Close caption support with timewarp
US5537151A · kind A · utility
89Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1994 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Feb 16, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method of providing closed captioned data to a television viewer comprised of detecting closed captioned data signals transmitted in conjunction with a television signal, decoding the data signals to caption display signals, and displaying the caption display signals on an auxiliary screen separate from a screen displaying the television signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.