Closure for an opening of a coking oven
Accordingly, it is a general object of the present invention to avoid the disadvantages of the prior art. More particularly, it is an object of the present invention to design a closure for a coking o... Read More
Inventors: Dix, Kurt;, Assignee: G. Wolff Jr. Kommanditgesellschaft (Bochum-Linden, DT) |
Connector-to-connector adaptor
What is claimed is: 1. A connector-to-connector adaptor for positively mating a first connector to a mismatched second connector comprising: (a) an adaptor shell having a first means for engaging said... Read More
Inventors: Giannaula, Joseph J.; Reever, Kenneth P.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Apparatus for making connection insulators
Methods and apparatus are disclosed for fabricating connection insulators having a plurality of insulating compartments for electrically isolating electrical connections. One method that exemplifies t... Read More
Inventors: Moodie, Eldon E.; Burns, Richard D.;, Assignee: General Electric Company (Fort Wayne, IN) |
Polarizing device with optically contacted thin film interface for high power density ultraviolet light
What is claimed is: 1. In an optical device for use at a design wavelength of approximately 308 nanometers, a first piece of glass having a first mating surface, a second piece of glass having a secon... Read More
Inventors: Kardos, Thomas A.; Kinley, Fred G.;, Assignee: Advanced Intervention Systems, Inc. (Irvine, CA) |
Color compensation filter
OF THE INVENTION FIG. 1 illustrates the effect on the spectrum of the layered interference filter system of this invention. A wide, basin-shaped saddle between 470 nm and 580 nm can be seen in the gr... Read More
Inventors: Gunkel, Claus; Hisge, Erwin;, Assignee: Leica Mikroskopie und Systeme GmbH (Wetzlar, DE) |
Color contrast sensitivity measuring device
The relationships between color perception and spatial frequency in terms of their effect on detection sensitivity within the human visual system, as well as general electro-optical systems, have yet... Read More
Inventors: Task, Harry L.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Liquid crystal light valve projector with improved contrast ratio and with 0.27 wavelength compensation for birefringence in the liquid crystal light valve
In a liquid crystal light valve projector, it is desirable to have an off or black level that is as black as possible, with black being defined as the absence of projected light. As the black level da... Read More
Inventors: Schmidt, Jack H.; Nestorovic, Ned; Sterling, Rodney D.; Haggerty, Joseph M.; Ruiz, Javier A.; Edwards, Robert; Hollister, Roger;, Assignee: Hughes-JVC Technology Corporation (Carlsbad, CA) |
Air-core grid for scattered x-ray rejection
It is an object of the present invention to provide a grid for an x-ray imaging apparatus. A further object of the invention is to provide an air-core grid for scattered x-ray rejection, and to a proc... Read More
Inventors: Logan, Clinton M.; Lane, Stephen M.;, Assignee: Regents of the University of California (Oakland, CA) |
Imaging system for obtaining X-ray energy subtraction images
A primary object of the present invention is to provide an improved imaging system which enables the need for image positioning operations to be eliminated and the appearance of artifacts due to posit... Read More
Inventors: Ueda, Ken; Umetani, Keiji; Suzuki, Yoshio;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Radiographic table system
An important aspect of this invention is to provide a rigid fluoroscopic staging apparatus capable of independently supporting up to and including a three port spot film system above a radiographic fl... Read More
Inventors: Marinkovich, Cedomir S.; Crimmins, William M.;, Assignee: Litton Industrial Products Inc. (Beverly Hills, CA) |
Optical pickup head
It is an object of this invention to provide an improved optical pickup head. According to a first aspect of this invention, an optical pickup head operating on an optical recording medium comprises a... Read More
Inventors: Kadowaki, Shinichi; Komma, Yoshiaki; Nishino, Seiji;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Optical pickup apparatus and a hologram element used for same
What is claimed is: 1. An optical pickup apparatus comprising: a light emitting means for emitting light beams; an optical scanning means for scanning a recording medium with said light beams; a holog... Read More
Inventors: Miyake, Takahiro; Yoshida, Yoshio; Kubo, Katushiro; Ueyama, Tetsuo; Kubata, Yukio;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Automatic disc changer for a disc reproducing system
OF THE PREFERRED EMBODIMENT Referring to FIG. 1, a disc reproducing system having an automatic disc changer system according to the present invention comprises a casing 100, and a door 110 provided i... Read More
Inventors: Enomoto, Kazuhisa; Yamazaki, Takao; Azuma, Taiki; Tarutani, Shinji; Gokita, Hidetoshi;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Biaspherical lens
What is claimed is: 1. An lens having two aspheric refractive surfaces, said lens comprising: a lens substrate, said lens substrate being a sphere; and first and second layers of transparent plastic o... Read More
Inventors: Braat, Josephus J. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
Focus detecting apparatus with both passive and active focus capability
The present invention has been devised with a view to substantially eliminating the above described problems inherent in the prior art systems. The essential object of this invention is to provide an ... Read More
Inventors: Matsui, Toru; Kimura, Kazuo;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JP) |
Stationary optical spectroscopic imaging in turbid objects by special light focusing and signal detection of light with various optical wavelengths
It is accordingly an object of the present invention to provide an apparatus which combines spectroscopy and imaging capabilities. It is a more specific object of the invention to permit high spatial ... Read More
Inventors: Knuttel, Alexander;, Assignee: |
Adjustment of dot size for laser imagers
This invention is intended to provide a more uniform print image with printers that use a pixelated image, and in order to improve the resolution, more precise color imaging and better control of opti... Read More
Inventors: Trask, Jeffrey L.; Esplin, Rulon G.; Pitou, David S.; Benear, Richard H.; Kazakoff, James A.; Hoffmann, Brian;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Optical signal processing system and method
I. Preparing Density-Modulated Transparency One method of recording a one-dimensional signal on a transparency is to use the signal to density modulate photographic film. This technique utilizes the ... Read More
Inventors: Brockman, William Harry; Cannata, Robert Frank;, Assignee: Iowa State University Research Foundation, Inc. (Ames, IA) |
Isolator for high power radiation
We claim: 1. An optical device comprising: frequency-insensitive spatial filter means, disposed along an axis, for passing radiation traveling along a path within a predetermined angle of said axis an... Read More
Inventors: Brown, Clyde O.; Smith, David C.;, Assignee: United Technologies Corporation (Hartford, CT) |
Laser target speckle eliminator
What is claimed is: 1. A laser target speckle eliminator for use with a linearly polarized laser light beam emitted by a laser having a known coherence length, wherein said laser light beam is polariz... Read More
Inventors: Scully, Charles N.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Distributed feedback laser
We claim: 1. A distributed feedback laser for generating laser radiation, comprising: an active laser medium; a pump radiation source for generating a beam of pump radiation directed along a pump radi... Read More
Inventors: Szatmari, Sandor; Schaefer, Fritz P.;, Assignee: Max-Planck-Gesellschaft Zur Foerderunf Der Wissenscheften e.V. (DE) |
Dye lasing arrangement including an optical assembly for altering the cross-section of its pumping beam and method
In view of the foregoing, one object of the present invention is to improve the efficiency of operation of a lasing arrangement of the general type described above in an uncomplicated manner. A more p... Read More
Inventors: O'Neil, Richard W.; Sweatt, William C.;, Assignee: The United States of America as represented by the Department of Energy (Washington, DC) |
Method for absolutely measuring the diffraction grating spacing and apparatus thereof
Therefore, an object of the present invention is to provide a method utilizing a new laser diffractometer, which overcomes the disadvantages of conventional techniques for measuring the diffraction gr... Read More
Inventors: Yoon, Tai-Hyun; Eom, Cheon-Il; Chung, Myung-Sai;, Assignee: Korea Research Institute of Standards and Science (Daejeon-Si, KR) |
Focus error detecting apparatus
The present invention has for its object to provide a focus error detecting apparatus in which the positions of the optical elements constituting the apparatus can be adjusted easily and the focusing ... Read More
Inventors: Musha, Toru; Yamazaki, Takeshi;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
Optical disk recording device using two modulated laser beams for recording information data
What is claimed is: 1. An optical disk drive comprising: an optical disk having a data layer with tracks for the storage of data, the data layer being responsive to heat; two lasers having their laser... Read More
Inventors: Hurst, Jr., Jerry E.; Rubin, Kurt A.; Hsieh, Yenyu;, Assignee: International Business Machines Corporation (Armonk, NY) |
Axial magnetic actuator
It is an object of the invention to overcome the problems in the prior art and to provide a magnetic actuator which has improved operating characteristics. In accordance with one aspect of the present... Read More
Inventors: Mody, Hemant K.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Device for lateral adjustment of lenses in a high-performance lens system
The primary object of the present invention is to provide a novel device in which a lens or lens group can be reliably held in position in a high-performance lens system even when mechanically loaded ... Read More
Inventors: Balogh, Istvan; Schmidt, Joerg-Peter;, Assignee: Jenoptik GmbH (Jena, DE) |
Lens barrel having a piezoelectric actuator for moving optical elements
It is a main object of the present invention to provide a lens barrel having an improved drive mechanism for an optical system. It is another object of the present invention to provide a small-sized a... Read More
Inventors: Ueyama, Masayuki; Kuwana, Minoru; Nagata, Hideki;, Assignee: Minolta Co., Ltd. (Osaka, JP) |
Method and apparatus for positioning and fixating an optical element
The optical element described as an example in this application is a mirror 8. An optical element may as well be for instance a lense, a prism, an optical filter, a wave plate, a linear crystal, a no... Read More
Inventors: Richard, Derek J.; Byer, Mark; Mitchell, Gerald; Conway, George;, Assignee: Lightwave Electronics (Mountain View, CA) |
Optical projector
The invention generally relates to optical projectors for producing color images on screens in response to tri-color pixel image data. More particularly, the invention concerns an optic engine archite... Read More
Inventors: Brice, Steve; Kingsley, Gary; Payne, David;, Assignee: Delta America Ltd. (Fremont, CA) |
Optical Systems 
