Patents by Inventor Toshio Kitaoka
Toshio Kitaoka 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: 7462050Abstract: Any one of the reversing portions of the flat cables is positioned in the sighting window when the inner case is in the neutral state. A prescribed mark is attached to the reversing portion which is positioned in the sighting window when the inner case is in the neutral state. Thus, it can be determined that the inner case is in the neutral state when the prescribed mark is attached to the reversing portion sighted through the sighting window.Type: GrantFiled: May 31, 2007Date of Patent: December 9, 2008Assignees: The Furukawa Electric Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Tokai Rika Denki SeisakushoInventors: Kenji Yoshimura, Hiromi Ishiyama, Noritsugu Enomoto, Toshio Kitaoka, Shigeo Nakamura, Yoshihiro Natsuda
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Publication number: 20080014775Abstract: Any one of the reversing portions of the flat cables is positioned in the sighting window when the inner case is in the neutral state. A prescribed mark is attached to the reversing portion which is positioned in the sighting window when the inner case is in the neutral state. Thus, it can be determined that the inner case is in the neutral state when the prescribed mark is attached to the reversing portion sighted through the sighting window.Type: ApplicationFiled: May 31, 2007Publication date: January 17, 2008Applicants: The Furukawa Electric Co, Ltd., TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Kenji YOSHIMURA, Hiromi Ishiyama, Noritsugu Enomoto, Toshio Kitaoka, Shigeo Nakamura, Yoshihiro Natsuda
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Patent number: 6008552Abstract: A linear drive device provided with a magnetic sensor which is movable together with a movable piece for reading magnetic information of a position sensing magnetized portion on a stator, and a magnetic shield member for shielding the magnetic sensor from a magnetic flux applied by a drive magnetized portion on the stator. A linear drive device provided with a first sensor for sensing a variation in magnetic polarity of a field magnet on a stator, and a second sensor for reading information on an encoder scale, the first and second sensors being arranged at positions in a region around the stator except for a region above the upper surface of the stator.Type: GrantFiled: December 30, 1997Date of Patent: December 28, 1999Assignee: Minolta Co., Ltd.Inventors: Mitsutoshi Yagoto, Katsuhiro Nanba, Masamitsu Ishiyama, Toshio Kitaoka
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Patent number: 5990583Abstract: An image reading apparatus comprising a fluorescent lamp for lighting an original document; an inverter circuit for turning on the lamp; a plurality of optical part carrying sliders carrying the lamp on one of the sliders; and a magnetic encoder including a magnetism detecting element, wherein the detecting element and the inverter circuit (and an operation panel having a LCD) are spaced from each other and are located at opposite sides of a center of a travel region of the sliders.A shaft-type linear motor comprising a yoke stationarily arranged along the moving direction of a movable piece and made of a ferromagnetic material.A shaft-type linear motor comprising a shaft-type stator and a movable piece reciprocatable along the stator, wherein the stator and the movable piece are covered with a protection cover. The cover may be made of a ferromagnetic material.Type: GrantFiled: November 9, 1998Date of Patent: November 23, 1999Assignee: Minolta Co. , Ltd.Inventors: Katsuhiro Nanba, Toshio Kitaoka, Mitsutoshi Yagoto
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Patent number: 5955798Abstract: A linear motor including a stator having a drive field magnet extending in a uniform direction, a movable piece including an armature coil opposed to the field magnet, and a carrying member carrying a predetermined portion of the stator, wherein the stator is provided with predetermined magnetic poles for driving the movable piece only at a range in which a change in the magnetic field by the influence of the carrying member is prevented or suppressed.Type: GrantFiled: March 28, 1996Date of Patent: September 21, 1999Assignee: Minolta Co., Ltd.Inventors: Masamitsu Ishiyama, Makoto Izawa, Toshio Kitaoka, Yasuhiro Matsumoto, Mitsutoshi Yagoto
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Patent number: 5913091Abstract: An image reading apparatus includes one or more sliders which carry optical parts and can linearly reciprocate in a predetermined direction. The apparatus optically scans and thereby reads an image on an original document located at a predetermined position. The image reading apparatus includes a magnetic encoder for detecting positions of the sliders.Type: GrantFiled: May 21, 1997Date of Patent: June 15, 1999Assignee: Minolta Co., Ltd.Inventors: Katsuhiro Nanba, Toshio Kitaoka, Mitsutoshi Yagoto, Toshikazu Suzuki
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Patent number: 5909066Abstract: A linear motor includes a rod-like stator having a field magnet, and a movable piece having an armature coil fitted around the field magnet and arranged inside a cylindrical movable piece yoke. The movable piece is provided at its opposite ends with bearings. The armature coil is arranged between the bearings. The cylindrical movable piece yoke is provided at ends of a lower portion in the gravity direction with projections extending in the movable piece moving direction.Type: GrantFiled: March 29, 1996Date of Patent: June 1, 1999Assignee: Minolta Co., Ltd.Inventors: Katsuhiro Nanba, Masamitsu Ishiyama, Tetsuya Kagawa, Mitsutoshi Yagoto, Makoto Izawa, Toshio Kitaoka, Yasuhiro Matsumoto
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Patent number: 5872407Abstract: A linear motor has a stator and a movable piece. The stator has a field magnet for propulsion. The movable piece has a bobbin which includes a cylindrical member wrapping around the stator, an armature coil which is located around the bobbin, and a yoke which is attached around the armature coil. A groove is formed on the cylindrical member. At the bottom of the groove, a sensor is arranged for detecting the strength of the magnetic field from the field magnet.Type: GrantFiled: March 29, 1996Date of Patent: February 16, 1999Assignee: Minolta Co., Ltd.Inventors: Toshio Kitaoka, Makato Izawa, Yasuhiro Matsumoto, Katsuhiro Nanba
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Patent number: 5796186Abstract: A single sided servo apparatus comprises a linear motor and a longitudinal carriage which is connected to the linear motor at one end thereof. The linear motor comprises a stator including field magnets arranged linearly and a movable piece including armature coils. The field magnets have a trapezoid-like magnetic flux distribution. An arrangement pattern of the field magnets has a relative tilted angle to an arrangement pattern of the armature coils, so that a free end of the carriage precedes the other end thereof connected to the linear motor. Then, the thrust has a small variation and generates a stable thrust of the servo apparatus.Type: GrantFiled: March 29, 1996Date of Patent: August 18, 1998Assignee: Minolta Co., Ltd.Inventors: Katsuhiro Nanba, Mitsutoshi Yagoto, Masamitsu Ishiyama, Makoto Izawa, Toshio Kitaoka, Yasuhiro Matsumoto