Resonant scanning mirror with both magnetic and mechanical torsion springs

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United States of America Patent

PATENT NO 10775612
APP PUB NO 20180252914A1
SERIAL NO

15826732

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Optical apparatus includes a shaft, which is configured to rotate about an axis of the shaft relative to a base. A mirror is fixed to the shaft so that the mirror rotates about the axis. A rotor including a permanent magnet is fixed to rotate with the shaft. A stator is configured to generate a magnetic field having a DC component in a vicinity of the rotor. A torsion spring, extending along the axis, has a first end that is attached to rotate with the shaft and a second end attached to the base.

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Patent Owner(s)

  • APPLE INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerson, Yuval Sunnyvale, US 40 400
Shpunt, Alexander Portola Valley, US 139 7104

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