G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/00 (2006.01) G11B 7/0037 (2006.01) G11B 7/09 (2006.01) G11B 7/125 (2006.01) G11B 11/105 (2006.01) G11B 19/04 (2006.01) G11B 19/28 (2006.01) G11B 27/36 (2006.01) G11B 33/10 (2006.01)
Patent
CA 2046697
TU9-90-006 CALIBRATING OPTICAL DISK RECORDERS TO SOME PARAMETERS DURING DISK SPIN UP WHILE DEFERRING CALIBRATION OF OTHER PARAMETERS ABSTRACT OF THE DISCLOSURE This disclosure deals with an optical disk recorder/player (drive) of the type that receives a removable disk for signal exchanging operations. Once a disk is inserted into the drive, the rotation of the disk begins a period of accelerating rotational speed called spin up. During spin up, the focus and tracking systems of the drive are calibrated. Once the disks reach a desired operating rotational speed, a menu is provided for determining when to calibrate a laser in the drive for recording operations. Such writing or recording calibration of the laser occurs at different times in accordance with the types of signal processing functions to be performed with respect to the particular disk. Description includes a media library in which a plurality of optical disk drives are controlled in a manner for minimizing access times to any optical disk within the media library.
Baca Francisco Antonio
Fennema Alan August
Hancock Reed Alan
Jaquette Glen Alan
Tipton Lawrence David
International Business Machines Corporation
Na
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