Program search apparatus and program search method for same
US8225355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Nov 13, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4828
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An object of the present invention is to propose viewer-desired search words in searching for related programs. A view determining unit identifies viewed programs based on a view history including channel information and time information about the viewed programs, and based on program supplement data held in a program information holding unit. A search word extracting unit 13 extracts search words from the program supplement data about the programs identified by the view determining unit. A program search unit searches for related programs related to the search words by using the extracted search words and the program supplement data held in the program information holding unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.