JPS5599889A - Tracking control unit in information reader - Google Patents
Tracking control unit in information readerInfo
- Publication number
- JPS5599889A JPS5599889A JP667979A JP667979A JPS5599889A JP S5599889 A JPS5599889 A JP S5599889A JP 667979 A JP667979 A JP 667979A JP 667979 A JP667979 A JP 667979A JP S5599889 A JPS5599889 A JP S5599889A
- Authority
- JP
- Japan
- Prior art keywords
- output
- amplifier
- fed
- miller
- tracking
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6679A JPS54100357A (en) | 1978-01-05 | 1979-01-05 | Substituted carbamate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5599889A true JPS5599889A (en) | 1980-07-30 |
JPS6249790B2 JPS6249790B2 (ja) | 1987-10-21 |
Family
ID=11463806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP667979A Granted JPS5599889A (en) | 1979-01-05 | 1979-01-23 | Tracking control unit in information reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5599889A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58200472A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | 記録情報再生装置のトラツキング制御装置 |
JPS58224445A (ja) * | 1982-06-24 | 1983-12-26 | Toshiba Corp | ピツクアツプアクチユエ−タ共振の電気的ダンピング方法 |
JPS59116970A (ja) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | 光学式記録再生装置のトラックジャンプ制御装置 |
JPS59185077A (ja) * | 1983-04-05 | 1984-10-20 | Pioneer Electronic Corp | トラツキングサ−ボ引込装置 |
JPS6151673A (ja) * | 1984-08-21 | 1986-03-14 | Pioneer Electronic Corp | 時間軸制御方式 |
JPS62117764U (ja) * | 1986-01-16 | 1987-07-27 | ||
CN107809171A (zh) * | 2016-09-09 | 2018-03-16 | 苏州力生美半导体有限公司 | 开关电源及其功率开关管的驱动方法与驱动电路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5226802A (en) * | 1975-08-21 | 1977-02-28 | Philips Nv | Device for reading diskklike recording carrier |
-
1979
- 1979-01-23 JP JP667979A patent/JPS5599889A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5226802A (en) * | 1975-08-21 | 1977-02-28 | Philips Nv | Device for reading diskklike recording carrier |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58200472A (ja) * | 1982-05-19 | 1983-11-22 | Hitachi Ltd | 記録情報再生装置のトラツキング制御装置 |
JPH0435831B2 (ja) * | 1982-05-19 | 1992-06-12 | Hitachi Ltd | |
JPS6339978B2 (ja) * | 1982-06-24 | 1988-08-09 | Tokyo Shibaura Electric Co | |
JPS58224445A (ja) * | 1982-06-24 | 1983-12-26 | Toshiba Corp | ピツクアツプアクチユエ−タ共振の電気的ダンピング方法 |
JPS59116970A (ja) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | 光学式記録再生装置のトラックジャンプ制御装置 |
JPH0438067B2 (ja) * | 1982-12-23 | 1992-06-23 | Olympus Optical Co | |
JPS59185077A (ja) * | 1983-04-05 | 1984-10-20 | Pioneer Electronic Corp | トラツキングサ−ボ引込装置 |
JPH0154794B2 (ja) * | 1983-04-05 | 1989-11-21 | Pioneer Electronic Corp | |
JPS6151673A (ja) * | 1984-08-21 | 1986-03-14 | Pioneer Electronic Corp | 時間軸制御方式 |
JPH0157428B2 (ja) * | 1984-08-21 | 1989-12-05 | Pioneer Electronic Corp | |
JPS62117764U (ja) * | 1986-01-16 | 1987-07-27 | ||
CN107809171A (zh) * | 2016-09-09 | 2018-03-16 | 苏州力生美半导体有限公司 | 开关电源及其功率开关管的驱动方法与驱动电路 |
CN107809171B (zh) * | 2016-09-09 | 2019-12-31 | 苏州力生美半导体有限公司 | 开关电源及其功率开关管的驱动方法与驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
JPS6249790B2 (ja) | 1987-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5658141A (en) | Tracking servo read-in device for information reader | |
JPS5599889A (en) | Tracking control unit in information reader | |
JPS6446240A (en) | Disk device | |
JPS6446237A (en) | Optical information recording and reproducing device | |
ES8306280A1 (es) | "un aparato para reproducir informacion a partir de una pista de un portador de registro magnetico". | |
JPS56157182A (en) | Tracking system | |
JPS5658140A (en) | Tracking servo device for information reader | |
JPS6448231A (en) | Reproducer for data | |
US3275757A (en) | Carrier-erase magnetic tape recording | |
JPS5647944A (en) | Magnetic tape feed controlling system | |
JPS5573970A (en) | Automatic gain control system | |
JPS5755569A (en) | Tracking servo circuit of reproducing stylus | |
JPS5542319A (en) | Tracking system of recording reproducing device for information signal | |
JPS54143216A (en) | Magnetic recorder-reproducer | |
JPS5625272A (en) | Rotary phase modification system of vtr | |
JPS54131910A (en) | Servo signal system of magnetic recorder | |
JPS5730144A (en) | Disk motor driving circuit for video disk player | |
JPS573250A (en) | Control signal reproducer | |
JPS5545189A (en) | Cassette tape recorder | |
JPS6448235A (en) | Focus control circuit | |
JPS56119973A (en) | Track servo system | |
JPS6452264A (en) | Write correcting circuit | |
JPS57203264A (en) | Magnetic disc driving device | |
JPS56138374A (en) | Playback device of magnetic recording | |
JPS5755779A (en) | Motor servo circuit |