Pick-up
US4310917A · kind A · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1979 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Feb 26, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a pick-up of the type having a relatively flat, square armature disposed perpendicularly to one end of a stylus arm and supported on one side by an elastic damping device which in turn is firmly supported by an air gap defining pole piece, selective damping is provided by the application of a particular damping device consisting of a disc shaped inertia body clamped between two rubber pads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.