Patents by Inventor Ryoji Okuno

Ryoji Okuno 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: 6130997
    Abstract: A film cartridge loading apparatus adapted to a camera, including (a) a slidable cover for film cartridge loading and (b) a motor for driving the cover.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: October 10, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryoji Okuno
  • Patent number: 6085043
    Abstract: An apparatus including a switching device for switching a power transmission system between first and second states. A holding device holds the switching device at least in the first or the second state. The holding device utilizes an operation device for operating an optical device. An apparatus also for use with a performing device for performing an action relating to at least one of loading and unloading actions of an image recording medium and to a moving device for moving the medium. The latter apparatus includes a transmitting device for transmitting a driving force to the performing device and moving device and a switching device for switching the destination of the driving force.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: July 4, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryoji Okuno
  • Patent number: 6006044
    Abstract: A camera comprises a cartridge chamber for loading therein an image recording medium cartridge, an image recording medium accommodating chamber for accommodating therein an image recording medium sent out from the image recording medium cartridge, a lens barrel constituting a part of at least one wall of a wall constituting the cartridge chamber and a wall constituting the image recording medium accommodating chamber, and a positioning portion, molded integrally with a camera body, for positioning the image recording medium at a photo-taking aperture position.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: December 21, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryoji Okuno
  • Patent number: 5930537
    Abstract: A camera adapted to use an image recording medium cartridge having a cover for allowing an image recording medium to exit from or withdraw into the image recording medium cartridge. The camera includes operation unit for performing an operation related to at least one of loading and unloading of the cartridge with respect to the camera. A determination unit determines an operation state of the operation unit in accordance with a time.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: July 27, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryoji Okuno, Makoto Miyawaki
  • Patent number: 5812896
    Abstract: A camera or an apparatus adapted to use an image recording medium cartridge having an image-recording-medium entrance-exit cover, or a unit which is applicable to such camera or apparatus, includes a first circuit for performing an operation for at least one of loading and unloading of the image recording medium cartridge into and from the camera or the apparatus, and a second circuit for inhibiting an operation different from the operation for at least one of loading and unloading the image recording medium cartridge into and from the camera or the apparatus from being performed simultaneously with the operation of the first circuit, the second circuit being adapted to use an energy source provided for driving the first circuit.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: September 22, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryoji Okuno, Makoto Miyawaki
  • Patent number: 5799221
    Abstract: A camera to which a tripod is attachable has a camera body into and from which a film cartridge can be loaded and unloaded, and a cover member disposed at a bottom side of the camera body for opening and closing movement with respect to the camera body so as to load and unload the film cartridge into and from the camera body, wherein an interlocking portion for interlocking with the tripod is formed in the cover member.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: August 25, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Harushige Yamamoto, Ryoji Okuno
  • Patent number: 5732301
    Abstract: A camera is capable of forming different photographic image plane frames by causing a light blocking member which is movable in at least a photographic optical path to block part of a photographic light flux. The camera is provided with an urging member for imparting an urging force to the light blocking member, the direction of the urging force being changed when the light block member is located at a particular position in its movement course, a switching member arranged to switch its state at a point in a process in which the light blocking member moves from its maximum retracted position where the smallest amount of light flux is blocked to the particular position, and a display member for visually displaying the state of movement of the light blocking member, i.e., which of the photographic image plane frames has been formed, in accordance with the state of the switching member.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: March 24, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhiro Toyoda, Ryoji Okuno
  • Patent number: 5664249
    Abstract: A camera or an apparatus, or a device applicable to the camera or the apparatus, adapted to use a film cartridge includes a cover for a slidable cartridge loading chamber, a first part arranged to support the film cartridge when the film cartridge is placed in the cartridge loading chamber and a second part arranged to prevent the first part from hindering the sliding action of the cover.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: September 2, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryoji Okuno, Makoto Miyawaki
  • Patent number: 5612760
    Abstract: A camera, a unit or a unit adapted to the same arranged to be adapted to use an image recording medium cartridge having a cover for introducing/ejecting an image recording medium, the camera having a first unit for performing an operation of loading the cartridge into the camera or the unit and/or an operation of ejecting the cartridge from the camera or the unit, and a second unit for changing the operation of the first unit in accordance with a degree of a state where the cartridge can be used.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: March 18, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryoji Okuno
  • Patent number: D407731
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: April 6, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuhiro Morishita, Minoru Tanabe, Ryoji Okuno