Television signal receiving system
US4518993A · kind A · utility
18Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1981 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Nov 23, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television receiver for receiving standard television channel signals and a scrambled television channel signal includes a channel selector which selects one of the television channel signals, a tuner which tunes the selected television channel signal, and a converting circuit which converts the scrambled television channel signal to a vacant standard television channel signal for tuning by the tuner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.