Optical recording/reproducing apparatus with variable control

Details Optical recording/reproducing apparatus with variable control Optical recording/reproducing apparatus with variable control

1995-05-18

1997-02-25

Tran, Thang V.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4435, 369 54, G11B 700

Patent

active

056065361

ABSTRACT:
At the turning on of the power of the optical recording/reproducing apparatus, or immediately after the reset of the optical recording/reproducing apparatus, the CPU sets parameters in the RAM of the DSP in accordance with the kind of software of the DSP, the model of the optical recording/reproducing apparatus, the characteristics of the head actuator, and the like. Thus, a control system in the DSP is constructed so that the control system is adapted to the corresponding head actuator and drive. Accordingly, even when the specifications or models of head actuators are changed, and moreover when the optical recording/reproducing apparatus is provided with a plurality of heads and drives, the control can be performed by one and the same CPU. As a result, it is possible to provide an optical recording/reproducing apparatus at a low cost and with high producibility.

REFERENCES:
patent: 4718057 (1988-01-01), Venkitakrishnan
patent: 4755980 (1988-07-01), Yoshimani et al.
patent: 5243581 (1993-09-01), Yuji et al.
patent: 5289451 (1994-02-01), Ahsinuma et al.
patent: 5473550 (1995-12-01), Cameron et al.

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