Method and apparatus for selectively displaying additional information relating to broadcast information
US6400379B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1997 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Nov 25, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4316
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for displaying a primary display and a window containing additional information is provided. The apparatus contains a display device, a displaying mechanism, and an exposing mechanism. The display device has a screen, and the displaying mechanism displays the primary display on the screen. The exposing mechanism generates and displays the window containing the additional information on the screen such that the window is located underneath the primary display while the primary display is displayed on the screen and is exposed by removing the primary display from on top of the window. A method which is performed by the apparatus is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.