KR910003794B1 - Wareform equalizer for signal reproduced from a magnetic recording medium - Google Patents
Wareform equalizer for signal reproduced from a magnetic recording mediumInfo
- Publication number
- KR910003794B1 KR910003794B1 KR8702991A KR870002991A KR910003794B1 KR 910003794 B1 KR910003794 B1 KR 910003794B1 KR 8702991 A KR8702991 A KR 8702991A KR 870002991 A KR870002991 A KR 870002991A KR 910003794 B1 KR910003794 B1 KR 910003794B1
- Authority
- KR
- South Korea
- Prior art keywords
- wareform
- equalizer
- recording medium
- magnetic recording
- signal reproduced
- Prior art date
Links
Classifications
-
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP72894 | 1986-03-31 | ||
JP61072894A JPH079683B2 (ja) | 1986-03-31 | 1986-03-31 | 波形等化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870009328A KR870009328A (ko) | 1987-10-26 |
KR910003794B1 true KR910003794B1 (en) | 1991-06-12 |
Family
ID=13502515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR8702991A KR910003794B1 (en) | 1986-03-31 | 1987-03-31 | Wareform equalizer for signal reproduced from a magnetic recording medium |
Country Status (3)
Country | Link |
---|---|
US (1) | US4786989A (ko) |
JP (1) | JPH079683B2 (ko) |
KR (1) | KR910003794B1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5068753A (en) * | 1988-03-16 | 1991-11-26 | Fujitsu Limited | Data reproducing circuit for memory system having an equalizer generating two different equalizing signals used for data reproduction |
US4973915A (en) * | 1989-11-13 | 1990-11-27 | Hewlett-Packard Company | Feed forward differential equalizer for narrowing the signal pulses of magnetic heads |
US5249086A (en) * | 1990-02-15 | 1993-09-28 | Micropolis Corporation | H.D.A. pulse shaping system using a differential delay line with multiple inputs |
JPH07111038A (ja) * | 1993-10-12 | 1995-04-25 | Nec Corp | ディスク再生信号等化器 |
JPH07307024A (ja) * | 1994-03-16 | 1995-11-21 | Nikon Corp | 光ディスク再生装置 |
JP3054579B2 (ja) * | 1995-05-25 | 2000-06-19 | 三洋電機株式会社 | Vtrのイコライザ回路 |
US6621357B2 (en) | 2001-02-16 | 2003-09-16 | Cubic Corporation | Power oscillator for control of waveshape and amplitude |
US7116956B2 (en) * | 2001-02-16 | 2006-10-03 | Cubic Corporation | Power oscillator for control of waveshape and amplitude |
JPWO2006028288A1 (ja) * | 2004-09-09 | 2008-05-08 | 日本電気株式会社 | 等化フィルタ回路 |
CN100385438C (zh) * | 2006-05-19 | 2008-04-30 | 长安大学 | 基于相似波形的数字信号端点数据延拓方法 |
JP5352881B2 (ja) * | 2009-09-25 | 2013-11-27 | 松江エルメック株式会社 | コモンモードフィルタ |
US9118511B1 (en) * | 2013-10-09 | 2015-08-25 | Pmc-Sierra Us, Inc. | Reflective analog finite impulse response filter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1422148A (fr) * | 1964-10-08 | 1965-12-24 | Electronique & Automatisme Sa | Dispositif permettant d'augmenter la densité de l'écriture sur des supports magnétiques |
JPS57200926A (en) * | 1981-06-03 | 1982-12-09 | Hitachi Ltd | Signal processing circuit |
US4535417A (en) * | 1982-12-23 | 1985-08-13 | Standard Oil Company | Method and apparatus for digital time-variant filtering |
US4635143A (en) * | 1983-06-30 | 1987-01-06 | Kabushiki Kaisha Toshiba | Waveform equalizer for signal reproduced from magnetic recording medium |
US4633200A (en) * | 1985-01-29 | 1986-12-30 | Ampex Corporation | Voltage controlled equalizer |
-
1986
- 1986-03-31 JP JP61072894A patent/JPH079683B2/ja not_active Expired - Lifetime
-
1987
- 1987-03-27 US US07/030,922 patent/US4786989A/en not_active Expired - Fee Related
- 1987-03-31 KR KR8702991A patent/KR910003794B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS62231404A (ja) | 1987-10-12 |
US4786989A (en) | 1988-11-22 |
JPH079683B2 (ja) | 1995-02-01 |
KR870009328A (ko) | 1987-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19990524 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |