Digital television broadcast signal receiver
US7701511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2006 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Feb 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4884
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a digital television broadcast signal receiver (TV receiver), when closed caption information of digital TV (DTV-CC) is detected, a DTV-CC logo (first annunciation image) 31 is displayed with superimposing on an image of TV program for announcing that the DTV-CC is included in the digital TV signal, and when closed caption information of NTSC (NTSC-CC) is detected, an NTSC-CC logo (second annunciation image) 32 is displayed with superimposing on the image of TV program for announcing that the NTSC-CC is included in the digital TV signal. Thus, a user can easily recognize whether the DTV-CC and/or NTSC-CC are/is included in the digital TV signal or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.