NL7903691A - Videobandapparaat. - Google Patents
Videobandapparaat. Download PDFInfo
- Publication number
- NL7903691A NL7903691A NL7903691A NL7903691A NL7903691A NL 7903691 A NL7903691 A NL 7903691A NL 7903691 A NL7903691 A NL 7903691A NL 7903691 A NL7903691 A NL 7903691A NL 7903691 A NL7903691 A NL 7903691A
- Authority
- NL
- Netherlands
- Prior art keywords
- signal
- oscillation signal
- head
- support member
- during
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims description 93
- 239000000919 ceramic Substances 0.000 claims description 62
- 230000003247 decreasing effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 13
- 230000009257 reactivity Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102000011782 Keratins Human genes 0.000 description 1
- 108010076876 Keratins Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing Methods 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
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792918259 DE2918259A1 (de) | 1979-05-07 | 1979-05-07 | Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders |
| FR7911792A FR2456365A1 (fr) | 1979-05-07 | 1979-05-09 | Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes |
| NL7903691A NL7903691A (nl) | 1979-05-07 | 1979-05-10 | Videobandapparaat. |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792918259 DE2918259A1 (de) | 1979-05-07 | 1979-05-07 | Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders |
| DE2918259 | 1979-05-07 | ||
| FR7911792 | 1979-05-09 | ||
| FR7911792A FR2456365A1 (fr) | 1979-05-07 | 1979-05-09 | Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes |
| NL7903691 | 1979-05-10 | ||
| NL7903691A NL7903691A (nl) | 1979-05-07 | 1979-05-10 | Videobandapparaat. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7903691A true NL7903691A (nl) | 1980-11-12 |
Family
ID=27188019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7903691A NL7903691A (nl) | 1979-05-07 | 1979-05-10 | Videobandapparaat. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2918259A1 (enrdf_load_html_response) |
| FR (1) | FR2456365A1 (enrdf_load_html_response) |
| NL (1) | NL7903691A (enrdf_load_html_response) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB879824A (en) * | 1959-12-22 | 1961-10-11 | Gen Ultrasonics Company | Autopolarization of electrostrictive transducers |
| JPS6059787B2 (ja) * | 1975-10-14 | 1985-12-26 | ソニー株式会社 | 映像信号再生装置 |
| US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
| US4151570A (en) * | 1976-03-22 | 1979-04-24 | Ampex Corporation | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
| GB1560023A (en) * | 1976-10-05 | 1980-01-30 | Sony Corp | Automatic magnetic-head scan tracking arrangements |
| JPS5378716A (en) * | 1976-12-23 | 1978-07-12 | Sony Corp | Magnetic picture recorder/reproducer |
| JPS54127306A (en) * | 1978-03-27 | 1979-10-03 | Sony Corp | Tape recorder |
| NL7805804A (nl) * | 1978-05-29 | 1979-12-03 | Philips Nv | Inrichting voor het aanleggen van een stuurspanning over een pieezo-elektrisch positioneringselement. |
-
1979
- 1979-05-07 DE DE19792918259 patent/DE2918259A1/de active Granted
- 1979-05-09 FR FR7911792A patent/FR2456365A1/fr active Granted
- 1979-05-10 NL NL7903691A patent/NL7903691A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2456365B1 (enrdf_load_html_response) | 1984-02-10 |
| DE2918259A1 (de) | 1980-11-20 |
| DE2918259C2 (enrdf_load_html_response) | 1988-12-08 |
| FR2456365A1 (fr) | 1980-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |