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Class Information
Number: 720/668
Name: Dynamic optical information storage or retrieval > Dynamic mechanism optical subsystem > Having power driven optical transducer assembly > Single optical transducer plays both sides of disc record
Description: Subject matter comprising a single optical transducer assembly capable of accessing both sides of an optical storage medium so as to enable both sides of the optical storage medium to be recorded on or reproduced by the single optical transducer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7424728 |
Double-sided recording/reproducing disk drive |
Sep. 9, 2008 |
| 5978347 |
Optical pickup apparatus |
Nov. 2, 1999 |
| 5923638 |
Disk reproducing apparatus having an auto-changer |
Jul. 13, 1999 |
| 5682373 |
Optical pickup device |
Oct. 28, 1997 |
| 5596563 |
Both-sides playing optical disc player |
Jan. 21, 1997 |
| 5506830 |
Disk player |
Apr. 9, 1996 |
| 5434843 |
Pickup turnover apparatus of a disk player |
Jul. 18, 1995 |
| 5331624 |
Pickup feed mechanism |
Jul. 19, 1994 |
| 5311497 |
Pickup feeding apparatus for a double-sided reproducing disc player |
May. 10, 1994 |
| 5214634 |
Optical disc apparatus for recording and reproducing signals on both surfaces of a disk with a single optical pickup |
May. 25, 1993 |
| 5172370 |
Disk reproducing apparatus equipped with a pickup device capable of reading both sides of a disk |
Dec. 15, 1992 |
| 5119354 |
Disk reproducing apparatus |
Jun. 2, 1992 |
| 5105418 |
Disk drive with means to play either side of a disk |
Apr. 14, 1992 |
| 5097465 |
Double-side playing optical disk player |
Mar. 17, 1992 |
| 5090000 |
Height adjusting device for a pickup |
Feb. 18, 1992 |
| 5081618 |
Double-sided reproducing disk player |
Jan. 14, 1992 |
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