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Document Title |
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7262984 |
Method and apparatus for storing and reading information in a ferroelectric material
To store information in a ferroelectric material, a sample probe is used to bring about mechanical action on individual domains and thereby to cause a reversal of polarization in the individual...
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7142781 |
Self-luminous device and electric machine using the same
To provide a self-luminous device capable of clear, multi-gray scale, color display and an electric machine provided with the same. Gray scale display is attained by a time division driving method...
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6606458 |
Automatic framing camera
This invention provides an automatic framing camera that identifies a still subject, frames it, and photographs it. The ranging direction of a ranging unit (light emitting element and light...
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6308015 |
Camera having automatic focusing device
There is provided a camera with an automatic focusing device having hybrid AF unit capable of always performing a reliable automatic focusing operation on a moving object to provide a more...
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5771412 |
Focus detection device and method using a projection pattern material
A device and a method for focus detection that increases the amount of light projected on an object to capture the object without fail. Light rays are projected onto an object by a projection...
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5596386 |
Projection and reception type focus detecting apparatus
A projection and reception type focus detecting apparatus, which is capable of making the range measurement in plural regions, includes a light source for illuminating an object with a beam of...
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5148210 |
Automatic focusing apparatus
An automatic focusing device for driving an optical system to focus on a subject. The device has a CCD to read an image of the subject, a driver for the CCD so that a first image signal is...
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5056914 |
Charge integration range detector
A system and a method for obtaining object data with a direct detection technique which employs radiation are disclosed. A set of radiation pulses are transmitted to an object area. A mechanical...
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4908649 |
Automatic focus detection device for use in a camera
In a camera having an automatic focus detection device of active type, an auxiliary light source to project light to the object for the purpose of automatic focus detection is shared to a...
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4868591 |
Photodetector element for optical rangefinders
A photodetector element for use in a rangefinder of a camera comprises a first photoelectric element having a plurality of light receiving segments parallel to each other and adapted to provide a...
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RE33016 |
Protective device for automatic focusing camera
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...
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4696559 |
Variable focal length, automatic focusing camera with a single motor
A lens barrel unit for attachment to a camera body and providing automatic focusing variable focal length and shutters. A single motor provide motive power for the shutter, for the movement of part...
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4573785 |
Display device for focus detecting camera
In the disclosed focus detecting camera, a display is arranged to indicate the drive direction of the camera's photo-taking lens. The camera's focus detecting circuit can detect the in-focus,...
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4561748 |
Focus detection device
An active focus detecting device for use in a camera is provided and includes emitting light that is polarized, and collimated so that the light forms a light bundle which will pass near the...
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4473284 |
In-focus state detecting device for camera
An in-focus state detecting device which is provided with erroneous signal discriminating means is arranged such that: The lens cap of a photo-taking lens has the whole surface or a part of the...
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4456360 |
Camera
In a camera having automatic focus detecting means for automatically detecting an in-focus position to effect focusing of the photo-taking lens, and exposure control means for controlling the...
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4456351 |
Focus detecting device
A device which detects the focus condition of an optical system with respect to an object, includes a sensor having at least one sensing surface, the senor providing an electrical indication to...
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4403843 |
Switching assembly for focussing, photosensitive elements of a camera
For use with a camera which is adapted for use with at least two interchangeable lenses having different brightness levels, a switching assembly is provided to enable one of at least two focussing,...
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RE31370 |
System for exposure measurement and/or focus detection by means of image sensor
The present invention relates to a system for exposure measurement and/or focus detection by means of image senser such as photo diode array (MOS image senser), CCD (charge coupled devices)...
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4333716 |
Focus detection system
Disclosed is a focus detecting system in which first and second signals corresponding to image forming states at first and second positions each almost at the same distance before and behind a...
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4331399 |
Focal point coincidence sensing device
A focal point detecting device comprises a light-receiving device having a plurality of light-receiving elements which receive incident light coming from two different light paths. In the first...
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4326783 |
Interchangeable objective lens single-lens reflex camera focusing device
A single lens reflex camera includes a vertical open topped U-shaped bracket mounted in the camera body below the pentaprism, a forwardly located lens mount separably coupled to an objective lens...
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4324463 |
Photographic camera
When a trigger lever is depressed, both a focus adjuster ring and a control disk commence to rotate in unison, driven by a spring mechanism. Position-sensing switches receive signals indicating...
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4318598 |
Automatic focusing device in a camera
An automatic focusing device in a camera comprises drive means for moving a picture-taking lens in the direction of the optic axis so that the picture-taking lens can be focused to an object from...
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4217043 |
Camera having an automatic focus control apparatus
An automatic focus control apparatus for a camera lens which includes a fixed and a movable optical system, each adapted to form an image of an object to be photographed on a respective...
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4209241 |
Photoelectric rangefinder
A photoelectric rangefinder for use in a photographic camera for automatically focusing an image of a target object on a predetermined image plane. The system utilizes an electro-optical spatial...
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4183641 |
Focus detecting device
In an automatic focus detecting device in which a vibrating prism is provided on the focal plane of an objective of an optical instrument such as a camera, a photodetector element used for...
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4183640 |
Automatic focus adjusting device
A rangefinder mechanism is shown in which the scanning mirror has been replaced with a movable scanning optic. The automatic rangefinder system includes a pair of optical paths, one a reference...
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RE30099 |
Distance detecting device
A distance detecting device utilizable in an optical device such as a camera and the like requiring focusing operation of the optical system thereof. The detecting device enables the adjustment of...
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4150888 |
Closed loop automatic focusing unit
A closed loop automatic focusing system suitable for use in a camera is disclosed which has a beam producing means producing a narrow beam of light radiation directed toward an object to be...
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4125847 |
Rangefinding mechanism
A rangefinder mechanism is shown in which the scanning mirror has been reced with a movable scanning optic. The automatic rangefinder system includes a pair of optical paths one a reference path...
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4090209 |
Automatic image focusing system for cameras
A light refracting optical element such as a prism is inserted in the optical path of the objective of a camera substantially on the focal plane of the objective. The light refracting optical...
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4041505 |
Automatic electronic rangefinder
An automatic focusing system is provided to process amplitude and phase signals of image motion in an image plane. The camera includes a focusable objective lens, optical means, oscillating means,...
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4005442 |
Automatic focusing mechanism
An automatic focusing mechanism for adjusting the focus setting of the objective lens of an optical instrument such as a photographic camera. The adjustable focusing cell of the objective lens is...
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3886567 |
Optical system position controlling device
The present invention relates to an optical system position controlling device applicable to camera or other optical instruments which require focusing. The subject device includes a position...
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3720148 |
APPARATUS HAVING AN AUTOMATIC RANGE FINDER MECHANISM
A photographic camera or the like, using triangulation for range distance measurement, and having an automatic range finder mechanism. The apparatus is arranged to sweep a modulated light beam...
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3442193 |
AUTOMATIC FOCUSING SYSTEM
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3435744 |
AUTOMATIC FOCUSING SYSTEM
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3398665 |
Lenticular screen autofocus system
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3336851 |
Automatic focusing apparatus and method
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2922351 |
Automatic focus mechanism
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3610127 |
Title is not available
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