Optical deflector and electromagnetic actuator

Details Optical deflector and electromagnetic actuator Optical deflector and electromagnetic actuator

2005-02-22

2005-02-22

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

C359S224200

Reexamination Certificate

active

06859121

ABSTRACT:
The present invention is directed to an optical deflector. The optical deflector includes a support body, a movable plate, a pair of first elastic portions connecting the movable plate and the support body, a pair of second elastic portions connecting the movable plate and the support body, a first drive wiring extending through the support body, the first elastic portions and the movable plate, a second drive wiring extending through the support body, the second elastic portions and the movable plate, and a magnetic field generator. The movable plate has a reflecting surface to reflect a light beam. The first and second elastic portions are elastically deformable to allow the movable plate to rotate about first and second rotational axes, respectively. The first and second drive wirings include parts that are positioned in the movable plate and respectively extend in parallel with the first and second rotational axes.

REFERENCES:
patent: 4421381 (1983-12-01), Ueda et al.
patent: 5912608 (1999-06-01), Asada
patent: 6188504 (2001-02-01), Murakami et al.
patent: 6467345 (2002-10-01), Neukermans et al.
patent: 6644821 (2003-11-01), Ikegame
patent: 20020118429 (2002-08-01), Miyajima et al.
patent: 2002323669 (2002-11-01), None

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