H04R 9/00
Definition Statement
This place covers:Transducers of moving-coil, moving-strip, or moving-wire type, e.g.
- general constructional aspects thereof
- cooling aspects;
- constructional aspects of the magnetic circuit, e.g. to reduce eddy currents or stray flux;
- aspects of the voice coil, i.e. mounting, construction or centring thereof
Synonyms and Keywords
Abbreviations
Spider
| inner suspension usually placed between voice coil former and frame, for providing a restoring force enabling the return of the transducer membrane to its normal resting position and for centring the voice coil
|