For Red-eye Reduction Patents (Class 396/158)
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Patent number: 5664241Abstract: A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed, before the main flashing which is executed in synchronization with the exposure.Type: GrantFiled: September 5, 1996Date of Patent: September 2, 1997Assignee: Nikon CorporationInventors: Hachiro Kanai, Toru Fukuhara, Toshio Sosa, Norikazu Yokonuma, Masaharu Hara
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Patent number: 5659818Abstract: A camera has either a built-in flash unit or a removable attachable flash unit which is turnable between a retracted position and a projected position and which is provided with an illumination-angle varying mechanism. The camera includes a motor, disposed in a body of the camera, for driving the illumination-angle varying mechanism, and a transmission system, which transmits an output rotation of the motor to the illumination-angle varying mechanism. The transmission system includes a rotating wheel which has a central axis coincident with a turning axis of the flash unit. The flash unit may include a structure divided into at least three areas: a middle area, a first side area, and a second side area. A flash generating device is disposed in the middle area; a red-eye prevention lamp is disposed in the first side area; and a drive transmissions system for driving the illumination-angle varying mechanism is provided in the second side area.Type: GrantFiled: June 2, 1995Date of Patent: August 19, 1997Assignee: Canon Kabushiki KaishaInventors: Shoji Kaihara, Hidehiko Fukahori
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Patent number: 5640621Abstract: A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed object, before the main flashing which is executed in synchronization with the exposure.Type: GrantFiled: June 7, 1995Date of Patent: June 17, 1997Assignee: Nikon CorporationInventors: Toru Fukuhara, Toshio Sosa, Toshio Dobashi, Nobuaki Sasagaki, Masaharu Hara
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Patent number: 5634152Abstract: A camera with a built-in flash unit, provided with a flash emitting portion, includes a red-eye reducing lamp positioned close to the flash emitting portion, and a Fresnel lens positioned in front of the flash emitting portion and the red-eye reducing lamp. Furthermore, the camera includes a protruding portion, which is positioned close to the flash emitting portion and the red-eye reducing lamp and is adapted to be contacted by the finger of the camera-holding hand. Owing to such contact, the photographer is warned as to the improper positioning of his finger, so that the flash emitting portion and the red-eye reducing lamp can be protected from being carelessly covered during the phototaking operation.Type: GrantFiled: January 2, 1996Date of Patent: May 27, 1997Assignee: Nikon CorporationInventors: Minoru Kato, Hiroshi Wakabayashi, Kiyosada Machida
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Patent number: 5630182Abstract: A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed, before the main flashing which is executed in synchronization with the exposure.Type: GrantFiled: September 16, 1996Date of Patent: May 13, 1997Assignee: Nikon CorporationInventors: Toru Fukuhara, Toshio Sosa, Toshio Dobashi, Nobuaki Sasagaki, Masaharu Hara
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Patent number: 5598246Abstract: A camera capable of reducing image blur according to the present invention comprises a vibration detection device that detects the quantity of camera vibration, an image blur reducing device that, based upon the detection output from the vibration detection device, electrically drives an image blur reducing optical system in a direction different from the direction of the optical axis in order to reduce blurring of the photographic image, a flash photographing device that, when flash photographing conditions are present, performs photographing by emitting an illuminating light to illuminate the photographic subject, a pre-light emission device that, prior to flash photographing, performs pre-light emission in order to reduce the red eye phenomenon and a control device that, when flash photographing conditions are present, causes the image blur reducing device and the flash photographing device to operate after the pre-light emission by the pre-light emission device is completed.Type: GrantFiled: December 12, 1995Date of Patent: January 28, 1997Assignee: Nikon CorporationInventors: Hidenori Miyamoto, Tatsuo Amanuma, Toshiyuki Nakamura
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Patent number: 5579082Abstract: A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed, before the main flashing which is executed in synchronization with the exposure.Type: GrantFiled: June 7, 1995Date of Patent: November 26, 1996Assignee: Nikon CorporationInventors: Norikazu Yokonuma, Toshio Sosa, Toru Fukuhara, Toshio Dobashi, Nobuaki Sasagaki
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Patent number: 5563679Abstract: A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may to occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed before the main flashing which is executed in synchronization with the exposure.Type: GrantFiled: June 7, 1995Date of Patent: October 8, 1996Assignee: Nikon CorporationInventors: Toshio Dobashi, Nobuaki Sasagaki, Masaharuo Hara, Norikazu Yokonuma, Toshio Sosa