Wideband direction-finding system
I claim: 1. A wideband direction-finding antenna system comprising; a substantially cylindrical body having end portions; a multi-arm spiral antenna mounted on one end portion of said body; each arm o... Read More
Inventors: Mosko, Joseph A.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Device for calculating a discrete fourier transform and its application to pulse compression in a radar system
The invention is a device for calculation of discrete Fourier transforms, on a shifting temporal window, making it possible to minimize the number of operations. Another object of the invention is to ... Read More
Inventors: Elleaume, Philippe;, Assignee: Thomson-CSF (Paris, FR) |
Method of and apparatus for impregnating fabric reinforcement structures with a liquid impregnant
Having now described our invention, what we claim is: 1. A method of impregnating an elongate fabric reinforcement structure with an impregnant which is liquid at impregnation temperature and chemical... Read More
Inventors: Singer, Reginald D.; Holden, Brian J.; Hughes, John H.;, Assignee: Dunlop Limited (London, GB2) |
Aircraft lightning protection means
Briefly, and in general terms, our invention is preferably accomplished by providing conformable and lightweight lightning protection means including thin, perforated, dielectric and metallic layers o... Read More
Inventors: Amason, Myron P.; Kung, Joseph T.;, Assignee: McDonnell Douglas Corporation (Long Beach, CA) |
Control for an electrostatic treater
I claim: 1. An automatic voltage control system for limiting the power delivered to a grid of an electrostatic oil dehydrator so as not to exceed rated power of a step-up transformer by controlling th... Read More
Inventors: Siegel, Leon S.;, Assignee: Combustion Engineering, Inc. (Windsor, CT) |
Article having a scratch resistant lubricated glass surface
OF THE INVENTION In accordance with the invention, a scratch-resistant lubricated glass surface is manufactured by providing a charged spray of fine particles of a solid material, such as glass parti... Read More
Inventors: Scholes, Addison B.;, Assignee: Ball Corporation (Muncie, IN) |
Programmable controller for controlling reproduction machines
What is claimed is: 1. In a reproduction machine for producing impressions of an original, the reproduction machine having a photosensitive member and a plurality of discrete operating components coop... Read More
Inventors: Deetz, David R.; Fisk, Bernard C.; Donohue, James M.;, Assignee: Xerox Corporation (Stamford, CT) |
Image forming apparatus
An object of the present invention is to provide an apparatus capable of avoiding such limitations and allowing the use of the port normally assigned exclusively for data input or output, as well as f... Read More
Inventors: Nagashima, Nao;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Cleaning system
What is claimed is: 1. An electrophotographic printing machine of the type having residual toner particles adhering to a photoconductive member, wherein the improvement includes: electrically conducti... Read More
Inventors: Thayer, Bruce E.;, Assignee: Xerox Corporation (Stamford, CT) |
Sling identification means
I claim: 1. A sling having a product identification means thereon, said sling operable for use in moving an object and comprising: a first elongated tension member of predetermined diameter for placin... Read More
Inventors: Sharrow, Lawrence L.;, Assignee: C. C. Sharrow Company, Inc. (St. Paul, MN) |
System and method for data compression using multiple codewords and transmitted indices
It is an object of the invention to provide a data compression method and apparatus which reduces the memory, computation, and hardware requirements without correspondingly reducing the performance an... Read More
Inventors: Frost, Richard L.; Barnes, Christopher F.; Chabries, Douglas M.; Christiansen, Richard W.;, Assignee: Brigham Young University (Provo, UT) |
Antistatic, antislosh, flame arresting structure for use in containers holding flammable fluids
In accordance with the present invention there is provided a light weight, nonflammable structure in the form of a batting, fluff, web or the like, comprising of a multiplicity of heat set carbonaceou... Read More
Inventors: McCullough, Jr., Francis P.; Snelgrove, R. Vernon; Lane, Eckel R.; Hall, David M.;, Assignee: The Dow Chemical Company (Midland, MI) |
Latent looped yarn, a fabric made of the same, and a method for manufacturing the latent looped yarn
The object of the present invention is to overcome the technical drawbacks described above and to provide a new type of latent looped yarn which can be also used as a warp yarn of a high density fabri... Read More
Inventors: Shiojima, Minoru; Miura, Toshiaki; Nabeshima, Keitarou; Masuzaki, Satoru;, Assignee: Toray Industries, Inc. (Tokyo, JP); Toray Textile, Inc. (Osaka, JP) |
Time recorder
What we claim is: 1. A time recording device for use with a record medium on which time data are to be imprinted on respective lines of a column with each datum including as a first digit one of the g... Read More
Inventors: Willmann, Erich; Trischler, Gunther;, Assignee: Simplex Time Recorder Co. (Gardner, MA) |
Curable resin composition from epoxy compound and propargyl aromatic ether
What is claimed is: 1. A curable resin composition consisting of: (a) a polyepoxy compound which is the reaction product of a polyhydric phenol or a chlorine- or bromine-substituted derivative thereof... Read More
Inventors: Pigneri, Anthony M.; Vick, III, deceased, James;, Assignee: Shell Oil Company (Houston, TX) |
Stabilizing system for liquid hydrogen peroxide compositions
OF THE INVENTION Liquid hydrogen peroxide based household bleaching compositions are stabilized by the addition of small amounts of a two component system, i.e., a metal chelating or sequestering age... Read More
Inventors: Farr, James P.; Carty, Daniel T.;, Assignee: The Clorox Company (Oakland, CA) |
High aperture efficiency, wide angle scanning reflector antenna
A microwave single reflector antenna is provided with a large field of view and high aperture efficiency. The antenna exhibits good lateral scanning while preserving excellent focusing capabilities. T... Read More
Inventors: Rappaport, Carey M.;, Assignee: Northeastern University (Boston, MA) |
Soft magnetic alloy thin film with nitrogen-based amorphous phase
Accordingly, it is an object of the present invention to provide a soft magnetic alloy thin film having a high saturation magnetic flux density, a low coercive force, and a high magnetic permeability,... Read More
Inventors: Hayakawa, Yasuo; Makino, Akihiro;, Assignee: Alps Electric Co., Ltd. (Tokyo, JP) |
Stainless steel wire for reinforcing the crown of tires
We claim: 1. A stainless steel wire for reinforcing the crown of tires, this wire being characterised by the following features: a) its diameter is at least 0.05 mm and at most 0.6 mm; b) its tensile ... Read More
Inventors: Arnaud, Jean-Claude; Corsi, Patrick; Depraetere, Eric; Lamoureux, Christian;, Assignee: Compagnie Generale Des Etablissements Michelin-Michelin & Cie (FR) |
Analog-to digital conversion device having a standby mode
The object of the present invention is to overcome these drawbacks by proposing an analog-digital converter which has no external structure delivering a reference voltage and is controlled so as to en... Read More
Inventors: Gerber, Remi; Silloray, Janick;, Assignee: Matra MHS (Nantes, FR) |
Protective electrical discharge device
In practicing the invention, each of two heavy metal electrodes is provided with a recess in one surface. Each electrode is also drilled for mounting on an insulated rod or shaft with the recessed sur... Read More
Inventors: Pierce, Jr., Thomas V.;, Assignee: American Standard Inc. (Swissvale, PA) |
Apparatus for selectively displaying analogue quantities of plural input data signals
What is claimed is: 1. An apparatus for selectively displaying analogue quantities of plural input data signals, comprising: a plurality of input means for receiving a corresponding plurality of input... Read More
Inventors: Miyakawa, Nobuaki;, Assignee: Hitachi, Ltd. (JA) |
Damping device for an electromagnetically driven printing hammer
We claim as our invention: 1. In a system for actuating a printing hammer including at least one electromagnetic coil and a pivotable armature engageable with said printing hammer and magnetically att... Read More
Inventors: Treiber, Dieter; Kling, Adam; Heider, Ulrich;, Assignee: Siemens Aktiengesellschaft (Berlin & Munich, DE) |
Waveguide-tuned phased array antenna
I claim: 1. A phased array radar antenna comprising: a two dimensional array of hollow waveguide elements, each element having opposed ends with an opening at one of said ends; a plurality of tuning s... Read More
Inventors: Collier, Donald C.;, Assignee: |
Circularly polarized antenna system using a combination of turnstile and vertical dipole radiators
OF INVENTION A more detailed description of a preferred embodiment of the present invention follows in conjunction with the following drawings wherein: FIG. 1 is a perspective view of an antenna syst... Read More
Inventors: Ben-Dov, Oded;, Assignee: RCA Corporation (New York, NY) |
Lamp reflectors
I claim: 1. A lamp reflector comprising a dished body having a reflective coating on an inner surface thereof, said dished body being formed of a cured, low profile polyester moulding composition cont... Read More
Inventors: Lilley, John;, Assignee: Lucas Industries Limited (Birmingham, GB2) |
Centrifuge strobe lamp holder
What is claimed is: 1. A strobe lamp holder for illuminating a liquid interface in a transparent catch tube being spun in a centrifuge core measurement system comprising: a member having a symmetric t... Read More
Inventors: Montgomery, Melvin G.;, Assignee: Atlantic Richfield Company (Los Angeles, CA) |
Radiating source formed by a dipole excited by a waveguide and an electronically scanning antenna comprising such sources
What is claimed is: 1. A radiating source formed by a dipole with two stems excited by a rectangular-section waveguide, comprising a dielectric sheet in the form of a rectangular prism of length L.sub... Read More
Inventors: Dupressoir, Albert; Salvat, Francois;, Assignee: Thomson-CSF (Paris, FR) |
Broad-band microstrip antenna
What I claim is: 1. An antenna for the reception of electro-magnetic radiation, comprising a receiving member including at least one receiving element having an insulating substrate plate with a condu... Read More
Inventors: Pues, Hugo F.;, Assignee: Leuven Research & Development v.z.w. (BE) |
Apparatus and method for sensing downhole conditions
What is claimed is: 1. An apparatus for sensing pressure in a well, comprising: a housing including a driving fluid chamber, an accumulator chamber and having valve means disposed therein, a first ope... Read More
Inventors: Skinner, Neal G.;, Assignee: Halliburton Company (Duncan, OK) |
Radio 
