Coin-operated phonograph
US4405984A · kind A · utility
12Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Feb 2, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A coin-operated phonograph is provided which includes a cathode ray tube for displaying information, such as title strip data, in alphanumeric form. The phonograph includes means for storing the information to be displayed in digital form. An optical character reader is used for entering the information into storage in the storage means. Means are responsive to the storage means for controlling the presentation of the information on the cathode ray tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.