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| Number | Title | Issue Date |
| 4541695 | Zoom lens for cameras A camera zoom lens system comprising; means for generating and storing a first information signal representing a predetermined position of the first movable lens group, means for generating a second information signal whose value determines a relationship... | 09/17/1985 |
| 4526444 | Viewfinder apparatus A viewfinder assembly fabricated virtually exclusively of injection molded plastics includes a housing, four lens groups, four mirrors for folding the optical path and providing for proper image orientation, and mirror retainers. All of the components are... | 07/02/1985 |
| 4525041 | Arrangement for use in positioning an optical image An arrangement for use in positioning an optical image with respect to an optical axis includes a plane optical element which is tiltable through rotation of a first rotatable ring member to deflect an image on the axis in a first plane which includes the... | 06/25/1985 |
| 4496416 | Method and apparatus for adjusting and mounting optical components in optical instruments For the adjustment and mounting of an optical component in an optical instrument, the optical component is held by an adjusting device not forming part of the instrument. After the adjusting process is completed, the component is attached to the instrumen... | 01/29/1985 |
| 4488776 | Plastic lens cell An improved lens cell is provided wherein a pair of identical housing elements cooperate with an aperture member that has a surface configuration to both space and center lens elements that are retained within the housing elements.... | 12/18/1984 |
| 4468095 | Sight glass assembly A sight glass assembly comprising a first housing section having an opening therethrough, mountable on a vessel wall having an opening therethrough so that the first housing section opening registers with the vessel wall opening, the opening of the first ... | 08/28/1984 |
| 4440476 | Optical device for an intensifier tube An optical device for an intensifier tube having an elongated housing with a cylindrical chamber extending therethrough, an intensifier tube in said chamber, first and second annular means in said chamber. Fastener means in said housing for releasably fix... | 04/03/1984 |
| 4436375 | Sight glass apparatus A sight glass assembly comprising a housing structure having a circular opening therethrough, the opening having an enlarged section, a lens disposed across the opening and having a peripheral portion received within the enlarged section of the housing st... | 03/13/1984 |
| 4434786 | Adjustable solar heat collector Adjustable solar heat collector comprising an articulated chain of light condensing lenses for application to a tank, wherein each lens is adjustable toward and away from the tank and on inclination to receive the sun's rays as directly as possible.... | 03/06/1984 |
| 4431267 | Optical system which provides a collimated light beam An optical system which provides a collimated light beam, having a tubular holder, a semiconductor laser and a system of lenses incorporated in the holder, in which the semiconductor laser is positioned against an abutment in the axial direction of the ho... | 02/14/1984 |
| 4415235 | Sight glass/lens mounting assembly A window/lens mounting assembly that provides a method for securing both a lens component and a separate window element through the use of a single retaining ring. Said window, such as glass or plastic, serves both as a protective shield and a clear openi... | 11/15/1983 |
| 4408830 | Multidirectional translator mechanism The invention is a planar x-y translator for precision alignment of one p relative to another comprising a mounting plate holder, an adjustable cradle and a housing wherein the cradle is spring biased within the housing by multiple spring means at the to... | 10/11/1983 |
| 4372652 | Laminated gage glass assembly A gage glass assembly can be mounted in a standard pipe joint flange and has a sleeve with an inturned flange at the outer end and an outwardly extending flange at the inner end. A pair of cylindrical lenses inside the sleeve are interspaced by a plastic ... | 02/08/1983 |
| 4355867 | Spherical segment insertion apparatus An apparatus is provided for enabling selected structure to be joined to a pherical segment, such as a segment employed as a lens, viewing port or radiation transmissive housing. The apparatus includes a structure support component which is insertable into... | 10/26/1982 |
| 4319836 | Optical device of a copying apparatus A device for supporting and fixing at a predetermined position an optical member such as a lens barrel supporting therewithin a lens or a mirror which takes part in projecting the image of an original to be copied upon a photosensitive medium. The device ... | 03/16/1982 |
| 4313649 | Lens assembly A lens is fixed in a molded lens tube by a molded fastening ring. The fastening ring has a projection and the lens tube has a notch. The projection is elastically engaged in the notch so that the fastening ring is secured to the lens tube.... | 02/02/1982 |
| 4303306 | Lens assembly A lens assembly includes a barrel, the internal surface of which is formed with a lens abutment against which the peripheral edge of the front surface of a lens is supported. The free end of a preferably flexable lens fixing member is disposed to exert pr... | 12/01/1981 |
| 4258982 | Lens cell Lens cell for carrying a lens element of the type having spaced apart parallel planar registration faces on opposite ends thereof and at least one sidewardly extending tab, and comprising a cell body having a cylindrical wall defining an optical axis for ... | 03/31/1981 |
| 4206978 | Light reflecting magnifier This invention relates to a light reflecting magnifier primarily for reading and which consists of a magnifying lense mounted in a frame which spaces the lense in properly focused relation to a reading surface and which is circular and having a circular i... | 06/10/1980 |
| 4169309 | Method of making a sight glass assembly A method of making a sight glass assembly generally including forming a housing having an opening therethrough provided with an annular wall, forming a lens having an annular peripheral wall provided with a diameter greater than the diameter of the housin... | 10/02/1979 |
| 4162826 | Sight glass assembly and method for its production A high impact sight glass assembly and production method are described, in which the glass lens is fused into an enamel coated metal ring such that the glass lens is fused to the enamel coating and the entire glass area is under compression. The glass len... | 07/31/1979 |
| 4153340 | Construction of parts providing fits An assembly includes a male member fitted in the bore of a female member in a rigid or slidable manner, with at least one of the confronting peripheral surfaces of both members being formed with a plurality of equally spaced projections which are position... | 05/08/1979 |
| 4147412 | Fixture for mounting bar lens array in electrophotographic apparatus A bar lens array is mounted between an original document and a photoconductive member in such a manner that the ends of the bar lenses are equally spaced from the document and photoconductive member regardless of manufacturing differences in the length of... | 04/03/1979 |
| 4136466 | Artificial intraocular lens training device An apparatus for providing an adjustable aperture used in the practice of simulated artifical intraocular lens insertion comprising; a flexible diaphragm with a circular aperture therethrough, a cylindrical diaphragm mount for supporting the diaphragm, a ... | 01/30/1979 |
| 4068936 | Optical projection apparatus for image transfer type electrophotographic copiers Optical projection apparatus for an image transfer type electrophotographic copier, wherein prism-shaped reflecting members are disposed at both ends of an optical fiber type image transmitter formed by a bundle of optical fibers having graded refractive ... | 01/17/1978 |
| 4059345 | Fixture for mounting bar lens array in electrophotographic apparatus A bar lens array is mounted between an original document and a photoconductive member in such a manner that the ends of the bar lenses are equally spaced from the document and photoconductive member regardless of manufacturing differences in the length of... | 11/22/1977 |
| 4050799 | Microform reader The disclosure relates to a microform reader apparatus of the type which projects a magnified image of an image film frame onto the rear side of a viewing screen to facilitate forward viewing of the magnified image. The microform reader of the present inv... | 09/27/1977 |
| 4050792 | Observation port assembly An observation port assembly, arranged to be attached to a door and to permit a panoramic view with a maximum field of view of the area outside the door, including a boxshaped part, attachable to the outside surface of the door, having at least two optica... | 09/27/1977 |
| 4046458 | Centering of lenses A method of optically centering a lens, in which each lens is placed between two clamping pipes, after which the clamping pipes are moved towards each other. A pressurized fluid flows between the lens and bearing surfaces on the pipe ends to eliminate fri... | 09/06/1977 |
| 4016580 | Folding viewfinding and flash mounting assembly A folding Galilean viewfinder comprising a cap, an eye lens, an objective lens, a base member, a spring biased linkage connecting the parts together for movement between erected and folded positions, a flash receptacle in the cap, and flexible wiring conn... | 04/05/1977 |
| 3993399 | Universal holographic optics orientation assembly A holographic optics orientation assembly for a holographic recording unit having a laser holographic recording system for recording holograms of subjects situated within a holographic recording field of the recording system. The orientation assembly is a... | 11/23/1976 |
| 3989358 | Adjustable micrometer stage An improved mount for an optical lens or similar device for achieving X-Y adjustment which includes four diametrically opposed 90° spaced knife edges on a lens ring opposed on one side by a spring and on the other side by a micrometer adjustment to prov... | 11/02/1976 |
| 3957359 | Sight glass assembly A sight glass assembly adapted to be mounted across an opening in a vessel containing a fluid, generally including a housing having an opening registerable with a vessel opening, means for mounting the housing on such a vessel when the housing opening is ... | 05/18/1976 |
| 3942226 | Lens mounting clips A clip for mounting a disc in an aperture in a panel. The clip has a tubular body portion which can be inserted in the aperture in the panel. Projections on the body portion limit insertion of the clip through the aperture while additional projections spa... | 03/09/1976 |
| 3942881 | Sight glass assembly A sight glass assembly generally including a housing structure having an opening therethrough, the opening having an enlarged section providing a shoulder, a face plate having an opening registered with the opening in the housing structure, mounted on the... | 03/09/1976 |
| 3941460 | Quick-opening sight glass assembly A sight glass assembly generally including a first housing section having an opening therethrough, mountable on a container wall having an opening communicating with a fluid contained therein so that the housing section opening registers with the containe... | 03/02/1976 |