DE68916861T2 - Objektivlinsenantriebsgerät. - Google Patents
Objektivlinsenantriebsgerät.Info
- Publication number
- DE68916861T2 DE68916861T2 DE68916861T DE68916861T DE68916861T2 DE 68916861 T2 DE68916861 T2 DE 68916861T2 DE 68916861 T DE68916861 T DE 68916861T DE 68916861 T DE68916861 T DE 68916861T DE 68916861 T2 DE68916861 T2 DE 68916861T2
- Authority
- DE
- Germany
- Prior art keywords
- objective lens
- rotation
- movable
- lens drive
- axis
- 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
- 230000005484 gravity Effects 0.000 claims description 21
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 29
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
Classifications
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- 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
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988069064U JP2536436Y2 (ja) | 1988-05-25 | 1988-05-25 | 対物レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68916861D1 DE68916861D1 (de) | 1994-08-25 |
DE68916861T2 true DE68916861T2 (de) | 1994-12-22 |
Family
ID=13391768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68916861T Expired - Lifetime DE68916861T2 (de) | 1988-05-25 | 1989-05-25 | Objektivlinsenantriebsgerät. |
Country Status (6)
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
US6141300A (en) | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
US5134527A (en) * | 1990-04-25 | 1992-07-28 | Industrial Technology Research Institute | Suspension mechanism for an objective lens of an optical head |
NL9001492A (nl) * | 1990-06-29 | 1992-01-16 | Philips Nv | Electro-optische aftastinrichting, alsmede optische speler voorzien van de aftastinrichting. |
US5140470A (en) * | 1991-01-07 | 1992-08-18 | New Focus, Inc. | Optical mounting apparatus |
US5729511A (en) | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
US5808980A (en) | 1991-02-15 | 1998-09-15 | Discovision Associates | Seek actuator for optical recording |
US6069857A (en) | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
US5677899A (en) | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
JPH04313824A (ja) * | 1991-04-12 | 1992-11-05 | Pioneer Electron Corp | 光学式情報読取装置におけるレンズ駆動装置 |
JPH05205283A (ja) * | 1992-01-27 | 1993-08-13 | Sharp Corp | 光ピックアップの対物レンズ駆動装置 |
US6091684A (en) | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
US5920539A (en) | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
US5748578A (en) | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
JPH0954969A (ja) * | 1995-08-11 | 1997-02-25 | Minebea Co Ltd | 対物レンズ支持装置 |
US5757561A (en) | 1996-11-26 | 1998-05-26 | Newport Corporation | Precision optical mounts |
US6198580B1 (en) | 1998-08-17 | 2001-03-06 | Newport Corporation | Gimballed optical mount |
US6516130B1 (en) | 1998-12-30 | 2003-02-04 | Newport Corporation | Clip that aligns a fiber optic cable with a laser diode within a fiber optic module |
FR2790115B1 (fr) | 1999-02-23 | 2001-05-04 | Micro Controle | Procede et dispositif pour deplacer un mobile sur une base montee elastiquement par rapport au sol |
US6996506B2 (en) * | 1999-02-23 | 2006-02-07 | Newport Corporation | Process and device for displacing a moveable unit on a base |
US6511035B1 (en) | 1999-08-03 | 2003-01-28 | Newport Corporation | Active vibration isolation systems with nonlinear compensation to account for actuator saturation |
US6655840B2 (en) | 2001-02-13 | 2003-12-02 | Newport Corporation | Stiff cross roller bearing configuration |
US6601524B2 (en) | 2001-03-28 | 2003-08-05 | Newport Corporation | Translation table with a spring biased dovetail bearing |
US6791058B2 (en) | 2001-04-25 | 2004-09-14 | Newport Corporation | Automatic laser weld machine for assembling photonic components |
US6568666B2 (en) | 2001-06-13 | 2003-05-27 | Newport Corporation | Method for providing high vertical damping to pneumatic isolators during large amplitude disturbances of isolated payload |
US6619611B2 (en) | 2001-07-02 | 2003-09-16 | Newport Corporation | Pneumatic vibration isolator utilizing an elastomeric element for isolation and attenuation of horizontal vibration |
US6966535B2 (en) * | 2002-05-07 | 2005-11-22 | Newport Corporation | Snubber for pneumatically isolated platforms |
US8231098B2 (en) * | 2004-12-07 | 2012-07-31 | Newport Corporation | Methods and devices for active vibration damping of an optical structure |
US7570547B2 (en) * | 2005-08-22 | 2009-08-04 | Konica Minolta Opto, Inc. | Objective lens unit and optical pickup device |
WO2012117398A2 (en) * | 2011-03-03 | 2012-09-07 | Visionix Ltd. | Automatic lens mapping system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603688C3 (de) * | 1976-01-31 | 1978-10-26 | Ibm Deutschland Gmbh, 7000 Stuttgart | Anordnung zum Schwingungsausgleich |
US4206983A (en) * | 1978-08-25 | 1980-06-10 | Continental Camera Systems, Inc. | Camera stabilizing body mount |
JPS5850336A (ja) * | 1981-09-17 | 1983-03-24 | Matsushita Electric Ind Co Ltd | 可動体保持装置 |
JPS59104735A (ja) * | 1982-12-08 | 1984-06-16 | Sony Corp | 対物レンズ駆動装置 |
JPS59178631A (ja) * | 1983-03-29 | 1984-10-09 | Toshiba Corp | 光ピツクアツプ |
JPS60143330A (ja) * | 1983-12-29 | 1985-07-29 | Matsushita Electric Ind Co Ltd | 撮影装置 |
US4818066A (en) * | 1984-01-30 | 1989-04-04 | Canon Kabushiki Kaisha | Objective lens driving device |
JPS60187945A (ja) * | 1984-03-06 | 1985-09-25 | Seiko Instr & Electronics Ltd | 対物レンズ駆動装置 |
JPS61139946A (ja) * | 1984-12-11 | 1986-06-27 | Olympus Optical Co Ltd | 光ヘツド |
US4707754A (en) * | 1985-08-07 | 1987-11-17 | Apple Computer, Inc. | Voice coil balanced actuator |
JPH0668843B2 (ja) * | 1985-08-16 | 1994-08-31 | ソニー株式会社 | 光学ピツクアツプ装置 |
KR900006183B1 (ko) * | 1986-03-04 | 1990-08-25 | 상요 덴기 가부시기가이샤 | 광학식 픽업 장치 |
JPH0750526B2 (ja) * | 1986-03-15 | 1995-05-31 | ソニー株式会社 | デイスクプレ−ヤの光学ヘツド装置 |
JPS63149838A (ja) * | 1986-12-12 | 1988-06-22 | Hitachi Ltd | 対物レンズ駆動装置 |
JP2529876Y2 (ja) * | 1988-03-17 | 1997-03-19 | シャープ株式会社 | 対物レンズ支持装置 |
-
1988
- 1988-05-25 JP JP1988069064U patent/JP2536436Y2/ja not_active Expired - Lifetime
-
1989
- 1989-05-24 CA CA000600576A patent/CA1323696C/en not_active Expired - Fee Related
- 1989-05-24 US US07/356,136 patent/US4988165A/en not_active Expired - Lifetime
- 1989-05-25 KR KR8906990A patent/KR920005264B1/ko not_active IP Right Cessation
- 1989-05-25 DE DE68916861T patent/DE68916861T2/de not_active Expired - Lifetime
- 1989-05-25 EP EP89305286A patent/EP0343979B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR920005264B1 (en) | 1992-06-29 |
JP2536436Y2 (ja) | 1997-05-21 |
EP0343979B1 (en) | 1994-07-20 |
JPH01174716U (US08063081-20111122-C00044.png) | 1989-12-12 |
CA1323696C (en) | 1993-10-26 |
DE68916861D1 (de) | 1994-08-25 |
EP0343979A3 (en) | 1991-01-09 |
US4988165A (en) | 1991-01-29 |
KR900018928A (ko) | 1990-12-22 |
EP0343979A2 (en) | 1989-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |