Selectable delay system
The present invention is directed to a selectable delay system for coupling between a plurality of elements and an input/output (i.e., input and/or output) terminal, the relative delays between the in... Read More
Inventors: Glenn, William E.;, Assignee: New York Institute of Technology (Old Westbury, NY) |
Broadband electromagnetic acoustic transducers
It is a general objective of this invention to provide an improved broadband electromagnetic acoustic transduction technique. The broadband electromagnetic acoustic transducer of this invention genera... Read More
Inventors: Peterson, William E.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Ultrasonic testing of tubular goods
The present invention relates to improvements in ultrasonic inspection of tubular goods and is particularly directed to a full coverage transducer collar for longitudinal, transverse and thickness tes... Read More
Inventors: Livingston, Waylon A.;, Assignee: |
Sub-assembly for detecting leaks of a liquid metal
The aim of the invention is to provide an apparatus for detecting leaks of a liquid metal which does not have the disadvantages of the known apparatus, and which is characterised in particular by a pa... Read More
Inventors: Belval, Michel; Casselman, Chantal; Malet, Jean-Claude; Prats, Christian; Meneret, Jean;, Assignee: Commissariat a l'Energie Atomique (Paris, FR); Carbonisation Entreprise et Ceramique (C.E.C.) (Montrouge, FR) |
Position control
We claim: 1. Ultrasonic test equipment, comprising a transducer head having primary transducer means, mounted on said transducer head, for emitting a pulsed beam of ultrasonic energy towards a workpie... Read More
Inventors: Jackson, Graham; Surawy, Ryszard;, Assignee: British Aerospace Public Limited Company (London, GB2) |
Method of determining three-dimensional tectonic stresses
It is, therefore, an object of the present invention to provide a novel method which can determine the three-dimensional stresses of a rock with a high reliability. Another object of the present inven... Read More
Inventors: Kosugi, Masayuki;, Assignee: Director-General of Agency of Industrial Science and Technology (JP) |
Front panel for a balancing machine
What is claimed is: 1. A front panel for a balancing machine comprising: a plate; a keyboard mounted to said plate, said keyboard having at least sixteen buttons adapted for connection to control elem... Read More
Inventors: Hofmann, Dionys;, Assignee: Gebr. Hofmann G.m.b.H. & Co., KG, Maschinenfabrik (Darmstadt, DE) |
Quantitative volume backscatter imaging
The primary propagation effects encountered in clinical measurements are dispersion or acoustic beam softening due to loss of high frequency components with increasing range, beam width and beam inten... Read More
Inventors: O'Donnell, Matthew;, Assignee: General Electric Company (Schenectady, NY) |
Ultrasonic transducers and applications thereof
What is claimed is: 1. In a transducer structure comprising a plurality of concentric annular transducer elements, a method of energizing said transducer elements and transmitting an ultrasonic beam f... Read More
Inventors: Fu, Chong-Cheng; Gerzberg, Levy;, Assignee: The Board of Trustees of the Leland Stanford Junior University (Stanford, CA) |
Apparatus for characterizing ultrasonic medium
It is an object of the present invention to provide a simplified, small size, high precision and economical apparatus for measuring characteristic values of a medium which realizes high speed signal c... Read More
Inventors: Miwa, Hirohide; Murakami, Keiichi; Shimura, Takaki; Igarashi, Yutaka; Shiba, Akira; Hayashi, Hajime;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Ultrasonic transducer
It is a principal object of the present invention to provide an improved electro-acoustic device adapted to overcome or substantially reduce the above-noted problems. It is another object of the prese... Read More
Inventors: Martinelli, Michael A.;, Assignee: Intra-Sonix, Inc. (Burlington, MA) |
Optical bichromatic position finder
OF THE INVENTION Referring now to the drawings, wherein like numerals indicate like elements, FIG. 1 shows a bichromatic screen 10 according to the present invention, which provides a system of coord... Read More
Inventors: Horn, Michael;, Assignee: Optsonic Research Associates, Inc. (New York, NY) |
Angiographic injector and angiographic syringe for use therewith
In general, an angiographic syringe includes a plunger which is advanceable through a tubular body for forcing contrast media from a discharge end of the tubular body into the vascular system of an an... Read More
Inventors: Reilly, David M.; Uber, III, Arthur E.;, Assignee: Medrad, Inc. (Pittsburgh, PA) |
Combination patient support table and shock wave tube
An object of the invention is to provide a patient supporting table of the type initially described such that an exact positioning of the patient relative to the shock wave tube is possible in a simpl... Read More
Inventors: Grasser, Franz;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Ultrasonic imaging apparatus
It is an object of the present invention to provide an ultrasonic imaging apparatus for enlarging any region of a standard size tomographic image, with any magnification, and displaying the standard s... Read More
Inventors: Saitou, Satoshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Non-invasive automatic blood pressure measuring apparatus
The purpose of the present invention is to provide a non-invasive automatic blood pressure measuring apparatus based on a new system which is capable of measuring blood pressure with greater accuracy.... Read More
Inventors: Ogawa, Keikitsu; Takeda Sunoa (Ichikawa, JP), Hyogo; Mitsushi (Niiza, JP), Shindo;, Assignee: Nihon Kohden Corporation (Tokyo, JP) |
Acceleration monitoring system
I claim: 1. A monitoring system comprising: (A) a sensor responsive to acceleration in a predetermined plane and comprising a liquid-filled casing, a float structure immersed in the liquid in the casi... Read More
Inventors: Stoltz, Andries J.;, Assignee: C.W.M. Du Toit Beleggings (Eiendoms) Beperk (Pretoria, ZA) |
Piezoelectric transducer for the destruction of concretions within an animal body
To this end, the present invention consists in a piezoelectric transducer for the destruction of hard concretions formed within an animal body, and being in the form of a spheroidal cap, characterized... Read More
Inventors: Kurtze, Gunther; Riedlinger, Rainer;, Assignee: Richard Wolf GmbH (Knittlingen, DE) |
Air assisted medical devices
The present invention is an air assisted device for positioning or moving a limb or a joint. The device is lightweight, comfortable and easy to wear and use, and relatively inexpensive. The device use... Read More
Inventors: Bonutti, Peter M.;, Assignee: |
Ultrasonic applicator for ultrasonic scanning of bodies and method of using the same
In FIG. 1, the applicator is shown as comprising a housing 1 which is subdivided into compartments 2 and 3 providing respective separate interior spaces. A main part of the compartment 2 is shown in ... Read More
Inventors: Soldner, Richard E.;, Assignee: Siemens Aktiengesellschaft (Berlin & Munich, DE) |
Vortex flow meter frequency adjustment
I claim: 1. A device for generating vortices in a bounded fluid stream comprising: a fluid flow duct means for passing a fluid stream; a generator means for generating vortices positioned in said duct... Read More
Inventors: Joy, Robert D.;, Assignee: Ford Motor Company (Dearborn, MI) |
Ultrasonic transducer with Gaussian radial pressure distribution
The invention is an ultrasonic transducer consisting essentially of a piezoelectric crystal with several concentric circular ring electrodes on one side of the piezoelectric crystal. An AC source and ... Read More
Inventors: Claus, Richard O.; Zerwekh, Paul S.;, Assignee: The United States of America as represented by the Administrator of the (Washington, DC) |
Mounting for piezoelectric bender of fluid control device
What I claim is: 1. In a piezoelectrically operated fluid control device including at least one piezoelectric bender element having a free end and a fixed end, a valve body, the valve body having at l... Read More
Inventors: Siegal, Burton L.;, Assignee: Kiwi Coders Corporation (Skokie, IL) |
Ultrasonic imaging device
Accordingly, it is an object of the present invention to provide an ultrasonic imaging device which avoids the above-mentioned drawbacks. More specifically, it is an object of the present invention to... Read More
Inventors: Flanagan, III, Eugene L.;, Assignee: American Home Products Corporation (Del.) (New York, NY) |
Method for examining a surface of a sample by means of ultrasound
An object of this invention is to provide a new examination method and a device therefor, by which the above described examination method using a V(z) curve is further developed. Another object of thi... Read More
Inventors: Ishikawa, Isao; Kanda, Hiroshi; Katakura, Kageyoshi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Probe assembly
It is an object of the present invention to provide a convenient, simple, and accurate radiation monitor probe assembly, particularly a hand-held fibrinogen monitor probe assembly, capable of easy rep... Read More
Inventors: Avera, Jr., C. Bert;, Assignee: Actus, Inc. (Florence, KY) |
Coincidence counting emission tomographic probe: method and apparatus
This invention is distinct from other radioactive emission tomographic systems in the clinical objective of the test, the physicochemical mechanisms involved, the instrument arrangement required, and ... Read More
Inventors: Fymat, Alain L.; Lee, Wai-Nang P.; Greenfield, Moses A.;, Assignee: The Regents of the University of California (Berkeley, CA) |
Detector and localizer for low energy radiation emissions
OF THE INVENTION Referring to FIG. 1, an embodiment of the probe and supporting instrumentation of the invention particularly designed for employment in the medical-surgical field is represented gene... Read More
Inventors: Denen, Dennis J.; Thurston, Marlin O.; Ramsey, Raymond C.;, Assignee: Neoprobe Corporation (Columbus, OH) |
Liver function testing apparatus
Accordingly, a principal object of the present invention is to provide a liver function testing apparatus which can reduce mental and physical burdens on a testee, to automatically measure an index ex... Read More
Inventors: Kanda, Masahiko; Awazu, Kunio;, Assignee: Sumitomo Electric Industries, Ltd. (Osaka, JP) |
Radiological diagnostics system employing a contrast agent
I claim as my invention: 1. A diagnostics system comprising: means for generating a radiological image of a patient; means for introducing a contrast agent and a contrast agent indicator into said pat... Read More
Inventors: Kalender, Willi;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Cosmetic Surgery 
