Beam scanning apparatus
To solve the above problems, it is an object of the present invention to provide a compact beam scanning apparatus adopting a deflection disk instead of a rotating polygonal mirror. Accordingly, to ac... Read More
Inventors: Eum, Jae-yong; Lee, Wong-hyung; Cho, Sung-min;, Assignee: Samsung Electronics Co., Ltd. (Kyungki-Do, KR) |
Beam alignment system
OF THE DRAWINGS FIG. 1 is a schematic representation of the beam alignment system of this invention; FIG. 2 is a pictorial representation of the beam alignment system of this invention illustrative o... Read More
Inventors: Durran, Donald A.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Laser alignment servo method and apparatus
The invention is a servo method and apparatus for maintaining laser beam alignment. An operating parameter of the laser (such as output beam power) is measured, and error signals are generated from th... Read More
Inventors: Hobart, James L.; Mefferd, Wayne S.; Peuse, Bruce;, Assignee: Coherent, Inc. (Palo Alto, CA) |
Alignment control system for lasers
In accordance with a first aspect of the subject invention, an approach is disclosed for compensating for lateral alignment variations in a beam created by varying thermal lens effects in a solid stat... Read More
Inventors: Negus, Daniel K.;, Assignee: Coherent, Inc. (Palo Alto, CA) |
Fiber optic dye amplifier
OF THE PREFERRED EMBODIMENT Brief Description of the Drawings FIG. 1 is a drawing of the amplifier system of the invention. FIG. 2 is a cross sectional view of the fiber 20 taken along the view line ... Read More
Inventors: Shaw, Herbert J.; Digonnet, Michel J. F.; Bergh, Ralph A.; Sorin, Wayne V.; Kolner, Brian H.;, Assignee: Board of Trustees of the Leland Stanford Junior University (Stanford, CA) |
Battery post clamp
I claim: 1. In a battery terminal clamp of the type in which a pair of conductive clamping members have cooperable recesses for engaging a battery terminal and the clamping members are pivoted at and ... Read More
Inventors: Bell, Joseph P.;, Assignee: |
Optical scanner having multiple, simultaneous scan lines with different focal lengths
The present invention improves scanner reading performance by increasing the effective density of a scan pattern. Two or more scan lines are generated simultaneously with each line being focussed at a... Read More
Inventors: Broockman, Eric C.; Cato, Robert T.; Dickson, LeRoy D.;, Assignee: International Business Machines Corp. (Armonk, NY) |
Photoreceptor matrix for optical video playback system
What is claimed is: 1. In an optical readout system for scanning a video record with a reading beam of energy to derive information stored in a track on said record, a photoreceptor matrix comprising:... Read More
Inventors: Adler, Robert; Rennick, John L.;, Assignee: Zenith Radio Corporation (Chicago, IL) |
Optical information processing apparatus having offset adjusting circuit which can be exchanged together with optical head
It is an object of the present invention to solve the problems in the conventional techniques as mentioned above and to provide an optical information processing apparatus in which there is no need to... Read More
Inventors: Suzuki, Yasuo; Aoi, Shigeru;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Synchronous wavelength drive and data acquisition conversion for a sequential spectrophotometer
Generally speaking, and in accordance with the invention a sequential spectrophotometer system is provided having a light source, a scanning type monochromator, a stepper motor means for changing the ... Read More
Inventors: Wittmer, Charles M.;, Assignee: The Perkin-Elmer Corporation (Norwalk, CT) |
Distance measuring apparatus
It is an object of the invention to avoid the described disadvantages of the prior art by providing a distance measuring apparatus which projects a light beam to an object being photographed or determ... Read More
Inventors: Fukuoka, Kenji;, Assignee: Olympus Optical Company Ltd. (Tokyo, JP) |
Spectroscopic ellipsometer
What is claim is: 1. A spectroscopic ellipsometer comprising a sample, illumination means having a focal point for illuminating a surface of said sample at a given angle of incidence, analyzing means ... Read More
Inventors: Le Bris, Jean; Erman, Marko;, Assignee: U.S. Philips Corporation (New York, NY) |
Method of optically detecting position of object and position detecting apparatus using the method
Accordingly, an object of the present invention is to provide a method of optically detecting the position of an object, as well as a position detecting apparatus, capable of reproducing code informat... Read More
Inventors: Ishizuka, Koh; Nishimura, Tetsuharu; Tsukiji, Masaaki; Satoh, Chikara; Ishii, Satoshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Fiber optic interferometer using two wavelengths or variable wavelength
Accordingly, one object of the present Invention is to provide a novel physical sensor. Another object is to provide a novel physical sensor utilizing a fiber optic interferometer. Still another objec... Read More
Inventors: Giallorenzi, Thomas G.; Sheem, Sang K.; Taylor, Henry F.;, Assignee: |
Folding arm for overhead projector
The foregoing objective is achieved in a portable overhead projector having a folding arm. The arm is pivotally connected to the base, and is part of a four-bar linkage which includes the housing of t... Read More
Inventors: Carpenter, Robert S.; Roden, Dennis J.; Rodriguez, Ernesto M.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Sequential control circuit means
Accordingly, an esential object of the present invention is to provide a sequential control circuit means for controlling the sequential functioning of a plurality of independently driven devices incl... Read More
Inventors: Arai, Kenichi; Shibazaki, Kenji; Kitagawa, Tsuneo; Murata, Tomoji; Nagata, Kenzo;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JP) |
Film feeding apparatus
The present invention aims to eliminate the above-mentioned conventional drawbacks, and, therefore, an object of the present invention is to provide a film feeding apparatus which is applicable to rea... Read More
Inventors: Sashida, Minoru; Yanagi, Masaaki; Okitsu, Katsuhiko; Higuchi, Hirokazu;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Ultrasonic frequency synthesizer for phaco surgery
An ultrasonic frequency synthesizer for a phaco surgery handpiece in accordance with the present invention generally includes means for storing a plurality of sets of digital information with each set... Read More
Inventors: Lehmer, Donald E.;, Assignee: Allergan, Inc. (Irvine, CA) |
Compression and expansion circuitry for a recording and playback system
Referring to the drawings and particularly to FIGS. 1 through 3, an apparatus includes a first optional scanner 10 and a second optical scanner 12 which are adapted to scan beams of electromagnetic e... Read More
Inventors: Russell, James T.;, Assignee: Jacobs; Eli S. (New York, NY) |
Disc reproducing system
It is a general object of the present invention, in one aspect thereof, to provide a novel and useful information signal recording medium of rotary type in which the above described problems encounter... Read More
Inventors: Wada, Yoshiyo; Kinjo, Hisao; Ueno, Ichiro;, Assignee: Victor Company of Japan Ltd. (Yokohama, JP) |
High voltage switch structure with light responsive diode stack
What is claimed is: 1. An electrical switch, device comprising: a first PIN diode comprising a substantially intrinsic first semiconductor portion including mutually opposed first and second flat surf... Read More
Inventors: Rosen, Har'el; Rosen, Arye;, Assignee: General Electric Company (Morrestown, NJ) |
Liquid crystal display device having electrodes shaped to compensate for positioning error
In a matrix-type liquid crystal display of the present invention as illustrated in the below-described embodiments, the scanning electrodes and the two sets of signal electrodes are formed in the know... Read More
Inventors: Iwashita, Yukihiro; Ueno, Kotaro;, Assignee: Seiko Epson Corporation (Tokyo, JP) |
High speed signal and power supply bussing for liquid crystal displays
The present invention is directed to a Liquid Crystal Display (LCD) device comprising an optically active display region and a power supply and data signal distribution region which is adapted to incl... Read More
Inventors: Stewart, Roger G.; Ipri, Alfred C.;, Assignee: David Sarnoff Research Center, Inc. (Princeton, NJ) |
Ferroelectric smectic liquid crystal device
It is therefore an object of the present invention to provide a ferroelectric smectic liquid crystal device in a uniform bistable alignment state, which shows a high stability against an impact or dis... Read More
Inventors: Hanyu, Yukio; Kanbe, Junichiro; Kawagishi, Hideyuki; Inaba, Yutaka;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Optical signal transmission system, particularly optical cable television system, with monitoring and service-channel facilities
The invention eliminates the need to convert the optical useful signal to an electric signal. In addition, the means according to the present invention are suited to setting up a so-called service cha... Read More
Inventors: Heidemann, Rolf;, Assignee: Alcatel N.V. (Amsterdam, NL) |
Liquid crystal cell
What we claim is: 1. Process for the manufacture of a liquid crystal cell having a film of liquid crystal between a first wafer, covered with a first system of electrodes and a second transparent wafe... Read More
Inventors: Borel, Joseph; Toupillier, Louise Peccoud nee; Robert, Jacques;, Assignee: Commissariat a l'Energie Atomique (Paris, FR) |
Liquid crystal devices having uniform thermal expansion coefficient components
Hence, an objective of this invention is to devise a liquid crystal cell which will not warp or deteriorate with time. Another objective of the invention is to provide structural support members throu... Read More
Inventors: Piliavin, Michael A.; Csanky, Geza;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Copper texturing process
The invention is a room-temperature dry process for texturing copper, to improve adhesion of coatings to the copper surface through mechanical as well as chemical bonding. An iodine plasma is produced... Read More
Inventors: Cuomo, Jerome J.; Leary, Pamela A.; Yee, Dennis S.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Lock for loading and unloading goods into a treatment apparatus having a protective atmosphere
The present invention is directed to creating a lock for loading and unloading a treatment facility for bulk material which lock operates under the exclusion of air and has conveyor means which are ut... Read More
Inventors: Birkle, Siegfried; Gehring, Johann;, Assignee: Siemens Aktiengesellschaft (Berlin & Munich, DE) |
TFT array for liquid crystal displays allowing in-process testing
The aforementioned problems are overcome and other advantages are realized by an array of TFT devices fabricated, in accordance with the invention, such that each of the TFT devices is provided with a... Read More
Inventors: Alt, Paul M.;, Assignee: IBM Corporation (Armonk, NY) |
Optical Systems 
