Output level adjustment device
US9473095B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2013 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Jun 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A speaker assembly is provided and may include an outer portion having a plurality of slots. An inner portion may cooperate with the outer portion and may have a positioning lever and an adjustment mechanism slot. The positioning lever may cooperate with one of the plurality of slots. An adjustment mechanism may cooperate with one of the plurality of slots and the adjustment mechanism slot. The adjustment mechanism may slide within the adjustment mechanism slot changing a volume of the speaker assembly when the outer portion moves in relation to the inner portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.