JPH038001B2 - - Google Patents
Info
- Publication number
- JPH038001B2 JPH038001B2 JP56031633A JP3163381A JPH038001B2 JP H038001 B2 JPH038001 B2 JP H038001B2 JP 56031633 A JP56031633 A JP 56031633A JP 3163381 A JP3163381 A JP 3163381A JP H038001 B2 JPH038001 B2 JP H038001B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- signal
- waveform
- recording
- 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.)
- Expired - Lifetime
Links
- 230000007423 decrease Effects 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 238000009958 sewing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000010363 phase shift Effects 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3163381A JPS57147112A (en) | 1981-03-05 | 1981-03-05 | Binary data recorder |
US06/350,910 US4473851A (en) | 1981-03-05 | 1982-02-22 | Analog magnetic recording system for binary signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3163381A JPS57147112A (en) | 1981-03-05 | 1981-03-05 | Binary data recorder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57147112A JPS57147112A (en) | 1982-09-10 |
JPH038001B2 true JPH038001B2 (US08197722-20120612-C00042.png) | 1991-02-05 |
Family
ID=12336608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3163381A Granted JPS57147112A (en) | 1981-03-05 | 1981-03-05 | Binary data recorder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57147112A (US08197722-20120612-C00042.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438703A (ja) * | 1990-06-04 | 1992-02-07 | Nec Corp | フロッピーディスク装置用書込電流設定回路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50125711A (US08197722-20120612-C00042.png) * | 1974-03-11 | 1975-10-03 | ||
JPS5528566A (en) * | 1978-08-21 | 1980-02-29 | Nec Corp | Magnetic recording system |
-
1981
- 1981-03-05 JP JP3163381A patent/JPS57147112A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50125711A (US08197722-20120612-C00042.png) * | 1974-03-11 | 1975-10-03 | ||
JPS5528566A (en) * | 1978-08-21 | 1980-02-29 | Nec Corp | Magnetic recording system |
Also Published As
Publication number | Publication date |
---|---|
JPS57147112A (en) | 1982-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5233589A (en) | Method for recording/reproducing information having a function of correcting variations in the interval in reproduced data and apparatus for realizing same | |
TW412740B (en) | Information recording method and device | |
JPH0680555B2 (ja) | デ−タ媒体の光学的書込み読取り装置に於ける同期信号の位相再生方法及びデバイス | |
US4651235A (en) | Magnetic data transfer apparatus having a combined read/write head | |
KR940009972A (ko) | 정보 재생 장치 및 재생 방법 | |
JPH038001B2 (US08197722-20120612-C00042.png) | ||
JPS6232547B2 (US08197722-20120612-C00042.png) | ||
US5189657A (en) | Circuit for writing and reproducing a modulation signal onto writable optical disk | |
US4473851A (en) | Analog magnetic recording system for binary signals | |
US5978338A (en) | Apparatus for reproducing short length data stored on an optical disk | |
JPS61188743A (ja) | デイスク記録情報複写装置 | |
JPH051010Y2 (US08197722-20120612-C00042.png) | ||
JP3166159B2 (ja) | 再生装置 | |
JP2988460B2 (ja) | 磁気ディスク装置 | |
JPH0235390B2 (US08197722-20120612-C00042.png) | ||
JP2587556B2 (ja) | クロック再生回路 | |
KR100505575B1 (ko) | 하드 디스크 드라이브의 서보 패턴 발생 장치 및 방법 | |
JP3010643B2 (ja) | 1―7rll変調方式エンコーダ回路 | |
JP3311428B2 (ja) | トラック追従制御方法 | |
JPS61276180A (ja) | デイスク記録媒体及びデイスク記憶装置 | |
JPS5960554A (ja) | 磁気デイスク装置のアドレス変換方式 | |
JP2882611B2 (ja) | 追記型光学式記録再生装置 | |
JPH05303706A (ja) | ピークシフト補正装置 | |
JPS60113302A (ja) | フロッピ−ディスク装置 | |
JPH0251714A (ja) | システムクロック・ジェネレータ |