Programmer for record player
US4004816A · kind A · utility
4Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1974 |
| Grant date | Jan 25, 1977 |
| Priority date | — |
| Expiry date | Jun 6, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A record player is organized to play in succession a series of records to provide a programmer simulating an operatic performance, or playing of music of a selected mood extending over a period of time. The player also permits of automatic multiple playings of a single record. Simplified indicating and control means makes the programmer easily understood and easily operated. The player provides the aforesaid performance with either the standard 7 inch 45 RPM records or the standard 12 inch 33 RPM records. The mechanism employed is especially constructed to avoid disturbing mechanical noises.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.