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8223203 Camera for mounting in motor vehicle  
Disclosed herein is a vehicle-mounted type of camera capable of being reduced in the space required for installation on the windshield of a vehicle. An imaging unit 15 is provided on a substrate...
7970270 Auto focusing apparatus and image pick-up apparatus having sub-mirror  
An image pick-up apparatus capable of directing an increase amount of light toward an auto focus module and of performing a fast auto focusing is disclosed. The image pick-up apparatus includes a...
7668450 Endoscope with integrated light source  
An LED based light source unit for an endoscopic imaging system produces illumination for a camera through an endoscope. The light source unit includes an array of LEDs mounted to a thermally...
5420438 Focus detecting apparatus including movement of detecting zones  
A focus detecting apparatus is provided including an image reforming optical system which splits a bundle of rays incident upon a detecting zone, which is provided on a predetermined focal...
5408290 Camera with motorized drive source  
A camera includes a movable mirror arranged to be movable between a finder-viewing position and an exposure-retracted position, a spring member for applying to the movable mirror a force which...
5397887 Focus detection apparatus having multiple detecting zones  
A focus detecting apparatus, includes multiple detecting zones situated in a focal plane, an orientation changing mechanism which changes the orientations of images formed in these zones, an image...
5225876 Range finding camera  
The camera includes two functionally equivalent line and field scanners, one for issuing a light pulse that will be returned by an object point, and identified by a particular line/field scanning...
4798947 Focusing technique for an optical sensing system  
By placing a mirror in the field of view of an infrared imager it is caused to produce an image of its own detector assembly which is correctly focussed when the lens system is focussed at...
4377330 Low cost auto focus system improvement  
A mechanism for use in a camera employing a low cost auto focus system wherein the light from the remote scene is reflected from a moveable mirror to the auto focus circuitry to produce an output...
4359634 Automatic focusing device  
An automatic focusing device controls the setting of an actuating member to effect automatic focusing of a camera lens and is used in conjunction with a focus detecting unit which produces a focus...
4342508 Mirror operating mechanism in single-lens reflex camera  
In a single lens reflex camera of the type using a half-mirror and a total reflection mirror, a mirror operating mechanism is provided for automatically rotating the total reflection mirror...
4327976 Light beam projecting device for auto-focusing camera  
In an auto-focusing camera, a light beam projecting device is provided for projecting a light spot on the object to be photographed. The light spot is projected on the object to be photographed in...
4303320 Automatic focus adjusting device  
An improved automatic focusing system for an optical instrument includes a scanner driven oscillatably across an angle to detect a subject positioned between infinity and the minimum focus...
4294527 Motor driven camera  
A motor driven camera includes a reversible motor which is disposed within the body of a camera. The camera includes a transmission mechanism which transmits a drive from the motor to a film...
4293205 Camera focus detecting device  
A focus detecting device for a lens system having a subsystem for dividing the image of an object into two optically equal images and for shifting the two images of the object in the opposite...
4283863 Range finder for focusable photographic or cinematographic camera  
A camera with a focusable objective including an axially shiftable lens member has two ancillary projection systems continuously or intermittently intercepting incident light rays downstream of...
4279484 Apparatus for measuring a range to a subject  
An apparatus for measuring a range to a subject comprising a first optical system for forming a first stationary image of the subject on a first photosensitive element such as a photosensor array,...
4253751 Camera focus detecting device  
A focus detection optical system where the image of an object is divided into two images thereof, and the two images are shifted in the opposite directions or one of the two images is shifted. The...
4233503 Automatic focus adjusting system  
A system and method for automatically focusing a camera is disclosed wher the outputs of a conventional spatial image correlator are sensed to develop a distance signal corresponding to object...
4229089 Automatic focusing device for camera  
An automatic focusing device for an automatic focusing camera of the double image coincidence focusing type. A coupling mechanism causes an focus detecting movable mirror perform scanning motion...
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...
4207461 Continuous focus proportional controller  
An improved automatic continuous focus system of the spatial image correlation type determines whether focus correction is needed and in which direction and moves the lens with a proportional...
4191882 Automatic focus adjusting device  
An automatic focus adjusting device for use with an optical instrument hag a focusable objective lens which is adjusted by optical and electronic components of the instrument, such components...
4186300 Focus detector  
A focus detector includes a movable reflecting mirror and a stationary reflecting mirror which reflect incident light admitted through a pair of independent windows for the purpose of comparison....
4183642 Automatic focusing devices  
An automatic focusing device for cameras, microscopes and the like for automatically adjusting the focal point of a lens with the aid of an operational circuit. The operational circuit derives...
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...
4183639 Focusing system  
A movie camera is shown with a zoom lens capable of automatic focus by movement of the lens system closest to the camera body instead of the front objective. As a result the system is more...
4174892 Automatic focusing system  
A method and apparatus for automatically focusing a camera is described in which the camera has a stationary optical path and a scanning optical path for developing focusing signals. The scanning...
4173402 Optoelectronic sensing apparatus  
First and second optical systems each comprise identical converging lenses which focus light images of an object onto identical photosensor arrays, the lenses being parallel. First and second...
4171885 Automatic focussing apparatus  
An automatic focussing apparatus is provided with a contrast sensor which senses the contrast of reflective light from an object being photographed and produces a signal indicative of the...
4162123 Automatic focusing system  
A technique is shown for automatically adjusting the sensitivity of an auto focus device in accordance with the level of light intensity of the subject. Sensitivity correction is required because...
4160587 Camera equipped with range finder for manual or automatic focusing  
A camera with a focusable objective has two secondary projection systems, at least one of which is continuously adjustable, working into a photoelectric comparator which emits a coincidence signal...
4160159 Automatic focussing apparatus  
An automatic focussing apparatus comprises a first drive element for repeatedly oscillating a movable reflecting mirror of an optical system of the range finder type, a second drive element for...
4156563 Automatic focus adjusting device  
Disclosed is an improvement in an automatic focusing system for use with an optical instrument having a focusable objective which is adjustable in response to optical and electronic components of...
4146316 Automatic focus adjusting system  
Disclosed is an improvement in an automatic focusing system for use with an optical instrument having a focusable objective which is adjustable in response to optical and electronic components of...
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...
4123650 Range finder system  
A range finder system to detect distance to an object by irradiating radiation toward an object, a distance to which is to be detected based on the principle of a base line range finder and...
4123765 Automatic focus adjusting device  
Disclosed is an improvement in an automatic focusing system for use with an optical instrument having a focusable objective which is adjustable in response to optical and electrical components of...
4104517 Method and optical system for automatic parallax determination  
Disclosed is a method for automatically determining parallax in a stereoscopic system, comprising the steps of: passing at least two imaging light channels through a moving grating structure;...
4103152 Distance determining and automatic focusing apparatus with false peak discrimination  
A camera lens forms an image of an object on an image plane. First and second mirrors produce respective first and second detection images of the object on respective first and second arrays of...
4080531 Single pass distance determining and automatic focusing apparatus with separately adjusted optical element  
An adjustable camera lens forms an image of an object on an image plane. First and second mirrors produce respective first and second detection images of the object on respective first and second...
4075639 Dual scanning focusing system  
A mechanism is provided for producing a dual scan of a scene containing an object to be automatically focused upon by the image producing means of an optical system. A first mirror is caused to...
4059756 Focus control system with dual scan  
An automatic focus system of the spatial image correlation type uses a dual scan technique. During a first scan, the amplitude of the major extremum in the correlation signal is stored. During the...
4049960 Focusing arrangement  
In the arrangement disclosed, a photoconductive cell has electrical characteristics which depend upon its optical exposure. An optical system focuses an image upon the cell. An electrical system...
4021821 Automatic focus control motive means  
A mechanism is provided for driving the scanning device of an automatic optical focusing system and for moving the primary optical element of such system to the desired focus position. A cam and...
4020496 Support for components of an automatic focusing system  
A support for a camera automatic focusing system has two identical plates that form top and bottom covers of the support. The top plate has a plurality of spaced openings that are in alignment...
3733989 AUTOMATIC FOCUSING ARRANGEMENT  
A split image of a vertical edge of an object is formed by a standard range finder, the two half images coinciding in a vertical direction when the objective lens is properly focused. An...
3720151 DEVICE FOR OSCILLATING IMAGE PLANE ON THE SIDE OF PHOTOELECTRIC ELEMENT IN AUTOMATIC FOCUSING DEVICE  
An automatic focusing apparatus in a camera includes a photoelectric element adapted to receive the light rays passing through the objective and partly reflected by a semi-transparent mirror. The...
3708619 AUTOMATIC FOCUSING OF OPTICAL SYSTEMS  
Disclosed is a means to automatically focus an optical system. An error signal derived by sensing the image parallax with respect to an output focal plane is employed to focus the optical system...
3691922 A METHOD AND APPARATUS OF CONTRAST-DEPENDENT SHARP FOCUSSING  
A method of performing contrast dependent sharp focussing of an optical system. Light is direct via an object lens through an image field diaphragm and rotatable optical wedge. A measurement area...

Matches 1 - 50 out of 55 1 2 >