Laser diode driving circuit and laser diode controlling...

Details Laser diode driving circuit and laser diode controlling... Laser diode driving circuit and laser diode controlling...

2007-11-27

2007-11-27

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S116000

Reexamination Certificate

active

10912055

ABSTRACT:
A laser diode driving circuit and a laser diode controlling apparatus including the laser diode driving circuit. The laser diode driving circuit includes a voltage drop prevention unit, which prevents a voltage at an input terminal of the laser diode driving circuit from dropping to a predetermined voltage level or lower, the input terminal of the laser diode driving circuit being connected to an output terminal of the ALPC circuit.

REFERENCES:
patent: 5138623 (1992-08-01), Ema et al.
patent: 5285464 (1994-02-01), Ogino
patent: 06-251371 (1994-09-01), None
patent: 09-147360 (1997-06-01), None
patent: 09-306011 (1997-11-01), None
patent: 10-312569 (1998-11-01), None

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