Picture-in picture television receiver with step-by-step still picture control
US4774582A · kind A · utility
46Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1986 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Dec 19, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/45
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television receiver of the type which simultaneously displays a main, live picture and one or more sub-pictures inset therein and which is provided with a step-by-step switch and associated circuitry which allows the user to operate the step-by-step switch and either display the main, live picture and as sub-pictures, a series of still pictures taken at different points in time from the main picture, or the main, live picture and as sub-pictures a series of still pictures taken at different points in time from a second video signal along with a live sub-picture of the second video signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.