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| Number | Title | Issue Date |
| 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 instrument comprises a photodetector for detecting a reflection light enter... | 08/15/2006 |
| 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 condensation-crosslinking groups in which the silicon atoms are bonded to... | 09/02/2003 |
| 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 object being imaged. By virtue of the change in the image ... | 08/03/1999 |
| 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 generating source capable of producing a spot of laser lig... | 02/13/1996 |
| 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 a disc which is able to rotate with respect to the telesc... | 06/23/1992 |
| 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 force corresponding to the intensity of light absorbed, and us... | 02/14/1989 |
| 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 the light metering field of a photo-electric in-focus detect... | 08/23/1983 |
| 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 sensors are provided together with optical devices for pro... | 11/23/1982 |
| 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 system onto the object and by receiving the reflected light f... | 03/24/1981 |
| 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 being split into two elements along a plane inclined with rega... | 02/17/1981 |
| 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 determinate path in correspondence with camera focusing.... | 07/11/1978 |
| 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 rectangular field of view together with a secondary focusing im... | 07/11/1978 |
| 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 in space a pseudo-zoom assembly is provided including a m... | 07/11/1978 |
| 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 second sensing devices, each comprising a plurality of phot... | 03/16/1976 |
