Patents by Inventor Toshihiko Hirota
Toshihiko Hirota 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).
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Patent number: 11212445Abstract: Provided is a camera shake correction device including a first yoke plate, a second yoke plate that is opposed to the first yoke plate, a slider located between the first yoke plate and the second yoke plate, and slidable while supporting an image sensor, a magnet supported by the first yoke plate and configured to form a magnet circuit between the magnet and the second yoke plate, a driving coil fixed to the slider and configured to generate a driving force that slides the slider, a non-magnetic sheet provided between the magnet and the slider, and a magnetic fluid provided between the magnet and the non-magnetic sheet.Type: GrantFiled: July 11, 2018Date of Patent: December 28, 2021Assignee: Sony CorporationInventors: Yuichi Ishida, Masayuki Yoshii, Toshihiko Hirota
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Publication number: 20200244887Abstract: Provided is a camera shake correction device including a first yoke plate, a second yoke plate that is opposed to the first yoke plate, a slider located between the first yoke plate and the second yoke plate, and slidable while supporting an image sensor, a magnet supported by the first yoke plate and configured to form a magnet circuit between the magnet and the second yoke plate, a driving coil fixed to the slider and configured to generate a driving force that slides the slider, a non-magnetic sheet provided between the magnet and the slider, and a magnetic fluid provided between the magnet and the non-magnetic sheet.Type: ApplicationFiled: July 11, 2018Publication date: July 30, 2020Inventors: Yuichi ISHIDA, Masayuki YOSHII, Toshihiko HIROTA
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Patent number: 7576778Abstract: A camera with shake correction mechanism according to the invention comprises: an image pickup device for picking up object light; shake detecting device for detecting a shake exerted to a camera body; a shake correction unit provided with a driving section for exerting a swing force for swinging the image pickup device in a direction perpendicular to the optical axis; a control board on which electronic components are mounted; and a flexible wiring member for electrically connecting the shake correction unit to the control board, wherein the shake correction unit and the control board are arranged at adjacent positions to each other in a direction of almost the same plane, while in an adjacent part of the two elements, a space part is set up that can accommodate the flexible wiring member in a bent state.Type: GrantFiled: September 2, 2005Date of Patent: August 18, 2009Assignee: Konica Minolta Photo Imaging, Inc.Inventors: Toshihiko Hirota, Mitsuhiro Sugita, Yoshiharu Tanaka
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Patent number: 7471886Abstract: A camera casing 100 accommodates therein a shake correction unit 2 for oscillatingly supporting an image sensor 20, a control circuit board 6 loaded with electronic components such as ASIC 61 and a driving control circuit 62, and a viewfinder section 7 for allowing a user to confirm a field to be photographed. The shake correction unit 2, the control circuit board 6, and the viewfinder section 7 are arranged in proximity to each other on planes substantially identical to each other. The shake correction unit 2 has a first driving unit 3a arranged on the side of a side portion 20b of the image sensor 20 to apply an oscillating force to the image sensor 20 to oscillate the image sensor 20 in a first direction (pitch direction shown by the arrows p in FIG.Type: GrantFiled: August 24, 2005Date of Patent: December 30, 2008Assignee: Konica Minolta Photo Imaging, Inc.Inventors: Toshihiko Hirota, Yoshiharu Tanaka
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Patent number: 7324748Abstract: The size of the opening 1094a of the shutter base plate 1094 is set, considering driving amounts of the image sensor 101 and the low pass filter 108 during shake correction, so that the size of the opening 1094a in X-axis direction (Y-axis direction) is set equal to or larger than the sum of the size of the low pass filter 108 and the maximum moving amount of the low pass filter 108 in the X-axis direction (Y-axis direction).Type: GrantFiled: September 2, 2005Date of Patent: January 29, 2008Assignee: Konica Minolta Photo Imaging Inc.Inventors: Wataru Abe, Yoshiharu Tanaka, Toshihiko Hirota
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Publication number: 20070047936Abstract: An image sensing apparatus e.g. a digital camera includes an optical path splitter for splitting a flux of light from an object guided through a photographing optical system into optical paths; an image sensor for photoelectrically converting the light passing along a first optical path of the optical paths; a driver for driving the image sensor on a plane intersecting with an optical axis of the photographing optical system; a shake detector for detecting a shake given to the image sensing apparatus; a driver controller for controlling the driver to drive the image sensor based on an output from the shake detector to correct an image blur of an object light image captured on a light receiving plane of the image sensor; an anti-shake optical system disposed on a second optical path different from the first optical path of the optical paths; and a mechanical linking mechanism for enabling driving of the anti-shake optical system in association with the driving of the image sensor by the driver.Type: ApplicationFiled: August 28, 2006Publication date: March 1, 2007Inventor: Toshihiko Hirota
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Publication number: 20060056829Abstract: A camera casing 100 accommodates therein a shake correction unit 2 for oscillatingly supporting an image sensor 20, a control circuit board 6 loaded with electronic components such as ASIC 61 and a driving control circuit 62, and a viewfinder section 7 for allowing a user to confirm a field to be photographed. The shake correction unit 2, the control circuit board 6, and the viewfinder section 7 are arranged in proximity to each other on planes substantially identical to each other. The shake correction unit 2 has a first driving unit 3a arranged on the side of a side portion 20b of the image sensor 20 to apply an oscillating force to the image sensor 20 to oscillate the image sensor 20 in a first direction (pitch direction shown by the arrows p in FIG.Type: ApplicationFiled: August 24, 2005Publication date: March 16, 2006Inventors: Toshihiko Hirota, Yoshiharu Tanaka
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Publication number: 20060055787Abstract: A camera with shake correction mechanism according to the invention comprises: an image pickup device for picking up object light; shake detecting device for detecting a shake exerted to a camera body; a shake correction unit provided with a driving section for exerting a swing force for swinging the image pickup device in a direction perpendicular to the optical axis; a control board on which electronic components are mounted; and a flexible wiring member for electrically connecting the shake correction unit to the control board, wherein the shake correction unit and the control board are arranged at adjacent positions to each other in a direction of almost the same plane, while in an adjacent part of the two elements, a space part is set up that can accommodate the flexible wiring member in a bent state.Type: ApplicationFiled: September 2, 2005Publication date: March 16, 2006Inventors: Toshihiko Hirota, Mitsuhiro Sugita, Yoshiharu Tanaka
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Publication number: 20060056839Abstract: The size of the opening 1094a of the shutter base plate 1094 is set, considering driving amounts of the image sensor 101 and the low pass filter 108 during shake correction, so that the size of the opening 1094a in X-axis direction (Y-axis direction) is set equal to or larger than the sum of the size of the low pass filter 108 and the maximum moving amount of the low pass filter 108 in the X-axis direction (Y-axis direction).Type: ApplicationFiled: September 2, 2005Publication date: March 16, 2006Inventors: Wataru Abe, Yoshiharu Tanaka, Toshihiko Hirota
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Publication number: 20050207747Abstract: An imaging apparatus according to the present invention comprises an imaging unit 11 on which a subject image entered in an imaging optical path is focused; a grip portion 4 to be held when imaging operation; a driven unit 10 which is disposed substantially in the vicinity of the imaging unit 11 and conducts a part of imaging operation of the imaging apparatus; and a driving unit 12 which drives the driven unit 10, a part of the driving unit 12 being disposed on the opposite side to the grip portion 4 with respect to the imaging optical path.Type: ApplicationFiled: July 12, 2004Publication date: September 22, 2005Inventor: Toshihiko Hirota
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Publication number: 20050207750Abstract: An image taking apparatus is provided with; an optical lens; an image sensor where a subject image formed by the optical lens is taken; and a shutter block situated between the optical lens and the image sensor, and has a shutter blade that is movable between a first position in which the taking luminous flux is intercepted within a plane orthogonal to the optical axis and a second position in which the taking luminous flux is transmitted. The shutter block is held so as to be insertable and detachable within the plane orthogonal to the optical axis.Type: ApplicationFiled: March 16, 2005Publication date: September 22, 2005Inventor: Toshihiko Hirota
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Patent number: 6220769Abstract: An apparatus comprising planet gears 3 which rotate in engagement with a pinion gear 2 that itself rotates integratedly with the rotating shaft 12a of a motor 12 such that the planet gears 3 rotate around the periphery of the rotating shaft 12a, a carrier 4 which rotates integratedly to match the rotation of the planet gears 3 while supporting the planet gears in free rotation, and a photoreflector 9 for detecting rotation by detecting a rotation detecting part comprising a reflecting surface 4a and a non-reflecting surface 4b provided on the exterior surface of the carrier 4.Type: GrantFiled: June 30, 1999Date of Patent: April 24, 2001Assignee: Minolta Co., Ltd.Inventors: Toshihiko Hirota, Kazuhiko Kojima
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Patent number: 6008954Abstract: A mechanism, for optically adjusting a deviation of image forming position, which is installed in a lens barrel, for example, of a camera. The mechanism includes a first image shake preventing afocal lens and a second image shake preventing afocal lens which are supported by a first lens frame and a second lens frames, respectively. Each frame has a shaft supporting portion generally parallel to an optical axis and a gear input portion, for swinging each frame about the shaft supporting portion, opposed to the shaft supporting portion with respect to the optical axis. The first and second lens frames move in a direction generally perpendicular to each other. Each gear input portion is driven by a driving gear which is directly fixed to an output shaft of a driving motor. The motor is installed in the direction which is parallel to the optical axis.Type: GrantFiled: August 29, 1997Date of Patent: December 28, 1999Assignee: Minolta Co., Ltd.Inventors: Dai Shintani, Toshihiko Hirota
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Patent number: 5937214Abstract: A camera capable of correcting a shake includes a shake amount detector for detecting a shake amount of an object light image on an exposure plane, a memory for storing data in connection with a shake due to operation of a shutter release member, a calculator for calculating a shake correction control value based on a shake amount detected by the shake amount detector after operation of the shutter release member and the data stored in the memory, and a controller for controlling the optical system in accordance with a calculated shake correction control value to correct the shake.Type: GrantFiled: November 26, 1997Date of Patent: August 10, 1999Assignee: Minolta Co., Ltd.Inventors: Dai Shintani, Toshihiko Hirota, Hideki Nagata