Multimedia signal matching system and method for performing picture-in-picture function
US7646432B2 · kind B2 · utility
15Cited by
1References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 4, 2005 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Nov 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/426
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multimedia signal matching system for performing a picture-in-picture function includes: at least one set-top box including a decoder for decoding multimedia signals in a predetermined reference format and generating a control signal for performing the picture-in-picture function; and a multimedia matching device for receiving multimedia signals in various formats from a broadcast communication network and the control signal from the set-top box, processing the received multimedia signals into signals with the predetermined reference format responsive to the control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.