SE431279B - Digital overforingsanleggning - Google Patents
Digital overforingsanleggningInfo
- Publication number
- SE431279B SE431279B SE7810023A SE7810023A SE431279B SE 431279 B SE431279 B SE 431279B SE 7810023 A SE7810023 A SE 7810023A SE 7810023 A SE7810023 A SE 7810023A SE 431279 B SE431279 B SE 431279B
- Authority
- SE
- Sweden
- Prior art keywords
- bit
- transmission
- pulse
- counter
- pattern
- Prior art date
Links
- 238000012546 transfer Methods 0.000 title description 11
- 230000005540 biological transmission Effects 0.000 claims description 81
- 230000002093 peripheral effect Effects 0.000 claims description 46
- 230000001172 regenerating effect Effects 0.000 claims description 22
- 238000012360 testing method Methods 0.000 description 48
- 238000010586 diagram Methods 0.000 description 18
- 238000012937 correction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000009545 invasion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 108700012359 toxins Proteins 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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7710503A NL7710503A (nl) | 1977-09-27 | 1977-09-27 | Digitaal transmissiestelsel. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7810023L SE7810023L (sv) | 1979-03-28 |
| SE431279B true SE431279B (sv) | 1984-01-23 |
Family
ID=19829234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7810023A SE431279B (sv) | 1977-09-27 | 1978-09-25 | Digital overforingsanleggning |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4214206A (it) |
| JP (1) | JPS6033015B2 (it) |
| AU (1) | AU518883B2 (it) |
| CA (1) | CA1126361A (it) |
| DE (1) | DE2840552C2 (it) |
| FR (1) | FR2404353B1 (it) |
| GB (1) | GB2005116B (it) |
| IT (1) | IT1098893B (it) |
| NL (1) | NL7710503A (it) |
| SE (1) | SE431279B (it) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK159508C (da) * | 1982-05-11 | 1991-03-25 | Tandem Computers Inc | Scrambler-koder med pseudotilfaeldigsekvens-generator |
| AU569473B2 (en) * | 1982-07-20 | 1988-02-04 | Nec Corporation | Cryptographic apparatus for binary data |
| DE3400965A1 (de) * | 1984-01-13 | 1985-07-18 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Einrichtung zum rahmenaufbau auf der sendeseite bzw. rahmenabbau auf der empfangsseite fuer eine digitale richtfunkuebertragungsstrecke |
| JPH063896B2 (ja) * | 1985-02-21 | 1994-01-12 | 日本電気株式会社 | デジタル符号変換回路 |
| JPS6359131A (ja) * | 1986-08-28 | 1988-03-15 | Nec Corp | デ−タ伝送方式 |
| US4771400A (en) * | 1986-12-29 | 1988-09-13 | Cylink Corporation | Bit density controller |
| US4967389A (en) * | 1986-12-29 | 1990-10-30 | Cylink Corporation | Bit density controller |
| US5237593A (en) * | 1989-05-04 | 1993-08-17 | Stc, Plc | Sequence synchronisation |
| US6084966A (en) * | 1994-07-15 | 2000-07-04 | Ntt Mobile Communications Network, Inc. | Communicating encrypted signals in which random bits and random bit position data are inserted |
| KR100270311B1 (ko) * | 1997-11-28 | 2000-10-16 | 이계철 | 동기식디지털재생중계기망에서패턴유도지터억압을위한스크램블링회로 |
| JP3766779B2 (ja) * | 2000-03-31 | 2006-04-19 | シャープ株式会社 | 自己同期型データ伝送装置およびこれを用いたデータ駆動型情報処理装置 |
| US8213611B2 (en) * | 2004-11-03 | 2012-07-03 | Broadcom Corporation | Two-stage block synchronization and scrambling |
| US9454653B1 (en) * | 2014-05-14 | 2016-09-27 | Brian Penny | Technologies for enhancing computer security |
| US12028333B2 (en) | 2013-05-14 | 2024-07-02 | Kara Partners Llc | Systems and methods for variable-length encoding and decoding for enhancing computer systems |
| US10594687B2 (en) | 2013-05-14 | 2020-03-17 | Kara Partners Llc | Technologies for enhancing computer security |
| US10057250B2 (en) * | 2013-05-14 | 2018-08-21 | Kara Partners Llc | Technologies for enhancing computer security |
| US12375477B2 (en) | 2013-05-14 | 2025-07-29 | Kara Partners Llc | Systems and methods for variable-length encoding and decoding for enhancing computer systems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1582790A (it) * | 1968-01-16 | 1969-10-10 | ||
| US3590380A (en) * | 1968-02-23 | 1971-06-29 | Philips Corp | Repeater station for information signals containing pseudo-random auxiliary signals |
| NL7400760A (nl) * | 1974-01-21 | 1975-07-23 | Philips Nv | Transmissiesysteem voor pulssignalen van vaste klokfrequentie. |
| CH621445A5 (it) * | 1976-09-09 | 1981-01-30 | Gretag Ag | |
| US4095053A (en) * | 1977-09-01 | 1978-06-13 | Bell Telephone Laboratories, Incorporated | Quasi-pulse stuffing synchronization |
-
1977
- 1977-09-27 NL NL7710503A patent/NL7710503A/xx not_active Application Discontinuation
-
1978
- 1978-08-18 US US05/934,824 patent/US4214206A/en not_active Expired - Lifetime
- 1978-09-18 DE DE2840552A patent/DE2840552C2/de not_active Expired
- 1978-09-21 CA CA311,765A patent/CA1126361A/en not_active Expired
- 1978-09-22 IT IT27990/78A patent/IT1098893B/it active
- 1978-09-22 GB GB7837803A patent/GB2005116B/en not_active Expired
- 1978-09-25 FR FR7827393A patent/FR2404353B1/fr not_active Expired
- 1978-09-25 SE SE7810023A patent/SE431279B/sv not_active IP Right Cessation
- 1978-09-26 AU AU40207/78A patent/AU518883B2/en not_active Expired
- 1978-09-27 JP JP53118099A patent/JPS6033015B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2005116A (en) | 1979-04-11 |
| IT1098893B (it) | 1985-09-18 |
| SE7810023L (sv) | 1979-03-28 |
| NL7710503A (nl) | 1979-03-29 |
| AU518883B2 (en) | 1981-10-22 |
| JPS6033015B2 (ja) | 1985-07-31 |
| FR2404353B1 (fr) | 1987-06-05 |
| DE2840552C2 (de) | 1983-12-01 |
| CA1126361A (en) | 1982-06-22 |
| IT7827990A0 (it) | 1978-09-22 |
| US4214206A (en) | 1980-07-22 |
| FR2404353A1 (fr) | 1979-04-20 |
| AU4020778A (en) | 1980-04-03 |
| JPS5457907A (en) | 1979-05-10 |
| DE2840552A1 (de) | 1979-03-29 |
| GB2005116B (en) | 1982-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE431279B (sv) | Digital overforingsanleggning | |
| JP3049296B2 (ja) | シーケンス同期方法及び装置 | |
| US4225935A (en) | Coding method and system with enhanced security | |
| EP0549672B1 (en) | Sequence synchronisation | |
| US4771463A (en) | Digital scrambling without error multiplication | |
| EP0157413A2 (en) | Digital communication system including an error correcting encoder/decoder and a scrambler/descrambler | |
| EP0542894A1 (en) | Novel spread spectrum codec apparatus and method | |
| US5163092A (en) | Parallel scrambler used in sonet data transmission | |
| US6122376A (en) | State synchronized cipher text scrambler | |
| JPS5813056B2 (ja) | 多重化パルス伝送システムにおける正確なフレ−ム化を維持する方法 | |
| US6741636B1 (en) | System and method for converting data into a noise-like waveform | |
| CA1243737A (en) | Self-synchronizing scrambler | |
| KR0163057B1 (ko) | 테스트 시퀀스에 의해 신호를 등화시키는 방법 | |
| US5946398A (en) | State synchronized cipher text scrambler | |
| FI106349B (fi) | Menetelmä ja laite syöttösykäyssarjan ilmaisemiseksi | |
| EP0130998A1 (en) | Ternary encoding and decoding of digital data | |
| RU2737763C1 (ru) | Комплекс декаметровой радиосвязи | |
| RU2205445C1 (ru) | Устройство для передачи данных | |
| SU1633521A1 (ru) | Устройство передачи приема телевизионного сигнала с помощью дифференциальной импульсно-кодовой модул ции | |
| SU866772A1 (ru) | Устройство дл цикловой синхронизации | |
| SU684763A1 (ru) | Декодирующее устройство дл систем св зи с решающей обратной св зью | |
| SU1156264A1 (ru) | Устройство дл синхронизации @ -последовательности с инверсной модул цией | |
| JP2953977B2 (ja) | 回線障害監視回路 | |
| WO1988003343A1 (en) | Multiplex digital communications system | |
| SU692106A1 (ru) | Устройство дл приема дискретной информации |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7810023-7 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7810023-7 Format of ref document f/p: F |