Patents by Inventor Toshimasa Ohtsuki

Toshimasa Ohtsuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7082161
    Abstract: A television/cinema scheme identification apparatus comprising a signal common processing section which acquires a field correlation pattern, a first pull-down identifying section which acquires an identification output of a first type pull-down scheme, and a second pull-down identifying section which acquires an identification output of a second type pull-down scheme, wherein the field correlation pattern is set identical in data length to the first and second comparison patterns with which the field correlation pattern is compared, and the first and second comparison patterns have a data length such that a mutually exclusive pattern relationship between the first and second comparison patterns is established.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: July 25, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masatoshi Sumiyoshi, Kazuyuki Kazama, Toshimasa Ohtsuki
  • Publication number: 20050078213
    Abstract: A television/cinema scheme identification apparatus comprising a signal common processing section which acquires a field correlation pattern, a first pull-down identifying section which acquires an identification output of a first type pull-down scheme, and a second pull-down identifying section which acquires an identification output of a second type pull-down scheme, wherein the field correlation pattern is set identical in data length to the first and second comparison patterns with which the field correlation pattern is compared, and the first and second comparison patterns have a data length such that a mutually exclusive pattern relationship between the first and second comparison patterns is established.
    Type: Application
    Filed: August 17, 2004
    Publication date: April 14, 2005
    Inventors: Masatoshi Sumiyoshi, Kazuyuki Kazama, Toshimasa Ohtsuki
  • Patent number: 4847679
    Abstract: A digital chroma signal processing apparatus wherein control signals represent the burst period, the image period and the remaining period of a digital chrominance signal. A multiplier receives a selected one of an ACC signal and the chrominance signal, multiplies it with a second signal and outputs the resultant produced. A matrix coefficient section includes a generator to generate a plurality of matrix coefficients; a cyclic arrangement of dynamic shift registers to store selected matrix coefficients; and a multiplexer to input to the dynamic shift registers, in accordance with the control signal, a selected one of the product signal and the output signal of the dynamic shift registers. The second signal is generated by a selection between the ACC signal and the output signal of the shift registers. The resultant chrominance signal processing circuit is thus controlled by a small number of simple control signals.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: July 11, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Toshimasa Ohtsuki