Movie copy protection
US8243252B2 · kind B2 · utility
0Cited by
26References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 31, 2011 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Mar 17, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91392
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for frustrating piracy of a movie, the movie including a plurality of filmed frames, each of the filmed frames including an image, the method including editing the movie prior to projection such that different regions of the image of one of the filmed frames are in different frames so that the different regions will be projected at different times, and repeating the editing for other ones of the filmed frames. Related apparatus and methods are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.