Coordinate system transformation apparatus for a high resolution radar
It is an object of the present invention to reduce the number of computations required to produce an image in a high resolution radar system. It is another object of the present invention to simplify ... Read More
Inventors: Hopwood, Francis W.; Kane, Jerry A.; Ioannidis, George A.; Decker, Martin J.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Radar processing apparatus and method
To address the performance concerns raised by the use of an ASR-9 in an urban airport setting while minimizing the cost associated with achieving the desired performance results, an existing ASR-9 is ... Read More
Inventors: Pieronek, James V.; Gertz, Jeffrey L.;, Assignee: Massachusetts Institute of Technology (Cambridge, MA) |
Directional particle filter
What is claimed is: 1. A directional particle filter for selectively blocking specific particles whose projected paths intersect a predetermined point relative to the filter comprising a plurality of ... Read More
Inventors: Griscom, Daniel T.;, Assignee: |
Thermochromic compositions
OF THE INVENTION Basic copper carbonate is a known compound and is generally designated by the formula CuCO.sub.3.Cu(OH).sub.2. The compound is green in color and, as reported by Day in the article m... Read More
Inventors: White, Lawrence J.; Gen, Tamar G.;, Assignee: Raychem Corporation (Menlo Park, CA) |
Thermochromic composite oxide and method for detecting temperature therewith
OF THE PREFERRED EMBODIMENTS As is described above, the thermochromic substance of the invention is a composite oxide of strontium and manganese having a specific thermochromic characteristic as prep... Read More
Inventors: Kuroda, Masanori; Araki, Michio;, Assignee: Japan as represented by Director General of Agency of Industrial Science (Tokyo, JP) |
Optical temperature indicator using thermochromic semiconductors
According to its major aspects this invention is a composition to indicate temperature by utilizing thermochromic semiconductor material. Another object of the invention is to place the thermochromic ... Read More
Inventors: Kronberg, James W.;, Assignee: |
Cost-effective side-coupling polymer fiber optics for optical interconnections
It is, therefore, an object of the present invention to provide a low cost optical fiber coupler apparatus and method for fabrication thereof. It is another object of the present invention to provide ... Read More
Inventors: Fasanella, Kenneth W.; Li, Yao; Wang, Ting;, Assignee: NEC Research Institute, Inc. (Princeton, NJ) |
Pipe-lined CCD analog-to-digital converter
What is claimed is: 1. An analog-to-digital converter comprising: a plurality, n in number, of CCD comparator structures, each for furnishing a respective output indication of first or second sort dep... Read More
Inventors: Sauer, Donald J.;, Assignee: RCA Corporation (New York, NY) |
A/D converter with a main range up/down counter and a subrange A/D converter
It is a primary object of the present invention to provide a fast, high-resolution A/D converter. It is another object of the present invention to provide an A/D converter not requiring a sample/hold ... Read More
Inventors: Moriwaki, Ikuo;, Assignee: Analog Devices KK (Tokyo, JP) |
A/D converter utilizing successive approximation
In view of the drawbacks with the prior art, it is an object of the present invention to provide an A/D converter capable of reducing the lowering of the accuracy of A/D conversion. An A/D converter a... Read More
Inventors: Sato, Fumiki;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Successive approximation analog-to-digital converter using CMOS inverter with pull-up and/or pull-down switches
The invention is devised to solve these problems, and it is hence a primary object of the invention to provide an analog/digital converting apparatus designed to shorten the conversion time without de... Read More
Inventors: Kanzaki, Teruaki;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Magnetorheological fluid
OF THE PREFERRED EMBODIMENTS The phosphorus additive of formula A can be a phosphonate, phosphonite, phosphate, phosphinate, phosphinite, phosphite or the corresponding amide or imide derivatives. R.... Read More
Inventors: Karol, Thomas J.; Munoz, Beth C.; Margida, Anthony J.;, Assignee: Lord Corporation (Cary, NC) |
Permanent magnet composites and method therefor
OF THE INVENTION The present invention pertains generally to magnetic composites comprised of a polymer matrix having dispersed therein a quantity of hard magnetic ferrite particulates. The polymer m... Read More
Inventors: Otera, Junzo; Makimoto, Tsutomu; Shinoda, Wataru; Hattori, Norihisa;, Assignee: Kuraray Co., Ltd. (JP); Toda Kogyo Corporation (JP) |
Process for producing polyimide/metallic foil composite film
OF THE INVENTION The process of the present invention can produce a polyimide/metallic foil composite film having a curvature radius of 25 cm or more which is substantially free of curling in both th... Read More
Inventors: Noda, Yuzuru; Imai, Masanori;, Assignee: Nitto Electric Industrial Co., Ltd (Osaka, JP) |
Temperature sensitive amorphous magnetic alloy
We claim: 1. A method for detecting a predetermined temperature, comprising the steps of: (a) by electromagnetically exciting a magnetic core element, inducing a voltage in electrically conductive mea... Read More
Inventors: Inomata, Koichiro; Murata, Shinichi;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Formulation for producing low infrared coating in the 2-15 micron range
What is claimed is: 1. A diffuse gray coating mixture having a low infrared emittance and comprising by weight: from about 10% to about 22% coarse non-leafing aluminum powder; from about 2% to about 1... Read More
Inventors: Supcoe, Robert F.; Greenberg, Melvin;, Assignee: |
Thermal insulation
It is, therefore, an object of the invention to provide thermal insulation of the type mentioned at the outset which has a lower thermal conductivity than the insulations known to date, and the dimens... Read More
Inventors: Reiss, Harald;, Assignee: Brown, Boveri & Cie AG (Mannheim, DE) |
Sol-gel method for making ultra-low expansion glass
Silicate solutions useful for the production of silicate glasses by gelation are known in the prior art. Typically, these are true solutions comprising silicates, although colloidal suspensions of si... Read More
Inventors: Shoup, Robert D.;, Assignee: Corning Glass Works (Corning, NY) |
Froth flotation of calcium borate minerals
I claim: 1. A collector composition for use in the recovery of a calcium borate mineral from an ore by froth flotation of an aqueous slurry of particles of the ore, said composition comprising 50-80% ... Read More
Inventors: Barwise, Christopher H.;, Assignee: Fospur Limited (Derby, GB2) |
Continuously integrating high-resolution analog-to-digital converter
The present invention provides for a system and method for converting an input analog signal, which can be continuously applied, into an output digital signal. The system has an integrating means, a r... Read More
Inventors: Goeke, Wayne C.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Device for the simulation of radar targets in laboratory tests of radar seekers
We claim: 1. A device for the simulation of radar targets within the framework of laboratory tests of the behaviour of radar seekers or of multimode seekers having a radar channel, (a) wherein, by a r... Read More
Inventors: Platt, Karl E.; Scheerer, Nikolaus H. E.;, Assignee: |
Igniter
What is claimed is: 1. In a bore safe flare system wherein a flare candle is adapted to be ignited only after it is expulsed from a housing by an explosive charge, and including: a casing; a flare can... Read More
Inventors: Foote, Kenneth R.; Hanzel, Joseph W.; Froehner, Warren P.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Overhead rail transportation systems
I claim: 1. A rail transportation system comprising a rail to be supported in an overhead position and having an upper supporting edge and a lower braking edge spaced from said upper edge, and a tract... Read More
Inventors: Roberts, Richard A.;, Assignee: Seed; H. Arnold (Port Moody, CA) |
Modular antenna array
In accordance with the invention, an antenna array comprises a plurality of colinear non-parasitic drivers. A conductive member serves as a ground plane for the array. Each antenna driver is coupled t... Read More
Inventors: Canonico, Lawrence M.;, Assignee: Grumman Aerospace Corporation (Bethpage, NY) |
Antenna window cover
Referring to FIG. 1, a plan view of a portion of a reentry-type missile in accordance with the present invention is shown. Nose cone 10, having a generally aerodynamic, such as conical, outer surface... Read More
Inventors: Brazel, James P.;, Assignee: General Electric Company (Philadelphia, PA) |
High frequency voltage comparator circuit
It is therefore an object of the present invention to provide a voltage comparator circuit which can accurately compare input voltages, obtaining a sufficiently large voltage gain, even if a sampling ... Read More
Inventors: Iida, Tetsuya;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Fast analog-digital converter with parallel structure
An object of the present invention therefore comprises the making of an analog/digital converter designed to convert an analog voltage into a digital voltage of n bits Another object of the invention ... Read More
Inventors: Masson, Thierry;, Assignee: Thomson Composants Militaires et Spatiaux (Paris, FR) |
Averaging flash analog-to-digital converter
FIG. 1 is a block diagram of a conventional flash-type ADC where an input signal IN is applied to a first input terminal of each of 2.sup.n -1 comparators 114a to 114z. A second input terminal of eac... Read More
Inventors: Dingwall, Andrew G. F.; Hsueh, Fu-Lung;, Assignee: David Sarnoff Research Center Inc. (Princeton, NJ); Industrial Technology Research Institute (CN); Electronics Research & Service Org. (CN) |
Input voltage-induced spurious current canceler for autozero type comparator in analog-to-digital converters
OF THE PREFERRED EMBODIMENT FIG. 6 shows the basic scheme of this invention. A sampling switch SWi is connected to an analog input signal Vi and another sampling switch SWr is connected to a referenc... Read More
Inventors: Wang, Yunn-Hwa;, Assignee: Industrial Technology Research Institute (Hsinchu, TW) |
A/D converter circuit
It is an object of the present invention to provide an A/D converter circuit capable of improving the precision of the A/D converter circuit while reducing power consumption. The A/D converter circuit... Read More
Inventors: Nozaki, Hirohide;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Radio 
