Information recording device which adjusts its recording paramet

Details Information recording device which adjusts its recording paramet Information recording device which adjusts its recording paramet

1990-06-21

1991-12-10

Richardson, Robert L.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369116, G11B 700

Patent

active

050724355

ABSTRACT:
An information recording device (FIG. 1) has write means (3, 8) for providing the record carrier (1) with information patterns (58, 59). The write means (3, 8) are adjustable. in determining the optimum adjustment a calibration procedure is carried out. For different settings of the write means (3, 8) information patterns (58, 59) are recorded. The optimum setting is determined on the basis of the recorded information patterns. The information recording device further comprises storage means for storing in a memory the determined optimum setting together with identification data which indicate for which combination of the recording device and a record carrier (1) the adjustment data has been determined. After a record carrier (1) has been loaded into the information recording device the occurrence of adjustment data for the relevant combination of a record carrier (1) and an information recording device is detected in the memory (1, 12). If adjustment data for to combination has been stored the write means (3, 8) is adjusted accordingly and no new calibration procedure is performed, saving a substantial amount of time.

REFERENCES:
patent: 4677606 (1987-06-01), Ogata et al.
patent: 4717971 (1988-01-01), Sawyer
patent: 4943861 (1990-07-01), Lambert

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