CH619315A5 - - Google Patents
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- Publication number
- CH619315A5 CH619315A5 CH929077A CH929077A CH619315A5 CH 619315 A5 CH619315 A5 CH 619315A5 CH 929077 A CH929077 A CH 929077A CH 929077 A CH929077 A CH 929077A CH 619315 A5 CH619315 A5 CH 619315A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- track
- tracks
- magnetic heads
- detection circuit
- 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
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Control Of Velocity Or Acceleration (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT567476A AT346089B (de) | 1976-07-30 | 1976-07-30 | Wiedergabegeraet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH619315A5 true CH619315A5 (pt) | 1980-09-15 |
Family
ID=3578421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH929077A CH619315A5 (pt) | 1976-07-30 | 1977-07-27 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4297731A (pt) |
| JP (1) | JPS5317311A (pt) |
| AT (1) | AT346089B (pt) |
| AU (1) | AU513808B2 (pt) |
| BE (1) | BE857279A (pt) |
| CA (1) | CA1116290A (pt) |
| CH (1) | CH619315A5 (pt) |
| DE (1) | DE2732293A1 (pt) |
| ES (1) | ES461122A1 (pt) |
| FR (1) | FR2360222A1 (pt) |
| GB (1) | GB1554975A (pt) |
| IT (1) | IT1077429B (pt) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54117627A (en) * | 1978-03-06 | 1979-09-12 | Sony Corp | Video signal reproducing device |
| JPS551724A (en) * | 1978-06-19 | 1980-01-08 | Sony Corp | Video signal reproducing unit |
| DE2838003C3 (de) * | 1978-08-31 | 1982-04-22 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Anordnung zur Einregelung der exakten Spurlage |
| AU539426B2 (en) * | 1979-03-15 | 1984-09-27 | Sony Corporation | Automatic head height control apparatus |
| JPS5683835A (en) * | 1979-12-07 | 1981-07-08 | Matsushita Electric Ind Co Ltd | Tracking device |
| JPS56101621A (en) * | 1980-01-17 | 1981-08-14 | Victor Co Of Japan Ltd | Tracking system of magnetic reproducing device |
| JPS572177A (en) * | 1980-06-04 | 1982-01-07 | Sony Corp | Reproducing device of video signal |
| JPS5990477A (ja) * | 1982-11-16 | 1984-05-24 | Sony Corp | ビデオ信号補正回路 |
| DE3435649A1 (de) * | 1984-09-28 | 1986-04-10 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Spurnachgesteuertes magnetbandgeraet mit querspuraufzeichnung |
| US4587581A (en) * | 1985-01-07 | 1986-05-06 | Datatape, Inc. | Magnetic tape tracking control apparatus |
| US5212603A (en) * | 1988-08-26 | 1993-05-18 | Canon Kabushiki Kaisha | Tracking control means for a multi-channel reproducing apparatus |
| DE69020057T2 (de) * | 1989-07-21 | 1996-02-01 | Matsushita Electric Ind Co Ltd | Spurfolgungsfehlerdetektionssystem. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172949A (en) * | 1965-03-09 | Magnetic recording and reproduction | ||
| GB1042646A (en) * | 1963-11-12 | 1966-09-14 | Nippon Victor Kabushikikaisha | Control system in a magnetic recording and reproducing apparatus |
| US3925816A (en) * | 1968-07-10 | 1975-12-09 | Sony Corp | Magnetic recording system with overlapping tracks of high and low frequency information |
| US3636252A (en) * | 1969-02-17 | 1972-01-18 | Ampex | Servo for video tape apparatus with editing capabilities |
| JPS5022190B1 (pt) * | 1969-08-27 | 1975-07-29 | ||
| JPS515569B1 (pt) * | 1970-05-23 | 1976-02-20 | ||
| US4012771A (en) * | 1974-02-05 | 1977-03-15 | Sony Corporation | Apparatus for recording and/or reproducing color video signals |
| US3919697A (en) * | 1974-06-26 | 1975-11-11 | Battelle Development Corp | Data record tracking using track identifying information in the gaps between recorded data groups |
| CA1067997A (en) * | 1974-07-15 | 1979-12-11 | Jacob De Boer | Servo system for controlling the position of a reading head |
| US4047231A (en) * | 1976-03-19 | 1977-09-06 | Ampex Corporation | High stability digital head servo for video recorders |
| US4120008A (en) * | 1976-10-05 | 1978-10-10 | Eastman Kodak Company | Overlap track servo for dynamic position correction in a rotary-head tape recorder |
-
1976
- 1976-07-30 AT AT567476A patent/AT346089B/de not_active IP Right Cessation
-
1977
- 1977-07-16 DE DE19772732293 patent/DE2732293A1/de not_active Withdrawn
- 1977-07-26 AU AU27315/77A patent/AU513808B2/en not_active Expired
- 1977-07-26 CA CA283,541A patent/CA1116290A/en not_active Expired
- 1977-07-27 CH CH929077A patent/CH619315A5/de not_active IP Right Cessation
- 1977-07-27 JP JP9022377A patent/JPS5317311A/ja active Pending
- 1977-07-27 GB GB31547/77A patent/GB1554975A/en not_active Expired
- 1977-07-27 IT IT26218/77A patent/IT1077429B/it active
- 1977-07-28 FR FR7723239A patent/FR2360222A1/fr not_active Withdrawn
- 1977-07-28 BE BE179747A patent/BE857279A/xx not_active IP Right Cessation
- 1977-07-28 ES ES461122A patent/ES461122A1/es not_active Expired
-
1979
- 1979-02-26 US US06/015,019 patent/US4297731A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATA567476A (de) | 1978-02-15 |
| CA1116290A (en) | 1982-01-12 |
| BE857279A (fr) | 1978-01-30 |
| JPS5317311A (en) | 1978-02-17 |
| IT1077429B (it) | 1985-05-04 |
| DE2732293A1 (de) | 1978-02-02 |
| US4297731A (en) | 1981-10-27 |
| GB1554975A (en) | 1979-10-31 |
| AU513808B2 (en) | 1981-01-08 |
| AT346089B (de) | 1978-10-25 |
| AU2731577A (en) | 1979-03-08 |
| FR2360222A1 (fr) | 1978-02-24 |
| ES461122A1 (es) | 1978-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |