Speaker device
US9565504B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2012 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R3/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
To provide a speaker apparatus that can detect miswiring to a speaker unit or trouble of a speaker unit itself. The speaker apparatus is configured to include: two or more speaker units 11 that are arranged in a speaker housing 10; a sensor microphone 12 that is arranged in the speaker housing 10 and outputs a sound collection signal 6; a target unit selection part 20 that selects any one of the speaker units 11 as a target unit; a sound signal supply part 21 that supplies an external sound signal 4 to the target unit; and an error detection part 25 that provides an error output on the basis of the external sound signal 4 and the sound collection signal 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.