Source: https://patents.google.com/patent/US20100139418A1/en
Timestamp: 2018-04-24 15:02:02
Document Index: 211061473

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 61']

US20100139418A1 - Measurement of sliding friction-induced vibrations for biomimetic tactile sensing - Google Patents
Measurement of sliding friction-induced vibrations for biomimetic tactile sensing Download PDF
US20100139418A1
US20100139418A1 US12417532 US41753209A US2010139418A1 US 20100139418 A1 US20100139418 A1 US 20100139418A1 US 12417532 US12417532 US 12417532 US 41753209 A US41753209 A US 41753209A US 2010139418 A1 US2010139418 A1 US 2010139418A1
US8181540B2 (en )
This application is a continuation-in-part of U.S. patent application Ser. No. 11/692,718, filed 28 Mar. 2007 and entitled “Biomimetic Tactile Sensor,” which claims priority to U.S. Provisional Patent Application No. 60/786,607, filed 28 Mar. 2006 and entitled “Biomimetic Tactile Sensor”; the entire contents of both of which applications are incorporated herein by reference. This application is also a continuation-in-part of U.S. patent application Ser. No. 12/122,569 filed 16 May 2008, and entitled “Biomimetic Tactile Sensor for Control of Grip,” which claims priority to U.S. Provisional Patent Application No. 60/939,009, filed 18 May 2007 and entitled “Biomimetic Tactile Sensor for Control of Grip”; the entire contents of both of which applications are incorporated herein by reference. This application also claims the benefit of the following applications, all of which, and all references cited therein, are incorporated in their entireties herein by reference: U.S. Provisional Patent Application No. 61/041,861, filed 2 Apr. 2008 and entitled “Wearable Measurement System for Shoulder Motion”; U.S. Provisional Patent Application No. 61/041,865, filed 2 Apr. 2008 and entitled “Hand Motion Commands Inferred from Voluntary Shoulder Movement”; U.S. Provisional Patent Application No. 61/041,867, filed 2 Apr. 2008 and entitled “Measurement of Sliding Friction-Induced Vibration for Tactile Feedback Control”; U.S. Provisional Patent Application No. 61/041,868, filed 2 Apr. 2008 and entitled “Elastomer Patterning and Pressure Sensing Enhancements for Functional Transduction in Electro-Hydraulic Impedance Sensing Devices”; and, U.S. Provisional Patent Application No. 61/042,182, filed 3 Apr. 2008 and entitled “Spike-Like Regulator”.
This invention was made with government support from NSF Grant No. EEC 0310723. The government has certain rights in the invention.
a fluid disposed within the space between the elastomeric skin and the core, wherein the fluid comprises a hydraulic fluid;
a pressure sensor configured and arranged to detect pressure variations in the fluid produced by vibrations of the skin; and
a fluid disposed within the space between the elastomeric skin and the core, wherein the fluid comprises a hydraulic fluid; and
a pressure sensor subsystem disposed within the core and configured and arranged to detect pressure variations in the fluid produced by vibrations of the skin and provide an electrical output indicative of the vibrations.
detecting pressure fluctuations in a hydraulic fluid in contact with the elastomeric skin; and
matching the detected pressure fluctuations to one or more entries in a database of pressure fluctuations corresponding to conditions of the interface between the elastomeric skin and the object.
adjusting the force between the object and the sensor based on the electrical signal indicative of pressure fluctuations.
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