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Class Information
Number: 369/44.14
Name: Dynamic information storage or retrieval > With servo positioning of transducer assembly over track combined with information signal processing > Optical servo system > Optical head servo system structure
Description: Subject matter including structural detail of the mechanisms for focussing or tracking.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619951 |
Optical pickup actuator and optical recording and/or reproducing apparatus |
Nov. 17, 2009 |
| 7613080 |
Optical pickup device and manufacturing method thereof |
Nov. 3, 2009 |
| 7606119 |
Objective lens actuator |
Oct. 20, 2009 |
| 7602564 |
Optical element holding apparatus |
Oct. 13, 2009 |
| RE40928 |
Optical pickup |
Oct. 6, 2009 |
| 7593294 |
Optical pickup |
Sep. 22, 2009 |
| 7586830 |
Magnetic recording medium and manufacturing method therefor |
Sep. 8, 2009 |
| 7576456 |
Linear actuator |
Aug. 18, 2009 |
| 7570546 |
Optical pick-up and optical disk device |
Aug. 4, 2009 |
| 7564745 |
Optical pickup and optical disk apparatus |
Jul. 21, 2009 |
| 7564746 |
Optical disk apparatus |
Jul. 21, 2009 |
| 7564753 |
Optical pickup |
Jul. 21, 2009 |
| 7561497 |
Optical pick-up actuator and method, and reproducing and/or recording apparatus with same |
Jul. 14, 2009 |
| 7558161 |
Integrated optical system and method of manufacturing the same and information recording and/or reproducing apparatus using the integrated optical system |
Jul. 7, 2009 |
| 7558163 |
Defect area management system and method for optical storage medium |
Jul. 7, 2009 |
| 7558182 |
Optical head and optical disc device provided therewith |
Jul. 7, 2009 |
| 7545708 |
Objective lens holder for an objective lens driving device capable of thinning an optical pickup unit |
Jun. 9, 2009 |
| 7545724 |
Optical pickup apparatus, optical element for optical pickup apparatus and producing method of optical element |
Jun. 9, 2009 |
| 7542383 |
Optical disc assemblies for performing assays |
Jun. 2, 2009 |
| 7526781 |
Optical disk apparatus with objective lens protective unit |
Apr. 28, 2009 |
| 7525882 |
Defect area management system and method for optical storage medium |
Apr. 28, 2009 |
| 7522483 |
Disc drive unit and disc recording and/or reproducing apparatus |
Apr. 21, 2009 |
| 7515362 |
Lens positioning systems and methods |
Apr. 7, 2009 |
| 7489601 |
Disk drive |
Feb. 10, 2009 |
| 7486594 |
Adjustable optical pickup actuator |
Feb. 3, 2009 |
| 7486452 |
Optical pickup for use in optical disk device and method of manufacturing the same |
Feb. 3, 2009 |
| 7486597 |
Pick-up angle adjustment mechanism for optical disk apparatus |
Feb. 3, 2009 |
| 7466635 |
Recording and/or reproducing apparatus with optical pickup actuator, and methods for same |
Dec. 16, 2008 |
| 7457057 |
Disk drive device and optical disk apparatus equipped with the same |
Nov. 25, 2008 |
| 7457061 |
Lens actuator |
Nov. 25, 2008 |
| 7450324 |
Mirrors drive device |
Nov. 11, 2008 |
| 7444047 |
Multiplexing optical system |
Oct. 28, 2008 |
| 7439476 |
Mirror angle control system |
Oct. 21, 2008 |
| 7428192 |
Optical pickup device and optical disk device using it |
Sep. 23, 2008 |
| 7420890 |
Objective lens actuator and optical disk apparatus |
Sep. 2, 2008 |
| 7420892 |
Optical head device, and optical recording/reproducing device |
Sep. 2, 2008 |
| 7421721 |
Pickup guiding structure for optical disk drive |
Sep. 2, 2008 |
| 7414927 |
Actuator of optical pick-up device |
Aug. 19, 2008 |
| 7411751 |
Optical pickup actuator |
Aug. 12, 2008 |
| 7411874 |
Recording and/or playback device |
Aug. 12, 2008 |
| 7408848 |
Objective lens actuator |
Aug. 5, 2008 |
| 7397732 |
Objective lens driving apparatus and optical disc apparatus |
Jul. 8, 2008 |
| 7391680 |
Optical pickup system and disk drive with the same |
Jun. 24, 2008 |
| 7388815 |
Wiring layout structure for optical head device |
Jun. 17, 2008 |
| RE40371 |
Optical disc recording/reproduction apparatus and method |
Jun. 10, 2008 |
| 7382696 |
Optical pick-up device |
Jun. 3, 2008 |
| 7372784 |
Optical head apparatus |
May. 13, 2008 |
| 7372785 |
Spherical aberration compensation actuator and optical pickup system |
May. 13, 2008 |
| 7369335 |
Optical pickup actuator |
May. 6, 2008 |
| 7366062 |
Optical head disk device |
Apr. 29, 2008 |
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