Reproduction and/or recording device for optical recording media

Details Reproduction and/or recording device for optical recording media Reproduction and/or recording device for optical recording media

1996-07-25

1998-09-01

Hindi, Nabil

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 4442, 369 4429, G11B 700

Patent

active

058020292

ABSTRACT:
A reproduction and/or recording device for optical recording media which is compatible in respect of varying storage density, despite an interdependence between pit or domain size, and the light spot size. Use is made of a track guidance signal generation device which can be changed over according to the storage density type and is connected to a detector which can be used for recording media of varying storage density, i.e. in the form of the standardized CD, minidisk or MOD, and for optical recording media, which have a comparatively higher information storage density, or smaller track spacings and smaller dimensions of the pits or storage structures.

REFERENCES:
patent: 5097464 (1992-03-01), Nishiuchi et al.
patent: 5210730 (1993-05-01), Hayashi et al.
patent: 5367512 (1994-11-01), Satou et al.
patent: 5446565 (1995-08-01), Komma et al.
patent: 5633853 (1997-05-01), Kim et al.

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