DE3414054C2 - Vorrichtung zum Steuern der Lage eines Videokopfes - Google Patents
Vorrichtung zum Steuern der Lage eines VideokopfesInfo
- Publication number
- DE3414054C2 DE3414054C2 DE3414054A DE3414054A DE3414054C2 DE 3414054 C2 DE3414054 C2 DE 3414054C2 DE 3414054 A DE3414054 A DE 3414054A DE 3414054 A DE3414054 A DE 3414054A DE 3414054 C2 DE3414054 C2 DE 3414054C2
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- frequency
- signal
- output
- receiving
- 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
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 29
- 238000010897 surface acoustic wave method Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/103—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on tapes
-
- 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)
- Feedback Control In General (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58066009A JPS59191126A (ja) | 1983-04-14 | 1983-04-14 | ビデオヘツドの位置制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3414054A1 DE3414054A1 (de) | 1985-02-14 |
| DE3414054C2 true DE3414054C2 (de) | 1987-01-08 |
Family
ID=13303513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3414054A Expired DE3414054C2 (de) | 1983-04-14 | 1984-04-13 | Vorrichtung zum Steuern der Lage eines Videokopfes |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4792715A (en) * | 1987-11-16 | 1988-12-20 | Barsky Michael F | Robot gripper control system using PVDF piezoelectric sensors |
| US4906840A (en) * | 1988-01-27 | 1990-03-06 | The Board Of Trustees Of Leland Stanford Jr., University | Integrated scanning tunneling microscope |
| JPH06105497B2 (ja) * | 1988-06-28 | 1994-12-21 | 松下電器産業株式会社 | 記録再生装置の電子編集装置 |
| DE69013263T2 (de) * | 1989-08-03 | 1995-06-08 | Asmo Co Ltd | Methode und Vorrichtung zur Steuerung eines Ultraschallmotors. |
| JPH087855B2 (ja) * | 1990-09-21 | 1996-01-29 | 日本ビクター株式会社 | 記録再生素子の位置検出方式 |
| US6448513B1 (en) * | 2001-02-02 | 2002-09-10 | Circuits & Systems Inc. | Electronic weighing apparatus utilizing surface acoustic waves |
| US10600438B2 (en) * | 2018-04-18 | 2020-03-24 | Seagate Technology Llc | Surface acoustic wave-based sensing and actuation of contamination |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848144A (en) * | 1973-04-11 | 1974-11-12 | Sperry Rand Corp | Acoustic delay surface wave motion transducer systems |
| US3883831A (en) * | 1973-09-27 | 1975-05-13 | Massachusetts Inst Technology | Surface wave devices |
| US3878477A (en) * | 1974-01-08 | 1975-04-15 | Hewlett Packard Co | Acoustic surface wave oscillator force-sensing devices |
| US4093885A (en) * | 1976-03-19 | 1978-06-06 | Ampex Corporation | Transducer assembly vibration sensor |
| US4080636A (en) * | 1976-03-19 | 1978-03-21 | Ampex Corporation | System for damping vibrations in a deflectable transducer |
| US4130813A (en) * | 1977-05-23 | 1978-12-19 | Raytheon Company | Surface wave device having enhanced reflectivity gratings |
| JPS55159681A (en) * | 1979-05-31 | 1980-12-11 | Sony Corp | Tracking unit for magnetic head |
| JPS56156924A (en) * | 1980-05-08 | 1981-12-03 | Sony Corp | Track following device |
| JPS5780880A (en) * | 1980-11-07 | 1982-05-20 | Sony Corp | Video signal reproducing device |
-
1983
- 1983-04-14 JP JP58066009A patent/JPS59191126A/ja active Granted
-
1984
- 1984-04-12 FR FR8405832A patent/FR2544532B1/fr not_active Expired
- 1984-04-12 US US06/599,293 patent/US4630135A/en not_active Expired - Lifetime
- 1984-04-13 GB GB08409726A patent/GB2138621B/en not_active Expired
- 1984-04-13 DE DE3414054A patent/DE3414054C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2138621B (en) | 1986-10-15 |
| US4630135A (en) | 1986-12-16 |
| FR2544532A1 (fr) | 1984-10-19 |
| FR2544532B1 (fr) | 1987-05-15 |
| JPS59191126A (ja) | 1984-10-30 |
| DE3414054A1 (de) | 1985-02-14 |
| GB2138621A (en) | 1984-10-24 |
| JPH0154774B2 (US20020033762A1-20020321-P00098.png) | 1989-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |