Matches 1 - 33 out of 33


Match Document Document Title
8462356 Apparatus and method for observing the surface of a sample  
An apparatus for observing the optical appearance of a surface (2) of a sample (1) of semitransparent material, in particular the surface (2) of a human skin, the apparatus comprising a light...
8077200 Image capture system and method of capturing labeled image  
An image capture system is provided. The image capture system for capturing an image of an object includes a light emitting module, a lens, a base unit and a filter unit. The light emitting module...
7791795 Microscope with a focusing assist apparatus  
A microscope for focusing by inserting a split prism at a focusing support time. The image of an iris stop is branched into such two images by the angle deflecting action of the split prism as are...
7362521 Lens module and electronic device using the same  
A lens module includes a frame, a guide bar, a lever, a first lens and a second lens. The frame is for carrying an image sensor with a photosensitive surface. The guide bar is disposed on one side...
5705803 Covariance focus sensor  
A focus sensor for detecting the focus state of an image forming optical system relative to an object, the optical system having a plane of best imaging focus, includes: a plurality of image...
5448323 Close-up lens assembly incorporating a photo-ranging system  
A plurality of fixed focus exposure lenses are mounted in a turret for manual selection of a desired focus. Each exposure lens in the turret is combined with a pair of ranging lenses for movement...
5289220 Detachable close-up lens assembly for an adjustable focus lens camera incorporating a photoranging system  
An attachment is mounted on an adjustable focus lens camera which attachment incorporates a second lens system to operate in combination with the camera lens system to allow close-up photography....
5142299 Hand held system for close-range underwater photography composing and focusing  
A system for composing and focusing a hand-held underwater camera system includes a first light source and a second light source which each emit a beam of visible light through the water. The two...
5109161 Light emitter and optical system for a distance measuring device  
In an optical system arranged to detect a distance to an object to be photographed by projecting beams of light from a light emitting element which emits visible light or infrared rays or the like...
4983033 Automatic range finder for camera  
An automatic range finder for a camera for setting the focus position of the camera to correspond to the closest object to the camera within a specified field of view. Infrared light sources are...
4874239 Distance measuring device  
In a distance measuring device for measuring distance to an object by projecting a light beam onto the object and receiving the reflected light therefrom, the light beam to be projected onto the...
4836671 Locating device  
A device determines the location of a point, line, or plane in space with respect to an object along an axis of projection from the object. The device includes a beam generator coupled to the...
RE32886 Digital auto focus  
A digital auto focus system includes first and second detector arrays which receive first and second detection images of an object. The detection images are displaced by a number n of detectors...
4777501 Underwater optical methods and apparatus  
An underwater visual recording system capable of making consistently in-focus visual records of submarine objects includes a camera having a lens system with a predetermined depth-of-field, a...
4740678 Automatic focus detecting device in which two objects images formed through different light paths are converted to photoelectric signals  
Method and apparatus for detecting a focus condition for an optical system sequentially forms two images of an object, the images propagating along two different optical paths. The two images are...
4733062 Focus detecting device  
A focus detecting device comprising a light source means alternately producing a pair of light beams directed to the surface of an object, a light receiving element arranged on an image surface...
4589770 Electro-optical ranging apparatus having scanning circuitry and servoloop processor for resolving separation of images on photoelectric detector arrays  
In an optical ranging apparatus, especially designed for measuring the range to a source of infrared radiation, a narrow band time-shift servoloop processor is used to resolve the offset...
4573784 Focus detecting apparatus  
This specification discloses a focus detecting apparatus having an optical system for forming a plurality of object images on the basis of object lights passed through different pupil areas of an...
4469939 Distance measuring apparatus  
A distance measuring apparatus is provided with first and second imaging lenses for distance measurement for forming images of the same object, a first photoelectric device having a...
4397547 Lens module for an opto-electronic range finder  
A lens module for use in an opto-electronic range finder double ray deflection for the projection of two images of an object onto two linear image sensors disposed in a single image plane has a...
4246486 X-ray photography device  
A focus alignment system for X-ray photography devices is provided for use with such devices where the film holder is independent of the X-ray source. The X-ray source has associated therewith two...
4117325 Optical objective focus indicator and display  
Apparatus for indicating and displaying the focus of an optical objective and particularly a photographic camera. An image of the object is projected by means of the objective onto a scanning disk...
4025785 Method of and apparatus for the automatic focusing of stereoscopic microscopes  
For automatic focusing of a stereoscopic microscope a focusing beam of rays, preferably in the infrared range of wave length, is generated by a pulse light source, and focused on the object to be...
3643574 FOCUSING DEVICE FOR OPTICAL EQUIPMENT  
A focusing device is provided for optical equipment of the type having a pair of windows providing respective focusing light beams, a taking lens system including a focusing lens having a...
3638549 PHOTOGRAPHING SYSTEM FOR OSCILLOSCOPE  
A pair of light beams are projected at an angle onto a display surface such as the display screen of a cathode-ray tube in order to provide regions of illumination of the display screen which move...
3634011 OPTICAL RANGE FINDER  
An optical rangefinder in which light transmitted to and reflected from a distant object is compared to determine that distance, is improved by providing means to adjust the divergence of the beam...
3622242 STEREOSCOPIC RANGEFINDER WITH MOVABLE RETICLES  
A binocular rangefinder defines a field of view and superimposes thereon a composite stereoscopic virtual image of a pair of dissimilar, stereoscopically related reticles, the image having...
3618499 CAMERA WITH COORDINATED APERTURE AND FOCUS ADJUSTMENT MEANS  
3610128 STEREO RANGEFINDER  
3418908 Range finding-focusing apparatus for a photographic camera  
3416426 Photographic apparatus with rangefinder-aperture control  
3388646 Photographic device  
3008398 Camera focusing device  

Matches 1 - 33 out of 33