Patents by Inventor Hiroshi Ootsuka
Hiroshi Ootsuka 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: 5319413Abstract: A camera system comprises a brightness measuring circuit, a exposure line choosing circuit, an operable switch, a film driver and a film driving mode selector.The brightness measuring circuit measures brightness of a photographic scene to send a brightness value. The exposure line choosing circuit chooses one of a plurality of exposure lines in which each lines selects a combination of an aperture value and a shutter speed value at each brightness value. The film driver drives a film in either of a first mode in which the film is wound only one frame in response to the operation of the operable switch and a second mode in which the film is wound frame by frame continuously as long as the operable member is operated. The film driving mode selector selects one of the modes in accordance with the exposure line chosen by the choosing circuit.Type: GrantFiled: November 25, 1992Date of Patent: June 7, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Takehiro Katoh, Yoshihiko Azuma, Masayasu Hirano, Naohiro Kageyama, Toshihiko Ishimura, Kenji Tsuji, Hiroshi Ootsuka
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Patent number: 5291233Abstract: A camera having an auto zoom function includes: a taking lens for photographing an object; a distance measuring device for measuring a distance to the object; a magnification setting device for setting a photographing magnification for the object; and a focal length calculator for calculating a focal length of the taking lens to obtain the photographing magnification set with respect to the distance to the object. Auto zoom operation is carried out by automatic movement of the taking lens so that the focal length of the taking lens may be equal to the calculated focal length.Type: GrantFiled: January 29, 1990Date of Patent: March 1, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Takeshi Hashimoto, Masayuki Ikemura, Kazuo Kimura, Yoshiaki Hata, Kohtaro Hayashi, Hiroshi Ootsuka, Motohiro Nakanishi
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Patent number: 5285231Abstract: A camera according to the present invention comprises a taking lens whose focal length is variable. A focal length thereof is determined based on a subject distance measured by a distance measuring circuit and a relation between a subject distance and a focal length previously stored in a memory or according to a manual operation. The relation stored in the memory is changed based on a focal length determined.Type: GrantFiled: November 26, 1991Date of Patent: February 8, 1994Assignee: Minolta Camera Kabushiki KaishaInventors: Masataka Hamada, Masayuki Ueyama, Kenji Ishibashi, Hiroshi Ootsuka
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Patent number: 5274409Abstract: The present invention discloses a camera having power zooming function to execute zooming by electric power in accordance with manual operation and power focusing function to execute focusing by electric power in accordance with manual operation, in which both the power zooming and power focusing can be executed by one operation member.The operation member can be rotated and moved back and forth, and can execute power zooming responding to its rotation and power focusing responding to its movement back and forth.Type: GrantFiled: May 12, 1992Date of Patent: December 28, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Hisashi Tokumaru, Masayuki Ueyama, Yasuaki Serita, Minoru Kuwana, Hiroshi Ootsuka
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Patent number: 5270767Abstract: A camera wherein the light emitted by a subject, which has passed through a photographic optical system, is formed as an image on an area sensor, and which includes an electronic viewfinder that indicates the image of the subject based on the output from the area sensor and an apparatus that detects image shaking caused by camera shake, based on the output from the area sensor.Type: GrantFiled: December 9, 1992Date of Patent: December 14, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Masataka Hamada, Eiji Yamakawa, Hiroshi Ootsuka, Hisayuki Masumoto, Takashi Okada
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Patent number: 5266981Abstract: A camera comprises an angular velocity sensor for detecting camera-shake. The angular velocity sensor takes a certain time to be stabilized after its operation is started. When correction of camera-shake is required during the certain period, it is displayed that correction of camera-shake is not possible.As a result, a photographer using the camera with the camera-shake detection sensor refrains from photographing when correction of camera-shake is not possible.Type: GrantFiled: September 13, 1990Date of Patent: November 30, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Masataka Hamada, Hisayuki Masumoto, Takashi Okada, Hiroshi Ootsuka
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Patent number: 5264889Abstract: An apparatus has an automatic focus detection device. The automatic focus detection device detects a focus condition of a taking lens by using a plurality of detection areas. These detection areas are displayed on a finder. The plurality of detection area are displayed on the finder in a specific order according to a situation of the camera by throwing a switch designating a detection area.Type: GrantFiled: April 16, 1991Date of Patent: November 23, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tokuji Ishida, Masataka Hamada, Hiroshi Ootsuka, Hiroshi Ueda
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Patent number: 5260735Abstract: A camera system being comprised of a camera and an external device is disclosed. The external device is detachably mounted on the camera which memorizes a program or data necessary for executing a program therein.When the external device is mounted on the camera, they are connected electrically with each other and communicate therebetween in order to read a program or data memorized in the external device into a memory means provided in the camera. The camera is controlled according to the program designated by the external device.Type: GrantFiled: June 19, 1992Date of Patent: November 9, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Norio Ishikawa, Masaaki Nakai, Masayasu Hirano, Akihiko Fujino, Hiroshi Ootsuka, Takeshi Egawa, Kunio Kawamura
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Patent number: 5258799Abstract: An auto focus camera includes a usual zoom lens and provides a pseudo focal length mode, in which the size of focus condition detecting area, to the photographing scene to be printed, is variable. A pseudo focal length is stored and a focus condition is detected in accordance with a ray of light passed through the zoom lens. When the camera is in such a mode as to continuously detect focus condition for keeping an object in focus, or to be operated when the contrast of the object whose focus condition is detected is low, the focal length of the zoom lens and the pseudo focal length are controlled respectively in accordance with the mode.Type: GrantFiled: March 11, 1992Date of Patent: November 2, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Junichi Tanii, Masaaki Nakai, Hiroyuki Okada, Hiroshi Ootsuka, Shigeru Wada, Kohtaro Hayashi, Hiroshi Ueda
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Patent number: 5258802Abstract: A camera system comprises an operation member provided in an interchangeable lens adapted to be manually operated; signal sending circuit for sending a signal in response to the manual operation of the operation member; and a controller provided in a camera body which is adapted to switch between an operative state where a predetermined operation is executed and a halt state where the controller is halted after completion of the predetermined operation. The controller switches from the halt state to the operative state in response to the signal from the signal sending circuit to execute the predetermined operation. According to the camera system, since the system controller in the camera body is actuated in response to the operation of the operation member on the lens side, a camera which can substantially instantaneously respond to a request on the lens side can be realized.Type: GrantFiled: October 7, 1992Date of Patent: November 2, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tetsuya Arimoto, Minoru Kuwana, Kenji Ishibashi, Yasuaki Serita, Masayuki Ueyama, Hiroshi Ootsuka, Hisashi Tokumaru
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Patent number: 5245379Abstract: A camera system including interchangeable lenses each having a switch to control many functions provided to the camera system. By simply operating one lens switch, the working mode of auto-focusing (AF) functions of the camera system can be changed: single-spot AF/multi-spot AF modes, one-shot AF/continuous AF modes, and focus-locing/non-locking modes. When used with an IC card also attached to the camera body, the lens switch can further control the functions of the camera system added or selected by the IC card.Type: GrantFiled: May 12, 1992Date of Patent: September 14, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Yoshihiko Azuma, Takehiro Katoh, Hiroshi Ootsuka, Toshihiko Ishimura, Masataka Hamada, Katsumi Kozakai, Norio Ishikawa, Masayuki Ueyama
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Patent number: 5243375Abstract: An automatic focus adjusting device detects focus condition respectively of a plurality of areas of a scene to be photographed to calculate respective focus adjusting data, and automatically adjusts the focus of an objective lens on an object in the scene based on the focus adjusting data. And the automatic focus adjusting device decides a focus adjusting data from the plurality of focus adjusting data based on an image magnification data representing the size of the object relative to the scene, a focal length of the objective lens or an object distance to automatically adjust the focus.Type: GrantFiled: July 30, 1991Date of Patent: September 7, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tokuji Ishida, Toshio Norita, Hiroshi Ootsuka
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Patent number: 5237363Abstract: The disclosure relates to the camera system comprises a photo-taking lens including a lens unit movable in direction other than parallel to an optcical axis of the photo-taking lens and a driver unit for driving the movable lens unit in the direction other thatn parallel to the optical axis of the photo-taking lens during a exposure operation. Therefore the camera system is capable of taking photography with special effect.Type: GrantFiled: May 18, 1992Date of Patent: August 17, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Takashi Okada, Hiromu Mukai, Hideo Kajita, Masatoshi Kamitani, Katsumi Kosakai, Hiroshi Ootsuka
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Patent number: 5235379Abstract: A camera system comprises a selector, an operable switch, a changing circuit and an inhibiting circuit. The selector selects one of a plurality of exposure lines. The changing circuit change as combination of the aperture value and the shutter speed value determine by both the selected exposure line and a brightness value in response to the operation of the operable switch. The inhibiting circuit inhibits the operation of changing circuit when a predetermined exposure line is selected by the selector. In the camera system, a photographer may only select the exposure mode through the operable switch in accordance with his intention and purpose in photography, and then the change of the exposure combination is inhibited in a certain exposure mode.Type: GrantFiled: May 16, 1989Date of Patent: August 10, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Takehiro Katoh, Yoshihiko Azuma, Masayasu Hirano, Naohiro Kageyama, Toshihiko Ishimura, Kenji Tsuji, Hiroshi Ootsuka
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Patent number: 5227833Abstract: An apparatus has an automatic focus detection device. The automatic focus detection device detects a focus condition of a taking lens by using a plurality of detection areas. These detection areas are displayed on a finder. The plurality of detection area are displayed on the finder in a specific order according to a situation of the camera by throwing a switch designating a detection area.Type: GrantFiled: November 7, 1991Date of Patent: July 13, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tokuji Ishida, Masatake Hamada, Hiroshi Ootsuka, Hiroshi Ueda
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Patent number: 5223886Abstract: An AF camera system for automatically controlling an objective lens for focusing an object includes a focus detector for generating a defocus data DF carrying information of a defocus amount and a defocus direction based on a focus condition of an object to be focused through an objective lens detected in a detection cycle, an infocus detector for detecting an infocus condition based on the defocus data, a lens driver for driving the objective lens based on the defocus amount and defocus direction carried in the defocus data DF when the infocus detection mean did not detect the infocus condition; and a control for controlling the focus adjustment based on defocus data and/or the detection of the infocus condition detected by the infocus detection means.Type: GrantFiled: September 9, 1991Date of Patent: June 29, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tokuji Ishida, Masataka Hamada, Jun Hasegawa, Kenji Ishibashi, Toshio Norita, Hiroshi Ootsuka
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Patent number: 5223884Abstract: A camera includes an object distance detecting device. The detected object distance can be used to calculate magnification which, in turn, can be used to determine an aperture value. The object distance detecting device can be selectively operated depending on, for example, whether flash lighting is being used.Type: GrantFiled: August 16, 1990Date of Patent: June 29, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Takehiro Katoh, Yoshihiko Azuma, Masayasu Hirano, Naohiro Kageyama, Toshihiko Ishimura, Kenji Tsuji, Hiroshi Ootsuka
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Patent number: 5220375Abstract: A camera having a blurring correction apparatus according to the present invention includes a photographic lens for forming an image of an object to be photographed, a detecting apparatus for detecting the degree of movement of the formed image of the object, a correcting apparatus operative at least during exposure time for correcting the position of the image of the object in response to a detection output of the detecting apparatus so as to compensate the movement of the image of the object, a setting apparatus for setting exposure time, a calculating apparatus for calculating the amount of movement of the image of the object produced during exposure time based on the detection output of the detecting apparatus and the set exposure time, and a prohibiting apparatus for prohibiting the operation of the correcting apparatus when the amount of movement of the image of the object produced during exposure time is smaller than a predetermined value.Type: GrantFiled: January 8, 1992Date of Patent: June 15, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Tokuji Ishida, Masataka Hamada, Eiji Yamakawa, Hiromu Mukai, Hisayuki Masumoto, Takashi Okada, Takehiro Katoh, Hiroshi Ootsuka
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Patent number: 5218442Abstract: A camera wherein the light emitted by a subject, which has passed through a photographic optical system, is formed as an image on an area sensor, and which includes an electronic viewfinder that indicates the image of the subject based on the output from the area sensor and an apparatus that detects image shaking caused by camera shake, based on the output from the area sensor.Type: GrantFiled: December 21, 1990Date of Patent: June 8, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Masataka Hamada, Eiji Yamakawa, Hiroshi Ootsuka, Hisayuki Masumoto, Takashi Okada
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Patent number: RE34453Abstract: A photographic camera having a photographic lens system freely settable to various focal lengths, an openable and closable lens cover disposed in front of the photographic lens system, an opening and closing mechanism for the lens cover, a motor for providing kinetic energy for the focal length changeover operations of the photographic lens system and also for the opening and closing operations of the lens cover, and a drivable cylinder capable of transmitting the kinetic energy from the motor to the photographic lens system and to the opening and closing mechanism in the form of a mechanical displacement.Type: GrantFiled: February 21, 1991Date of Patent: November 23, 1993Assignee: Minolta Camera Kabushiki KaishaInventors: Masatoshi Kamitani, Manabu Inoue, Motohiro Nakanishi, Hiroshi Ootsuka, Yoshinobu Kudo, Yoshiaki Hata