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Class Information
Number: 720/681
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Transducer carriage or actuator > Adjustable objective lens support
Description: Subject matter including details of the assembly that directly supports the objective lens of the optical transducer, thereby permitting adjustment of the objective lens independent from the remainder of the optical transducer assembly.










Sub-classes under this class:

Class Number Class Name Patents
720/686 Circular leaf spring 10
720/682 Linear leaf springs 42


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8687475 Optical pickup device, optical pickup unit and data streamer apparatus Apr. 1, 2014
8645979 Optical pickup Feb. 4, 2014
8605558 Optical pickup assemblies and drive systems with the same Dec. 10, 2013
8589966 Optical pickup Nov. 19, 2013
8422351 Optical disk apparatus and driving method thereof Apr. 16, 2013
8424030 Optical pickup device and laser welding structure of optical components Apr. 16, 2013
8407730 Objective lens actuator for enabling to reduce the dynamic tilt between optical disc and objective lens Mar. 26, 2013
8291442 Electromagnetic actuator of optical pickup head Oct. 16, 2012
8289828 Optical data recording/reproduction apparatus Oct. 16, 2012
8171506 Optical-system driving device effecting switchover between objective lenses for achieving focal spots May. 1, 2012
8141110 Light-source holder and optical pickup having same Mar. 20, 2012
8136131 Optical pickup and production method thereof Mar. 13, 2012
8117631 Pickup with asymmetrically arranged lens for accessing moving storage media and drive having the pickup Feb. 14, 2012
8104053 Optical pickup guide mechanism with edge rail portion Jan. 24, 2012
8098563 Objective lens actuator Jan. 17, 2012
8087038 Optical pickup having thermal expansion compensation Dec. 27, 2011
8042130 Optical driving device including a holder with a top face having a closed structure Oct. 18, 2011
7979872 Lens actuator, optical pickup device, and optical recording and reproducing apparatus Jul. 12, 2011
7975275 Object lens actuator and disc drive using the same Jul. 5, 2011
7940610 Optical head with adhesive relief portions May. 10, 2011
7903506 Optical pickup device Mar. 8, 2011
7814505 Objective-lens driving device utilizing tracking coils and focus coils arranged in series Oct. 12, 2010
7634783 Scanning device for optical discs Dec. 15, 2009
7631322 Magnetic circuit, optical pickup actuator, optical recording and/or reproducing apparatus, and methods therefor Dec. 8, 2009
7627877 Objective lens actuator and optical pickup unit employing the same Dec. 1, 2009
7577968 Optical pickup actuator, method of manufacturing the optical pickup actuator, and optical pickup employing the optical pickup actuator, and optical recording and/or reproducing apparatus emplo Aug. 18, 2009
7555760 Optical head Jun. 30, 2009
7552455 Objective lens with elastic support structure Jun. 23, 2009
7484229 Optical pickup and optical disk apparatus Jan. 27, 2009
7464389 Optical pickup actuator with a magnetic driver having focus, track and tilt coils Dec. 9, 2008
7461390 Optical pick up apparatus Dec. 2, 2008
7437746 Lens driving apparatus Oct. 14, 2008
7359293 Optical pickup device Apr. 15, 2008
7342870 Position adjustment apparatus, optical pickup apparatus and position adjustment method Mar. 11, 2008
7327644 Optical pickup and disc drive apparatus Feb. 5, 2008
7319564 Objective lens driving apparatus Jan. 15, 2008
7295388 Lens module Nov. 13, 2007
7287264 Objective lens drive apparatus with objective lens portion movable along support member axial direction Oct. 23, 2007
7242644 Optical disk drive, and a method of assembling it Jul. 10, 2007
7225452 Optical head May. 29, 2007
7210154 Optical pickup actuator with a magnetic driver having focus, track and tilt coils Apr. 24, 2007
7200849 Optical head and optical disc drive Apr. 3, 2007
7188348 Optical disc drive apparatus and method Mar. 6, 2007
7136331 Disk drive Nov. 14, 2006
7131128 Optical actuator Oct. 31, 2006
7039926 Optical disk apparatus with fine tracking mechanism May. 2, 2006
6996037 Pickup head actuator Feb. 7, 2006
6845510 Objective lens driving device with cover having an opening for exposing a tracking coil Jan. 18, 2005
6839899 Optical element driving device having two permanent magnets and one magnetic substance Jan. 4, 2005
6817024 Method of fixing a laser diode to an optical base and optical pickup using the optical base Nov. 9, 2004

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