Matches 1 - 47 out of 47
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
5003338 Exposure control device for camera  
A camera which automatically controls an exposure by identifying a change in composition in image field and the kind of main object. The camera comprises an exposure device for exposing an...
4912494 Camera system  
A camera system has an interchangeable lens releasably attached to a camera body, an information processing portion provided in the camera body, and another information processing portion provided...
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...
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...
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...
4821074 Exposure control device for a camera  
An exposure control device for a camera comprising: first means for measuring light from a central area of an object field, said first measuring means including a plurality of means for...
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...
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,...
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...
4504135 Automatic focusing device  
An automatic focusing device of a camera capable of photo-taking in infrared ray has means for detecting a focus condition of an imaging lens and correction means for producing information...
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...
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...
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...
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,...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
3898676 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...
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...
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...
3442193 AUTOMATIC FOCUSING SYSTEM  
3435744 AUTOMATIC FOCUSING SYSTEM  
3398665 Lenticular screen autofocus system  
3336851 Automatic focusing apparatus and method  
2922351 Automatic focus mechanism  
3610127 Title is not available  
Matches 1 - 47 out of 47