Optical recording apparatus with two tracking error signals

Details Optical recording apparatus with two tracking error signals Optical recording apparatus with two tracking error signals

1993-04-19

1994-04-05

Young, W. R.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 44280, 369 44320, 369 43, 369 53, 369 54, 369126, G11B 7095

Patent

active

053011732

ABSTRACT:
When an information signal is recorded by irradiating a laser beam onto an optical recording disc, a carriage error signal corresponding to a deviation of an irradiating position of a carriage in the disc radius direction and a disc error signal corresponding to the deviation in the radial direction of the disc are combined, thus obtaining a composite error signal for controlling the translation of the carriage.

REFERENCES:
patent: 5023857 (1991-06-01), Verboom
patent: 5042021 (1991-08-01), Nagano et al.
patent: 5058089 (1991-10-01), Yoshimaru et al.
patent: 5086419 (1992-02-01), Yanagi
patent: 5109374 (1992-04-01), Tsunoda et al.
patent: 5189653 (1993-02-01), Yanagi

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