Aircraft landing aid device
The object of the present invention is a device enabling landing in all weather conditions yet requiring only a small investment. The object of the invention is therefore an aircraft landing aid devic... Read More
Inventors: Faivre, Fran.cedilla.ois; Denoize, Xavier;, Assignee: Sextant Avionique (Meudon la Foret, FR) |
Analog current mode analog/digital converter
It is an object of the present invention to provide an improved converter circuit, obviating, for practical purposes, the above-mentioned limitations, particularly in a manner requiring a relatively u... Read More
Inventors: Hadidi, Khayrollah;, Assignee: The Regents of the University of California (Oakland, CA) |
Filament wound blade and method for manufacturing same
The method of manufacturing a filament wound blade of the present invention is characterized by the steps of forming a spar by winding a plurality of unidirectional resin impregnated fialments in side... Read More
Inventors: Ashton, Larry J.; Abildskov, Dale P.; Yao, Samuel S.;, Assignee: Fiber Science, Inc. (Gardena, CA) |
Quantizer and related method for improving linearity
The present invention resides in a quantizer having multiple amplifiers coupled to an array of reference voltages, and from which output signals are determined from the average or sum of the outputs o... Read More
Inventors: Vernon, Scott D.;, Assignee: TRW Inc. (Redondo Beach, CA) |
Analog-to-digital converter having a high sampling frequency
It is an object of the present invention to minimize the influence of these metastability phenomena, particularly at a high sampling frequency, by proposing an analog-to-digital converter whose clock ... Read More
Inventors: Le Pailleur, Laurent; Van De Plassche, Rudy J.;, Assignee: U.S. Philips Corporation (NY, NY) |
Testing apparatus for incremental shaft encoder
OF THE PREFERRED EMBODIMENT FIG. 1 illustrates the rotation detection principle of an incremental shaft encoder. Angular code pattern 11 on code disk 13 is a continuous series of alternating transpar... Read More
Inventors: Kazangey, Thomas;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Long scale display
What is claimed is: 1. An instrument for measuring and displaying digitally the magnitude of at least one parameter of an electrical input signal, which magnitude can lie in any one of M successive de... Read More
Inventors: Cook, John Gerald; Shaw, Julian David;, Assignee: The Solartron Electronic Group Ltd. (Farnborough, GB) |
Digital multimeter with more closely spaced ranges
In one form of the present invention, a digital multimeter is provided with scales and ranges which are related by factors of less than 10. The display is arranged so that each digital measurement ste... Read More
Inventors: Lode, Tenny D.;, Assignee: |
Distance measuring system, particularly for spacing of moving vehicles
We claim: 1. Non-contacting distance measurement apparatus to determine the distance between leading and trailing vehicles moving in a predetermined traffic lane of a multiple traffic lane highway bet... Read More
Inventors: Nier, Johannes; Bollhagen, Heins; Wocher, Berthold;, Assignee: Robert Bosch GmbH (Stuttgart, DT) |
High-precision and high-speed analog/digital converter having low power consumption
OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described hereinafter, with reference to the accompanying drawings. FIG. 2 is a circuit diagram showing the general arrangem... Read More
Inventors: Sugimoto, Yasuhiro;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Heat stable iron oxides
OF THE INVENTION Hydrated ferric oxide loses water at about 175.degree.-200.degree. C. and in the process, changes from yellow to red or brown iron oxide. This thermal decomposition, accompanied by t... Read More
Inventors: Vanderheiden, Dennis B.;, Assignee: Pfizer Inc. (New York, NY) |
Hydrothermal process for producing dense iron oxide pigments
What is claimed is: 1. Acicular ferrimagnetic iron oxide pigment particles with a porosity of less than about 10% by volume and of cubic spinel structure. 2. An iron oxide pigment as claimed in claim ... Read More
Inventors: Hund, Franz; Buxbaum, Gunter; Leitner, Lutz; Pflugmacher, Ingo;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Colloidal coating for small three dimensional articles, and particularly for fusion targets having glass shells
We claim: 1. A three-dimensional glass microballoon of maximum dimensions from about 20 to 500 microns coated on all surfaces thereof and of material having an inherent surface charge of one polarity,... Read More
Inventors: Peiffer, Dennis G.; Deckman, Harry W.;, Assignee: The University of Rochester (Rochester, NY) |
Microstrip antenna and a device including said antenna
The aims of the present invention include: facilitating the coupling between the resonant structure of an antenna of the above kind, in particular of a quarter-wave antenna, and a signal processing un... Read More
Inventors: Grangeat, Christophe; Ngounou, Charles; Coupez, Jean-Philippe; Lepennec, Fran.cedilla.ois; Toutain, Serge;, Assignee: Alcatel (Paris, FR) |
Internal multi-band antenna
According to first aspect of the present invention, a multi-band radio antenna structure for use in a hand-held telecommunication device comprises: a ground plane; a sub-antenna structure comprising: ... Read More
Inventors: Lehtola, Antero;, Assignee: Nokia Corporation (Espoo, FI) |
Microwave antenna with radiation scattering support member elements
The present invention is intended to eliminate the above-described difficulties. According to the invention, a triangular strut is connected to a part or the whole of a surface of the supporting strut... Read More
Inventors: Satoh, Hideo; Matsunaka, Naoto;, Assignee: Kokusai Denshin Denwa Co., Ltd. (Tokyo, JP); Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Device for binary-coding a read signal from a magnetic tape
The present invention has been made to improve the inconveniences with the above conventional example, and an object of the present invention is to provide a device for binary-coding a read signal fro... Read More
Inventors: Ogasawara, Susumu;, Assignee: NEC Corporation (Tokyo, JP) |
Flat radar antenna employing circular array of slotted waveguides
We claim: 1. In a radar system including a transmit/receive unit of high-frequency waves, the combination therewith of an antenna comprising a planar array of juxtaposed radiators in the form of mutua... Read More
Inventors: Scillieri, Antoine; Caillaud, Alain;, Assignee: Electronique Marcel Dassault (Paris, FR) |
Flat circular unidirectional microwave antenna
The present invention has been made with a view to solve the above-mentioned problems of the conventional flat circular waveguide devices. Accordingly, it is an object of the present invention to prov... Read More
Inventors: Goto, Naohisa; Ito, Yoshiharu; Arimura, Kunitaka; Ando, Makoto; Shirai, Tatsuya; Teramoto, Ryuji;, Assignee: |
Planar antenna design
It is an object of the present invention to avoid the above drawbacks by providing a new type of an antenna structure which is suitable for radio link use, has sufficient radiation characteristics, is... Read More
Inventors: Sehm, Tomas; Lehto, Arto; Raisanen, Antti;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Printed or etched, folding, directional antenna
Problems of the Prior Art Several considerations must be taken into account in integrating a wireless-network antenna into an enclosure, whether the enclosure comprises a unit separate from the commun... Read More
Inventors: Palmer, William Robert; Snyder, Christopher A.; Jorgenson, David Charles; Le, Anh;, Assignee: Tantivy Communications, Inc. (Melbourne, FL) |
Low temperature electronic package having a superconductive interposer for interconnecting strip type circuits
The invention is a right angle connection utilizing an interposer rod between horizontal and vertical substrates. The interposer rod is of insulating material, of the same material as the substrates t... Read More
Inventors: Ketchen, Mark B.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Superconducting microwave frequency selective filter system
It is an object of the present invention to provide a low loss, high Q microwave frequency selective filter system. It is another object of the present invention to provide a compact, low loss, high Q... Read More
Inventors: Billing, John F.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Laminated core manufacture
I claim: 1. In a dynamoelectric device having a wound core provided with a plurality of circumferentially spaced, radially opening slots disposed in an annular array, and windings in said slots, the i... Read More
Inventors: Mitsui, Yoshiaki;, Assignee: Mitsui Mfg. Co., Ltd. (Kitakyushu, JP) |
Method of resolving closely spaced targets
With this background of the invention in mind, it is therefore a primary object of this invention to provide a signal processing technique for uniquely resolving the individual pitch and yaw locations... Read More
Inventors: Kanter, Irving;, Assignee: Raytheon Company (Lexington, MA) |
Spatially variant apodization
When a signal of finite duration undergoes a signal compression via a transform, such as a Fourier transform, sidelobes develop that obscure details in the output data. This invention is a method for ... Read More
Inventors: Dallaire, Rodney J.; Stankwitz, Herbert C.;, Assignee: Environmental Research Institute of Michigan (Ann Arbor, MI) |
Analog to digital converter
Accordingly, it is an object of the present invention to convert an analog voltage into a multi-bit digital word that defines the voltage magnitude and polarity. Another object is to convert an analog... Read More
Inventors: Lewis, Bernard L.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Waveform shaper and sigma-delta D/A converter
It is an object of the invention to provide a waveform shaper and a sigma-delta D/A converter incorporating the waveform shaper which do not occupy much space to enable the same to be integrated in an... Read More
Inventors: Hirano, Masamitsu; Noro, Masao;, Assignee: Yamaha Corporation (Shizuoka-ken, JP) |
Subranging ADC with error correction through increased fine step span and noise reducing layout
It is an object of the present invention to provide a new and improved subranging type of A/D converter. It is a further object of the present invention to provide a new and improved subranging type o... Read More
Inventors: Nakatani, Yuuichi; Miyake, Hironori;, Assignee: Motorola Inc. (Schaumburg, IL) |
Chopper-type voltage comparator
An object of the present invention is to provide a chopper-type voltage comparator which consumes a small amount of power and has increased reliability. In order to achieve the above and other objects... Read More
Inventors: Matsuoka, Takashi;, Assignee: NEC Corporation (Tokyo, JP) |
Radio 
