JPS5478104A - Tracking correction apparatus of rotary magnetic head - Google Patents
Tracking correction apparatus of rotary magnetic headInfo
- Publication number
- JPS5478104A JPS5478104A JP14495077A JP14495077A JPS5478104A JP S5478104 A JPS5478104 A JP S5478104A JP 14495077 A JP14495077 A JP 14495077A JP 14495077 A JP14495077 A JP 14495077A JP S5478104 A JPS5478104 A JP S5478104A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- thru
- rotary magnetic
- mixer
- output
- 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
- 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
- G11B5/592—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 using bimorph elements supporting the heads
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
PURPOSE:To correct the deviations of tracking from straight line with high accuracy by controlling an electro-mechanical converting means by the output of the mechanism consisting of periodic signal outputting means, adjusting means and mixing means. CONSTITUTION:A tracking correction circuit 20 consisting of oscillators 221 thru 22n, phase shifters 231 thru 23n, gain control circuits 241 thru 24n, rotation detector 21 and mixer 24 is connected via driving circuit 17 to a bimorph plate 14 being an electro-mechanical converting means to support the head chip of a rotary magnetic head displaceable in the gap direction. As a result, the oscillators 221 thru 22n output a plurality of periodic signals according to the revolutions of the rotary magnetic head and these are subjected to adjustment of their phases and maximum amplitudes and gain controlling in the phase shifters 231 thru 23n, after which they are mixed in the mixer 25 and the bimorph plate 14 is driven by the output of the mixer 25. The deviations of the magnetic head from the recording tracks are highly accurately corrected without increasing the mechanical accuracy of the rotary magnetic head device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14495077A JPS5478104A (en) | 1977-12-05 | 1977-12-05 | Tracking correction apparatus of rotary magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14495077A JPS5478104A (en) | 1977-12-05 | 1977-12-05 | Tracking correction apparatus of rotary magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5478104A true JPS5478104A (en) | 1979-06-22 |
JPS6132728B2 JPS6132728B2 (en) | 1986-07-29 |
Family
ID=15373950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14495077A Granted JPS5478104A (en) | 1977-12-05 | 1977-12-05 | Tracking correction apparatus of rotary magnetic head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5478104A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60180321U (en) * | 1984-05-02 | 1985-11-30 | パイオニア株式会社 | Rotating head type recording/reproducing device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01288577A (en) * | 1988-05-17 | 1989-11-20 | Eisai Co Ltd | Automatic winding device for hose |
-
1977
- 1977-12-05 JP JP14495077A patent/JPS5478104A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60180321U (en) * | 1984-05-02 | 1985-11-30 | パイオニア株式会社 | Rotating head type recording/reproducing device |
JPH0426972Y2 (en) * | 1984-05-02 | 1992-06-29 |
Also Published As
Publication number | Publication date |
---|---|
JPS6132728B2 (en) | 1986-07-29 |
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