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Class Information
Number: 720/663
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Having power driven optical transducer assembly > Linear transducer assembly movement
Description: Subject matter wherein the movement of the optical transducer assembly is restricted to a straight path during recording or reproducing of the optical storage medium.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7525899 |
Device for traversing optical pickup of a disc drive |
Apr. 28, 2009 |
| 7260041 |
Disk drive |
Aug. 21, 2007 |
| 7218513 |
Disc drive carrier unit |
May. 15, 2007 |
| 7131130 |
Pickup mounting structure with pickup cable holder bridging periphery-ribbed opening |
Oct. 31, 2006 |
| 7124419 |
Feed screw driver and information recorder/reproducer |
Oct. 17, 2006 |
| 6983473 |
Optical pickup device and recording and/or reproducing device |
Jan. 3, 2006 |
| 6971114 |
Optical pickup device and recording and/or reproducing device |
Nov. 29, 2005 |
| 6968562 |
Recording and/or reproducing apparatus |
Nov. 22, 2005 |
| 6880163 |
Optical pickup device and recording and/or reproducing device |
Apr. 12, 2005 |
| 6859934 |
Scanning device comprising a magnetically guided linear motor |
Feb. 22, 2005 |
| 6829776 |
Engaging head for movement converting mechanism in optical disc drive |
Dec. 7, 2004 |
| 6772427 |
Motor securing structures and disc drive |
Aug. 3, 2004 |
| 6643249 |
Disc ejecting apparatus |
Nov. 4, 2003 |
| 6192023 |
Optical pick-up feeding device having a regulating member to adjust an orientation of a lead screw thereof |
Feb. 20, 2001 |
| 6188665 |
Compact optical disk device capable of driving various types of optical disks |
Feb. 13, 2001 |
| 6175545 |
Optical pickup apparatus |
Jan. 16, 2001 |
| 6067210 |
Movable carriage assembly supporting glad/write heads for a disk drive |
May. 23, 2000 |
| 6058098 |
Head driving device |
May. 2, 2000 |
| 6052358 |
Head feeding mechanism and optical pick-up feeding mechanism |
Apr. 18, 2000 |
| 6046974 |
Optical pickup transport mechanism |
Apr. 4, 2000 |
| 5831962 |
Optical pickup carrying system |
Nov. 3, 1998 |
| 5828501 |
Apparatus and method for positioning a lens to expand an optical beam of an imaging system |
Oct. 27, 1998 |
| 5621718 |
Compact disc playing mechanism having first and second operating positions |
Apr. 15, 1997 |
| 5532989 |
Seek actuator for optical recording |
Jul. 2, 1996 |
| 5517483 |
Gear assembly for transporting a rotation force of a motor shaft to a lead screw |
May. 14, 1996 |
| 5471453 |
Information recording-reproducing apparatus |
Nov. 28, 1995 |
| 5450386 |
Optical disk device including a support member for movably supporting an objective lens in focusing and radial directions with respect to an optical disk |
Sep. 12, 1995 |
| 5303223 |
Head carriage apparatus moved by a lead-screw shaft including resilient means for pressing the lead-screw shaft in a slanting direction toward the head carriage |
Apr. 12, 1994 |
| 5243591 |
Protecting a read/write head from damage |
Sep. 7, 1993 |
| 5229669 |
Compact linear motor drive unit |
Jul. 20, 1993 |
| 5175723 |
Direct drive mechanism for data pickup carriage with no direct attachment between motor and frame |
Dec. 29, 1992 |
| 5063557 |
Disc drive apparatus |
Nov. 5, 1991 |
| 5050157 |
Friction reducing piezoelectric feed guide mechanism |
Sep. 17, 1991 |
| 5023862 |
Apparatus for locking a pickup unit of a disc player for a vehicle |
Jun. 11, 1991 |
| 4935916 |
Apparatus for recording and reproducing information including energy storing means |
Jun. 19, 1990 |
| 4831615 |
Dual differential optical system moving apparatus |
May. 16, 1989 |
| 4827365 |
Assembly for accessing information recording medium |
May. 2, 1989 |
| 4825432 |
Frictionless moving device for an optical recording system in a high density spiral track-forming apparatus capable of resisting disturbing forces |
Apr. 25, 1989 |
| 4788677 |
Disk support mechanism in a player |
Nov. 29, 1988 |
| 4763314 |
Linear actuator for an optical disk storage apparatus |
Aug. 9, 1988 |
| 4748613 |
Disc recording apparatus provided with a mechanism for moving the head-carriage by means of a metallic belt |
May. 31, 1988 |
| 4713707 |
Tracking mount for a contactless recording and/or reproducing head |
Dec. 15, 1987 |
| 4706234 |
Head feed control apparatus |
Nov. 10, 1987 |
| 4613967 |
Disc player |
Sep. 23, 1986 |
| 4514837 |
Apparatus for optically reading and/or recording information |
Apr. 30, 1985 |
| 4481613 |
Optical disk apparatus |
Nov. 6, 1984 |
| 4139200 |
Apparatus for supporting a pickup arm on a disc player |
Feb. 13, 1979 |
| 4071854 |
Device for the stabilization of flexible discs and more particularly of videodiscs and reading apparatus adapted to this device |
Jan. 31, 1978 |
| 4067581 |
Stepper for slow motion disc recorder |
Jan. 10, 1978 |
| 4058834 |
System for making a light beam scan a flat carrier with autofocusing |
Nov. 15, 1977 |
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