Wide band cryogenic ultra-high vacuum microwave absorber
What is claimed is: 1. A mode absorber for absorbing unwanted higher order modes of microwave energy from rectangular wave guides, comprising: an absorber having a leading end and a trailing end capab... Read More
Inventors: Campisi, Isidoro E.;, Assignee: Southeastern Universities Research Association (Newport News, VA) |
Ceramic composition for absorbing electromagnetic waves and method for manufacturing the same
OF THE INVENTION Preferably, the mixture around the raw powder has by weight between about 0.0005 and about 0.004% Bi.sub.2 O.sub.3 as the plasticizer and hexamethanol as the dispersing agent. The st... Read More
Inventors: Hong, Sung-Yong;, Assignee: |
Electromagnetic wave absorbing silicone rubber compositions
What is claimed is: 1. An electromagnetic wave absorbing silicone rubber composition comprising a soft magnetic powder selected from the group consisting of iron and iron alloys in an amount of 5 to 8... Read More
Inventors: Sakurai, Ikuo; Suzuki, Akio;, Assignee: Shin-Etsu Chemical Co., Ltd. (Tokyo, JP) |
Low voltage analog-to-digital converters with internal reference voltage and offset
The present application defines an A-to-D converter system that provides an efficient solution to the problem of supplying the reference voltage. In one aspect, the solution considers implementation ... Read More
Inventors: Krymski, Alexander I.; Cho, Kwang-Bo;, Assignee: Micron Technology, Inc. (Boise, ID) |
Antenna isolation for continuous wave radar systems
In accordance with the present invention a radio frequency energy radar system adapted to transmit and receive continuous wave (CW) radio frequency energy is provided. The radar system includes a tran... Read More
Inventors: Lantagne, John A.; Powers, Edwin C.;, Assignee: Raytheon Company (Lexington, MA) |
Non-destructive probing system and a method thereof
The present invention has been achieved in view of the above problems. It solves them by providing a non-destructive probing system, a non-destructive probing method, a program for conducting non-des... Read More
Inventors: Sugiyama, Kentaro; Abe, Atsushi;, Assignee: International Business Machines Corporation (Armonk, NY) |
Thermal printer
Thus the object of the present invention is to provide a thermal printer now associated with the above-mentioned drawbacks and capable of functioning with an improved reliability, with a reduced power... Read More
Inventors: Noda, Atsushi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Active millimeter wave simulator for missile seeker evaluations
It is, therefore, an object of the present invention to enable the simulation of both an active and a passive missile seeker within the same simulation facility. Another object of this invention is to... Read More
Inventors: Drake, Douglas C.; Wismer, Kenneth L.; Ulrich, Henry D.;, Assignee: The Boeing Company (Seattle, WA) |
Quadrature error correction
It is an advantage, according to this invention, to provide an adaptive system and process for correcting quadrature signal errors for amplitude, phase and bias errors, thus eliminating the need for e... Read More
Inventors: Peterson, Robert A.;, Assignee: Aerotech, Inc. (Pittsburgh, PA) |
Multi-layer shield for absorption of electromagnetic energy
OF THE PREFERRED EMBODIMENT The preferred embodiment of the present invention is discussed in detail below. While specific steps, configurations and arrangements are discussed, it should be understoo... Read More
Inventors: Powell, Thomas A.;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Mixer, radar module, and communication apparatus incorporating the same
OF EMBODIMENTS OF THE INVENTION FIGS. 1A and 1B show the structure of a mixer according a first embodiment of the present invention. FIG. 1A is a perspective view of the main part of the mixer when u... Read More
Inventors: Iwatani, Hidetoshi; Yamashita, Sadao;, Assignee: Murata Manufacturing Co., Ltd (JP) |
Method and circuit for carrying out forward and inverse quantization by varying a reference step size
What is claimed is: 1. A method of carrying out a forward quantizing operation by processing a succession of input digital signals into a succession of digital quantized codes, respectively, said digi... Read More
Inventors: Nishitani, Takao;, Assignee: Nippon Electric Co., Ltd. (Tokyo, JP) |
Armor plate for vehicles
OF THE INVENTION In FIG. 1 a plate shaped module 1 of the external layer of the inventive armor plate is depicted which consists of an outer layer 2, a middle layer 3 and an inner layer 4. The outer ... Read More
Inventors: Wanninger, Paul; Kruse, Jurgen;, Assignee: Daimler-Benz Aerospace AG (Munchen, DE) |
Deposition of silver layer on nonconducting substrate
OF THE PREFERRED EMBODIMENTS In accordance with a preferred aspect of the invention, a process for depositing a uniform thin layer of silver onto the surface of an electrically non-conducting substra... Read More
Inventors: Sodervall, Billy Valter; Lundeberg, Thomas;, Assignee: Ad Tech Holdings Limited (Jersey, GB) |
Sealing arrangement in a microwave oven
What is claimed is: 1. A sealing arrangement in a microwave oven having an oven cavity defined by side walls of electrically conductive material and conductive wall portions defining a substantially r... Read More
Inventors: Imberg, Bengt Uno; Karlsson, Kurt Hakan; Orke, Gustav Georg;, Assignee: U.S. Philips Corporation (New York, NY) |
Mixture for producing fracture-resistant, fiber-reinforced ceramic material by microwave heating
To achieve the foregoing and other objects, and in accordance with the purposes of the present invention, as embodied and broadly described herein, the method of this invention may comprise preparing ... Read More
Inventors: Meek, Thomas T.; Blake, Rodger D.;, Assignee: The United States of America as represented by the United States (Washington, DC) |
Fiber-reinforced syntactic foam composites prepared from polyglycidyl aromatic amine and polycarboxylic acid anhydride
OF THE INVENTION In order to form the fiber-resin-microsphere composite of the present invention having the desired density and coefficient of thermal expansion, each of the three components must be ... Read More
Inventors: Oldham, Susan L.;, Assignee: |
Method of manufacturing polyimide foam shapes having improved density and cell size uniformity
OF PREFERRED EMBODIMENTS Referring now to FIG. 1, there is seen a schematic representation of a knife-type chopper 10. The chopper, of conventional design, used 8 rotating knives 4 1/4 inches diamete... Read More
Inventors: Hill, Francis U.;, Assignee: Sorrento Engineering, Inc. (National City, CA) |
Rigidized, low density, insulation
We claim: 1. A thermal insulating device adapted for use as the exterior coating of a space vehicle which consists essentially of a rigid carbon-carbon foam having an elastomeric foam pad bonded to th... Read More
Inventors: Tanzilli, Richard A.; Gebhardt, Joseph J.; Fenton, Richard M.; Kreitz, Jr., James C.;, Assignee: The United States of America as represented by the Secretary of The Air (Washington, DC) |
Device and method for switching between different operating modes of a transducer
It is therefore an object of the present invention to provide a device as well as a method for switching between different operating modes of a transducer which dependably operates in connection with ... Read More
Inventors: Strasser, Erich; Wastlhuber, Robert; Hofbauer, Hermann; Zehentner, Christian; Bielski, Steffen; Huber, Helmut;, Assignee: Johannes Heidenhain GmbH (Traunreut, DE) |
Parallel charge signal delivery system, and filtering AD converter using the same
In view of the problems as mentioned before, the object of the present invention is attained by a main invention comprising a parallel charge signal delivery system and a filtering AD converter: where... Read More
Inventors: Nagazumi, Yasuo;, Assignee: G.D.S. Co., Ltd. (Tokyo, JP); Nagazumi; Yasuo (Tokyo, JP) |
Coated stabilized bleach activators, process and washing compositions
We claim: 1. A coated stabilized bleaching assistant suitable for use in pulverulent washing and bleaching compositions comprising drop-shaped to globular-shaped particles having an average diameter o... Read More
Inventors: Hachmann, Klaus; Puchta, Rolf; Sperling, Gerhard;, Assignee: Henkel & Cie G.m.b.H. (Dusseldorf-Holthausen, DT) |
Water-based coating composition
In a first aspect thereof, the present invention consists in a water-based coating composition which comprises 100 parts by weight, on the solid content basis, of a resin varnish (1) comprising at lea... Read More
Inventors: Odawa, Taketoshi; Okai, Toshihiro;, Assignee: Nippon Paint Co., Ltd. (Osaka, JP) |
Resistor string digital/analog converter with resetting switches
It is an object of the present invention to provide a resistor string D/A converter having a reduced settling time period. Another object is to provide an A/D converter apparatus including such a resi... Read More
Inventors: Hasegawa, Hiroshi;, Assignee: NEC Corporation (Tokyo, JP) |
Magnetically anisotropic recording medium
It is, therefore, the object of the present invention to further develop the recording medium of the type mentioned at the outset in such a way that a higher signal level is made possible thereby with... Read More
Inventors: Rupp, Gunter;, Assignee: Siemens Aktiengesellschaft (Berlin & Munich, DE) |
Heat-shrinkable polypropylene film with improved printability
OF THE PREFERRED EMBODIMENTS OF THE INVENTION Examples of the heat-shrinkable polypropylene film of the present invention adapted to be printed include a single layer film comprising a polypropylene ... Read More
Inventors: Kondo, Kazuo; Ishiguro, Nobuya; Wano, Toyoki; Tada, Teruo; Yoshida, Teruaki;, Assignee: Okura Industrial Co., Ltd. (both of, JP); Sumitomo Chemical Company, Ltd. (both of, JP) |
Moving target indicator
An object of the present invention is to provide a moving target indicator system which can distinguish a moving target in a region where both stationary clutter and moving clutter are present. Anothe... Read More
Inventors: Togashi, Fusaji; Hagisawa, Toshihiko;, Assignee: NEC Corporation (Tokyo, JP) |
Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system
1. Field of the Invention The present invention relates to radar and more particularly to a method of compensating for doppler shift of complementary coded signals of a coherent, pulse compression rad... Read More
Inventors: Mims, James H.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Microwave moisture sensor
OF PREFERRED EMBODIMENTS FIG. 3 schematically depicts a microwave moisture sensor embodying the invention. Simiiar or corresponding parts in FIG. 3 are denoted by similar or corresponding reference c... Read More
Inventors: Ishikawa, Hirotoshi; Kiyobe, Seiichiro;, Assignee: Kogawa Hokushin Electric Corporation (Tokyo, JP) |
Radar signal progessing
We claim: 1. A signal processing circuit for use in connection with a radar, sonic or ultrasonic locating ranging and distance measuring equipment, said equipment producing an in-phase Doppler signal ... Read More
Inventors: Knepper, Udo; Lutz, Franz; Beyer, Viktor;, Assignee: Dornier GmbH (DE) |
Radio 
