Piezoionic mechanoreceptors: Force-induced current generation in hydrogels

Y Dobashi, D Yao, Y Petel, TN Nguyen, MS Sarwar… - Science, 2022 - science.org
The human somatosensory network relies on ionic currents to sense, transmit, and process
tactile information. We investigate hydrogels that similarly transduce pressure into ionic …

Surface sensor arrays using ionically conducting material

J Madden, Y Dobashi, MS Sarwar - US Patent 10,401,241, 2019 - Google Patents
Sensor arrays are provided for sensing pressure and/or moisture over a two-dimensional
sensing surface. The sensor arrays comprise ionically conductive materials. Individual …

Capacitive bending sensors

JDW Madden, MS Sarwar - US Patent 10,670,429, 2020 - Google Patents
(57) ABSTRACT A sensor unit for detecting bending of the sensor unit comprises: a
capacitive upper sensor having an upper capacitance and comprising first and second …

Cluster sensor

JDW Madden, MS Sarwar - US Patent 10,831,319, 2020 - Google Patents
A sensor for detecting and distinguishing between increasing and decreasing proximity of a
pointing element, touch by a pointing element, pressure applied by a pointing element …

Wide area sensors

A Banica, S Edmondson, K Parmar - US Patent App. 17/049,299, 2021 - Google Patents
A sensor has an at least partially conductive material to which plural conductive contacts are
connected. A processor causes circuits to be formed between pairs of the conductive …

Elastomeric temperature sensor

W Yecheng, K Jia, Y Canhui, G Mao, Z Suo - US Patent 11,519,788, 2022 - Google Patents
(57) ABSTRACT A stretchable temperature sensor includes one or more elastomeric ionic
conducting layers; at least two electronic conducting elements, wherein the one or more …

3-D deformation and motion sensors made with ionic polymer metal composites

M Shahinpoor - US Patent 11,874,293, 2024 - Google Patents
The design invention comprises a geometric configuration of an ionic polymer metal
composite (IPMC) three dimensional deformation and dynamics sensor capable of sensing …

Pressure sensor device with organic electrochemical transistors

A Khademhosseini, S Zhang - US Patent App. 18/042,197, 2024 - Google Patents
A low power-consumption iontronic pressure sensor is disclosed that is based on OECT
where an ionic hydrogel is used as solid gating medium for pressure sensing transistor …

Flexible capacitive tactile sensor and method for manufacturing same and tactile sensing system

Y Dai, P Lu, Z Zhang, C Guo - US Patent 11,954,296, 2024 - Google Patents
A flexible capacitive tactile sensor is provided. The flexible capacitive tactile sensor may
include a first flexible electrode layer, a second flexible electrode layer, and an ion gel thin …

Pressure sensing device, pressure sensing method and electronic terminal with compact structure and high sensitivity

H Li, LIN Xuepeng - US Patent 11,940,337, 2024 - Google Patents
The pressure sensing device includes a substrate and a pressure sensor. The pressure
sensor used is a thin-film piezoresistive sensor with a certain area, and a power wire, a …