Selecting analog or digital motion picture sound tracks
US6211940A · kind A · utility
16Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1998 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | May 22, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/89
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A storage medium carries symbols representing digital information encoded in two dimensions. A method and apparatus recovers the symbols using oversampling in two dimensions and derives the information represented by the symbols. In one embodiment, the symbols are carried on motion picture film between the sprocket holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.