Patents by Inventor Shinya Ichimura

Shinya Ichimura 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).

  • Video signal recording-reproduction apparatus
    Patent number: 4318143
    Abstract: A two-head helical scan type video tape recorder comprises two rotary heads having different gap widths each larger than the pitch of the recording gap. The track widths of the two heads are set at 5/4.multidot.T and 3/2.multidot.T respectively where T is the pitch of the tracks recorded on the magnetic tape. This configuration provides a compatibility with a video tape recorder of helical scan type in which each gap width of the two heads is T which is equal to the track pitch T.
    Type: Grant
    Filed: September 21, 1979
    Date of Patent: March 2, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Kubota, Shinya Ichimura
  • Blowers for drying video tape recorders
    Patent number: 4230932
    Abstract: A blower for drying dew produced on the tape running mechanism of a video tape recorder has an air outlet portion having a similar configuration to a tape cassette to be used therewith. The blower is, in use, inserted into a cassette holder of the recorder for loading the tape cassette in position. The blower is further provided with a heater for discharging hot air and a deflector for downwardly directing the hot air discharged.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: October 28, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Kathumi Mikamo, Shinya Ichimura, Kenichi Yamaguchi