Electromagnetic haptic actuator with high definition capability

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10404149
APP PUB NO 20180123437A1
SERIAL NO

15342743

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A haptic actuator having a housing, a moveable mass, and first, second, and third electromagnets is disclosed. The first electromagnet is fixed to the housing. The moveable mass is suspended in the housing and at least partially surrounding the first electromagnet. The moveable mass has ferromagnetic material at a first end of the moveable mass, and ferromagnetic material at a second end opposite the first end. It further has a plurality of permanent magnets that are configured to magnetize the ferromagnetic material, such that when a current is applied to the first electromagnet, the ferromagnetic material of one of the first and second ends is attracted to the first electromagnet, and the ferromagnetic material of the other of the first and second ends is repelled. The second electromagnet and the third electromagnet are each fixed to the housing, and face opposite ends of the moveable mass.

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Patent Owner(s)

Patent OwnerAddress
IMMERSION CORPORATION50 RIO ROBLES SAN JOSE CA 95134

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alghooneh, Mansoor Montreal, CA 29 36
Khoshkava, Vahid Montreal, CA 109 109
Olien, Neil T Montreal, CA 38 940

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