Audio transducer apparatus
US4951270A · kind A · utility
17Cited by
5References
14Claims
0Family size
Inventor
Key dates
| Filing date | Jun 20, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Jun 20, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/066
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Transducer apparatus includes a two-part housing having a rear boss for securing the transducer to a wall. Within the housing are two magnetic elements for providing an output in response to electrical input signals, and the output is transmitted to the wall through the housing and rear boss. The magnetic elements are secured within the housing by the internal configuration of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.