Laser driver and optical disk drive apparatus

Details Laser driver and optical disk drive apparatus Laser driver and optical disk drive apparatus

1991-10-28

1993-03-02

Epps, Georgia Y.

Coherent light generators

Particular component circuitry

Optical pumping

372 33, 372 29, H01S 300

Patent

active

051915898

ABSTRACT:
In response to a source current supply and a sink current supply, a switching circuit selectively forms a current path through which a constant source current from the source current supply flows into a laser in order to turn on the laser and a current path through which a constant source current from the source current supply flows into the sink current supply in order to turn off the laser.

REFERENCES:
patent: 4868836 (1989-09-01), Howard
patent: 5062113 (1991-10-01), Takahashi

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