DE2610687A1 - Verfahren zur demodulation von auf magnetband seriell aufgezeichneten split- phase-signalen und schaltungsanordnung zur durchfuehrung des verfahrens - Google Patents
Verfahren zur demodulation von auf magnetband seriell aufgezeichneten split- phase-signalen und schaltungsanordnung zur durchfuehrung des verfahrensInfo
- Publication number
- DE2610687A1 DE2610687A1 DE19762610687 DE2610687A DE2610687A1 DE 2610687 A1 DE2610687 A1 DE 2610687A1 DE 19762610687 DE19762610687 DE 19762610687 DE 2610687 A DE2610687 A DE 2610687A DE 2610687 A1 DE2610687 A1 DE 2610687A1
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- signal
- phase
- recorded
- bit
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 22
- 238000005070 sampling Methods 0.000 claims description 8
- 238000009499 grossing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 8
- 230000010363 phase shift Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18533075A DD124408A3 (enExample) | 1975-04-09 | 1975-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2610687A1 true DE2610687A1 (de) | 1977-01-20 |
Family
ID=5499862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762610687 Withdrawn DE2610687A1 (de) | 1975-04-09 | 1976-03-13 | Verfahren zur demodulation von auf magnetband seriell aufgezeichneten split- phase-signalen und schaltungsanordnung zur durchfuehrung des verfahrens |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS208367B1 (enExample) |
| DD (1) | DD124408A3 (enExample) |
| DE (1) | DE2610687A1 (enExample) |
| FR (1) | FR2307400A1 (enExample) |
| NL (1) | NL7603667A (enExample) |
| SU (1) | SU665319A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3105130A1 (de) * | 1980-02-13 | 1981-12-17 | International Computers Ltd., London | "digitalanordnung" |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU183139B (en) * | 1980-05-14 | 1984-04-28 | Magyar Optikai Muevek | Electronic decoding circuit arrangement for systems with self-synchronization |
-
1975
- 1975-04-09 DD DD18533075A patent/DD124408A3/xx unknown
-
1976
- 1976-03-13 DE DE19762610687 patent/DE2610687A1/de not_active Withdrawn
- 1976-04-02 CS CS216576A patent/CS208367B1/cs unknown
- 1976-04-07 NL NL7603667A patent/NL7603667A/xx not_active Application Discontinuation
- 1976-04-09 FR FR7610586A patent/FR2307400A1/fr active Granted
- 1976-04-09 SU SU762344806A patent/SU665319A1/ru active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3105130A1 (de) * | 1980-02-13 | 1981-12-17 | International Computers Ltd., London | "digitalanordnung" |
Also Published As
| Publication number | Publication date |
|---|---|
| SU665319A1 (ru) | 1979-05-30 |
| FR2307400A1 (fr) | 1976-11-05 |
| DD124408A3 (enExample) | 1977-02-23 |
| FR2307400B3 (enExample) | 1979-07-13 |
| NL7603667A (nl) | 1976-10-12 |
| CS208367B1 (en) | 1981-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3229761C2 (de) | Schwellwertsteuerungsschaltung zur Decodierung eines partiellen Lesesignals in einem magnetischen Aufzeichnungs- und Wiedergabegerät | |
| DE3137906C2 (enExample) | ||
| DE69022878T2 (de) | Verfahren eingebauter Fensterabtastung für einen Datensynchronisierer. | |
| DE2648976C3 (de) | Zeitsteuerungsschaltung in Kombination mit einem Demodulator in einer differentiell kohärenten PSK-Datenfibertragnngsanlage | |
| DE3116054C2 (enExample) | ||
| DE3883907T2 (de) | Vorrichtung zum Aufnehmen und Wiedergeben von digitalen Signalen. | |
| DE3236311C2 (enExample) | ||
| DE2618031A1 (de) | Decodierschaltung | |
| DE2637381A1 (de) | Zeitsteuerungswiedergewinnungsschaltung | |
| DE2427225A1 (de) | Verfahren und schaltungsanordnung zur demodulation digitaler information | |
| DE2734421A1 (de) | Miller-kode-dekodierer | |
| DE3751898T2 (de) | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem | |
| DE2702047C3 (de) | Schaltungsanordnung zur Wiedergewinnung von Daten | |
| DE69224936T2 (de) | Auslesen von Signalen für optisches Speichermedium | |
| DE3888313T2 (de) | DC - Rückgewinnungsschaltung zur Rückgewinnung und Kompensierung von verlorenen Niederfrequenz-Komponenten in einen digitalen Signal-Übertragungssystem. | |
| DE2349685C2 (de) | Verfahren und Einrichtung zur Wiedergewinnung binärer Datensignale | |
| DE3051112C2 (enExample) | ||
| DE3882168T2 (de) | Synchronisierungs-taktsignalerzeuger. | |
| DE68915840T2 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät für digitale Signale zur Verwendung bei der Quadraturamplitudenmodulation. | |
| DE68916043T2 (de) | Schwellenwertnachlaufsystem. | |
| DE69322015T2 (de) | Automatische Phaseneinstellungsschaltung für ein Taktsignal | |
| EP0264035B1 (de) | Phasendiskriminator, insbesondere für eine PLL-Schaltung | |
| DE2610687A1 (de) | Verfahren zur demodulation von auf magnetband seriell aufgezeichneten split- phase-signalen und schaltungsanordnung zur durchfuehrung des verfahrens | |
| DE3332800A1 (de) | System zur signalrueckgewinnung | |
| DE69228638T2 (de) | Taktwiedergewinnungsvorrichtung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |