GB2209237B - Head-carrier drum control system - Google Patents
Head-carrier drum control systemInfo
- Publication number
- GB2209237B GB2209237B GB8820305A GB8820305A GB2209237B GB 2209237 B GB2209237 B GB 2209237B GB 8820305 A GB8820305 A GB 8820305A GB 8820305 A GB8820305 A GB 8820305A GB 2209237 B GB2209237 B GB 2209237B
- Authority
- GB
- United Kingdom
- Prior art keywords
- head
- control system
- carrier drum
- drum control
- carrier
- 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 - Fee Related
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
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21329587A JPH0677295B2 (en) | 1987-08-27 | 1987-08-27 | Rotating drum controller |
JP21329687A JPH0636245B2 (en) | 1987-08-27 | 1987-08-27 | Rotating drum controller |
JP21329487A JPH0677294B2 (en) | 1987-08-27 | 1987-08-27 | Rotating drum controller |
JP21329787A JPS6455726A (en) | 1987-08-27 | 1987-08-27 | Rotary drum controller |
JP62218402A JP2529701B2 (en) | 1987-09-01 | 1987-09-01 | Rotating drum controller |
JP21840387A JPH0677296B2 (en) | 1987-09-01 | 1987-09-01 | Rotating drum controller |
JP21840487A JPH0677297B2 (en) | 1987-09-01 | 1987-09-01 | Rotating drum controller |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8820305D0 GB8820305D0 (en) | 1988-09-28 |
GB2209237A GB2209237A (en) | 1989-05-04 |
GB2209237B true GB2209237B (en) | 1991-06-26 |
Family
ID=27566573
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8820305A Expired - Fee Related GB2209237B (en) | 1987-08-27 | 1988-08-26 | Head-carrier drum control system |
GB8820306A Expired - Fee Related GB2209238B (en) | 1987-08-27 | 1988-08-26 | Head-carrier drum control apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8820306A Expired - Fee Related GB2209238B (en) | 1987-08-27 | 1988-08-26 | Head-carrier drum control apparatus |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE3829050A1 (en) |
GB (2) | GB2209237B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5313347A (en) * | 1990-01-12 | 1994-05-17 | Mitsubishi Denki Kabushiki Kaisha | Rotating magnetic head for a magnetic recording reproduction system |
US5166848A (en) * | 1990-10-03 | 1992-11-24 | Ampex Systems Corporation | Automatic scan tracking mechanism |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151569A (en) * | 1976-03-19 | 1979-04-24 | Ampex Corporation | Positionable transducer mounting structure using a piezoelectric bender element |
US4318142A (en) * | 1978-03-23 | 1982-03-02 | Ampex Corporation | Automatically compensated movable head servo circuit and method |
JPS5650329A (en) * | 1979-09-29 | 1981-05-07 | Toyo Shigyo Kk | Plate making method |
US4337492A (en) * | 1980-04-08 | 1982-06-29 | Minnesota Mining And Manufacturing Company | Head positioning transducer for helical scan video reproducer |
US4485414A (en) * | 1980-07-07 | 1984-11-27 | Ampex Corporation | Servo system for positioning a movable transducing head assembly |
US4451859A (en) * | 1982-04-02 | 1984-05-29 | Ampex Corporation | Magnetic video head position control |
JPS59229735A (en) * | 1983-06-10 | 1984-12-24 | Canon Inc | Automatic tracking device |
EP0145331A3 (en) * | 1983-11-15 | 1986-04-23 | Matsushita Electric Industrial Co., Ltd. | Rotary head deflection apparatus |
DE3722927A1 (en) * | 1986-07-16 | 1988-01-21 | Mitsubishi Electric Corp | HEAD DRUM ARRANGEMENT |
-
1988
- 1988-08-26 DE DE19883829050 patent/DE3829050A1/en active Granted
- 1988-08-26 GB GB8820305A patent/GB2209237B/en not_active Expired - Fee Related
- 1988-08-26 DE DE19883829040 patent/DE3829040A1/en active Granted
- 1988-08-26 GB GB8820306A patent/GB2209238B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2209237A (en) | 1989-05-04 |
GB8820305D0 (en) | 1988-09-28 |
GB2209238A (en) | 1989-05-04 |
GB8820306D0 (en) | 1988-09-28 |
DE3829050C2 (en) | 1993-01-14 |
DE3829040C2 (en) | 1991-01-17 |
DE3829040A1 (en) | 1989-03-16 |
DE3829050A1 (en) | 1989-03-16 |
GB2209238B (en) | 1991-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040826 |