Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1994-04-05
1996-01-09
Epps, Georgia Y.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369116, 369 4432, G11B 700
Patent
active
054835127
ABSTRACT:
A device for recording information on a recordable optical disk includes: an optical pickup provided with laser unit for emitting and irradiating a laser beam onto the optical disk; radial tilt detecting unit for detecting tilt quantity of the optical disk in a radial direction thereof; tangential tilt detecting unit for detecting tilt quantity of the optical disk in a tangential direction thereof; radial tilt correcting mechanism for moving the pickup on the basis of the radial tilt quantity to correct the radial tilt; and tangential tilt correcting unit for controlling the power of the laser beam on the basis of the tangential tilt quantity.
REFERENCES:
patent: 5181194 (1993-01-01), Horie
patent: 5351225 (1994-09-01), Ishida et al.
patent: 5412640 (1995-05-01), Fuldner et al.
Epps Georgia Y.
Huber P. W.
Pioneer Electronic Corporation
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