Time conversion method of mini discs using multiple time tables

Details Time conversion method of mini discs using multiple time tables Time conversion method of mini discs using multiple time tables

1994-10-31

1996-10-22

Chan, Eddie P.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 41, G11B 700

Patent

active

055686257

ABSTRACT:
A method for converting position data of a mini disc into corresponding regenerating time data of a cluster and a sector in the mini disc system. The method having a first step of converting time by using a time table based on the cluster word and a second step of converting time by using a time table based on the sector byte. The first step further includes the steps of dividing the cluster word into the upper and lower bytes, respectively, creating a first time table corresponding to the upper byte of the cluster and a second time table corresponding to the lower byte of the cluster, and obtaining converted time corresponding to the upper and lower bytes of the cluster in the first and second time tables. The converted time, which is represented in predetermined time units, is generated by adding the converted time for each of the upper and lower bytes of the cluster, and the converted time for the sector byte.

REFERENCES:
patent: 5132947 (1992-07-01), Kameda et al.

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