SE409921B - Servosystem for att styra leget hos ett magnetiskt avlesningshuvud - Google Patents
Servosystem for att styra leget hos ett magnetiskt avlesningshuvudInfo
- Publication number
- SE409921B SE409921B SE7507961A SE7507961A SE409921B SE 409921 B SE409921 B SE 409921B SE 7507961 A SE7507961 A SE 7507961A SE 7507961 A SE7507961 A SE 7507961A SE 409921 B SE409921 B SE 409921B
- Authority
- SE
- Sweden
- Prior art keywords
- doctor
- controlling
- servo system
- reading head
- magnetic reading
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7409513A NL7409513A (en) | 1974-07-15 | 1974-07-15 | Servo system for controlling position of magnetic reading head - has selection signals written into data tracks with simultaneous reading of adjacent tracks |
NL7500395A NL7500395A (en) | 1975-01-14 | 1975-01-14 | Servo system for position control of magnetic read head - uses a helical scan method with capstan hold for tape height feed to tape drum |
Publications (1)
Publication Number | Publication Date |
---|---|
SE409921B true SE409921B (sv) | 1979-09-10 |
Family
ID=26645021
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7507961A SE409921B (sv) | 1974-07-15 | 1975-07-11 | Servosystem for att styra leget hos ett magnetiskt avlesningshuvud |
SE7507961D SE7507961L (sv) | 1974-07-15 | 1975-07-11 | Servosystem for styrning av ett avlesningshuvuds lege |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7507961D SE7507961L (sv) | 1974-07-15 | 1975-07-11 | Servosystem for styrning av ett avlesningshuvuds lege |
Country Status (13)
Country | Link |
---|---|
US (1) | US4056832A (xx) |
JP (1) | JPS5134707A (xx) |
AT (1) | AT344798B (xx) |
BE (1) | BE831344A (xx) |
CA (1) | CA1067997A (xx) |
CH (1) | CH607211A5 (xx) |
DE (1) | DE2530482C2 (xx) |
DK (1) | DK142516B (xx) |
ES (1) | ES439357A1 (xx) |
FR (1) | FR2279191A1 (xx) |
GB (1) | GB1518822A (xx) |
IT (1) | IT1039244B (xx) |
SE (2) | SE409921B (xx) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059787B2 (ja) * | 1975-10-14 | 1985-12-26 | ソニー株式会社 | 映像信号再生装置 |
NL7600470A (nl) * | 1976-01-17 | 1977-07-19 | Philips Nv | Servosysteem voor het sturen van de positie van een magneetkop ten opzichte van een te volgen spoor. |
US4322836A (en) * | 1976-04-08 | 1982-03-30 | Victor Company Of Japan, Ltd. | High density recording system using side-by side information and servo tracks |
US4321621A (en) * | 1976-04-08 | 1982-03-23 | Victor Company Of Japan, Ltd. | High density recording system using side-by-side information and servo tracks |
US4404599A (en) * | 1976-04-08 | 1983-09-13 | Victor Company Of Japan, Ltd. | Laser recording information and pilot signals for tracking on a grooveless recording |
GB1585546A (en) * | 1976-04-08 | 1981-03-04 | Victor Company Of Japan | Information signal recording system |
AT346089B (de) * | 1976-07-30 | 1978-10-25 | Philips Nv | Wiedergabegeraet |
JPS5326107A (en) * | 1976-08-24 | 1978-03-10 | Sony Corp | Tracking correcting apparatus |
JPS6032258B2 (ja) * | 1976-09-13 | 1985-07-26 | ソニー株式会社 | 自動トラツキング制御装置 |
JPS5335511A (en) * | 1976-09-13 | 1978-04-03 | Sony Corp | Recorder-reproducer for picture signal |
JPS6031009B2 (ja) * | 1976-12-02 | 1985-07-19 | ソニー株式会社 | 自動トラツキング装置 |
JPS5823998B2 (ja) * | 1977-03-08 | 1983-05-18 | 日本ビクター株式会社 | 情報信号記録方法 |
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 |
US4123773A (en) * | 1977-03-14 | 1978-10-31 | Basf Aktiengesellschaft | Servo arrangement for the recording tape drive in broadband signal reproducing systems |
NL7702815A (nl) * | 1977-03-16 | 1978-09-19 | Philips Nv | Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze. |
JPS5436709A (en) * | 1977-08-26 | 1979-03-17 | Sony Corp | Position control circuit for rotary magnetic head |
US4141047A (en) * | 1977-09-12 | 1979-02-20 | Sony Corporation | Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks |
NL7801318A (nl) * | 1978-02-06 | 1979-08-08 | Philips Nv | Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze. |
US4318142A (en) * | 1978-03-23 | 1982-03-02 | Ampex Corporation | Automatically compensated movable head servo circuit and method |
JPS54138324A (en) * | 1978-04-19 | 1979-10-26 | Sony Corp | Magnetic recording and reproducing unit |
NL7808639A (nl) * | 1978-08-22 | 1980-02-26 | Philips Nv | Werkwijze voor het positioneren van weergeefelementen en een inrichting voor het uitvoeren van de werkwijze. |
NL7812286A (nl) * | 1978-12-19 | 1980-06-23 | Philips Nv | Werkwijze voor het lezen en/of schrijven van informatie en een inrichting voor het uitvoeren van de werkwijze. |
FR2459532B1 (fr) * | 1979-06-18 | 1987-07-31 | Quadrivium Tech Avancees | Procede pour associer une information auxiliaire a une information principale enregistree et application au controle de la reproduction d'information enregistree |
NL7904885A (nl) * | 1979-06-22 | 1980-12-24 | Philips Nv | Inrichting voor het uitlezen van informatie. |
SU830917A1 (ru) * | 1979-08-16 | 1983-02-07 | Предприятие П/Я Р-6707 | Блок вращающихс магнитных головок |
JPS5683836A (en) * | 1979-12-10 | 1981-07-08 | Victor Co Of Japan Ltd | Magnetic recording and reproducing device |
JPS5753823A (en) * | 1980-09-17 | 1982-03-31 | Matsushita Electric Ind Co Ltd | Tracking control system |
US4414586A (en) * | 1980-10-07 | 1983-11-08 | Victor Company Of Japan, Ltd. | Pilot signal recording and reproducing system |
AT368822B (de) * | 1981-03-25 | 1982-11-10 | Philips Nv | Wiedergabegeraet |
US4432026A (en) * | 1981-08-10 | 1984-02-14 | Ampex Corporation | Apparatus and method for determining read head position |
JPS5835769A (ja) * | 1981-08-24 | 1983-03-02 | Hitachi Ltd | 磁気デイスク装置 |
JPS58147847A (ja) * | 1982-02-26 | 1983-09-02 | Olympus Optical Co Ltd | トラツキング情報検出装置 |
JPS58150162A (ja) * | 1982-03-03 | 1983-09-06 | Hitachi Ltd | 磁気記録再生装置 |
CA1210147A (en) * | 1982-03-18 | 1986-08-19 | Hiroshi Yoshioka | Tracking controlling apparatus |
JPS58194480A (ja) * | 1982-05-07 | 1983-11-12 | Matsushita Electric Ind Co Ltd | 磁気録画再生装置 |
US4613912A (en) * | 1982-09-10 | 1986-09-23 | Hitachi, Ltd. | Recording and reproducing apparatus for a video tape recorder |
JPS59110062A (ja) * | 1982-12-13 | 1984-06-25 | Canon Inc | 情報信号記録再生装置 |
US4604656A (en) * | 1983-03-11 | 1986-08-05 | Mitsubishi Denki Kabushiki Kaisha | Tape stop position detecting apparatus and magnetic video reproducing apparatus using the same |
EP0125051B1 (en) * | 1983-04-12 | 1989-01-04 | Victor Company Of Japan, Limited | Recording and/or reproducing apparatus with tracking servo-mechanism responsive to fm crosstalk components |
US4680648A (en) * | 1983-10-24 | 1987-07-14 | Canon Kabushiki Kaisha | Information signal reproducing apparatus |
JPS60140554A (ja) * | 1983-12-28 | 1985-07-25 | Canon Inc | ビデオ信号再生装置 |
US4587581A (en) * | 1985-01-07 | 1986-05-06 | Datatape, Inc. | Magnetic tape tracking control apparatus |
JPH0630193B2 (ja) * | 1986-01-24 | 1994-04-20 | 株式会社日立製作所 | 磁気録画再生装置 |
US5280399A (en) * | 1988-10-25 | 1994-01-18 | Canon Kabushiki Kaisha | Video signal recording apparatus |
US5933290A (en) * | 1995-11-21 | 1999-08-03 | Onstream Inc. | Recording an information signal on a record carrier provided with tracking signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL288467A (xx) * | 1962-02-05 | |||
BE640044A (xx) * | 1962-11-30 | 1964-03-16 | ||
JPS5620622B2 (xx) * | 1972-12-14 | 1981-05-14 |
-
1975
- 1975-07-09 CA CA231,141A patent/CA1067997A/en not_active Expired
- 1975-07-09 DE DE2530482A patent/DE2530482C2/de not_active Expired
- 1975-07-11 DK DK316875AA patent/DK142516B/da not_active IP Right Cessation
- 1975-07-11 SE SE7507961A patent/SE409921B/xx not_active IP Right Cessation
- 1975-07-11 SE SE7507961D patent/SE7507961L/xx not_active Application Discontinuation
- 1975-07-11 IT IT25355/75A patent/IT1039244B/it active
- 1975-07-11 GB GB29222/75A patent/GB1518822A/en not_active Expired
- 1975-07-11 FR FR7521886A patent/FR2279191A1/fr active Granted
- 1975-07-12 ES ES439357A patent/ES439357A1/es not_active Expired
- 1975-07-14 CH CH919775A patent/CH607211A5/xx not_active IP Right Cessation
- 1975-07-14 BE BE158279A patent/BE831344A/xx not_active IP Right Cessation
- 1975-07-14 JP JP50086110A patent/JPS5134707A/ja active Pending
- 1975-07-14 AT AT540675A patent/AT344798B/de not_active IP Right Cessation
-
1977
- 1977-03-04 US US05/774,523 patent/US4056832A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2530482C2 (de) | 1984-11-15 |
AT344798B (de) | 1978-08-10 |
FR2279191B1 (xx) | 1980-04-30 |
US4056832A (en) | 1977-11-01 |
BE831344A (fr) | 1976-01-14 |
IT1039244B (it) | 1979-12-10 |
DE2530482A1 (de) | 1976-01-29 |
GB1518822A (en) | 1978-07-26 |
CA1067997A (en) | 1979-12-11 |
FR2279191A1 (fr) | 1976-02-13 |
CH607211A5 (xx) | 1978-11-30 |
DK142516B (da) | 1980-11-10 |
ATA540675A (de) | 1977-12-15 |
DK142516C (xx) | 1981-06-29 |
SE7507961L (sv) | 1976-01-16 |
JPS5134707A (xx) | 1976-03-24 |
DK316875A (xx) | 1976-01-16 |
ES439357A1 (es) | 1977-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7507961-6 Effective date: 19920210 |