ATE150202T1 - 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
- ATE150202T1 ATE150202T1 AT92203863T AT92203863T ATE150202T1 AT E150202 T1 ATE150202 T1 AT E150202T1 AT 92203863 T AT92203863 T AT 92203863T AT 92203863 T AT92203863 T AT 92203863T AT E150202 T1 ATE150202 T1 AT E150202T1
- Authority
- AT
- Austria
- Prior art keywords
- control signal
- filter means
- signal input
- output
- filter
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 abstract 3
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)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91203350 | 1991-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE150202T1 true ATE150202T1 (de) | 1997-03-15 |
Family
ID=8208085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92203863T ATE150202T1 (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 |
| BRPI0306145B1 (pt) | 2002-08-22 | 2016-05-17 | Lg Electronics Inc | disco ótico de alta densidade e método de gravação/reprodução do mesmo |
| 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 EP EP92203863A patent/EP0549030B1/en not_active Expired - Lifetime
- 1992-12-10 ES ES92203863T patent/ES2101801T3/es not_active Expired - Lifetime
- 1992-12-10 DE DE69218154T patent/DE69218154T2/de not_active Expired - Fee Related
- 1992-12-10 AT AT92203863T patent/ATE150202T1/de not_active IP Right Cessation
- 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 |
|---|---|
| US6252734B1 (en) | 2001-06-26 |
| TW222029B (enExample) | 1994-04-01 |
| ES2101801T3 (es) | 1997-07-16 |
| DE69218154D1 (de) | 1997-04-17 |
| KR930014434A (ko) | 1993-07-23 |
| JPH05242408A (ja) | 1993-09-21 |
| EP0549030A1 (en) | 1993-06-30 |
| KR100251439B1 (ko) | 2000-04-15 |
| DE69218154T2 (de) | 1997-08-21 |
| EP0549030B1 (en) | 1997-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0030256B1 (en) | Buried servo track data recording systems | |
| JPS6410406A (en) | Magnetic recording and reproducing device | |
| MY128258A (en) | Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same | |
| ATE154719T1 (de) | Anordnung zum wiedergeben eines digitalen signals von einer spur auf einem aufzeichnungsträger unter verwendung eines schreibkopfs mit einem mr- element | |
| GB2125656A (en) | Digital modulation signal reading device | |
| CA2063221A1 (en) | Write laser power setting device and method | |
| EP0030300A1 (en) | Magnetic data recorder circuit and method of operating magnetic data recorders | |
| ATE150202T1 (de) | Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger | |
| CA2073323A1 (en) | Optical recording medium driving apparatus capable of accurately detecting position of optical head | |
| WO1994027294A1 (en) | Apparatus and method for dc restoration of optical recording read channel | |
| US4159489A (en) | Magnetic record reproducing system | |
| US4327383A (en) | Read circuit for a floppy disk drive | |
| US5396479A (en) | Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system | |
| DE69719009D1 (de) | Schreibkompensationsvorrichtung für aufzeichnung auf magnetische medien | |
| US4303951A (en) | Device for compensating unequal write fields in magnetic data-storage devices, especially in disc memories | |
| MY105166A (en) | Circuit arrangement for identifying the type of an optical recording medium. | |
| DE3850218D1 (de) | Anordnung zum Wiedergeben eines binären Digitalsignals mit einem Lesekopf mit eigens gewählter Spaltlänge. | |
| US3797038A (en) | Data or audio recording and playback apparatus | |
| DE69012231D1 (de) | System zum Aufnehmen/Wiedergeben von Signalen auf einem Magnetband in einer Kassette. | |
| EP0022108A1 (en) | Means for improving the high frequency response in magnetic audio recording | |
| JPS57141003A (en) | Bias control method of and apparatus for magnetic recording | |
| JPS56117382A (en) | Read-in control system in magnetic recording and playback device | |
| EP0312404A3 (en) | Apparatus and method for improving the fidelity of audio recording on a magnetic medium | |
| SU1476526A1 (ru) | Способ снижени шумов паузы при магнитной записи фонограммы | |
| JPS5477115A (en) | Magnetic recording and reproducing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |