Modal body touch using ultrasound
US9389733B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
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Key dates
| Filing date | Aug 18, 2014 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Aug 18, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42201
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method, a device, and a non-transitory storage medium having instructions to detect, via an ultrasound transducer, an ultrasound event that includes an ultrasound signal that is transdermally propagated on the body of a user and generated by an on-body touch in an area in which the ultrasound signal has propagated; detect a state of a limb of the user on which the device is worn, wherein the state is a contracted state or a relaxed state; and select an input based on the receipt of the ultrasound signal and the state of the limb. An accelerometer may be used to detect muscle tremor and determine whether the state of the limb.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.