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US Patent 7339572 Haptic devices using electroactive polymers

Patent 7339572 was granted and assigned to Immersion Corporation on March, 2008 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Bruce M. Schena0

Date of Patent

March 4, 2008

Patent Application Number

11711400

Date Filed

February 26, 2007

Patent Citations Received

US Patent 12073710 Portable electronic device having a haptic button assembly

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US Patent 11714489 Thin profile user interface device and method providing localized haptic response

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US Patent 11756392 Portable electronic device having a haptic button assembly

US Patent 11762470 Electronic device with an input device having a haptic engine

US Patent 11805345 Haptic output system

Patent Primary Examiner

Patent abstract

Haptic feedback device and method for using an electroactive polymer (EAP) actuator to provide haptic feedback force sensation to a user. The device includes a sensor that detects the a user's touch on a touch surface and an electroactive polymer actuator responsive to input signals from the sensor outputs a haptic feedback force to the user caused by motion of the actuator.

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