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Method of transfer of film to video and system therefor

  • US 4,901,161 A
  • Filed: 12/10/1987
  • Issued: 02/13/1990
  • Est. Priority Date: 12/23/1986
  • Status: Expired due to Fees
First Claim
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1. An improved process of transferring film images to video or conversion of video containing images from film previously transferred to video for the affecting thereof and the recording thereof to a master recording at a real time rate, the process comprising the steps of:

  • (a) transferring film images to video or recording video carrying the film images previously recorded to it to video in a 1;

    1 frame of film images to frame of video ratio where one frame of film, or one frame of film previously transferred to video as the case may be, corresponds to one frame of video;

    (b) affecting the film images on the video;

    (c) transferring the video to a master recording suitable for play at a real time rate by simulating the 3;

    2 pull down by recording the fields of the video to the fields of the master in the following sequence, either;

    (i) two fields of the video recorded on two fields of the master, then the next two fields of the video recorded on the next three fields of the master, then the next two fields of the video recorded on the next two fields of the master, then the next two fields of the video on the next three fields of the master and so on;

    or(ii) two fields of the video recorded on three fields of the master, then the next two fields of the video recorded on the next two fields of the master, then the next two fields of the video recorded on the next three fields of the master, then the next two fields of the video recorded on the next two fields of the master and so on;

    maintaining throughout the 3;

    2 "pull-down" the same sequence of transfer.

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