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7519290 |
Electronic camera
An electronic camera includes: an image sensor that captures an image of a subject and outputs image data; a projection device that projects an image based upon image data; a single mode switching...
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7343090 |
Lens-fitted photo film unit
A lens-fitted photo film unit is preloaded with a roll of photo film whose film speed is ISO3200, and has a mode selection member that is manually operated to select one of a standard photography...
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6597866 |
Camera for taking a picture in a good focus condition
A camera uses a program shutter as a shutter device. When an exposure value becomes larger than EV9, a stop of the camera is closed down so as to increase an f-number. In a case that the camera is...
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6496651 |
Method and apparatus for controlling exposure of camera
An exposure control method and apparatus for a camera having a two-area divided brightness measurement system. A central light value is determined based on a central area brightness of a...
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6006040 |
Shutter device for camera
A shatter device includes an exposure opening. Shutter blades slide in an opening direction to a maximum open position to open the exposure opening so as to provide an exposure. Then the shutter...
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5953545 |
Exposure controlling device for camera
An exposure controlling device comprises, a controlling unit that controls, at the time of an exposure, the DC motor to rotate forward to open the shutter blades and then to rotate reversely to...
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5903786 |
Function setting device for photographic device
A multi-function and high function photographic device having optional setting of only those functions desired by the photographer, thereby omitting complicated setting operations, such as the...
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5881326 |
Shutter apparatus and camera apparatus
A shutter apparatus is provided wherein openings for defining a secondary aperture are formed in respective shutter blades, such that an amount of light transmitted through the secondary aperture...
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5831676 |
Image pickup device using plural control parameters for exposure control
An image pickup device capable of exposure control utilizing the iris aperture, shutter speed and gain as three control parameters, comprising means for setting a photometry area in the image...
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RE35885 |
Photographing mode switching device of a camera
A camera capable of operation in continuous photography and one-frame photography modes has an automatically activated flash device the operation of which may be inhibited by the user when desired....
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5799215 |
Camera system
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...
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5784176 |
Method of image noise reduction processing
A method of noise reduction processing for reducing noise generated when an image of a photographic film is converted to a digital image signal includes the steps of: measuring a large area...
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5659811 |
Blur preventing device for an anticipating drive auto-focus camera
In the blur prevention mode, which prevents photographic blurring caused by the vibration of the camera body which occurs when the mirrors are elevated, an anticipated drive quantity required for...
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5627622 |
Trimming camera
In a camera having a function or recording a scope of printing (printing scope) in an exposed picture of a film, under a panoramic photography mode, that is, a mode in which the ratio of the...
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5602616 |
Exposure control apparatus of camera
A camera having a manually actuable switch for temporarily shifting the camera to an optimum exposure value so that exposure factors, based upon a manually set shutter speed and a manually set...
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5576800 |
Camera having an auxiliary photographing function
A camera having an auxiliary photographing function comprises photometering device for photometering an area to be photographed, exposure value calculation device for calculating an exposure value...
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5416556 |
Custom mode control apparatus in a camera
A custom mode control apparatus by which the user can arbitrarily set the custom mode comprises a first selection device for selecting the custom mode or the ordinary mode, a second selection...
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5396310 |
Camera
A camera includes a light measuring circuit for performing measurement of a luminance of a subject, a computing circuit for performing a computation on an aperture value and/or a shutter speed by...
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5335042 |
Camera with a motion compensation device
A camera, having a motion compensation device, permits the user to select one of two modes of operations using a selector switch. Partial depression of a shutter release button initiates exposure...
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5335041 |
Exposure and focus system for a zoom camera
A light-sensitive, zone focus, passive automatic focus/automatic exposure system for a zoom camera receives light level data and selects flash status, lens focus distance, and exposure setting such...
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5333031 |
Camera having a liquid crystal focusing screen
A diffusion degree of a focusing screen is changed by applying voltage to the focusing screen since the focusing screen comprises liquid crystal material whose molecules are penetrated onto a...
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5327193 |
Exposure device having an actuatable shutter release
An exposure device with a shutter operating in such a manner that the size of aperture opening defined by the shutter blades first increases from zero and then starts to decrease in predetermined...
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5305051 |
Camera having a variable photographing aperture and control method thereof
A camera having a variable photographing aperture, including a photographing aperture size changing device that changes the size of the photographing aperture, and an exposure calculating device...
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5227835 |
Teachable camera
A teachable camera 8 which includes an alterable template matching neural network 40 positioned between a microprocessor 10 that performs camera picture taking algorithms and the units 24-32 such...
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5220364 |
Exposure control device for camera
In an exposure control device employed in an electronically controlled camera, an exposure value, representing the relation between an exposure time and an aperture value, is determined in...
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5191372 |
Camera
A camera includes an automatic focusing device for focusing in a mode selected from different automatic focusing modes; an advancing device for advancing a film in a mode selected from different...
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5184169 |
Photography mode input systems
A photography mode input system for inputting any selected one of a plurality of predetermined optional photography modes into a camera having a microcomputer for controlling exposure. The system...
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5159382 |
Device and method for electromagnetically activating the shutter of a camera
A device and method for electromagnetically activating the shutter of a camera to provide different aperture openings comprises: an armature having a core and a coil, the core is capable of...
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5150149 |
Multi-aperture electromagnetic camera shutter
A single electromagnet and a single permanent magnet to actuate a shutter blade and a plurality of aperture blades, that form a plurality of aperture openings. A magnet is coupled to an...
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5124741 |
Technique for prioritized selection of shelter speed and lens aperture settings
Apparatus, and an accompanying method, for use in illustratively a photographic camera for selecting shutter speed and lens aperture values to provide a given exposure level in a captuerd image,...
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5053871 |
Still video camera with automatic exposure control and flicker detection
A still video camera comprising a memory circuit storing an ordinary automatic exposure program chart and another automatic exposure program chart suited to a flickering light source, a judging...
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5045875 |
Camera with automatic focusing device
A camera having an automatic focusing device is arranged to inhibit the diaphragm aperture thereof from being controlled and set during the process of automatic focusing at any aperture value near...
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4985723 |
Photographic camera
A camera has an exposure control unit and a focus control unit. The exposure control unit selectively provides a programmed exposure control mode, where an aperture value and a shutter speed value...
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4937603 |
Multiple exposure photographic device for camera
A camera capable of multiple exposure photography. The camera has a lens shutter for performing a programmed exposure operation and a diaphragm-adjusting operation and a focal-plane shutter. The...
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4933703 |
Automatic exposing apparatus
There is provided an automatic exposure control apparatus of a camera, comprising: a winding-up device to wind up a film after completion of the photographing; an output device to output an...
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4931823 |
Multimode cameras
A multimode camera comprises means for independently setting an aperture and a shutter speed to their optional values, means for selectively setting an AV-TV characteristic line in accordance with...
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4876566 |
Camera having auto-trim exposure control
An exposure control system in a self-developing camera having a user trim adjustment for manually varying the exposure time of a picture over a limited range of exposure times is provided with a...
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4851871 |
Driving unit using electrostrictive element
A driving unit using an electrostrictive element drives mechanical members such as, for example, a diaphragm and a shutter or a shutter blade having the function of a diaphragm blade by deformation...
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4786934 |
Photographic camera having an interchangeable lens
A photographic camera having an interchangeable lens and an automatic exposure control and focusing device comprising a computing circuit for the determination of the front and rear depth-of-field...
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4779118 |
Exposure control with fixed time exposure at high light levels
A camera having an automatic exposure system for providing decreasing aperture-interval values with increasing ambient light levels including an ambient light level sensor element for detecting an...
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4760420 |
Shutter mechanism for a camera
A shutter mechanism for a camera comprises overlapping plates which are pivotally mounted and connected by a pin sliding in slots so that the plates move in unison. Springs bias the plates to an...
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4751542 |
Light metering system with user reference preselection capability
A light metering system which allows the user to select a color or gray scale reference for the system prior to operation of the apparatus (e.g. camera) with which the light metering system...
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4724455 |
Exposure controlling means for a variable focus type camera
An exposure control device for a camera capable of changing f numbers having a device for detecting an f number of a taking lens which constitutes factor A, a photometering device for detecting...
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4712903 |
Method and circuit arrangement for the automatic determination of an exposure value
A method and a circuit arrangement for photographic cameras for automatic determination of the exposure value by means of electrical signals obtained from integrated and selective brightness...
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4709138 |
Apparatus for detecting shake of image of object
An apparatus for detecting the shake of an image of an object, having first and second photosensor arrays for detecting an image of an object in two different directions, a signal processor for...
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4653893 |
Camera exposure calculating device
An exposure calculating device, for use in a camera having a programmed exposure control mode which automatically calculates a shutter speed and a diaphragm aperture value in a programmed manner,...
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4629305 |
Automatic exposure camera
An automatic exposure camera in which any one of four modes, specifically, an aperture-priority automatic exposure mode, a shutter-speed-priority automatic exposure mode, a programmed automatic...
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4601567 |
Exposure control apparatus for camera
An exposure control apparatus for a camera of light intensity feedback metering system calculates an aperture to be closed, generates a correction value in accordance with a calculation result, and...
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4593987 |
Method and device for automatic exposure control by programs
A method and device for an automatic exposure control by programs, characterized in that the exposure for an object located at a long distance is controlled by a first automatic exposure control...
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4566774 |
Automatic exposure camera
The present invention generally concerns an automatic exposure camera and, more particularly, one incorporating a so-called AE locking device or circuit. In such a camera, the proper or optimum...
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