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5973846 |
Offset spectra lens system for a two spectra automatic focusing system
An improved auto-focus system for a digital camera has a lens designed to have the focus of two spectra offset from each other by a predetermined amount. The two offset spectra are used to...
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RE36280 |
Focus adjustment information forming device
Disclosed is a focus adjustment information forming device of the kind arranged to measure distances at a plurality of distance measuring areas on a picture plane specified by optical means which...
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5774746 |
Camera with learning function
A camera wherein exposure parameters fixed by a program line can be shifted along an exposure value EV line so that exposure parameters for an exposure operation are based on the shifted program...
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5751844 |
Method and apparatus for image acquisition with adaptive compensation for image exposure variation
In an image acquisition system, which produces at least one image, each of which is scorable with reference to at least one image quality criterion, a control system is provided for optimizing the...
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5732288 |
Auto-focusing device for camera
An auto-focusing device for a camera according to the present invention comprises many different systems. Included is a focus detection section which intermittently calculates focus detection...
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5666562 |
Automatic focusing system
An automatic focusing system comprises a focus detecting circuit arranged to detect the state of focus on the basis of a signal component which is extracted from an image signal and varies with the...
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5634140 |
Camera having learning function
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...
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5566380 |
Automatic focusing system with response control using fuzzy interference
An automatic focusing system is arranged to use as a parameter a signal component which is extracted from an image signal and varies with the state of focus, to compute an evaluation value on the...
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5379088 |
Automatic focusing camera with improved determination of operation modes
An automatic focusing camera according to the present invention is an automatic focusing camera having a plurality of operation modes, including an information input device for entering a plurality...
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5376991 |
Control system
A control system computes a plurality of detection data and outputs a control amount for a control target. The control system includes a detecting circuit for detecting the plurality of detection...
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5359385 |
Camera having learning function
A camera having a learning function which automatically sets data for current photographing in accordance with a tendency of data set in the past (learned data) and takes a photograph in accordance...
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5266984 |
Exposure calculating apparatus for camera
An exposure calculating apparatus for a camera has a plurality of processing devices for variously processing photometric outputs from regions of an object field divided into plural sections...
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5250979 |
Technique suited for use in fixed focus cameras for improving image quality for non-standard display sizes and/or different focal length photographing modes
Exposure control apparatus, and various accompanying methods, for use in a photographic camera for improving the overall quality of photographed images, i.e. increasing the number of acceptable and...
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5249015 |
Exposure calculation device
An exposure calculation device comprises: first composite photometered value calculation apparatus means for classifying areas of divisional photometering means to a first pattern and calculating a...
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5237365 |
Exposure control apparatus for camera with shake countermeasure
A shake amount detecting section repeatedly detects shaking of a camera in a sampling time interval shorter than a hand shaking cycle. An exposure calculating section calculates a shutter speed...
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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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5227830 |
Automatic camera
In a focus detection device for a camera, a plurality of distance sensors each for detecting a distance to an object in a plurality of areas of a photographing image plane are provided and distance...
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5210562 |
Motor driving control apparatus with movement distance estimating function
A target position output unit outputs stop target position information of a driven member which is driven by a motor. A speed detecting unit outputs movement speed data of the driven member in...
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5111232 |
Camera having fuzzy inference function
A camera includes a measuring circuit for outputting data about an object to be photographed. A fuzzy computer receives an output from the measuring circuit as an input value, obtains a fitting...
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5083150 |
Automatic focusing apparatus
An automatic focusing apparatus of this invention includes a photographing optical system for forming an optical image of an object, an image pickup element for converting the optical image formed...
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5057859 |
Camera having high-precision stop function for movable unit
A camera includes a movable unit. A motor drives the movable unit. A memory stores a drive target position of the movable unit. A pulse generator generates pulses according to a movement of the...
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4978990 |
Exposure control apparatus for camera
An optical image of an object is incident on a light-receiving unit of a two-dimensional matrix through a photographing lens. An output from the light-receiving unit is input to a first arithmetic...
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