Patents Examined by Tommy P. Ohin
  • Patent number: 6009236
    Abstract: A digital video signal record and playback device for recording on a recording medium a digital video signal coded by using a motion compensation prediction and an orthogonal transform and playing back data from the recording medium. In a data arrangement of a digital video signal, an I picture which can be independently represented in a picture is divided into n areas in the vertical direction, and the data is arranged from the front of one GOP in the unit of area by giving a priority to an area located at the center of the screen. A playback picture is outputted by playing back the I picture read from the recording medium in the unit of area unit. In the case where the whole I picture area cannot be read within a definite time, the area which cannot be read are interpolated by the use of the data of the preceding screen.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: December 28, 1999
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hidetoshi Mishima, Yoshinori Asamura, Yoshiko Hatano, Shuji Sotoda, Satoshi Kurahashi, Takahiro Nakai, Tadashi Kasezawa, Masato Nagasawa, Hiroyuki Oohata, Yoshinobu Ishida