Television receiver with picture-in-picture function displays titles of reduced screen programs
US5978046A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4263
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a television receiver having a function of picture-in-picture, a character caption on a sub-screen is displayed at an easy-to-see position to enable the content of the sub-screen to be easily understood while looking at the main screen, wherein when either one or multiple sub-screens are displayed in the main screen, the character caption corresponding to the displayed sub-screen is displayed at a proper position to the main screen or on a position displaced from the main screen, it may also be displayed with a character having a shade or displayed with a blanched character or the like, thereby even while watching the main screen, the content of the sub-screen projected may easily be understand through the character caption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.