Patents by Inventor Kazuhiko Yukawa

Kazuhiko Yukawa 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: 5758210
    Abstract: A camera includes a CCD line sensor divided into a plurality of blocks and a plurality of monitors provided near each of the divided blocks and sensing the amount of received light corresponding to each block. The storage of charge in each block of the CCD is controlled based on the amount of the light received by the monitor. Each block corresponds to each part of an object in a finder of the camera.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: May 26, 1998
    Assignee: Minolta Co., Ltd.
    Inventors: Masataka Hamada, Kazuhiko Yukawa, Tokuji Ishida, Toshio Norita
  • Patent number: 5752101
    Abstract: In a flash light amount control device capable of operating according to multiple methods, the flash light control method alternates according to the detected AF mode setting, the camera panning status, or the reliability of the detected object distance. For example, if AF lock is on, control is performed by flash light adjustment, but if AF lock is not on, control is performed by flashmatic. If panning is performed after AF lock, the method of control alternates between flash light adjustment and flashmatic in response to the amount of panning movement.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: May 12, 1998
    Assignee: Minolta Co., Ltd.
    Inventors: Norihiko Akamatsu, Masataka Hamada, Kazuhiko Yukawa, Hiroshi Ootsuka
  • Patent number: 5731864
    Abstract: A camera includes a CCD line sensor divided into a plurality of blocks and a plurality of monitors provided near each of the divided blocks and sensing the amount of received light corresponding to each block. The storage of charge in each block of the CCD is controlled based on the amount of the light received by the monitor. Each block corresponds to each part of an object in a finder of the camera.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: March 24, 1998
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Masataka Hamada, Kazuhiko Yukawa, Tokuji Ishida, Toshio Norita
  • Patent number: 5708871
    Abstract: A camera includes a CCD line sensor divided into a plurality of blocks and a plurality of monitors provided near each Of the divided blocks and sensing the amount of received light corresponding to each block. The storage of charge in each Block of the CCD is controlled based on the amount of the light received by the monitor. Each block corresponds to each part of an object in a finder of the camera.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: January 13, 1998
    Assignee: Minolta Co., Ltd.
    Inventors: Masataka Hamada, Kazuhiko Yukawa, Tokuji Ishida, Toshio Norita, Hiroshi Ueda
  • Patent number: 5687404
    Abstract: A single-lens reflex camera comprises a taking lens having a zooming optical system, a finder whose angle of view is determined according to a focal length of the taking lens, and an operation member which is manually operated. In the single-lens reflex camera, the focal length of the taking lens is changed by driving the zooming optical system, and the zooming operation is controlled in response to an operation of the operation member so that the focal length of the taking lens is changed in the wide-angle direction by a predetermined amount. An angle of view corresponding to that which is seen before the focal length is changed is displayed within the finder.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: November 11, 1997
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Kenji Ishibashi, Yoshihiro Hara, Kazuhiko Yukawa, Akihiko Fujino, Yasuo Maeda, Shigeto Ohmori, Fumiaki Ishito, Hiroshi Ootsuka, Masayuki Miyazawa
  • Patent number: 5687402
    Abstract: An automatic focusing camera has a selective night view mode of photographing a scene where the brightness of a main object is lower than the brightness of a background and the brightness of the whole scene is lower than a specified value, and includes an auxiliary light emitter operable to emit an auxiliary light to the main object for focusing; a first determinator operable to determine whether an auxiliary light is necessary in the night view mode; and a controller in responsive to the first determinator to render the auxiliary light emitter emit an auxiliary light.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: November 11, 1997
    Assignee: Minolta Co., Ltd.
    Inventors: Tsuyoshi Kishimoto, Norihiko Akamatsu, Hiroshi Ueda, Masataka Hamada, Kazuhiko Yukawa
  • Patent number: 5504959
    Abstract: A brush provided on an end surface of a handle is equipped with a drive device capable of producing a reciprocating rectilinear motion in the direction of a handle axis and a reciprocating motion about the handle axis, while also producing a reciprocating motion about an axis in the direction of brush projection. The brush moves in a combination of the reciprocating rectilinear motion in the direction of the handle axis, the reciprocating motion about the handle axis, and the reciprocating motion about the axis in the direction of brush projection, and therefore scrub area increases, by virtue of the motion of the brush, the brush does not become trapped between teeth, and cleaning of the entire tooth surface is possible.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: April 9, 1996
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuhiko Yukawa, Yoji Kawamoto
  • Patent number: 5483318
    Abstract: A camera includes a CCD line sensor divided into a plurality of blocks and a plurality of monitors provided near each of the divided blocks and sensing the amount of received light corresponding to each block. The storage of charge in each block of the CCD is controlled based on the amount of the light received by the monitor. Each block corresponds to each part of an object in a finder of the camera.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: January 9, 1996
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Masataka Hamada, Kazuhiko Yukawa, Tokuji Ishida, Toshio Norita, Hiroshi Ueda
  • Patent number: 5386262
    Abstract: A single-lens reflex camera comprises a taking lens having a zooming optical system, a finder whose angle of view is determined according to a focal length of the taking lens, and an operation member which is manually operated. In the single-lens reflex camera, the focal length of the taking lens is changed by driving the zooming optical system, and the zooming operation is controlled in response to an operation of the operation member so that the focal length of the taking lens is changed in the wide-angle direction by a predetermined amount. An angle of view corresponding to that which is seen before the focal length is changed is displayed within the finder.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: January 31, 1995
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Kenji Ishibashi, Yoshihiro Hara, Kazuhiko Yukawa, Akihiko Fujino, Yasuo Maeda, Shigeto Ohmori, Fumiaki Ishito, Hiroshi Ootsuka, Masayuki Miyazawa
  • Patent number: 4651446
    Abstract: An electronic pedometer for use on a footwear is disclosed. The pedometer comprises a step sensor and an electric counter connected thereto, both mounted on the instep of the footwear. The step sensor senses a flexing motion that the instep of the footwear undergoes each time of the user just kicks the ground with the footwear and provides upon sensing such motion an output indicative of each step taken by the user. An electronic counter has therein electric components forming a computing circuit which receives the outputs from the sensor to compute based thereupon the number of steps taken and the distance covered, the resulting measurements being visually indicated on a display section of the counter. The sensor and the counter is connected by means of a resilient band by the utilization of which they are secured or mounted on the instep of the footwear.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: March 24, 1987
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuhiko Yukawa, Isao Tasaka, Yukio Yamamura
  • Patent number: 4649552
    Abstract: An electronic pedometer for use on a footwear is disclosed. The pedometer comprises a step sensor carried by the footwear for sensing each step that the user takes to provide an output indicative thereof. Connected to the sensor is a mount base which is secured to the footwear and has thereon a first terminal electrically connected to the step sensor. A counter, which is detachably mounted on the mount base, has therein various electronic components forming a computing circuit and includes a display section. The counter is provided with a second terminal which comes into electrical connection with the first terminal on the mount base when mounted thereon so that the computing circuit receives the outputs from the sensor to compute based thereupon the number of steps taken and the distance travelled by the user. The resulting measurements of the computing circuit are visually indicated on the display section of the counter.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: March 10, 1987
    Assignee: Matsushita Electric Works, Ltd.
    Inventor: Kazuhiko Yukawa