Process for viewing a positive motion picture film scene image with integral audio soundtrack
US6317191A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B27/322
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for viewing a positive motion picture film scene image with an accompanying original audio soundtrack comprising: providing a motion picture origination negative film comprising a support bearing at least one light sensitive image recording layer and a transparent magnetic recording layer; optically recording a motion picture scene in the motion picture negative film by exposing the film in a motion picture camera, and simultaneously recording contemporaneous original audio information in the magnetic recording layer on a frame-by-frame basis in synchronization with the scene image; providing a motion picture print film comprising a support bearing at least one light sensitive image recording layer and a transparent magnetic recording layer; printing the negative film scene image onto the motion picture print film to form a positive scene image, and transferring the original audio information from the magnetic recording layer of the negative film to the magnetic recording layer of the print film in synchronization with the printed scene image, and projecting the print film scene image for viewing while simultaneously reading and playing back the original audio information…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.