The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2017
Filed:
Jun. 13, 2013
Strategic Polymer Sciences, Inc., State College, PA (US);
Brian C. Zellers, Bellefonte, PA (US);
Thomas Tremper, State College, PA (US);
Raymond Orchard, Jr., State College, PA (US);
Christophe Ramstein, San Francisco, CA (US);
Novasentis, Inc., State College, PA (US);
Abstract
An inertial actuator includes an electro-active polymer EAP actuator, a substrate, and one or more mass elements. The EAP actuator includes at least one EAP layer located between a pair of driving electrodes. The EAP actuator may include a multilayer stack of alternating EAP layers and electrode layers. The EAP actuator is attached to the substrate (e.g., a flexible polymer substrate), which may be held under tension by attachment points at the periphery of the substrate, at the ends of a beam-type substrate, or the edges of a membrane-type actuator. The EMP actuator induces vibrations in the substrate. One or more mass elements (e.g., metal films) may also be supported by the substrate to enhance the resonator response.