DE69218154T2 - Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger - Google Patents
Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen AufzeichnungsträgerInfo
- Publication number
- DE69218154T2 DE69218154T2 DE69218154T DE69218154T DE69218154T2 DE 69218154 T2 DE69218154 T2 DE 69218154T2 DE 69218154 T DE69218154 T DE 69218154T DE 69218154 T DE69218154 T DE 69218154T DE 69218154 T2 DE69218154 T2 DE 69218154T2
- Authority
- DE
- Germany
- Prior art keywords
- filter means
- control signal
- output
- input
- filter
- 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 - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/035—Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91203350 | 1991-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69218154D1 DE69218154D1 (de) | 1997-04-17 |
| DE69218154T2 true DE69218154T2 (de) | 1997-08-21 |
Family
ID=8208085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69218154T Expired - Fee Related DE69218154T2 (de) | 1991-12-18 | 1992-12-10 | Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6252734B1 (enExample) |
| EP (1) | EP0549030B1 (enExample) |
| JP (1) | JPH05242408A (enExample) |
| KR (1) | KR100251439B1 (enExample) |
| AT (1) | ATE150202T1 (enExample) |
| DE (1) | DE69218154T2 (enExample) |
| ES (1) | ES2101801T3 (enExample) |
| TW (1) | TW222029B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943368A (en) * | 1996-07-08 | 1999-08-24 | U.S. Philips Corporation | Transmission, recording and reproduction of a digital information signal |
| JP3459563B2 (ja) * | 1998-03-06 | 2003-10-20 | パイオニア株式会社 | 波形等化器および記録情報再生装置 |
| JP2000306336A (ja) * | 1999-04-19 | 2000-11-02 | Sony Corp | 波形等化装置、波形等化装置の最適化方法、及びデータ再生装置 |
| TW480832B (en) * | 1999-12-20 | 2002-03-21 | Koninkl Philips Electronics Nv | An arrangement for receiving a digital signal from a transmission medium |
| GB2357646B (en) * | 1999-12-23 | 2004-04-21 | Ericsson Telefon Ab L M | Equaliser circuits |
| CN100401388C (zh) | 2002-08-22 | 2008-07-09 | Lg电子株式会社 | 高密度光盘的记录/再现方法 |
| KR100932506B1 (ko) * | 2003-02-27 | 2009-12-17 | 엘지전자 주식회사 | 고밀도 광디스크의 재생 제어정보 관리 및 데이터 재생제어방법 |
| US9548080B2 (en) | 2015-06-18 | 2017-01-17 | International Business Machines Corporation | Time-varying filter for high-frequency reel disturbance rejection |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469043B1 (fr) * | 1979-10-31 | 1986-01-24 | Enertec | Filtres accordes par commutation et utilisation dans un egalisateur d'enregistrement magnetique |
| US4479152A (en) * | 1982-04-22 | 1984-10-23 | Sperry Corporation | Adjustable equalizer |
| US4564869A (en) * | 1983-11-21 | 1986-01-14 | Eastman Kodak Company | Zoned equalization for a magnetic disc |
| JPS6152096A (ja) * | 1984-08-22 | 1986-03-14 | Victor Co Of Japan Ltd | 情報信号記録媒体再生装置 |
| KR900001594B1 (ko) * | 1985-04-30 | 1990-03-15 | 가부시끼가이샤 도오시바 | 플로피디스크장치의 독출회로 |
| US4945311A (en) * | 1988-08-29 | 1990-07-31 | Seagate Technology, Inc. | Electronically variable equalizer |
| US5274512A (en) | 1989-03-13 | 1993-12-28 | Sony Corporation | Coefficient control system for digital equalizer using orthogonal oscillation |
| US5237588A (en) | 1989-03-13 | 1993-08-17 | Sony Corporation | Automatic equalizer |
-
1992
- 1992-10-06 TW TW081107923A patent/TW222029B/zh active
- 1992-12-10 ES ES92203863T patent/ES2101801T3/es not_active Expired - Lifetime
- 1992-12-10 AT AT92203863T patent/ATE150202T1/de not_active IP Right Cessation
- 1992-12-10 EP EP92203863A patent/EP0549030B1/en not_active Expired - Lifetime
- 1992-12-10 DE DE69218154T patent/DE69218154T2/de not_active Expired - Fee Related
- 1992-12-15 KR KR1019920024274A patent/KR100251439B1/ko not_active Expired - Fee Related
- 1992-12-18 JP JP4339087A patent/JPH05242408A/ja active Pending
-
1994
- 1994-10-13 US US09/526,798 patent/US6252734B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE150202T1 (de) | 1997-03-15 |
| KR930014434A (ko) | 1993-07-23 |
| TW222029B (enExample) | 1994-04-01 |
| ES2101801T3 (es) | 1997-07-16 |
| KR100251439B1 (ko) | 2000-04-15 |
| US6252734B1 (en) | 2001-06-26 |
| EP0549030B1 (en) | 1997-03-12 |
| EP0549030A1 (en) | 1993-06-30 |
| DE69218154D1 (de) | 1997-04-17 |
| JPH05242408A (ja) | 1993-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69620272T2 (de) | Datenverabeitungsgerät und -verfahren | |
| DE2216498C3 (de) | Anordnung zur frequenzabhängigen Amplitudenkompression elektrischer Signale und Expansion der komprimierten Signale | |
| DE60016374T2 (de) | Schaltkreis zur reduzierung und optimierung von schreib-leseübergangszeiten in magnetischen aufzeichnungsgeräten | |
| DE69623284T2 (de) | Datenverarbeitungsgerät und -verfahren | |
| DE3787124T2 (de) | Magnetaufzeichnungs- und oder -wiedergabegerät mit Betriebsarten mit verschiedenen Trägerfrequenzen. | |
| DE69630784T2 (de) | Datenverarbeitungsgerät und -verfahren | |
| CH628455A5 (de) | Schaltung zur bearbeitung der von einem lesekopf an einem magnetischen aufzeichnungstraeger abgefuehlten digitalen signale. | |
| DE9216205U1 (de) | Kontinuierliche Filterabstimmung mit einer verrasteten Verzögerungsschleife in Massenspeichersystemen oder ähnlichen Systemen | |
| DE1954328B2 (de) | Verfahren und Schaltungsanordnung zur Audiostörgeräuschverminderung | |
| DE69218154T2 (de) | Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger | |
| DE69322600T2 (de) | Wiedergabeschaltung für einen magnetoresistiven Kopf | |
| DE2461079C2 (de) | Einrichtung zur Kompensation von Synchronisierfehlern, bedingt durch Gleichlauffehler von Bandaufzeichnungsgeräten | |
| DE69800600T2 (de) | Digitalaufzeichungs-/-wiedergabegerät | |
| DE68918270T2 (de) | Korrektur von langsamer veränderung und schneller schwankender verdrehung eines signals. | |
| DE3220315C2 (de) | Schaltungsanordnung für einen Plattenspieler, der zur Wiedergabe von auf einer Platte in Form von Grübchen aufgezeichneter Information ausgelegt ist | |
| DE3025627A1 (de) | Vorrichtung und system zur aufzeichnung von tonfrequenzsignalen auf einem magnetischen aufzeichnungstraeger | |
| DE69020226T2 (de) | Niederfrequenz-Komponenten-Rückgewinnungsschaltung zur Rückgewinnung und Kompensation von verlorenen Niederfrequenz-Komponenten in einem digitalen Signal-Übertragungssignal. | |
| DE9216204U1 (de) | Datenfilter-Abstimmanordnung für Aufzeichnungssysteme konstanter Dichte | |
| DE68922051T2 (de) | Spurregelkreis für ein magnetisches Bandgerät mit Schraubenlinienabtastung. | |
| DE2759872C2 (enExample) | ||
| DE69322015T2 (de) | Automatische Phaseneinstellungsschaltung für ein Taktsignal | |
| DE69219376T2 (de) | Magnetaufzeichnungs- und Wiedergabemethode und Gerät | |
| DE3602508C2 (enExample) | ||
| DE1296166B (enExample) | ||
| DE2323937C2 (enExample) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
| 8339 | Ceased/non-payment of the annual fee |