 1994-04-06 |
| JP2922643B2 (ja) | 1999-07-26 |
| DK0524253T3 (da) | 1998-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN OCTOBER 2003 |