Transparent parametric emitter
US8976997B1 · kind B1 · utility
9Cited by
5References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2014 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Jul 14, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2217/03
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transparent ultrasonic emitter includes a first transparent base layer; a transparent conductor disposed on the first transparent base layer; a second transparent base layer; and a partially open transparent conductive layer disposed on the second transparent base layer between the first and second transparent base layers, wherein the partially open conductive layer comprises conductive portions, the conductive portions having a thickness and being arranged to define one or more open volumes adjacent the second transparent base layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.