Matches 1 - 47 out of 47
Match Document Document Title
7092076 Surveying instrument  
A surveying instrument, comprising a collimation optical system and a visible laser projecting device with a visible laser light source unit for emitting a point light, wherein the surveying...
6613441 Boron- and/or aluminum-containing mixtures, hybrid materials, and coatings  
The present invention relates to mixtures prepared from (A) at least one linear, branched, or cyclic monomeric organosilane having at least two silicon atoms with hydrolyzable and/or...
5933223 Optical device for measuring small dimensions in vivo  
A device to measure the relative location in three dimensional space of anatomical structures by injecting a beam of light into an optical imaging device and projecting the beams of light onto the...
5491546 Laser assisted telescopic target sighting system and method  
The present invention is directed to a laser assisted telescopic targeting system, apparatus and method of range finding and aiming a projectile firing weapon. The invention includes a laser light...
5124844 Method and apparatus for locating celestial objects  
A method and an apparatus for locating in the sky celestial objects, using a telescope, wherein two guide stars and the celestial object are represented, according to their respective locations, on...
4804834 Photosensor having photosensitive part formed of purple membrane  
A photosensor uses as a photosensitive part thereof a purple membrane film which contains bacteriorhodopsin isolated from a highly halophilic bacterium and which generates a photoelectromotive...
4400071 Auto-focus camera  
In a mark finder for an auto-focus camera provided with a photographic field mark indicating a picture frame within the field of view of the finder, and a distance measuring area mark indicating...
4360256 Single reflex camera with an optoelectronic distance meter mounted in the vicinity of the view finder eyepiece  
A photographic or electronic camera optoelectronic distance measuring system has a lens with two partial aperture diaphragms which create first and second partial bundles of rays. Two linear image...
4257704 Distance measuring finder  
A finder provided with a distance measuring device for measuring a distance to an object being photographed by projecting infrared light from a light emitting means through a projection optical...
4251158 Albada finder incorporating a range finder  
An albada finder incorporating a range finder comprising a first negative lens component, a second thick negative lens component and a third positive lens component, said second lens component...
4100404 Beam projector  
A beam projector is provided by a plurality of coded reticles mounted on a spinning disc and illuminated by a laser source. In order to maintain a constant irradiance on a receiver variably located...
4100555 Modular photographic rangefinder camera  
A combined view and rangefinder for use in cameras having a variable focus objective lens includes means for establishing a primary image of the scene to be photographed framed in a generally...
4100556 Combined view and rangefinder with specially configured moving lens  
A movable lens element in a combined view and rangefinder for use in cameras having a variable focus objective lens is configured in a manner facilitating its reciprocal translation about a...
3945023 Auto-focus camera with solid state range finder  
An auto-focus camera includes a range finder device having no moving parts. First and second stationary lens devices receive radiation from an object along two spatially separate paths. First and...
3839725 CAMERA RANGEFINDING AND FOCUSING DEVICE  
A distance determining mechanism usable with an optical instrument having a focusable lens and a viewfinder, the mechanism including within the viewfinder housing a base indicator formed as a...
3765767 FOCUS ADJUSTING DEVICE FOR CAMERA OR CINE CAMERA  
To enable focusing the objective lens of an optical instrument or camera on a remote subject, a mechanism based on the principle of triangulation is provided having a gravity responsive pendulous...
3754828 BALANCED NEEDLE FOCUSING SYSTEM  
A distance determining mechanism usable with an optical instrument having a focusable objective and a viewfinder in which the distance determining mechanism yields a visual indication of instrument...
3719422 A BINOCULAR RANGEFINDER-VIEWFINDER WITH FRESNEL OPTICS  
This disclosure depicts a number of novel Fresnel imaging structures incorporated in photographic rangefinding and viewfinding means. Each Fresnel imaging structure is both focal and afocal for...
3712737 TELESCOPIC OPTICAL INSTRUMENT  
A telescopic instrument for optically measuring the distance of a viewed object, with automatic reduction of the measured values in the horizontal distance and simultaneous measurement of the width...
3687041 MULTIPLE ZONE STEREO RANGEFINDER  
A camera is disclosed incorporating an improved stereoscopic binocular rangefinder. The rangefinder mechanism and its coupling to the camera are constructed so they can be adjusted to accommodate...
3664250 COMPACT VARIABLE FRAME VIEWFINDER  
A photographic camera is disclosed as having a variable frame viewfinder comprising a plurality of discrete reticles respectively defining framing marks and a corresponding plurality of reticle...
3661064 STEREO RANGEFINDER  
A photographic camera having a variable focus objective lens incorporates a binocular rangefinder of the "stereo" type including a reticle and lens means for projecting a virtual image of the...
3581644 COMBINED VIEWFINDER-RANGEFINDER  
A full-field viewfinder-rangefinder of the coincident type for a photographic camera is disclosed. A single cam is operable to cause coincidence of a pair of superposed images at predetermined...
3462222 STEREOSCOPIC RANGE FINDER INCLUDING SEQUENTIALLY ILLUMINATED RETICLES  
3397606 Range finder and view finder for photographic cameras  
3383987 Multiple-scale reticle for a fire control system with means for adjusting the servosystem to a selected one of the scales  
3333105 Device of the kind in which the distance of an object from a defined surface is determined or adjusted by means of a bridge circuit  
3217162 Method and apparatus for producing a spectroscopic emission spectrum of a material  
3150579 Camera bright-frame viewfinder with coupled rangefinder  
3127463 Photographic viewfinder with divided field frame and imaging means  
3107269 Range finder device for photographic cameras  
3089380 Variable framing means for a combined range and view finder  
3068772 View and range-finding system for cameras  
3041919 Combined range and view finder  
3012464 Measuring finder for photographic purposes  
3007365 Combined variable bright frame viewfinder and rangefinder for photographic camera  
3003407 Combined range finder and view finder  
3002439 Camera with coupled range finder  
2999416 Photographic measuring finder  
2992599 Viewfinder  
2984145 Combined rangefinder and albada viewfinder unit for photographic cameras  
2970511 Luminous frame viewfinder-rangefinder  
2961916 Rangefinder attachment for photographing nearby objects  
2940354 Combined range- and view-finders having projected frame lines  
2896500 Magnification power changing mechanism for view-and-range-finder having rotatable galilean type optical system  
3715161 Title is not available  
3588250 Title is not available  
Matches 1 - 47 out of 47