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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 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 photographing lens to focus light received from a subject, a main mirr... | 06/28/2011 |
| 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 conductive substrate. The light source unit is integrated into the proxima... | 02/23/2010 |
| 7330644 | Recording device A camera apparatus includes a single release switch member. The single release switch member is for instructing an image capture operation, and selects one of a first operative state and a second operative state. The first operative state is selected when the single... | 02/12/2008 |
| 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 surface, and reforms an image. The predetermined focal surface is ... | 05/30/1995 |
| 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 causes the movable mirror to move from the finder-viewing posi... | 04/18/1995 |
| 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 separating device which separate these images into image p... | 03/14/1995 |
| 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 position in both scanners; the second scanner being attuned... | 07/06/1993 |
| 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 infinity. This phenomenon is used either manually or automatically... | 01/17/1989 |
| 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 indicative of the correct focus position and thereafter the... | 03/22/1983 |
| 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 detection signal corresponding to the object distance by p... | 11/16/1982 |
| 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 against the light transmitting portion of the half-mirror as the ... | 08/03/1982 |
| 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 response to depression of the shutter release button or ac... | 05/04/1982 |
| 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 condition of the objective lens of the optical instrument. The sca... | 12/01/1981 |
| 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 winding mechanism, a film rewind mechanism, a shutter charging a... | 10/13/1981 |
| 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 directions or shifting only one of the two images of the object... | 10/06/1981 |
| 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 that lens member and deflecting them onto respective inputs o... | 08/18/1981 |
| 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, a second optical system for forming a second image of the ... | 07/21/1981 |
| 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 two images are projected respectively onto two photoelectr... | 03/03/1981 |
| 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 distance. The position of the camera lens is sensed to develo... | 11/11/1980 |
| 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 according as the stroke of shutter releasing operation. Inte... | 10/21/1980 |
| 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 photosensitive means. The movable optical system includes a rotatable... | 08/12/1980 |
| 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 drive in accordance with these determinations. The focus motor ... | 06/10/1980 |
| 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 determining the distance of an object by comparing images of s... | 03/04/1980 |
| 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. A drive for the movable mirror drives it with different spe... | 01/29/1980 |
| 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 efficient because the heavy large front objective is fixed during ... | 01/15/1980 |
| 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 path and the other a scanned path, which are lead to impinge ... | 01/15/1980 |
| 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 brightness information of adjacent picture elements, calculate... | 01/15/1980 |
| 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 optical path is caused to undergo a range-finding reciproca... | 11/20/1979 |
| 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 mirrors reflect the light images from the respective lenses ont... | 11/06/1979 |
| 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 incapability of a focussing operation whenever the sensed result re... | 10/23/1979 |
| 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 the timing of the automatic focus signal is directly relate... | 07/24/1979 |
| 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 whenever the two projection systems are trained upon the s... | 07/10/1979 |
| 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 moving a focussing lens, a first signal generating component ... | 07/03/1979 |
| 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 the system for determining object distance of a remote subj... | 05/29/1979 |
| 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 the system for determining object distance of a remote subj... | 03/27/1979 |
| 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 and the other a scanned path which are led to impinge upon ... | 11/14/1978 |
| 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 the system determining object distance of a remote subject ... | 10/31/1978 |
| 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 receiving radiation being reflected by said object. It is particu... | 10/31/1978 |
| 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; converting the light rays into separate electrical signals afte... | 08/01/1978 |
| 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 light sensors. These arrays form portions of an integrated ci... | 07/25/1978 |
