GB1575728A - Coding and decoding digital information - Google Patents
Coding and decoding digital information Download PDFInfo
- Publication number
- GB1575728A GB1575728A GB21299/77A GB2129977A GB1575728A GB 1575728 A GB1575728 A GB 1575728A GB 21299/77 A GB21299/77 A GB 21299/77A GB 2129977 A GB2129977 A GB 2129977A GB 1575728 A GB1575728 A GB 1575728A
- Authority
- GB
- United Kingdom
- Prior art keywords
- code
- information
- arrangement
- output
- 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.)
- Expired
Links
- 230000007704 transition Effects 0.000 claims description 27
- 230000004044 response Effects 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000036962 time dependent Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 9
- 238000013519 translation Methods 0.000 description 8
- 230000014616 translation Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 241000554155 Andes Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7605529A NL7605529A (nl) | 1976-05-24 | 1976-05-24 | Inrichting voor het overdragen van digitale informatie. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575728A true GB1575728A (en) | 1980-09-24 |
Family
ID=19826248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21299/77A Expired GB1575728A (en) | 1976-05-24 | 1977-05-20 | Coding and decoding digital information |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS52143806A (enrdf_load_stackoverflow) |
| CA (1) | CA1095166A (enrdf_load_stackoverflow) |
| DE (1) | DE2721057C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2353184B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1575728A (enrdf_load_stackoverflow) |
| NL (1) | NL7605529A (enrdf_load_stackoverflow) |
| SE (1) | SE435124B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305582A (en) * | 1995-09-18 | 1997-04-09 | Samsung Electronics Co Ltd | Channel encoding and decoding for eight to fourteen modulation using merging bits |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8601603A (nl) * | 1986-06-20 | 1988-01-18 | Philips Nv | Kanaalcoderingsinrichting. |
| NL8702903A (nl) * | 1987-12-03 | 1989-07-03 | Philips Nv | Werkwijze en inrichting voor het optekenen van informatie op een registratiedrager, alsmede een inrichting voor het uitlezen van de opgetekende informatie. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3337864A (en) * | 1963-08-01 | 1967-08-22 | Automatic Elect Lab | Duobinary conversion, reconversion and error detection |
| US3641525A (en) * | 1970-08-17 | 1972-02-08 | Ncr Co | Self-clocking five bit record-playback system |
-
1976
- 1976-05-24 NL NL7605529A patent/NL7605529A/xx not_active Application Discontinuation
-
1977
- 1977-05-11 DE DE2721057A patent/DE2721057C2/de not_active Expired
- 1977-05-18 SE SE7705879A patent/SE435124B/xx unknown
- 1977-05-19 CA CA278,802A patent/CA1095166A/en not_active Expired
- 1977-05-20 GB GB21299/77A patent/GB1575728A/en not_active Expired
- 1977-05-23 FR FR7715760A patent/FR2353184B1/fr not_active Expired
- 1977-05-24 JP JP5951177A patent/JPS52143806A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305582A (en) * | 1995-09-18 | 1997-04-09 | Samsung Electronics Co Ltd | Channel encoding and decoding for eight to fourteen modulation using merging bits |
| US5748119A (en) * | 1995-09-18 | 1998-05-05 | Samsung Electronics Co., Ltd. | Devices and methods for channel-encoding and channel-decoding of digital data |
| GB2305582B (en) * | 1995-09-18 | 2000-01-19 | Samsung Electronics Co Ltd | Devices and methods for channel-encoding and channel-decoding of digital data |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52143806A (en) | 1977-11-30 |
| FR2353184B1 (fr) | 1986-09-26 |
| NL7605529A (nl) | 1977-11-28 |
| SE7705879L (sv) | 1977-11-25 |
| DE2721057C2 (de) | 1985-09-05 |
| DE2721057A1 (de) | 1977-12-15 |
| CA1095166A (en) | 1981-02-03 |
| FR2353184A1 (fr) | 1977-12-23 |
| SE435124B (sv) | 1984-09-03 |
| JPH0355902B2 (enrdf_load_stackoverflow) | 1991-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920520 |