Illuminating system for the visual inspection of objects
I claim: 1. An illuminating system for visual inspection of objects with a light source, characterized in that: (a) a partly reflecting mirror is arranged crosswise in the optical path of a light sour... Read More
Inventors: Willing, Achim;, Assignee: |
Hybrid diffractive optical filter
The present invention is a hybrid combining of a planar interference stack with a nonplanar diffractive grating. This hybrid optical filter may or may not include a planarization layer between the dif... Read More
Inventors: Nelson, Scott A.; Cox, J. Allen; Jorgenson, Gordon V.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
High-efficiency, multilevel, diffractive optical elements
What is claimed is: 1. Method for making high-efficiency, multilevel, diffractive optical elements comprising: generating at least one binary amplitude mask including multilevel information, the mask ... Read More
Inventors: Swanson, Gary J.; Veldkamp, Wilfrid B.;, Assignee: Massachusetts Institute of Technology (Cambridge, MA) |
Weighted-sum processing method and apparatus for decoding optical signals
It is thereafter an object of the present invention to provide a more reliable method and apparatus for detecting and decoding optical signals. It is a further object of the invention to provide a met... Read More
Inventors: Harres, Daniel N.;, Assignee: McDonnell Douglas Corporation (St. Louis, MO) |
Optical instrument for measuring displacement
This invention has been made in order to take measures against the problems mentiond above and an object of this invention is to provide an optical instrument for measuring displacement, which elimina... Read More
Inventors: Taniguchi, Kayoko; Tsuchiya, Hideki; Toyama, Masaaki;, Assignee: Sony Magnescale Incorporation (Tokyo, JP) |
Diffraction encoded position measuring apparatus
In FIG. 1 a laser source supplies a light beam signal on a path or beam labeled 10. This beam is passed through a block 12 labeled AOM for acouso-optic modulator which superimposes a modulated signal... Read More
Inventors: Tansey, Richard J.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Simulated objects
What is claimed is: 1. An article comprising a two dimensional reproduction of a surface of an object on a sheet of transparent material, a reflective backing, and a protective coating of a clear resi... Read More
Inventors: Pauley, Gerald R.;, Assignee: Australian Gem Exchange Pty. Ltd. (Braeside, AU) |
Telecommunications system for transmitting images
The object on which the invention is based consists in setting up a telecommunications system for transmitting images, in particular black-and-white individual images, which makes possible transmissio... Read More
Inventors: Pornbacher, Fritz;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Optical waveguide device with phase matching layers
It is an object of the present invention to provide an optical waveguide device which, even though the thickness of the device is made very small, produces almost no deleterious crosstalk.... Read More
Inventors: Shirasaki, Masataka; Obokata, Takeshi;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Optical arrangement having a concave mirror or concave grating
It is an object of the invention to provide the simplest possible correction of astigmatism in concave mirrors and concave gratings, or in the case of holographically produced concave gratings to obta... Read More
Inventors: Bittner, Reinhold;, Assignee: Carl-Zeiss-Stiftung (Heidenheim, DE) |
Cassette having an information disc
It is an object of the invention to provide a cassette of which does not have the drawbacks of the prior-art cassettes, which combines an optimum rigidity of the housing with an optimum accessibility ... Read More
Inventors: Ouwerkerk, Cornelis; Beijersbergen Van Henegouwen, Cornelis;, Assignee: U.S. Philips Corporation (New York, NY) |
Optical systolic array processing
I claim: 1. A method for providing a series of analog quantities that are proportional respectively to the components of a third array that is the product of a first array of components multiplied by ... Read More
Inventors: Caulfield, Henry J.; Rhodes, William T.;, Assignee: Battelle Development Corporation (Columbus, OH) |
Optical digital matrix multiplication apparatus
Another object of this invention is to provide an updatable programmable mask for use in performing digital matrix multiplication using cavityless, optical bistability. Still another object of this in... Read More
Inventors: Dagenais, Mario; Sharfin, Wayne F.; Seymour, Robert J.;, Assignee: GTE Laboratories Incorporated (Waltham, MA) |
Wide angle line scanner
The present invention overcomes the stray radiation, ghost imaging, and narcissus effects of the prior art by incorporating in the system at least two light absorbing baffles which are strategically p... Read More
Inventors: McCracken, William L.; McDonald, Paul D.; Kirschner, Roger S.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Sample-moving automatic analyzing apparatus
An object of the present invention is to eliminate the aforementioned problems and provide a sample.moving sample and apparatus malfunction during irradiation with an electron beam can be prevented by... Read More
Inventors: Komi, Hideto;, Assignee: Shimadzu Corporation (Kyoto, JP) |
Optical memory having serially stocked hologram plates
What is claimed is: 1. An optical memory device comprising: means for generating a scanning light beam, a first hologram plate adjacent said generating means and transparent except for an array of sub... Read More
Inventors: Wako, Shoji;, Assignee: Xerox Corporation (Stamford, CT) |
Lens testing using total internal reflection holography
I claim: 1. In a process for holographically testing concave and convex surfaces wherein a hologram serves as both a master and an illuminating source for said surfaces to be tested, said process requ... Read More
Inventors: Hildebrand, Bernard P.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Composite T-shirt construction
OF THE PREFERRED EMBODIMENT In FIG. 1 can be seen composite clothing article 10 and more particularly shirt 12 which can be, for example, a T-shirt having silk-screened or otherwise imprinted thereon... Read More
Inventors: Bottom, James T.; Arnold, James J.; Thompson, Francis P.;, Assignee: |
Woven endless tire reinforcing belt and method for producing same
In accordance with the present invention, a woven endless tire reinforcing belt is provided comprising a first belt portion having width W.sub.1, and at least one additional belt portion having width ... Read More
Inventors: Oswald, Richard W.;, Assignee: The Armstrong Rubber Co. (New Haven, CT) |
Holographic scanner control based on monitored diffraction efficiency
The present invention is an optical scanner in which the actual diffraction efficiency of the active region of a holographic facet is monitored on a real time basis and used to adjust one or more oper... Read More
Inventors: Cato, Robert T.; Dickson, LeRoy D.; Stokes, Jr., Olen L.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Display device for ergonomic sights with a large field of observation
Accordingly, an object of the present invention is to provide a device for the production of ergonomic helmet-mounted sights with a large field of observation and improved energy efficiency, in which ... Read More
Inventors: Monnier, Laurent; Gerbe, Jean-Pierre;, Assignee: Thomson-CSF (Puteaux, FR) |
Optical position sensor for scanning probe microscopes
Accordingly, it is an object of the invention to provide a scanning probe microscope which is capable of high accuracy with a larger linear range of measurement than has been achieved in the closest p... Read More
Inventors: Marshall, Daniel R.;, Assignee: Wyko Corporation (Tucson, AZ) |
Indication display unit for vehicles
In order to solve the aforementioned existing problems, the present invention suggests an indication display unit for vehicles equipped with two reflecting means shifting mechanisms; one of which can ... Read More
Inventors: Aoki, Kunimitsu; Iino, Tadashi;, Assignee: Yazaki Corporation (Tokyo, JP) |
Optical mixer for helmet visual display system
What is claimed is: 1. A visual display system for use in a helmet, comprising: a light intensifier tube for presenting a night vision image; a cathode-ray tube for presenting a synthetic image; an d ... Read More
Inventors: Gerbe, Jean-Pierre; Perbet, Jean-Noel;, Assignee: Sextant Avionique (Meudon La Foret, FR) |
Mirror alignment and/or figure sensing with surface mounted holographic optical elements
FIG. 1 shows, by way of example in the practice of the invention, a telescope 20 comprising a primary mirror 22 and a secondary mirror 24 for viewing a distant subject 26. Rays 28 of radiation emanat... Read More
Inventors: Zmek, William; Shen, Gon-Yen;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Liquid crystal display device backlit by LED's coupled to printed circuit board
The present invention is to solve the problems in the conventional devices. The primary object of the present invention is to provide a liquid crystal display device which can achieve a reduction in w... Read More
Inventors: Nakamura, Yasuo; Furuya, Etsuo;, Assignee: Koito Manufacturing Co., Ltd. (Tokyo, JP) |
Spectrometer with combined visible and ultraviolet sample illumination
Fluorescent whiteners are commonly used by manufacturers to make a product brighter or whiter The fluorescent whiteners achieve the desired effect by responding to ultraviolet light and emitting visib... Read More
Inventors: Keane, Thomas J.;, Assignee: Pacific Scientific Company (Anaheim, CA) |
Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens
Based upon the foregoing, there is found to be a need to provide a multifocal lens configuration which provides an accommodative effect simulating that of the non-presbyopic phakic eye, thereby result... Read More
Inventors: Volk, Donald A.;, Assignee: |
Nondestructive dynamic controller for thermoplastic development
This invention lies in the general area of thermoplastic-photoconductive recording. In the U.S. Pat. No. 3,976,354 "Holographic Memory with Moving Memory Medium" issued to Braitberg and Lee, and assig... Read More
Inventors: Bernal G., Enrique; Lee, Tzuo-Chang;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Stationary hologram scanner
The present invention has been achieved in view of the above described circumstances. It is a first object of the present invention to provide a stationary hologram scanner which can read bar codes wi... Read More
Inventors: Mikami, Izumi; Nishi, Kazurou; Harada, Takashi; Edo, Hidekazu; Hatanaka, Yasuchika;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Optical Systems 
