Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor
US6404781B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1998 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Sep 1, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3284
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a data transmission method for information data containing additional information data therewith, comprising, at a transmitter side, following steps:adding error correction codes for correcting error to said additional information data;embedding said additional information data added with said error correction codes into the information data by plural times, repetitively; andtransmitting the information data embedded with the repetitive additional information data therein, and comprising, at a receiver side, following steps:receiving the transmitted information data embedded with the repetitive additional information data therein;detecting the repetitive additional information data embedded from said transmitted information data received;determining said additional information data on a basis of a majority rule when receiving said information data; andcorrecting error with using the error correction codes received and determined when said additional information data contains error(s) therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.