Reproducing method and apparatus using absolute time data

Details Reproducing method and apparatus using absolute time data Reproducing method and apparatus using absolute time data

1996-04-09

1998-04-07

Huber, Paul W.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 50, G11B 1722

Patent

active

057372837

ABSTRACT:
An apparatus for reproducing information from a disc-shaped record medium, which comprises an optical reading head for reading a program information signal and absolute time data from an optical disc, a reading position driving portion for moving a reading position set by the optical reading head on the optical disc, an information reproducing portion for obtaining a reproduced program information signal and reproduced absolute time data based on outputs from the optical reading head, a memory portion for storing the reproduced absolute time data, a reference time data supplying portion for supplying reference time data corresponding to the absolute time data, a data comparing portion for comparing the reproduced absolute time data read from the memory portion with the reference time data supplied from the reference time data supplying portion, a control signal producing portion for forming a reading position control signal in response to a comparison output from the data comparing portion, and a reading position control portion for controlling in response to the reading position control signal the reading position driving portion so as to cause the reading position set by the optical reading head on the optical disc to reach a position corresponding to the reference time data.

REFERENCES:
patent: 5406537 (1995-04-01), Lee

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