Pickup tone arm
US4101133A · kind A · utility
4Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1976 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Oct 13, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B3/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to a complex resonance type pickup tone arm in which a damping member is disposed at the middle of the arm to damp low and middle frequency resonances so that the tip of the arm is prevented from being bent down.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.