Piezo based force sensing

S Filiz, BQ Huppi, CJ Butler, MP Grunthaner… - US Patent …, 2018 - Google Patents
Abstract Systems for detecting an amount and/or location of a force applied to a device using
a piezoelectric film are provided. One example system can include a transparent …

Electronic device having direction-dependent strain elements

JE Pedder, JS Smith, M Vosgueritchian… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A force sensor is disclosed. The force sensor includes a force-sensitive
structure that compensates for temperature and other environmental changes through the …

Embroidered strain sensing elements

SJ Keller, TT Trutna, DR Perek, BA Cleary III… - US Patent …, 2017 - Google Patents
A deformation sensing fabric comprises a fabric substrate comprising a first fabric layer and
a first conductive element woven into the first fabric layer. The first conductive element …

Sensor system integrated with a glove

KA McMillen, K Lobedan, G Wille, F Muller… - US Patent …, 2019 - Google Patents
Sensor systems are described that are designed to be integrated with gloves for the human
hand. An array of sensors detects forces associated with action of a hand in the glove, and …

Force sensing in an electronic device using a single layer of strain-sensitive structures

JS Smith - US Patent 10,133,418, 2018 - Google Patents
A strain-sensitive structure includes two resistive structures connected in series and formed
on one surface of a substrate. One resistive structure is formed with a first trace arranged in …

Flexible sensors and sensor systems

KA McMillen, K Lobedan, M Stinnett - US Patent 11,147,510, 2021 - Google Patents
Sensor systems are described that are designed to be integrated with gloves for the human
hand. An array of sensors detects forces associated with action of a hand in the glove, and …

Touch input device including a moment compensated bending sensor for load measurement on platform supported by bending beams

ST Hoen, PK Augenbergs, JM Brock, JA Harley… - US Patent …, 2018 - Google Patents
A method is provided for fabricating a bending beam sensor coupled to a touch input device.
The method includes providing a bending beam. The method also includes placing a first …

Flexible sensors and applications

KA McMillen - US Patent 10,282,011, 2019 - Google Patents
US10282011B2 - Flexible sensors and applications - Google Patents US10282011B2 - Flexible
sensors and applications - Google Patents Flexible sensors and applications Download PDF …

Temperature compensating force sensor

S Filiz, JE Pedder, CT Ogata, JS Smith… - US Patent …, 2019 - Google Patents
An optical force sensor, which may be used as input to an electronic device. The optical
force sensor may be configured to compensate for variations in temperature using two or …

Strain sensors in an electronic device

M Vosgueritchian, JS Smith, S Filiz, JE Pedder… - US Patent …, 2018 - Google Patents
One or more strain sensors can be included in an electronic device. Each strain sensor
includes a strain sensitive element and one or more strain signal lines connected directly to …