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In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 5155628 | Optical transmission spectrometer An optical transmission spectrometer for transmission measurements of absorbing and scattering samples includes light sources mounted parallel to each other in a holder. The beams of light emanating from the light sources are directed through a beam-combi... | 10/13/1992 |
| 5073005 | Retro-reflective photogrammetric target A target for use in photogrammetry and automated theodolite systems comprising a rigid body having a support surface, a retro-reflective member comprised of a tape-forming substrate having normally a rearward surface and a forward surface an adhesive prov... | 12/17/1991 |
| 5069537 | Image deflecting device In an optical system comprising a plurality of lens units, one of which is used as a compensation lens unit capable of decentering to compensate for the image blur, an image magnification 댬 of the compensation lens unit satisfies the following cond... | 12/03/1991 |
| 5046795 | Apparatus for producing a distortion-free two-dimensional image of a scanned object In a scanning device capable of building a distortion-free two-dimensional image on a surface to be scanned. The scanning operation for two directions are independently executed. Employable is a linear light source. In this case, the scanning in one direc... | 09/10/1991 |
| 5018848 | Laser beam transmitting apparatus An apparatus for transmitting a laser beam supplied from a laser source to a working apparatus comprises a plurality of reflecting mirrors disposed in series between the laser source and the working apparatus to change the direction of the laser beam, a c... | 05/28/1991 |
| 4993820 | Optical instrument, in particular binoculars The optical instrument, in particular binoculars, is characterized by exhibiting an integral stable inner housing including the eyepiece tube, the objective tube, the prism seat and possibly the hinge mechanism. The inner housing is encased in plastic foa... | 02/19/1991 |
| 4986645 | Gun sighting telescope The invention relates to a gun sighting telescope with adjustable magnification and is characterized by an arrangement (10, 11) by which elevation adjustment of the sighting telescope is automatically controlled when the magnification factor of the sighti... | 01/22/1991 |
| 4986634 | Beam-combining laser beam source device A beam-combining laser beam source device comprising laser beam sources; collimator optical systems positioned in optical paths of laser beams radiated from the laser beam sources. Each of the collimator optical systems is constituted of a first lens sect... | 01/22/1991 |
| 4978200 | Optical image rotators An optical image rotator assembly has both a rotational axis and an optical axis. Provision is made for adjusting the alignment of the optical axis, both angularly and translationally, in relation to the rotational axis.... | 12/18/1990 |
| 4978196 | Display apparatus for a vehicle A display apparatus for a vehicle comprises a unit for projecting a display pattern provided by a display device onto a projecting face in front of a driver's seat; a unit for visually overlapping an outer landscape in front of a front glass and a virtual... | 12/18/1990 |
| 4978184 | Laser raster scanner having passive facet tracking A novel laser raster scanner that scans, in response to control signals from a controller, an exposure beam across a substrate by means of a rotating polygonal mirror having a plurality of reflective facets provides passive facet tracking by means of a pl... | 12/18/1990 |
| 4978197 | Beam-combining laser beam source device A beam-combining laser beam source device comprising first and second laser beam source sections, each of which includes laser beam sources, a collimator optical system and optical path adjusting elements, and a beam-combining optical element. Each collim... | 12/18/1990 |
| 4978199 | Finder optical system A finder optical system comprises a first reflecting surface disposed at an image side of an objective lens to reflect light flux passing through the objective lens obliquely upward on the exit pupil side, a roof surface consisting of two reflecting surfa... | 12/18/1990 |
| 4976527 | Beam-combining laser beam source device A beam-combining laser beam source device comprising an airtight housing and a laser beam source unit housed in the housing. The laser beam source unit comprises laser beam sources and collimator optical systems respectiely positioned in optical paths of ... | 12/11/1990 |
| 4974921 | Light beam scanning apparatus An apparatus provided with a first reflector for reflecting a light beam deflected by a deflector in a light beam scanning apparatus and a second reflector for directing the light beam from the first reflector toward an image forming point after contactin... | 12/04/1990 |
| 4971411 | Optical scanning system An optical scanning system includes a light source, a condenser lens for condensing a bundle of rays, a first image forming lens for converging the bundle of rays passed through the condenser to form a line image along a main scanning direction, a deflect... | 11/20/1990 |
| 4971412 | Laser optical system having a phase correction for controlling intensity distribution A laser optical system for obtaining a Gaussian distribution by correcting a phase laser beam oscillating in multi-transverse mode oscillated from a phase synchronous semiconductor laser or a broad contact semiconductor laser. The phase is corrected by mu... | 11/20/1990 |
| 4969714 | Helmet mounted display having dual interchangeable optical eyepieces Helmet mounted display apparatus for use in aircraft and rotorcraft includes an image source for generating images that are projected into the pilot's forward field of view by a portion of relay optics that are common to both day and night viewing and int... | 11/13/1990 |
| 4969713 | Marker strip surface for roadways and the like An improved retro-reflective beaded roadway marker strip and the like, formed of successive spaced segmented wedges as rows of trapezoidal blocks containing retro-reflective beads at least on their inclined front, side and rear surfaces and with the block... | 11/13/1990 |
| 4968124 | Vehicle viewing system A vehicle viewing system for use on vehicles to enhance the vehicles' safe operation by minimizing blind spots. The system has an objective assembly mountable on the vehicle with its field of view substantially encompassing a blind spot. The images within... | 11/06/1990 |
| 4967458 | Process for renewing cylinder heads A process for renewing a cylinder head, preferably a cast aluminum water cooled cylinder head from a used condition to a rebuilt condition suitable for reuse. In a qualifying stage the used cylinder head is stripped of removable parts, inspected, heat tre... | 11/06/1990 |
| 4968123 | Helmet mounted display configured for simulator use Helmut mounted display apparatus configured for simulator use includes a pair of visual image sources and a pair of optics arrangements, including relay optic and eyepiece portions thereof, that optically present the image source images into the wearer's ... | 11/06/1990 |
| 4964711 | Viewing device The present invention provides a viewing device, said device being positioned within the outer and inner surfaces of an entry door, to ascertain the identity of prospective entrants from within the confines of a dewlling. The device includes on the outer ... | 10/23/1990 |
| 4962997 | Three color separation using subtractive dichroic beamsplitters A structure is provided which receives light from a single source, separates the light into components, modulates the components with image information, and recombines the resultant image beams in order to form a multi-colored image. A small optical path ... | 10/16/1990 |
| 4962980 | Laser scanner engine with folded beam path A scanner module for use in a laser scanning system. The module is self contained within a housing having a window, and comprises a source of laser light, a mechanism for sweeping the laser beam within the housing to produce a scan pattern comprising at l... | 10/16/1990 |
| 4961626 | Direct incorporation of night vision in a helmet mounted display Helmet mounted display apparatus for use in aircraft and rotorcraft includes an first image source for generating images comprising pilotage symbol information, a second image source for sensing and generating images of the exterior scene, and relay optic... | 10/09/1990 |
| 4961636 | Revolving nose piece for optical components and process for adjusting the number of revolutions thereof A description is given of a rotating turret device, which has a number of optical components, for example, lenses, condensors, filters and stops, which may be brought into operating position individually in each case. Apart from a motor drive device (1-4)... | 10/09/1990 |
| 4960325 | Light protection apparatus and protective element subassembly therefor A light protection apparatus receives a beam of light having both a harmless light component and a harmful light component. The apparatus includes a housing having a forward end and a rear viewing end. A view aperture is located near the viewing end and r... | 10/02/1990 |
| 4958907 | Computer screen magnifier A holder for adjustably positioning a flatsheet magnifier proximate a visual display terminal comprises a mounting for retaining the magnifier and a support for extensibly positioning the mounting in a predetermined, spaced-apart relationship with the ter... | 09/25/1990 |
| 4958894 | Bouncing oscillating scanning device for laser scanning apparatus Beam sweeping apparatus for use in a scanning device. The apparatus comprises a mirror mounted on a pivot arm and arranged to be oscillated about an axis in an arc for sweeping a beam of light in a predetermined path. A pair of resilient are located adjac... | 09/25/1990 |
| 4958920 | Process and apparatus for the automatic focusing of microscopes Fast and versatile autofocusing for microscopes is achieved by the interaction of two known systems: a first, active autofocusing system (12) which projects at least one light dot on the object and develops a focusing signal dependent upon the character o... | 09/25/1990 |
| 4958913 | Magnifier lens assembly A magnifier lens assembly mounted within a lamp head including a barrel housing and a first, second and third lens, each of the lenses having a convex surface, an opposing substantially planar surface and a center axis of symmetry of the convex surface; t... | 09/25/1990 |
| 4957357 | Multiple axis reticle A reticle (10) permits the alignment of three orthogonal axes (X, Y and Z) that intersect at a common target point (30). Thin, straight filaments (12, 14 and 16) are supported on a frame (20). The filaments are each contained in a different orthogonal pl... | 09/18/1990 |
| 4957335 | Microsphere-based retroreflective articles with enhanced retroreflective brightness Microsphere-based retroreflective articles having exceptionally high retroreflective brightness, particularly at divergence angles of up to 0.5° may be made by selection of microspheres having defined combinations of average diameter and average refracti... | 09/18/1990 |
| 4955690 | Thin caliper retroreflective transfer A thin caliper retroreflective transfer comprising a monolayer of retroreflective elements in a support layer, the back stratum of which is a vulcanizable elastomer, and a premask releasably adhered to the front surface thereof to facilitate handling of t... | 09/11/1990 |
| 4953927 | Lens assembly for long-life laser imaging system A system for imaging a line comprises a laser for emitting a modulated laser-light beam, an image-receiving surface, and a reflective element between the laser and the surface for deflecting the beam in an x-direction of the line to be imaged onto the sur... | 09/04/1990 |
| 4953949 | Device for forming a picture For forming a composite picture, at least two transparent constituent pictures (12, 13) are arranged on behind the other with the transmittances of the individual picture elements (21-25) being selected in such a way that the average value of the products... | 09/04/1990 |
| 4953963 | Aviator's night vision system An aviator's night vision system (10) includes a small, compact, portable battery pack (68) separate from, and unattached to, a helmet (12), but comprising a container housing a battery (78) with a goggle assembly receptacle of the type that is mounted on... | 09/04/1990 |
| 4953961 | Light beam positioner A light deflection apparatus includes a pair of mirrors in confronting relationship, one of which is fixed in position and contains a central window, in which to input a laser light beam or in which to mount a suitable light beam generating source, such a... | 09/04/1990 |
| 4952024 | Three-dimensional sight and sound reproduction apparatus for individual use A three dimensional sight and sound reproduction apparatus for individual use is disclosed. The apparatus includes a headset having a central rib connecting an eye covering portion, a pair of depending lens and a rear portion. The eye covering portion sub... | 08/28/1990 |
