JPS622379B2 - - Google Patents
Info
- Publication number
- JPS622379B2 JPS622379B2 JP55036558A JP3655880A JPS622379B2 JP S622379 B2 JPS622379 B2 JP S622379B2 JP 55036558 A JP55036558 A JP 55036558A JP 3655880 A JP3655880 A JP 3655880A JP S622379 B2 JPS622379 B2 JP S622379B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- signal
- tracking
- feed
- tracking control
- 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
Links
- 238000010586 diagram Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 9
- 230000001172 regenerating effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Control Of Direct Current Motors (AREA)
- Moving Of Heads (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3655880A JPS56134359A (en) | 1980-03-22 | 1980-03-22 | Driving circuit of feeder direct current motor |
US06/246,721 US4470078A (en) | 1980-03-22 | 1981-03-23 | Pulse driven control circuit for moving a transducer across a rotary recording medium of pulses applied thereto |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3655880A JPS56134359A (en) | 1980-03-22 | 1980-03-22 | Driving circuit of feeder direct current motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56134359A JPS56134359A (en) | 1981-10-21 |
JPS622379B2 true JPS622379B2 (US20100056889A1-20100304-C00004.png) | 1987-01-19 |
Family
ID=12473077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3655880A Granted JPS56134359A (en) | 1980-03-22 | 1980-03-22 | Driving circuit of feeder direct current motor |
Country Status (2)
Country | Link |
---|---|
US (1) | US4470078A (US20100056889A1-20100304-C00004.png) |
JP (1) | JPS56134359A (US20100056889A1-20100304-C00004.png) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57127970A (en) * | 1981-01-30 | 1982-08-09 | Victor Co Of Japan Ltd | Feed pulse generating circuit |
JPS6083478A (ja) * | 1983-10-14 | 1985-05-11 | Fuji Photo Film Co Ltd | 回転磁気記録体トラツキング装置 |
DE3677764D1 (de) * | 1985-12-24 | 1991-04-04 | Toshiba Kawasaki Kk | Steuersystem fuer ein geraet zur wiedergabe optischer informationen. |
JP2008204502A (ja) * | 2007-02-16 | 2008-09-04 | Fujitsu Ltd | 書き込みヘッドの位置決め方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1130456A (en) * | 1976-04-08 | 1982-08-24 | Hisao Kinjo | Information signal recording system |
JPS5921104B2 (ja) * | 1977-03-08 | 1984-05-17 | 日本ビクター株式会社 | 情報記録媒体再生装置におけるトラッキングサ−ボ装置 |
JPS5925300B2 (ja) * | 1977-12-28 | 1984-06-16 | 日本ビクター株式会社 | 情報信号再生装置のフイ−ド自動追従装置 |
JPS5498517A (en) * | 1978-01-20 | 1979-08-03 | Victor Co Of Japan Ltd | Reproducer for information signal |
DE3017280C2 (de) * | 1979-05-09 | 1986-02-20 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Wiedergabevorrichtung in einem Gerät zur Wiedergabe von Signalen von einem rotierenden Aufzeichnungsträger |
US4330879A (en) * | 1979-10-18 | 1982-05-18 | Rca Corporation | Adaptive stylus kicker using disc track and disc sector information |
-
1980
- 1980-03-22 JP JP3655880A patent/JPS56134359A/ja active Granted
-
1981
- 1981-03-23 US US06/246,721 patent/US4470078A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4470078A (en) | 1984-09-04 |
JPS56134359A (en) | 1981-10-21 |