NL8006870A - Inrichting voor het in de lengterichting verplaatsen van een rotatiemotor en videoplaatafleesinrichting die een dergelijke inrichting bevat. - Google Patents
Inrichting voor het in de lengterichting verplaatsen van een rotatiemotor en videoplaatafleesinrichting die een dergelijke inrichting bevat. Download PDFInfo
- Publication number
- NL8006870A NL8006870A NL8006870A NL8006870A NL8006870A NL 8006870 A NL8006870 A NL 8006870A NL 8006870 A NL8006870 A NL 8006870A NL 8006870 A NL8006870 A NL 8006870A NL 8006870 A NL8006870 A NL 8006870A
- Authority
- NL
- Netherlands
- Prior art keywords
- electromagnets
- movable device
- motor
- reading
- disc
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
Landscapes
- Moving Of Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931486 | 1979-12-21 | ||
| FR7931486A FR2472298A1 (fr) | 1979-12-21 | 1979-12-21 | Dispositif permettant de deplacer longitudinalement un moteur de rotation, et lecteur de video-disque comprenant un tel dispositif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8006870A true NL8006870A (nl) | 1981-07-16 |
Family
ID=9233094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8006870A NL8006870A (nl) | 1979-12-21 | 1980-12-18 | Inrichting voor het in de lengterichting verplaatsen van een rotatiemotor en videoplaatafleesinrichting die een dergelijke inrichting bevat. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4381556A (https=) |
| DE (1) | DE3047880A1 (https=) |
| FR (1) | FR2472298A1 (https=) |
| NL (1) | NL8006870A (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186237A (en) * | 1981-05-12 | 1982-11-16 | Pioneer Video Corp | Crosstalk eliminating device for recorded information reproducing device |
| US4394667A (en) * | 1982-03-26 | 1983-07-19 | Xerox Corporation | Radial access drive for an optical disk recorder |
| NL8300133A (nl) * | 1983-01-14 | 1984-08-01 | Philips Nv | Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie. |
| US4553230A (en) * | 1984-08-20 | 1985-11-12 | Paulson Rollie W | Vibration free turntable apparatus |
| US5319622A (en) * | 1990-02-09 | 1994-06-07 | Ast Research, Inc. | Control and information disk for disk recording system |
| FR2723243B1 (fr) * | 1994-07-26 | 1996-09-06 | Thomson Csf | Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation |
| FR2786345B1 (fr) | 1998-11-24 | 2001-02-09 | Thomson Csf | Dispositif de cryptage quantique |
| US7149173B2 (en) * | 2000-10-17 | 2006-12-12 | Thales | Medium for recording optically readable data, method for making same and optical system reproducing said data |
| FR2824905B1 (fr) * | 2001-05-15 | 2003-08-29 | Thomson Csf | Gyrometre a fibre optique |
| US7587766B2 (en) * | 2004-11-18 | 2009-09-08 | Starz Entertainment Group Llc | Flexible digital content licensing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1212692A (en) * | 1914-03-06 | 1917-01-16 | Albert Ruckgaber | Speed-regulator for phonographs. |
| US3138669A (en) * | 1961-06-06 | 1964-06-23 | Rabinow Jacob | Record player using light transducer and servo |
| US3391255A (en) * | 1962-05-16 | 1968-07-02 | Minnesota Mining & Mfg | Transducing system |
| GB1413142A (en) * | 1972-04-19 | 1975-11-05 | Rca Corp | Speed control system for video disc drives |
| FR2222718B1 (https=) * | 1973-03-19 | 1977-02-11 | Thomson Brandt |
-
1979
- 1979-12-21 FR FR7931486A patent/FR2472298A1/fr active Granted
-
1980
- 1980-12-03 US US06/212,549 patent/US4381556A/en not_active Expired - Lifetime
- 1980-12-18 DE DE19803047880 patent/DE3047880A1/de not_active Withdrawn
- 1980-12-18 NL NL8006870A patent/NL8006870A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2472298B1 (https=) | 1982-10-22 |
| DE3047880A1 (de) | 1981-09-17 |
| FR2472298A1 (fr) | 1981-06-26 |
| US4381556A (en) | 1983-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL8006870A (nl) | Inrichting voor het in de lengterichting verplaatsen van een rotatiemotor en videoplaatafleesinrichting die een dergelijke inrichting bevat. | |
| US4942562A (en) | Pickup actuator for disk-type media | |
| NL191695C (nl) | Schijfgeheugeninrichting. | |
| NL192640C (nl) | Inrichting voor het besturen van een objectieflens ten gebruike bij een stelsel voor het lezen van optische informatie. | |
| US4797866A (en) | Optical recording/reproducing apparatus | |
| JPH09128759A (ja) | 光ディスクドライブのトラック偏差補正方法及びその装置 | |
| JP3070427B2 (ja) | 自走式直線運動駆動装置 | |
| NL8301430A (nl) | Aandrijfinrichting voor een objectieflens. | |
| JPS6223377B2 (https=) | ||
| US4555780A (en) | Optical recording and playback unit | |
| US5195074A (en) | Rotatable read/write optical head apparatus | |
| US4185836A (en) | Disc record player | |
| AU613094B2 (en) | Control apparatus for a liner motor for driving a pickup | |
| GB2024456A (en) | Linear drive motor control system | |
| KR920003275A (ko) | 자기-광학 정보 캐리어 기록 및 판독장치 | |
| US5083302A (en) | Optical tracking servo apparatus | |
| HUP0201363A2 (en) | Optical scanning device comprising an actuator for a displaceable collimator lens | |
| JPH02285541A (ja) | 磁気―光学情報キャリヤの書込および/または読出装置 | |
| KR100819939B1 (ko) | 틸트가능한 렌즈계를 구비한 광학주사장치 및 광학 재생장치 | |
| JP2766286B2 (ja) | リニアアクチュエータ | |
| JP3257655B2 (ja) | 光学的情報記録再生装置 | |
| JP2004508649A (ja) | 磁気的に案内されるリニアモーターを含む走査装置 | |
| JPH09320061A (ja) | ヘッドの速度制御装置 | |
| JP2725489B2 (ja) | トラックアクセス制御装置および光ディスク装置 | |
| JP4062885B2 (ja) | ステージの送り装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |