Broadcast receiving method and broadcast receiving apparatus therefor
US6104389A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1998 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Jun 12, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/443
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A broadcast receiving apparatus comprises the tuner section 12 for receiving a plurality of program-related information transmitted in conjunction with coded sounds and moving pictures, an output device for producing and outputting picture information based on the program-related information, a data compression device for compressing data of the program-related information received by the tuner section 12, the RAM (Random Access Memory) 26 for storing compressed information compressed by the data compression device, a judging device for judging whether the received program-related information are same contents as previously received program-related information which are already stored in the RAM 26 or not, wherein the newly received program-related information are deleted in the case of the same contents, the previously received program-related information are erased and newly received program-related information are stored in the RAM 26 in the case of different contents, and the broadcast receiving apparatus further comprises an information decoding device of decoding information stored in the RAM 26.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.