Electromagnetic haptic actuator with high definition capability
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United States of America Patent
Stats
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Sep 3, 2019
Grant Date -
May 3, 2018
app pub date -
Nov 3, 2016
filing date -
Nov 3, 2016
priority date (Note) -
In Force
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Abstract
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.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
IMMERSION CORPORATION | 50 RIO ROBLES SAN JOSE CA 95134 |
International Classification(s)

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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Alghooneh, Mansoor | Montreal, CA | 39 | 262 |
Khoshkava, Vahid | Montreal, CA | 123 | 738 |
Olien, Neil T | Montreal, CA | 39 | 1792 |
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