Patents by Inventor Akihiko Koeda

Akihiko Koeda 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).

  • Digital camera and power supply control thereof
    Patent number: 7324153
    Abstract: A digital camera, in which power supply to a display screen constituted by an LCD is ON/OFF-controlled, is disclosed. When drive power is supplied to the LCD, an object image is displayed on the LCD based on image data obtained by image pickup, and the LCD is used as a viewfinder in photographing. At this time, when a period, in which the level of the brightness of the object image expressed by a luminance signal of the image data is less than a predetermined level, continues for a predetermined period or longer, the supply of the drive power to a display system including the LCD is controlled to stop the supply of the drive power and save power consumption.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: January 29, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Akihiko Koeda, Michihiro Miyake
  • Digital camera and power supply control thereof
    Publication number: 20040032522
    Abstract: A digital camera, in which power supply to a display screen constituted by an LCD is ON/OFF-controlled, is disclosed. When drive power is supplied to the LCD, an object image is displayed on the LCD based on image data obtained by image pickup, and the LCD is used as a viewfinder in photographing. At this time, when a period, in which the level of the brightness of the object image expressed by a luminance signal of the image data is less than a predetermined level, continues for a predetermined period or longer, the supply of the drive power to a display system including the LCD is controlled to stop the supply of the drive power and save power consumption.
    Type: Application
    Filed: August 14, 2003
    Publication date: February 19, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Akihiko Koeda, Michihiro Miyake