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8441195 Illumination adjustment circuit  
An illumination adjustment circuit includes a light sensitive unit, an amplification unit, a switch unit, and a light emitting unit. The switch unit includes a plurality of electronic switches...
8379283 Micromechanical element and sensor for monitoring a micromechanical element  
A micromechanical element includes a movable functional element, a first retaining element, a second retaining element, a third retaining element, and a fourth retaining element. The first...
8295641 Image processing apparatus, image processing method, and medium storing image processing program  
A reflectance image that represents a reflectance distribution, and an illuminance component image that represents an illuminance distribution are generated from an input image. A plurality of...
8269181 Avalanche pixel sensors and related methods  
According to an embodiment, an avalanche pixel sensor includes a substrate having opposite first and second surfaces, first sensor elements operating in breakdown mode situated on the first...
7943889 Apparatus for improving detection efficiency of multiphoton microscopy systems by focus compensation, pupil image division, and parallel pupil rearrangement  
Disclosed is an apparatus for division and rearrangement of light from a source object. The apparatus splits the light from the source object, or image of the source object, and recombines it in a...
7679039 Compositions and methods for drop boundary detection and radiation beam alignment  
The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the...
7675013 Image displaying apparatus with control over the output ratio of a plurality of light sources  
An image displaying apparatus displays a color image with favorable quality on a predetermined surface. A light source unit emits light beams within different wavelength ranges optically modulated...
7640068 Surveying instrument and method of controlling a surveying instrument  
A surveying instrument performs tracking of a target by controlling an orientation of a measuring unit relative to the target in two different angular directions. The control in one angular...
7586079 Low power glare sensor  
The invention may be embodied as a glare detection system or as a method of detecting glare. In a system according to the invention, there may be a light receiving surface, a first input channel,...
7045974 LED optical energy detection and feedback system  
A system for the throughput detection and feedback of optical energy for making sure of white balance of the LED array in a flat fluorescent light source when the LED array in emitting light by...
6974940 Anti-glare rearview mirror assembly and reflectance control method of same  
An anti-glare rearview mirror assembly and a reflectance control method thereof are disclosed. The assembly includes an electrochromic rearview mirrors, two rearward light sensors, and a...
6875971 Wafer edge exposure apparatus, and wafer edge exposure method  
A wafer edge exposure apparatus is provided with an optical section for radiating exposure light onto the edge of a semiconductor wafer. The optical section is provided with a focus sensor for...
6870147 Light stability testing device  
A light stability testing device for conducting an accurate light stability test that permits an accurate ultraviolet irradiation and an accurate visible light irradiation, the device comprising...
6831262 Method of determining characteristic correction data for correcting output signal from image sensor  
There is disclosed a method of determining characteristic correction data from reference data values picked up through an image sensor by scanning a reference original a plurality of times per one...
6665097 Image reading apparatus  
When sequentially reading a plurality of documents in an image reading apparatus using, for example, an automatic document feeder, the temperature inside the apparatus rises and the refractive...
6525303 Control systems and methods for synchronizing diffuse illumination with a camera  
A light pattern controller generates a pattern of continuous wave, modulated and/or pulsed light onto a face of a collimating element. The light beam is collimated by the collimating element and...
6396873 Optical device  
Stereoscopic device including a lenticular lens layer and light sensor array, the lenticular lens layer includes a plurality of lenticular elements, the sight sensor array includes a plurality of...
6350977 Pattern distortion detecting method and apparatus and recording medium for pattern distortion detection  
Sampling points are generated selectively in a prescribed portion other than the pattern edge portion of a layout pattern used in a semiconductor manufacturing process based on an input that is...
6008484 Observer tracking directional display and observer tracking illumination system  
Observer tracking is provided in an autostereoscopic 3D display, for instance of the type including an LCD panel 2 behind a parallax barrier. An infrared sensor such as a position sensitive...
5767989 Image inputting apparatus  
The improved image inputting apparatus for reading the image recorded on a transmission original comprises: a light source; an image sensor for photoelectrically reading the light that has issued...
5710662 Automatic focus detection device for microscopes  
An automatic focus detection device for microscopes includes an optical system for forming an image of a sample; an image sensor for photoelectrically converting an optical image derived from the...
5672862 Optical apparatus having image shake preventing function  
An optical apparatus or a control device to be used for a light flux deflecting apparatus is arranged to include at least two light flux deflecting portions and a control portion which control the...
5652424 Focus state detection device and method  
A focus state detection device includes a field mask aperture having a shape created from the overlapping portions of two areas. The first area is formed by the outermost perimeter of the...
5559321 Focus detecting device having light distribution detection  
There is disclosed a focus detecting device adapted for use in a camera or the like and provided with; a phototaking optical system for forming an image of the object on a reference plane; a focus...
5552594 Focus detecting system using a beam splitter to form an image at nominal best focus, slightly in front of best focus and slightly behind best focus  
A focus detecting system for detecting focus state of an image forming optical system relative to an object, includes a beam splitter assembly for forming at least three coplanar two-dimensional...
5534688 Focus detecting device having light distribution detection  
There is disclosed a focus detecting device adapted for use in a camera or the like and provided with; a phototaking optical system for forming an image of the object on a reference plane; a focus...
5525792 Camera having superimposed information display device  
Disclosed is a focus detecting device for use in a camera comprising a phototaking optical system for forming an image of the object on a reference plane. A focus detecting optical system...
5506399 Focus detection device  
A focus detection device is provided that can quickly detect small displacements with high precision in the optical image on arrays of photosensitive elements. The device includes a pair of arrays...
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...
5276550 Optical microscope with variable magnification  
An optical microscope including a revolver for mounting a plurality of objective lenses having different magnifications, a stage for holding a specimen to be inspected and being movable in a plane...
5233431 Image pickup device  
An image pickup device which, in placing a phase type optical low pass filter in front of a taking lens, is able to cope with the varying focal distances of the taking lens only by a single piece...
4989827 Distance distribution measuring method and apparatus varying spacing between an image pickup and the optical axis  
A distance distribution measuring method includes the steps of disposing an image pickup on the optic axis of a projection optical system, forming on the image pickup the images of objects...
4988856 Automatic focusing apparatus of a camera for photographing moving objects  
An automatic focusing apparatus of a camera according to the present invention includes: a focus detector which detects repeatedly focus conditions of a photographic lens and outputs successively...
4977311 Camera with focus detecting device for removing vignetting effects  
A focus detecting device for detecting the focus adjusted state of an imaging optical system with respect to an object body comprises first and second photoelectric element arrays each including a...
4972243 Photoelectric conversion apparatus with shielded cell  
A photoelectric conversion apparatus has a plurality of photoelectric conversion cells. Each cell includes a semiconductor transistor having a control electrode area which in turn includes a...
4965443 Focus detection apparatus using neural network means  
An optical image transmitted through a photographing lens is incident on a light-receiving unit of a two-dimensional matrix. An output from the light-receiving unit is input to a first arithmetic...
4952966 Focus detecting device for use with cameras  
An image sensing device capable of being utilized in an automatic focus detecting system includes a pair of sets of light sensing elements that are spaced from each other. These light sensing...
4950879 Focus detecting device for use with cameras  
A focus detecting device is provided with first and second line sensors and first and second image forming lenses which are located behind a predetermined focal plane of the objective lens to...
4942418 Focus condition detecting device  
An automatic focusing divice for a camera is disclosed. The automatic focusing device has sensing means for sensing light intensity distributions within narrow and wide areas of a field of view of...
4939357 Optical system for a focal point detecting device  
A condenser lens disposed behind a film equivalent plane, a pair of light splitting elements disposed behind the condenser lens, and a focal point detecting apparatus. The radius of curvature of a...
4914282 Focus detection system employing multiple area light distribution sensors  
A focus detection system for detecting a focus state of an object lens, includes an optical device for forming first and second light distributions corresponding to first and second images having...
4912497 Device for detecting the focal value for the focusing of optical apparatus  
A device for detecting the focal deviation value for focusing an optical apparatus includes a pair of optical lenses for receiving light from the focal object, which produces a pair of images that...
4904855 Method for detecting relative position of an image pair including contrast detection  
A method and system for finding an exact focus of a taking lens of a single lens camera or the like. The method detects the relative position between two images on the basis of light intensity...
4903065 Focus condition detecting device  
A focus condition detecting device which eliminates a wasteful operation thereof to obtain optical results of detection in a shortest period of time and wherein it can be discriminated correctly...
4900911 Focus detecting system utilizing correction data on aberrations of the photographic lens  
A focus detecting system having a passive type automatic focusing function and an active type automatic focusing function. When the passive type automatic focusing function is used, focus...
4899041 Light sensor for detecting an object in a certain distance  
The light sensor has a light transmitter (10, 12) which radiates the light along an axis (x0) of a transmitter system and two light receiving systems (12, 14) which pick up the light scattered...
4888490 Optical proximity apparatus and method using light sources being modulated at different frequencies  
Optical proximity apparatus, and a related method, for monitoring the proximity and angular orientation of a surface and for maintaining that surface in a desired relative position. The apparatus...
4883951 Method and system for detecting whether an optical system is in focus using an improved interpolation technique  
In a focus detection system in which light from an object is incident on at least two photosensor arrays via an optical system to form two images on the photosensor arrays, the relative...
4870263 Device for determining the contrast of a display screen as a function of the observation direction  
A device for determining the contrast of a display screen as a function of the observation direction. This device comprises a first convergent objective (12) for forming the image (19) of the...
4864117 Device with a discriminating priority system  
In a focus detection system for detecting focus condition of an objective lens, there is disposed a pair of photo sensor arrays each having a plurality of photo cells lined up in one diection to...