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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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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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... |
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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... |
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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.... |
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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... |
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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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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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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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... |
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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... |
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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;... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |