Multistyli recording systems
US4307406A · kind A · utility
2Cited by
5References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1978 |
| Grant date | Dec 22, 1981 |
| Priority date | — |
| Expiry date | Nov 29, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/192
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for recording information with a reciprocating stylus assembly provide a mass which preferably corresponds to the mass of the stylus assembly. The stylus assembly and the provided mass are jointly reciprocated in phase opposition to each other, whereby stylus assembly vibrations are practically eliminated and the recording system is dynamically balanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.