Track jump controller for optical disk recording

Details Track jump controller for optical disk recording Track jump controller for optical disk recording

1995-05-31

1996-12-31

Epps, Georgia Y.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4428, G11B 1722

Patent

active

055901018

ABSTRACT:
In an optical disk apparatus, an optical disk has clock blocks and rotates at a constant rotational speed. An optical head optically records data on the disk. Data to be recorded is written in a recording buffer memory at a constant bit rate. A recording control section reads out the data from the buffer memory while changing the bit rate for each clock block, and records the data on the disk with an almost constant recording wavelength. A pause track calculator sets a track next to a track defined by R<Nt as a pause track for performing timing adjustment by a pause track operation, with the number of data blocks per track being Nt and R being a constant determined by the capacity of the buffer memory. The pause track calculator notifies the control section of a pause track timing upon setting a track next to a track defined by R<Nt as a pause track.

REFERENCES:
patent: 4873679 (1989-10-01), Murai et al.

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