Compact moving-coil pickup of low weight and high quality
US4237349A · kind A · utility
6Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1978 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Dec 28, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a moving-coil pickup having a flat, wound armature which is fixed to a stylus arm and is movably mounted in a magnet field produced by one or more permanent magnets, said magnet or magnets is/are so arranged as to define a relatively short tube within which the armature is mounted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.