Low-brake fluid sensor
The present invention solves this problem by providing a liquid level detector using probes having low currents in the order of 1 to 5 microamps. The probes are coupled to detector circuits having sig... Read More
Inventors: Ridpath, Robert R.; Clifford, Louis R.; Groot, Hendrik;, Assignee: TRW Inc. (Los Angeles, CA) |
Combustion product indicator
What is claimed is: 1. A combustion product indicating device, comprising: ionization detection means providing an output indicative of products of combustion sensed by said detection means; a field e... Read More
Inventors: Webb, Jr., William;, Assignee: Unitec, Inc. (Denver, CO) |
Dielectric-supported antenna
The present invention is not limited to axially symmetric coaxial antenna configurations. The principal component is a body of dielectric foam material with an external surface in the form of an anten... Read More
Inventors: Jenness, Jr., James R.;, Assignee: |
CRT display device
Accordingly, an object of this invention is to provide a CRT display device in which, even when no image is displayed on the CRT, the state of the input signal can be readily detected by the user. In ... Read More
Inventors: Tashiro, Tsukasa; Hayashi, Shigeo; Miyazaki, Toshiyuki; Sogo, Norihito;, Assignee: Totoku Electric Co., Ltd. (Tokyo, JP); Kaga Electronics Co. Ltd. (Tokyo, JP) |
Rotatable antenna and integral, shielded impedance matching network
In accordance with the present invention, a rotatable antenna is provided which comprises a radiator having a distal end and a proximal end. A matching network is coupled to the proximal end of the ra... Read More
Inventors: Blaese, Herbert R.;, Assignee: |
Wideband polarization-transforming electromagnetic mirror
The general purpose and object of the present invention is to transform the polarization of EM waves into any desirable type of polarization independently of the frequency of a signal. This and other ... Read More
Inventors: Shelton, J. Paul;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Polarization separating reflector, especially for microwave transmitter and receiver antennas
The above objects have been achieved in a polarization separating reflector according to the invention, wherein the reflector has a resonance structure of separate dipoles having a dipole length and a... Read More
Inventors: Edenhofer, Peter; Galka, Manfred; Habersack, Juergen; Nathrath, Norbert;, Assignee: Messerschmitt-Boelkow-Blohm GmbH (Munich, DE) |
Apparatus and method for generating a variable line width
What is claimed is: 1. An apparatus for drawing with an ink pen having a radially asymmetric nib, comprising: a. a plotter having: i. a table for receiving medium upon which said pen will draw; ii. a ... Read More
Inventors: Sieber, Jonathan D.; Sieber, Joseph S.;, Assignee: |
Tapered notch antenna using coplanar waveguide
What is claimed is: 1. The combination comprising: a broadband radiating tapered notch antenna, said antenna comprising a thin, flexible, non-self-supporting dielectric film, a conductive metallic lay... Read More
Inventors: Schnetzer, Michel W.;, Assignee: |
Attenuation of microwave signals
We claim: 1. An antenna assembly having an r.f. aperture and which includes removable signal attenuation means which can be situated to cover substantially the entirety of said aperture, said signal a... Read More
Inventors: Cartwright, Norman E.; Butcher, Miles E.;, Assignee: British Telecommunications public limited company (GB2) |
RF-transparent antenna sunshield membrane
What is claimed is: 1. A thermally insulating membrane comprising: at least two sheets of dielectric film located between said structure and space including an inner sheet proximate said structure and... Read More
Inventors: Lepore, Jr., Albert; Wong, Hamilton; Marr, Susan L.; Amore, Leo J.;, Assignee: Martin Marietta Corporation (East Windsor, NJ) |
Plasma display control system
It is an object of the present invention to provide a plasma display control system which can display-control a plasma display using the same display timing as for the CRT display. It is another objec... Read More
Inventors: Zenda, Hiroki;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Base station clustered adaptive antenna array
OF THE PREFERRED EMBODIMENTS FIG. 3 shows a top view of a base station clustered adaptive antenna array 150 in accordance with one embodiment of the present invention. The array 150 may be mounted to... Read More
Inventors: Wong, Piu Bill; Scherzer, Shimon B.;, Assignee: Metawave Communications Corporation (Redmond, CA) |
Target seeker simulator
From the above discussion, it can be seen that an object of the invention is to simulate an enemy missile in flight by reorienting an antenna carried by a drone missile such that its transmission, whi... Read More
Inventors: Jarrell, Edward C.; Marlow, Donald R.; Tetens, Howard B.; Gulick, Joseph F.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Two-wire fire sensing and receiving system
An object of the present, invention therefore, is to provide a two-wire fire sensing and receiving system which works on a feeding current of a relatively small level used for charging a capacitor cou... Read More
Inventors: Kuwabara, Katsutoshi; Horiuchi, Mitsuo;, Assignee: Hochiki Corporation (Tokyo, JP) |
Method and apparatus for monitoring the flow of solids
What we claim as new and desire to protect by Letters Patent of the U.S. is: 1. Apparatus for monitoring the flow of particulate solids through a screw conveyor comprising a radiation source and a rad... Read More
Inventors: Wyton, Wayne W.; Doeksen, Gerard;, Assignee: Cominco Ltd. (Trail, CA) |
Digital display plug-in
OF A PREFERRED EMBODIMENT FIG. 1 shows a block diagram of the digital display module 10 (area within dashed lines) connected to any metering device having a recorder output 12, range switch 16 and fu... Read More
Inventors: Silberberg, Jeffrey L.;, Assignee: The United States of America as represented by of the Department of (Washington, DC) |
Integrated circuit with frequency-dividing circuits capable of being tested at a high speed
In view of the aforesaid problem inherent in the conventional circuit, the principal object of the present invention is to test an integrated circuit having a multi-stage frequency-dividing circuit at... Read More
Inventors: Monma, Hideo; Takahashi, Masayuki; Ishiguro, Masato;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Fast search and lock-on means for distance measuring equipment
I claim: 1. In an electronic ranging system, means for generating a range gate in time synchronism with replies to successive transmitted pulses, comprising voltage sweep generating means responsive t... Read More
Inventors: Weber, Charles A.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Coil assembly
According to the present invention, a coil assembly, particularly attractive in the case of a coil of electric resistance heating wire, is basically characterized by the wire being coiled so as to for... Read More
Inventors: Haglund, John H.;, Assignee: The Kanthal Corporation (Bethel, CT) |
Antenna alarm assembly for vehicle
It is an object of the invention to provide an antenna assembly for vehicle radio transceiver which can be easily mounted on or dismounted from a car body and which produces an audible alarm whenever ... Read More
Inventors: Iwata, Keisuke;, Assignee: Iwata Electric Co., Ltd. (Tokyo, JP) |
Measuring apparatus for detecting the distance "H" to an object
What is claimed is: 1. A measuring apparatus for detecting the distance h to an object, said apparatus comprising transmitting means for transmitting toward the object a wave having frequency modulate... Read More
Inventors: Hethuin, Serge;, Assignee: U.S. Philips Corporation (New York, NY) |
Phase comparison systems employing improved phaselock loop apparatus
It is accordingly an object of the present invention to provide improved phaselock loop apparatus for precisely tracking a continuous or intermittent fixed-frequency signal having high noise content a... Read More
Inventors: Barker, A. Clifford; Zavada, Edmund S.;, Assignee: Navidyne Corporation (Hampton, VA) |
Desk organizer unit
In the present invention, a vertically movable desk organizing device for office supplies and documents is provided, having pivotable storage units facilitating easy access and minimal depth requireme... Read More
Inventors: Taylor, Paul B.;, Assignee: |
Leatherlike fabrics
I claim as my invention: 1. A fabric of interlaced multi-fiber yarns having a nap of fibers extending therefrom, the fibers of said nap being bonded together, said bonded nap being severed, after bond... Read More
Inventors: Civardi, Frank Peter;, Assignee: Inmont Corporation (New York, NY) |
Corrugated paper board
OF THE PRESENT INVENTION In the aforementioned copending application Ser. No. 599,142, filed July 25, 1975, now U.S. Pat. No. 4,203,790, there is disclosed an improved reinforced paper product in whi... Read More
Inventors: Chavannes, Marc A.;, Assignee: |
Method of fabricating a demountable rod
I claim: 1. The method of fabricating a demountable rod comprising the steps of: a. forming a tapered fiberglass tube having a thickened central portion with an outwardly thickened wall; b. cutting th... Read More
Inventors: Barnes, Richard D.;, Assignee: The Conolon Corporation (Santa Ana, CA) |
Method of making colored glass articles
I claim: 1. A method for making a colored glass article comprising the steps of: a. contacting a surface of a glass substrate with a metal selected from the group consisting of gold, silver, platinum,... Read More
Inventors: Donley, Harold E.;, Assignee: PPG Industries, Inc. (Pittsburgh, PA) |
Method of cutting of glass strand and product produced thereby
OF THE DRAWINGS Referring now to FIG. 1 glass filaments 1 are attenuated through tips or orifices 3 in a bushing 2. The fibers are preferably passed over an applicator 4 connected to a supply of lubr... Read More
Inventors: Kallenborn, John;, Assignee: PPG Industries, Inc. (Pittsburgh, PA) |
Non-sticking ply end turn-over bladder and method of manufacture thereof
I claim: 1. A ply turn-over bladder formed of a rubbery polymer at least a portion of its outer surface having reduced adhesion to unvulcanized rubbery polymers, said portion comprising a fabric layer... Read More
Inventors: Johnson, James L.;, Assignee: McCreary Tire & Rubber Company (Indiana, PA) |
Radio 
