Output control apparatus of semiconductor laser device

Details Output control apparatus of semiconductor laser device Output control apparatus of semiconductor laser device

1996-10-15

1998-06-23

Edun, Muhammad N.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 54, 369 48, 369 13, G11B 700

Patent

active

057712204

ABSTRACT:
A recording and reproducing apparatus includes a semiconductor laser device for irradiating a light beam, a driving circuit for driving the semiconductor laser device, and an oscillation device for generating a predetermined high-frequency signal. The high-frequency signal generated by this oscillation device is superposed onto a driving signal of the driving circuit in order to drive the semiconductor laser device.

REFERENCES:
patent: 5495464 (1996-02-01), Fujikawa et al.
patent: 5614708 (1997-03-01), Koishi et al.
patent: 5657307 (1997-08-01), Taneya et al.

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