Vibration loudspeaker
US10250991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2015 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Nov 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a vibration loudspeaker, comprising a housing, a back lid matching the housing, and a vibration system and a magnetic circuit system in the housing; the housing and the back lid are both square-shaped structures; the four corners of the square-shaped structure of the housing are provided with a recess, and the four corners of the back lid corresponding to the four corners of the housing are provided with a step, such that the back lid and the housing snap together and fix to each other. The vibration loudspeaker of the present invention effectively enhances the firmness of the fitting between the back lid and the housing, thereby enhancing the overall strength of the vibration loudspeaker product of the present invention. The vibration loudspeaker of the present invention has high overall strength, good reliability, and strong shock resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.