Light emitting element drive apparatus

Details Light emitting element drive apparatus Light emitting element drive apparatus

1999-01-28

1999-11-23

Scott, Jr., Leon

Coherent light generators

Particular component circuitry

Optical pumping

H01S 300

Patent

active

059913207

ABSTRACT:
A light emitting element drive apparatus includes a differential signal processing circuit for performing logic processing of input complementary image signals that are 180.degree. out of phase and at least one control signal using a differential circuit while maintaining the complementarity of signals to generate complementary output signals, and a switching circuit which is driven by the complementary output signals to supply a drive current to a light emitting element.

REFERENCES:
patent: 5373518 (1994-12-01), Uchiyama et al.
patent: 5675599 (1997-10-01), Abe et al.
patent: 5736844 (1998-04-01), Yanagisawa
patent: 5796767 (1998-08-01), Aizawa

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