1
Ronald E Pelrine, Roy D Kornbluh: Electroactive polymer devices. SRI International, Beyer Weaver & Thomas, April 8, 2003: US06545384 (336 worldwide citation)

The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The pr ...


2
Ronald E Pelrine, Roy D Kornbluh, Qibing Pei, Jose P Joseph: Electroactive polymer electrodes. SRI International, Beyer Weaver & Thomas, June 24, 2003: US06583533 (275 worldwide citation)

The present invention relates to electroactive polymers that are pre-strained to improve conversion from electrical to mechanical energy. When a voltage is applied to electrodes contacting a pre-strained polymer, the polymer deflects. This deflection may be used to do mechanical work. The pre-strain ...


3
Ronald E Pelrine, Roy D Kornbluh, Qibing Pei, Joseph Stephen Eckerle: Electroactive polymer sensors. SRI International, Beyer Weaver & Thomas, October 26, 2004: US06809462 (258 worldwide citation)

The invention provides sensors that comprise a transducer that converts between mechanical energy and electrical energy. The transducer comprises an electroactive polymer in electrical communication with at least two electrodes. When a relatively small voltage difference is applied between the elect ...


4
Qibing Pei, Ronald E Pelrine, Roy D Kornbluh, Scott E Stanford, Neville A Bonwit, Jonathan R Heim: Rolled electroactive polymers. SRI International, Beyer Weaver & Thomas, May 10, 2005: US06891317 (238 worldwide citation)

The invention describes rolled electroactive polymer devices. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. A rolled electroactive polymer device converts between electrical and mechanical energy; and includes a rolled ele ...


5
Ronald E Pelrine, Roy D Kornbluh, Qibing Pei, Jose P Joseph: Electroactive polymer electrodes. SRI International, Beyer Weaver & Thomas, April 23, 2002: US06376971 (217 worldwide citation)

The present invention relates to electroactive polymers that are pre-strained to improve conversion from electrical to mechanical energy. When a voltage is applied to electrodes contacting a pre-strained polymer, the polymer deflects. This deflection may be used to do mechanical work. The pre-strain ...


6
Ronald E Pelrine, Roy D Kornbluh, Joseph Stephen Eckerle, Scott E Stanford, Seajin Oh, Pablo E Garcia: Biologically powered electroactive polymer generators. SRI International, Beyer Weaver & Thomas, July 27, 2004: US06768246 (184 worldwide citation)

Disclosed generators includes one or more transducers that use electroactive polymer films to convert mechanical energy to electrical energy. The generators may include one or more transmission mechanisms that transfer a portion of an unused biological energy source, an unused environmental energy s ...


7
Qibing Pei, Ronald E Pelrine, Roy D Kornbluh: Electroactive polymers. SRI International, Beyer Weaver & Thomas, November 2, 2004: US06812624 (166 worldwide citation)

The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The pr ...


8
Roy D Kornbluh, Ronald E Pelrine: Variable stiffness electroactive polymer systems. SRI International, Beyer Weaver & Thomas, April 19, 2005: US06882086 (132 worldwide citation)

The invention relates to systems that provide variable stiffness and/or variable damping using an electroactive polymer transducer. Systems described herein offer several techniques that provide variable and controlled stiffness and/or damping. A transducer may be implemented using open loop control ...


9
Ronald E Pelrine, Roy D Kornbluh, Qibing Pei: Electroactive polymer transducers and actuators. SRI International, Beyer Weaver & Thomas, August 24, 2004: US06781284 (128 worldwide citation)

The present invention relates to electroactive polymers that are pre-strained to improve conversion from electrical to mechanical energy. When a voltage is applied to electrodes contacting a pre-strained polymer, the polymer deflects. This deflection may be used to do mechanical work. The pre-strain ...


10
Roy D Kornbluh, Ronald E Pelrine, Paul K Gallagher, Joseph S Eckerle, Donald E Czyzyk, Subramanian Venkat Shastri, Qibing Pei: Electroactive polymer animated devices. SRI International, Beyer Weaver & Thomas, July 1, 2003: US06586859 (118 worldwide citation)

The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produce motion of a feature included in ...