Ultrasound-based facial and modal touch sensing with head worn device
US9727133B2 · kind B2 · utility
1Cited by
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16Claims
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Key dates
| Filing date | Sep 19, 2014 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Oct 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2218/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, a device, and a non-transitory storage medium having instructions to analyze a characteristic of an ultrasonic signal that propagated on a face of a user of the computational device and effected by an on-body touch, by the user, in an area in which the ultrasonic signal has propagated, wherein the characteristic includes at least one of facial expression or contraction state of a facial muscle; select an input based on an analysis of the ultrasound event; and perform an action specified by the input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.