Speaker apparatus and methods useful in conjunction therewith
US9497526B2 · kind B2 · utility
0Cited by
25References
12Claims
0Family size
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Key dates
| Filing date | Jun 2, 2014 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Aug 3, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An actuation system for generating a physical effect, the system comprising at least one array of translating elements each constrained to travel alternately back and forth along a respective axis, toward first and second extreme positions respectively, in response to activation of first and second forces respectively; and a controller operative to use the first and second forces to selectably latch at least one subset of said translating elements into the first and second extreme positions respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.