Multiple zone induction coil power control apparatus and method
The present invention is an apparatus for individually controlling power delivered to each of a plurality of zones of an induction heating coil so as to provide a desired temperature profile in a work... Read More
Inventors: Boehm, Paul C.; Mortimer, John H.; Rowan, Henry M.; Turner, Robert C.;, Assignee: Inductotherm Industries Inc. (Rancocas, NJ) |
Frequency selected, variable output inductor heater system
We claim: 1. A multizone induction heating system comprising: a. a coil system divided into a plurality of zones, at least two of said zones having an electrical resonance frequency, said resonance fr... Read More
Inventors: Schatz, Douglas S.; Dorrenbacher, John M.;, Assignee: Advanced Energy Industries, Inc. (Fort Collins, CO) |
Propulsion/control for VTOL vehicle
I claim: 1. In an aircraft of the verical takeoff and landing type having a body, the combination comprising: (a) means forming an air duct in said body with an inlet at a predetermined point in the b... Read More
Inventors: Van Nimwegen, Robert R.;, Assignee: The Garrett Corporation (Los Angeles, CA) |
Robotic or remotely controlled flying platform
The present invention, whether utilizing a single-engine ducted fan or utilizing a plurality of such ducted fans, provides pitch-and-roll control seperate from translational control. The invention emp... Read More
Inventors: Moller, Paul S.;, Assignee: Moller International, Inc. (Davis, CA) |
Disc planform aircraft having vertical flight capability
By the present invention, an improved aircraft having concentric, counterrotating lifting fans and being capable of vertical flight is disclosed. Accordingly, one of the objects of the present inventi... Read More
Inventors: Webster, Steven N.;, Assignee: |
Disc-shaped submersible aircraft
There is disclosed an aircraft capable of movement in three directions, in Cartesian coordinate terms the x-y-z directions, in the air. The movement can be a combination of vertical and horizontal. Th... Read More
Inventors: Ploshkin, Gennady;, Assignee: |
Aircraft
This invention relates to aircraft, and particularly to a novel aircraft, suitable for unmanned operation, and deployable from a collapsed condition by inflation. A delta-shaped, low aspect ratio, lif... Read More
Inventors: Putman, William F.; Smith, Brian;, Assignee: Aereon Corporation (Princeton, NJ) |
Velocity detecting system
I claim: 1. In a velocity detecting system including a transceiver for directing a beam of energy at a moving object and receiving a reflection of the beam and determining the velocity of the object, ... Read More
Inventors: Cole, Carroll Richard;, Assignee: |
Receiver for bandspread signals
What is claimed is: 1. A receiver for modulated bandspread carrier signals comprising, in combination: an antenna for intercepting a plurality of modulated carrier signals bandspread at a first clock ... Read More
Inventors: Beier, Wolfgang;, Assignee: Standard Elektrik Lorenz AG (Stuttgart, DE) |
Carrier detection for a wireless local area network
It is an object of the present invention to provide a local area network station employing spread spectrum coding for data transmission, wherein a fast and reliable carrier detection is achieved. Ther... Read More
Inventors: Kamerman, Adriaan; van Driest, Hans;, Assignee: NCR Corporation (Dayton, OH) |
Satellite receiver system having doppler frequency shift tracking
An aspect of the present invention is a satellite receiver system that provides acquisition and frequency tracking of a Doppler-shifted radio signal received from an orbiting satellite. The satellite ... Read More
Inventors: Siwiak, Kazimierz; Ponce de Leon, Lorenzo A.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for control in ATM
We claim: 1. A call admission control method in an asynchronous transfer mode, comprising the steps of: a) storing first data which include information concerning upper bounds of the probability distr... Read More
Inventors: Hamada, Takeo; Chujo, Takafumi;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Satellite system configuration
What is claimed is: 1. Satellite system configuration comprising a service satellite (10) including at least one power module (11) having solar arrays rigidly attached thereto, and a control module (1... Read More
Inventors: Preukschat, A. Werner;, Assignee: |
Spacecraft structure for orbital assembly and servicing
In accordance with one embodiment of the present invention a spacecraft for assembly and servicing in orbit is provided by a payload module including mission sensors and equipment with a docking fitti... Read More
Inventors: Ganssle, Eugene R.; Lochead, Alan;, Assignee: General Electric Company (E. Windsor, NJ) |
Modular solid-propellant launch vehicle and related launch facility
The present invention resides in a family of modular solid-propellant launch vehicles and a related launch facility for placing a wide range of payloads in earth orbit at greatly reduced costs compare... Read More
Inventors: Thole, John M.; Kelly, Michael S.;, Assignee: TRW Inc. (Redondo Beach, CA) |
Method for indirectly laying a weapon and apparatus for the performance of the method
Therefore, with the foregoing in mind it is a primary object of the present invention to provide a new and improved method of, and apparatus for, indirectly laying or aiming of a weapon at a target in... Read More
Inventors: Mayer, Cornelius; Durrer, Jorg; Weber, Ronald;, Assignee: Werkzeugmaschinenfabrik Oerlikon-Buhrle AG (Zurich, CH) |
Apparatus for deriving information concerning the movements of a vehicle
I claim: 1. An apparatus for deriving information concerning the movements of a surface-borne vehicle comprising means for illuminating the surface over which the vehicle is to travel with electro-mag... Read More
Inventors: Tyler, Ronald A.;, Assignee: The Marconi Company Limited (Chelmsford, GB2) |
Swept oscillator automatic linearizer
In accordance with the foregoing discussion of the prior art, it may be said to have been the general objective of the present invention to produce a frequency ramp generator affording a high degree o... Read More
Inventors: Borofka, Robert P.; Barton, Lynn R.;, Assignee: International Telephone and Telegraph Corporation (New York, NY) |
Presetting circuit for the voltage-controlled oscillator of a phase lock loop
A phase lock loop circuit operative to switch rapidly between predetermined output frequency signals is governed by a reference frequency signal and a preset signal which are both set to a new level f... Read More
Inventors: Healey, III, Daniel J.; Morrison, Steven;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
FM/CW radar including a novel receiver protector of general utility
In accordance with the present invention, an FM/CW radar system operates in the duplexed-active mode through a single antenna. The r.f. carrier generation operates under the control of a conventional ... Read More
Inventors: Goldie, Harry;, Assignee: Westinghouse Electric Corporation (Pittsburgh, PA) |
Range side lobe suppression method for a phase modulated radar pulse
We claim: 1. In a radar equipment, a method for eliminating unwanted range side lobes in a received radar pulse when compressing the pulse, said pulse when transmitted being coded according to a certa... Read More
Inventors: Erikmats, Erik Osten;, Assignee: Telefonaktiebolaget L M Ericsson (Stockholm, SW) |
P2 Polyphase code expander-compressor
It is therefore an object of this invention to realize, for use with the P2 code, a digital pulse expander-compressor that requires a minimum amount of hardware. This and other objects of the inventio... Read More
Inventors: Kretschmer, Frank F.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Method and apparatus for generating a modified P.sub.1 code
The above and other objects are achieved in the present invention which is a pulse expander-compressor (PEC) for generating a modified P1 code with precompression bandwidth tolerance. The PEC includes... Read More
Inventors: Kretschmer, Jr., Frank F.; Lewis, Bernard L.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Radar system with reduced distance error
The present invention is directed to a radar system of the above mentioned kind in which the distance errors mentioned in the foregoing are eliminated. Accordingly an object of the present invention i... Read More
Inventors: Jehle, Franz; Mutschler, Jurgen;, Assignee: Licentia Patent-Verwaltungs-GmbH (DE) |
Radar altimeter systems
It is an object of the present invention to provide a radar altimeter system that can be used, at least in part, to alleviate the above-mentioned problems. For clarity, the term radar altimeter is use... Read More
Inventors: Andrews, Frank P.;, Assignee: Smiths Industries Public Limited Company (London, GB2) |
Signal processing system
OF INVENTION The radar system of FIG. 1, which includes the balanced signal processor, can be used for either a CW or pulse radar; the circuit changes necessary for each mode of operation can be acco... Read More
Inventors: Rittenbach, Otto E.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Radar channel including an orthogonal MTI filter pair
A radar operates in a moving target indication (MTI) mode with frequency diversity by transmitting N+1 pulse bursts and receiving echo signalling therefrom. Each pulse of the same burst envelopes a fi... Read More
Inventors: Martin, Raymond G.; Mims, James H.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Operator station for telephone exchange
The object of the present invention is to provide an operator station for telephone exchanges, which is capable of being operated both by sighted operators and by blind operators, substantially withou... Read More
Inventors: Angelini, Franco;, Assignee: Ing. C. Olivetti & C., S.p.A. (Ivrea, IT) |
Arrangement for processing a delta modulation signal, in particular for decoding these signals
What is claimed is: 1. A processing device for decoding a digital signal formed from binary elements which occur at the frequency F and are produced by coding an analog signal by means of delta modula... Read More
Inventors: Ferrieu, Gilbert M. M.;, Assignee: Telecommunications Radioelectriques et Telephoniques T.R.T. (Paris, FR) |
Sound masking system for open plan office
What is claimed is: 1. An acoustic masking system for obtaining conversational privacy in an open plan office space having a floor and an acoustic ceiling wiith a plenum space above said ceiling, said... Read More
Inventors: Torn, William R.;, Assignee: DuKane Corporation (St. Charles, IL) |
Telecommunications 
