Content using method, content using apparatus, content recording method, content recording apparatus, content providing system, content receiving method, content receiving apparatus, and content data format
US7894424B2 · kind B2 · utility
6Cited by
2References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 28, 2007 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Mar 19, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/612
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of using contents includes the steps of setting public time information and private time information, the public time information being associated with each content and defined universally for use by a large number of unspecified users, the private time being associated with the content and defined for use by a small number of particular persons, and searching for a content according to the public time information and/or the private time information and using the content detected in the searching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.