Brake and signal light system
In view of the foregoing disadvantages inherent in the known types of helmet mounted signal lights now present in the prior art, the present invention provides an improved brake and signal light syste... Read More
Inventors: Pories, Muriel; Dent, John; Escobosa, Marcus;, Assignee: Mar-Bruc, Inc. (Laguna Beach, CA) |
Apparatus for effecting plethysmography
The apparatus shown in FIG. 1 comprises a measuring cell 1, consisting of a frame, carrying a floor 2, four upstanding walls 3 made of a transparent synthetic material, and a top wall (not shown). Th... Read More
Inventors: Rotgans, Gerrit Jacob;, Assignee: Gould Godart B.V. (Bilthoven, NL) |
Method of treating arthritic disease
OF THE INVENTION The invention also includes the cationic salts of .beta.-oxo-2-thiophenepropionitrile with pharmacologically acceptable metal cations, ammonium, amine cations, or quaternary ammonium... Read More
Inventors: Hanifin, John W.; Sloboda, Adolph E.;, Assignee: American Cyanamid Company (Stamford, CT) |
Humidity sensor
The present invention has its base on the discovery or ascertainment that there are many cases where the above defect of the prior art is caused by the fact that the dewdrop formed on the surface of d... Read More
Inventors: Nishibe, Atsushi; Kikuchi, Yoshitaka;, Assignee: Sony Corporation (Tokyo, JA) |
Voltage regulator for an alternator having an auxiliary stage for starting the alternator at a low rotational speed
The object of the present invention is to construct a voltage regulator of the monofunction type for an alternator of the nine-diode type, whose actuator stage is formed as an integrated circuit and g... Read More
Inventors: Menniti, Pietro; Marchio, Fabio;, Assignee: SGS Microelettronica SpA (Agrate Brianza, IT) |
Method and apparatus for locating defective fuel rods of a reactor fuel element
There are claimed: 1. A method for locating defective fuel rods of a fuel element having a plurality of fuel rods in a liquid cooled reactor core wherein the rods have end caps, the end caps located i... Read More
Inventors: Jester, Alfred; Heidtmann, Uwe; Birnbreier, Hermann;, Assignee: Babcock-Brown Boveri Reaktor GmbH (Mannheim, DT); Brown, Boveri & Cie Aktiengesellschaft (Mannheim, DT) |
Self-cleaning poppet valve for a core testing apparatus
It is an object of this invention to provide a self-cleaning poppet valve assembly for use with the transfer piston of an automatic core testing device and to provide a secure means for attaching an e... Read More
Inventors: Jones, Stanley C.;, Assignee: Western Atlas International, Inc. (Houston, TX) |
System and method for providing alternate AC voltage
We claim: 1. A system for use with primary and secondary electrical loads having a main AC voltage source, the system providing an alternate AC voltage source to the primary electrical load in the eve... Read More
Inventors: Green, John D.; Sheka, Gregory J.; Thompson, Michael L.; Hissong, John B.; Tan, Ming D.;, Assignee: Holophane Lighting, Inc. (Newark, OH) |
Encoder and decoder microchips and remote control devices for secure unidirectional communication
It is an object of the present invention to provide encoder and decoder microchips for use in a remote control system of increased security, of which the user friendliness has not been unduly sacrific... Read More
Inventors: Bruwer, Frederick Johannes; Smit, Willem; Kuhn, Gideon Jacobus;, Assignee: Microchip Technology Incorporated (Chandler, AZ) |
Fire alarm system with different types of sensors and dynamic system parameters
OF THE PREFERRED EMBODIMENTS While this invention can be embodied in different structures and methods, there are shown in the drawing, and will be described herein in detail, specific embodiments the... Read More
Inventors: Tice, Lee D.;, Assignee: Pittway Corporation (Chicago, IL) |
Method and apparatus for detecting temperature variation utilizing the Curie point of a ferromagnetic material
We claim: 1. A method for detecting temperature variation above or below a predetermined value, comprising: a. transmitting an electrical signal of short duration along an electrical circuit in therma... Read More
Inventors: Luke, Robert J.; Robson, Ronald C.;, Assignee: Shell Oil Company (NL) |
Apparatus for capacitance or dampness measurements
OF THE INVENTION Referring now to FIGS. 1 to 4 of the drawings, a first apparatus comprises a chassis 1 and a hollow cover 2 having a handle 3 pivotally attached thereto by a horizontal pivot pin 4 h... Read More
Inventors: Wardell, Gerald E.;, Assignee: Rynhart Research Limited (Delgany, IE) |
Method and apparatus for performing optical time domain reflectometry
It is an object of this invention to provide a method and corresponding apparatus for performing optical time domain reflectometry on a light transmitting medium which avoids the disadvantages caused ... Read More
Inventors: Beller, Josef;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Distributed fiber-optic sensor with substance selective permeable coating
A leakage monitoring system for above-ground and below-ground storage tanks utilizes fiber optic technology. The monitoring system has a sensor which consists of an optical fiber coated with a special... Read More
Inventors: Gergely, John S.; Evens, F. Monte;, Assignee: Conoco Inc. (Ponca City, OK) |
Early warning roof vent
In this invention moisture detection apparatus is incorporated into roofing vents and provision is made for routine inspection or remote signalling utilizing solar power or batteries to indicate not o... Read More
Inventors: Nill, Jr., Andrew J.;, Assignee: |
Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection
Referring to the accompanying drawings, and especially FIG. 1, there is illustrated a fibre optic cable monitoring system 10 associated with a fibre optic cable 12. The illustrated cable is a single ... Read More
Inventors: Vokey, David E.; Sontag, Kenneth N.; Kraft, Heinrich;, Assignee: Norscan Instruments Ltd. (Winnipeg, CA) |
Method and apparatus for detecting and distinguishing leaks using reflectometry and conductivity tests
OF THE PREFERRED EMBODIMENT Referring now the drawing, with particular attention to FIG. 1, there is illustrated a preferred embodiment of the system for detecting the presence of fluids and distingu... Read More
Inventors: Bailey, Douglas S.;, Assignee: Perma-Pipe, Inc. (Niles, IL) |
Method for finding and measuring optical features using an optical time domain reflectometer
It is a feature of the present invention to provide a method for automatically finding optical features and making measurements of the fiber optic cable. In a first aspect, the present invention provi... Read More
Inventors: Liao, David D.; Forber, Andrew E.;, Assignee: Antel Optronics Inc. (Burlington, CA) |
Method and apparatus for separating and analyzing composite AC/DC waveforms
OF THE PREFERRED EMBODIMENT The following describes one embodiment of the many aspects of the present invention which is also considered to be the best mode of the invention. FIG. 1 is a block diagra... Read More
Inventors: Williams, Harold Richard;, Assignee: ADB-Alnaco, Inc. (Columbus, OH) |
System for detecting leaks from liquid-containing reservoirs and conduits
In accordance with the present invention, an electrically conductive wire network is placed directly beneath a chemical-containing reservoir or conduit, and changes in the electrical properties of eac... Read More
Inventors: Johnson, Jr., Victor R.;, Assignee: |
Integrator and active filter including integrator with simple phase compensation
The present invention has been made in an attempt to solve the above-described conventional problems, and therefore, has a primary object to provide an integrator circuit suitable for an RF active fil... Read More
Inventors: Koyama, Mikio; Tanimoto, Hiroshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Boomerang
It is an object of the instant invention to provide a boomerang having a novel means for controlling the lay-down characteristics thereof. It is a feature of the instant invention that a multi-arm boo... Read More
Inventors: Robson, David P.;, Assignee: |
Antenna having electrically positionable phase center
An antenna is disclosed herein which includes a central receiving element and a number of variable reactances spaced around the central element. These variable reactances, which are sometimes referred... Read More
Inventors: Henderson, Albert S.;, Assignee: Harris Corporation (Melbourne, FL) |
Apparatus for scanning and measuring the near-field radiation of an antenna
The apparatus described and claimed herein utilizes a radiation sensing probe mounted on a Foucault pendulum suspended above the antenna under test, and electronic timing and measuring instrumentation... Read More
Inventors: Poirier, J. Leon; Yaghjian, Arthur D.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Process for carrying out an inspection round of nuclear installations
OF THE PREFERRED EMBODIMENTS This industrial site 5 has not shown automatic installations, whose operation is checked by sensors 10 distributed over the site 5 and which are grouped around the collec... Read More
Inventors: Petitclerc, Jean-Louis; Ricaud, Jean-Louis;, Assignee: COGEMA - Compagnie Generale des Matieres Nucleaires (Velizy Villacoublay, FR) |
BCD-to-Binary converter
The present invention is directed to improvements in the above described Beougher BCD-to-binary conversion approach whereby the same powers of 2 expansion is employed as taught by Beougher. However, i... Read More
Inventors: Flora, Laurence P.; Wiener, Daniel P.;, Assignee: Burroughs Corporation (Detroit, MI) |
Decorative waterfall
It is noted that the reasons for the acoustics created by a natural waterfall is the open spaces or indentures or crevices created in the wall behind the flow of water. It is an object to provide a wa... Read More
Inventors: Nash, John;, Assignee: |
Oil-water interfacial detector
I claim: 1. An oil-water interfacial detector, comprising in combination, an instrument including a dip stick attached thereto; said instrument including therein an electrical circuit that has a first... Read More
Inventors: Cheng, Sheng-Hsiung;, Assignee: |
In-line optical fiber polarizer
Briefly, the above and other objects are achieved by reducing the fiber core diameter in a selected portion of a polarization holding optical fiber in order to adjust the V-value of the optical fiber ... Read More
Inventors: Burns, William K.; Villarruel, Carl A.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Finite metastable time synchronizer
What is claimed is: 1. A finite metastable time synchronizer for synchronizing an input data signal provided to a digital receiving circuit with a clock frequency of the receiving circuit, the synchro... Read More
Inventors: Sowell, Richard G.; Pieters, Robert;, Assignee: National Semiconductor Corporation (Santa Clara, CA) |
Communications 
