Two-dimensional optical deflector with minimized crosstalk

Details Two-dimensional optical deflector with minimized crosstalk Two-dimensional optical deflector with minimized crosstalk

2006-08-22

2006-08-22

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Optical modulator

Light wave directional modulation

C359S224200

Reexamination Certificate

active

07095549

ABSTRACT:
An optical deflector includes a support, a frame-like outer movable plate positioned inside the support, two outer torsion bars connecting the support and outer movable plate, an inner movable plate positioned inside the outer movable plate, two inner torsion bars connecting the outer movable plate and inner movable plate, an outer driving coil on the outer movable plate, an outer movable plate driving magnetic field generator, an inner driving coil on the inner movable plate, an inner movable plate driving magnetic field generator, an outer driving coil wiring electrically connected to the outer driving coil, and an inner driving coil wiring electrically connected to the inner driving coil. The inner driving coil wiring extends on the outer movable plate so as to avoid a magnetic field generated by the outer movable plate driving magnetic field generator.

REFERENCES:
patent: 5606447 (1997-02-01), Asada et al.
patent: 5912608 (1999-06-01), Asada
patent: 6108118 (2000-08-01), Minamoto
patent: 6388789 (2002-05-01), Bernstein
patent: 6404313 (2002-06-01), Asada
patent: 2002/0149294 (2002-10-01), Matsumoto et al.

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