Channel-scanning picture-in-picture-in-picture television receiver
US5247365A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Mar 31, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/482
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television receiver is adapted for displaying, in superimposition on a master picture of a channel received by a first tuner, a slave picture of a channel received by a second tuner. The television receiver includes a scanner key for scanning the channel received by the second tuner, a return key for terminating the scanning and a controlling circuit responsive to the operation of the scanner key and the return key for selecting the channel to be received by a receiving circuit. The scanner key is operated to scan the channels received by the second tuner and the return key is operated to terminate the channel scanning to select a desired channel to be received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.