Electroacoustic transducer with built in transducer circuit
US7277555B2 · kind B2 · utility
3Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2003 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | Jan 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an electroacoustic transducer (1), an annular shaped magnet system (14) is provided, enclosing an inner space (22), in which inner space (22) an integrated circuit (31) is accommodated, with the aid of which integrated circuit (31) an electrical signal to be sent to a moving coil (29) of transducer (1) can be amplified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.