Disc player having a plurality of reading means for reading info

Details Disc player having a plurality of reading means for reading info Disc player having a plurality of reading means for reading info

1995-11-21

1996-12-31

Hindi, Nabil

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 32, G11B 700

Patent

active

055901069

ABSTRACT:
A plurality of pickups are provided for reading information recorded on a disc. Each of the pickups is provided with a signal processing system and a control system. Each of the signal processing systems and control systems is controlled by a system controller such that, while one pickup is reading the information, another pickup is moved to a next information reading position and put in a standby state. As soon as the former pickup has completed the reading operation, the latter pickup gets out of standby state to be ready for reading the information at the above-mentioned position. The novel setup reduces seek time significantly.

REFERENCES:
patent: 5163035 (1992-11-01), Horikiri
patent: 5280462 (1994-01-01), Yokogawa
patent: 5347506 (1994-09-01), Matsudo et al.
patent: 5463604 (1995-10-01), Naito
patent: 5477517 (1995-12-01), Gehringer et al.
patent: 5497276 (1996-03-01), Kakuda

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