Patents Represented by Law Firm Jackson, Jones & Price
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Patent number: 4487472Abstract: The present invention includes a rotable disk type of hologram which deflects an incident light beam such as a laser into an intermediate scanning path of a curvilinear configuration. An extended prism provides a variable incident angle surface for refracting the incident curvilinear configuration into substantially a linear scan path on an object surface.Type: GrantFiled: July 2, 1982Date of Patent: December 11, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Eiji Asano
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Patent number: 4485336Abstract: In an electronic flash device for use in a still camera, a calculation circuit means calculates a ratio of the amounts of light to be emitted by a plurality of flash light tubes on the basis of color temperature information and control circuit means controls the emission of light of the respective flash light tubes in such a manner that the ratio of light amount emitted from the respective flash light tubes corresponds to the ratio calculated by the calculation circuit means.Type: GrantFiled: March 1, 1983Date of Patent: November 27, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Ichiro Yoshiyama, Yoshio Yuasa, Nobuyuki Taniguchi, Norio Ishikawa
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Patent number: 4482256Abstract: A compact reconfigurable toy watch assembly which includes a wristband member connected to a body member having an upper body surface with a time display and a robotic humanoid head. A pair of arm members are movably attached to the body member and form either robotic arms or form with the body member a portion of the upper surface of the watch assembly. The arm members also form outer perimetrical sides of the watch assembly when moved adjacent the body member. A pair of leg members are movably attached to the body member and form either robotic legs or, when positioned in a folded configuration adjacent the body member, another portion of the upper watch assembly surface and an outer perimetrical side.Type: GrantFiled: December 2, 1983Date of Patent: November 13, 1984Assignee: Takaro Co., Ltd.Inventor: Takashi Matsuda
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Patent number: 4482978Abstract: In an instrument such as an electronic desk-top or pocket calculator, an exposure meter or the like, having a plurality of data-inputting switches in the form of a pushbutton switch, key switch, pressure or touch sensor switch, a control switch is provided for preventing inadvertent change of data stored or registered in the instrument. To this end, gates are interposed between the data inputting switches and a data storage member in the instrument. The instrument could alternatively include a microcomputer programmed to change its stored data in response to the operation of the input switches and to be prevented from changing the data upon operation of the control switch.Type: GrantFiled: August 25, 1981Date of Patent: November 13, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Yoshio Yuasa, Kazuhiko Naruse, Nobukazu Kawagoe
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Patent number: 4482895Abstract: A remote controlling apparatus comprising a transmitter including a pulse generating circuit the output of which is a plurality of pulses of radiant energy having an envelope of a selected pulse width and a selected pulse interval and a receiver including an envelope detection circuit, the output of which is a plurality of pulses each having the selected pulse width and having the selected pulse interval of the transmitted radiant energy, concidence pulse generating means for generating coincidence pulses responsive to transitions in the output pulses from the envelope detection circuit, with one such coincidence pulse being generated at a selected time after a transition in each such output pulse and one being generated in coincidence with a transition in each such output pulse, the selected time being selected such that coincidence of the generated coincidence pulses will only occur when the output of the envelope detection circuit has a selected pulse width, and coincidence detection coupled to a triggerinType: GrantFiled: April 5, 1982Date of Patent: November 13, 1984Assignee: Wein Products, Inc.Inventor: Stanley Weinberg
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Patent number: 4482797Abstract: An improved welding torch which includes a contact member constituted by a power feeding member having a through-opening for passing a consumable electrode wire and a support member for supporting the power feeding member, an electrode wire guide member covered, at least at its forward end portion, by the contact member, with at least the forward end portion of the guide member and the contact member being arranged to be movable with respect to each other in direction intersecting generally at right angles with an axis of the electrode wire, and a pressure member for relatively urging the contact member and the guide member for holding the electrode wire.Type: GrantFiled: July 8, 1982Date of Patent: November 13, 1984Assignees: Osaka Transformer Co., Ltd., Toyota Jidosha KabushikiInventors: Kousuke Shiramizu, Yoshiro Awano, Hiroyuki Takeyama, Kenji Sakakibara, Hiroji Okada, Hiromu Yamagami
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Patent number: 4480896Abstract: An improved soft focus optical filter is provided and comprises a plurality of effective filter areas on a transparent substrate. The filter areas are designed specifically to modify the modulation transfer function of the filter so that a selective soft focus effect is achieved only for transmitted green light.Type: GrantFiled: January 18, 1982Date of Patent: November 6, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Souichi Kubo, Yukio Okano
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Patent number: 4478504Abstract: Disclosed herein is an electrostatic recording apparatus which comprises:a fluorescence generation tube having a plurality of small-sized light emission segments aligned on a substrate;an image-forming optical system for focusing light emitted from said light emission segments on the surface of a photosensitive member and forming an electrostatic image on said surface of the photosensitive member; anda plurality of driving circuits for controlling light emission of the light emission segments in response to image signals fed thereto.Type: GrantFiled: December 20, 1982Date of Patent: October 23, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Atsuyuki Tanaka
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Patent number: 4478502Abstract: An aperture size control device for use in a still camera includes an aperture stop device which can change its aperture size rapidly in response to a drive circuit during a single exposure cycle. A control device is connected to the drive circuit for controlling the aperture size to a first size with no change in the brightness of an object to be photographed and to a second size when the brightness of the object changes due to, e.g., the emission of flash light during the exposure period. The aperture size can return to the first aperture size after the completion of the emission of the flash light during the same exposure period.Type: GrantFiled: September 27, 1982Date of Patent: October 23, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Masaaki Nakai
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Patent number: 4478573Abstract: A furnace for heating pipes each having an upset portion at least at one of its opposite ends includes a housing defining a heating chamber filled with high temperature gas, and a conveying apparatus for sequentially conveying the pipes in the housing in a direction perpendicular to an axial direction of the pipes. A blowing device is provided on one side of a path of the upset portion, and a waving plate is provided on the other side of the path, whereby the upset portion, when passing through a space between the blowing device and the plate, is heated locally by the high temperature gas blown out from the blowing device and also by the reflected high temperature gas and radiant heat from the plate.Type: GrantFiled: January 10, 1983Date of Patent: October 23, 1984Assignees: Chugai Ro Co., Ltd., Kawasaki Steel Corp.Inventors: Hideo Kitayama, Haruho Niwa
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Patent number: 4478313Abstract: An improved spring-wound prime mover provides a housing cavity that can automatically fix one end of a spring upon insertion. The gear train includes individual gears that automatically provide a first gear ratio for storing energy and a second gear ratio for releasing energy. The prime mover is assembled with a friction fitting arrangement to simplify manufacturing.Type: GrantFiled: December 29, 1980Date of Patent: October 23, 1984Assignee: Takara Co., Ltd.Inventor: Hiroshi Wakase
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Patent number: 4477164Abstract: A camera system is provided that permits memory data dedicated to particular camera accessories to be transmitted to the camera body for enabling the operation of the camera. The camera accessories can carry dedicated information or variable information to the camera body. Synchronization between the camera accessory and the camera body can be provided by a train of clock pulses. Information can be programmed in a fixed memory circuit to insure that only a particular accessory so designated will provide information to the camera body to prevent any erroneous inputting of data from a plurality of camera accessories that are contemplated for use with a particular camera body.Type: GrantFiled: December 10, 1982Date of Patent: October 16, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Masaaki Nakai, Masayoshi Sahara, Nobuyuki Taniguchi
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Patent number: 4477167Abstract: An automatic focusing camera which can drive an objective lens to a focus position includes a sensor arrangement that is capable of determining when the focusing lens is physically held or is being driven beyond its operative range. The direction of movement can be stored in memory when the motor is de-energized and a comparison can be made with a new focusing signal on a different object to reactivate the focusing system. Additionally, any friction binding of the gear train can be automatically released by a reverse driving of the motor upon determining of a jam condition.Type: GrantFiled: November 16, 1982Date of Patent: October 16, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Norio Ishikawa, Yukio Miki
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Patent number: 4477163Abstract: A film transporting device for use in a camera disclosed is so designed as to rewind the film such that no film portion is engaged in film take-up sprocket, resulting in an easy take out of the used film. The device in one form includes a counter that counts up the number of frames during a wind-up operation is carried out after the positioning of a film leader in contact with the take-up sprocket, and during a rewind operation, the counter counts down the same number of frames, or more, to locate the film leader in a disengaged position from the sprocket. The device in another form includes a film perforation detector. In this form, the film rewind operation is carried out until the perforation detector stops detecting the perforation. In a further form, the device includes a mechanical counter which counts up the frames used during wind-up operation, and during rewind operation counts down more than the number counted up to ensure that the film leader portion is withdrawn from the take-up sprocket.Type: GrantFiled: October 19, 1982Date of Patent: October 16, 1984Assignee: Minolta Camera Kabushiki KaishaInventors: Toshiaki Matsumoto, Nobuyuki Taniguchi
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Patent number: 4476894Abstract: A mounting for a valve to record the duration of time during which circulation under pressure passes through the valve in which a timer and a battery circuit for the timer is mounted in the valve in a removable container carrying a magnetic switch for the battery circuit and a trigger mechanism to close the switch when circulation through the valve occurs.Type: GrantFiled: June 23, 1982Date of Patent: October 16, 1984Assignee: Smith International, Inc.Inventor: Robert L. Alder
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Patent number: 4474454Abstract: A control device for operation of a copying machine includes a timer capable of counting a predetermined unit of time and being activated upon completion of a copying operation. The copying machine can be stopped upon the elapse of the predetermined unit of time. Paper detection sensors are provided for determining the presence of copy paper in the transportation paper supply passageway, and upon such detecting the copying machine continues to ensure that any paper in the paper transportation system of the copying machine will be removed. If after a second elapse of time, copy paper is still detected, a jam signal can then be provided to the operator.Type: GrantFiled: August 18, 1982Date of Patent: October 2, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Masamichi Sugiura
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Patent number: 4474459Abstract: An optical projection system of unit magnification for transmitting a real erect image of an object from an object plane to an image plane, comprises a plurality of lenses having parallel optical axes and being arranged in one or more rows. Each lens comprises three or four lens elements arranged along a common optical path extending between the object and image planes, and includes at least two aperture masks which subtend light rays from the axial and off-axis object points in the object plane. These aperture masks are arranged in positions where the image-forming pencil of light rays passing through the lens has a relatively large cross-section.Type: GrantFiled: January 19, 1983Date of Patent: October 2, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Hisashi Tokumaru
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Patent number: 4473724Abstract: An improved arrangement for controlling one or more movable element such as seats and side windows mounted in an automobile and the like, which includes a switch holding means having switch holding faces and control switches mounted on the switch holding faces. Each control switch has an operation knob so arranged as to be operated in the directions respectively corresponding to a direction of the respective movement of the movable element. Therefore, it is very easy for a user to operate correctly the control switches without being confused at selection of switch operations.Type: GrantFiled: July 30, 1982Date of Patent: September 25, 1984Assignee: Kabushiki Kaisha Tokai Rika Denki SeisakushoInventor: Masaru Suzuki
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Patent number: 4473743Abstract: A motor drive lens shifting system includes a picture taking lens, a drive device for driving the lens, a light receiving element for receiving light which has passed through the lens and forming an image thereon, a focus condition detector for detecting the focus condition of the image whether it is front-focus, in-focus or rear-focus, and a control device for controlling the drive device relatively to the detected focus condition such that the drive device first shifts the lens in a wide pitch to roughly adjust the lens position, and then, in a small pitch in steps to precisely adjust the lens position. The steps become gradually small in the manner of geometric progression.Type: GrantFiled: May 13, 1982Date of Patent: September 25, 1984Assignee: Minolta Camera Kabushiki KaishaInventor: Norio Ishikawa
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Patent number: D276539Type: GrantFiled: January 6, 1982Date of Patent: November 27, 1984Assignee: Smith EngineeringInventors: Jay Smith, III, Moto Shimano