Double stylus assembly for phonograph record stamper playback
US4113267A · kind A · utility
6Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1977 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Apr 25, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B3/44
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A playback stylus assembly for a phonograph record stamper and matrix is provided. The stylus assembly comprises a pair of conventional jeweled styli members each terminating at a tipped end. The styli are bonded to each other but offset from one another to form a "V" to ride along the stamper ridges. The ends of the styli opposite the tip ends are bonded to a tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.