JPH0568003B2 - - Google Patents
Info
- Publication number
- JPH0568003B2 JPH0568003B2 JP56204236A JP20423681A JPH0568003B2 JP H0568003 B2 JPH0568003 B2 JP H0568003B2 JP 56204236 A JP56204236 A JP 56204236A JP 20423681 A JP20423681 A JP 20423681A JP H0568003 B2 JPH0568003 B2 JP H0568003B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- output
- oscillation circuit
- sawtooth wave
- circuit
- 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 - Lifetime
Links
- 230000010355 oscillation Effects 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- Control Of Position Or Direction (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20423681A JPS58105426A (ja) | 1981-12-17 | 1981-12-17 | 圧電素子の駆動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20423681A JPS58105426A (ja) | 1981-12-17 | 1981-12-17 | 圧電素子の駆動装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58105426A JPS58105426A (ja) | 1983-06-23 |
| JPH0568003B2 true JPH0568003B2 (US06262066-20010717-C00315.png) | 1993-09-28 |
Family
ID=16487097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20423681A Granted JPS58105426A (ja) | 1981-12-17 | 1981-12-17 | 圧電素子の駆動装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105426A (US06262066-20010717-C00315.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0344816A (ja) * | 1989-07-11 | 1991-02-26 | Mitsubishi Electric Corp | トラッキング装置 |
| CN110752769B (zh) | 2019-11-13 | 2020-09-15 | 西安交通大学 | 采用对称锯齿波驱动的双向惯性型压电作动器及作动方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54156614A (en) * | 1978-05-29 | 1979-12-10 | Philips Nv | Positioning piezooelectric element controller |
| JPS5661030A (en) * | 1979-10-25 | 1981-05-26 | Sony Corp | Magnetic recording and reproducing device |
-
1981
- 1981-12-17 JP JP20423681A patent/JPS58105426A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54156614A (en) * | 1978-05-29 | 1979-12-10 | Philips Nv | Positioning piezooelectric element controller |
| JPS5661030A (en) * | 1979-10-25 | 1981-05-26 | Sony Corp | Magnetic recording and reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58105426A (ja) | 1983-06-23 |
