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Class Information
Number: 720/658
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem
Description: Subject matter under the ... including specifics of separate substructures of optical transducer assembly of recording or reproducing system.

Sub-classes under this class:

Class Number Class Name Patents
720/689 Chassis base supporting transducer carriage 25
720/659 Having power driven optical transducer assembly 56
720/695 Optical storage medium support (i.e., turntable or spindle motor) 64
720/671 Protecting optical transducer 49
720/672 Transducer carriage or actuator 49

Patents under this class:

Patent Number Title Of Patent Date Issued
8589964 Cooling arrangement for an optical pick-up Nov. 19, 2013
8248890 Thermally-assisted head including surface-plasmon resonant optical system Aug. 21, 2012
8225339 Rotary head data storage and retrieval system and method Jul. 17, 2012
8069455 Optical disk apparatus Nov. 29, 2011
7934226 Optical pickup apparatus Apr. 26, 2011
7818760 Data writing with plasmon resonator Oct. 19, 2010
7690009 Electromagnetic field generating element, information recording/reproducing head and information recording/reproduction apparatus Mar. 30, 2010
7665101 Optical pickup apparatus Feb. 16, 2010
7500255 Data writing with plasmon resonator Mar. 3, 2009
7496938 Media drive with a luminescence detector and methods of detecting an authentic article Feb. 24, 2009
7461389 Adaptor member for a disc drive Dec. 2, 2008
7437743 Optical disk drive Oct. 14, 2008
7411793 Optical disk device Aug. 12, 2008
7394731 Information playback apparatus Jul. 1, 2008
7395543 Disc chucking apparatus and disc player having the same Jul. 1, 2008
7391608 Disk drive fastening mechanism Jun. 24, 2008
7342870 Position adjustment apparatus, optical pickup apparatus and position adjustment method Mar. 11, 2008
7315452 Optical disk device Jan. 1, 2008
7296280 Step movement mechanism Nov. 13, 2007
7272079 Transducer for heat assisted magnetic recording Sep. 18, 2007
7257828 Optical head device Aug. 14, 2007
7242644 Optical disk drive, and a method of assembling it Jul. 10, 2007
7210152 Optical head and optical recording medium drive Apr. 24, 2007
7168081 Domain stabilized magneto-optic head Jan. 23, 2007
6686597 Substrate rotating device, and manufacturing method and apparatus of recording medium master Feb. 3, 2004
6445650 High-speed dynamic actuating system for optical disks Sep. 3, 2002
5920539 Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor Jul. 6, 1999
5682373 Optical pickup device Oct. 28, 1997
5617404 Magneto-optic disk apparatus provided with a holder having a claw catching and bending an elastic member Apr. 1, 1997
5107484 Arrangement of recording/reproducing apparatus Apr. 21, 1992

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