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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8132461 | Ice thickness measuring system An ice thickness measurement system for determining thicknesses of an ice sheet such as an ice rink that is positioned on a solid or granular substrate. The system determines the thickness of the ice sheet using an acoustic technique, is portable, and may include a ... | 03/13/2012 |
| 8104348 | Method and device for monitoring a flowing liquid for the presence of air The present invention relates to a method and a device for monitoring a flowing medium, in particular the blood flowing in an extracorporeal blood circulation, for the presence of air, in particular micro-bubbles. A sequence of signal pulses or a continuous signal i... | 01/31/2012 |
| 7895895 | Method and apparatus for quantifying porosity in a component A computer implemented method, or hardware filtration apparatus, and computer usable program code for measuring porosity in materials. An ultrasonic signal is emitted from a transmitting transducer in an ultrasonic measurement system into a material. A response sign... | 03/01/2011 |
| 7739911 | Ultrasonic characterization of solid liquid suspensions Using an ultrasonic field, properties of a solid liquid suspension such as through-transmission attenuation, backscattering, and diffuse field are measured. These properties are converted to quantities indicating the strength of different loss mechanisms (such as ab... | 06/22/2010 |
| 7650788 | Differentiation and identification of analogous chemical or biological substances with biosensors An RFID biosensor detection system for detecting particular substances has an interrogator circuit to transmit a radio frequency signal, an input transducer mounted on a piezoelectric material to receive an input radio frequency signal and propagate a corresponding ... | 01/26/2010 |
| 7520172 | Inspection system for inspecting a structure and associated method A system and method for inspecting a structure having a coating on at least one surface are provided. The system includes at least one ultrasonic sensor positioned proximate to the structure. Each sensor is capable of transmitting a shear wave toward the structure a... | 04/21/2009 |
| 7503217 | Sonar sand detection Methods and apparatus for detecting particles flowing in a fluid within a conduit involve analysis of acoustic pressure signals detected with an array of at least two pressure sensors. The analysis can include monitoring for attenuation in power of the acoustic dist... | 03/17/2009 |
| 7451649 | Differentiation and identification of analogous chemical or biological substances with biosensors A biosensor detection system for detecting a particular substance has at least two biosensor devices. Each biosensor device includes a piezoelectric material, an input transducer mounted on the piezoelectric material to receive an input radio frequency signal and pr... | 11/18/2008 |
| 7430912 | Random incident absorber approximation A method for measuring a first angular specific sound absorption spectrum of a first sound absorbing sample. The first sound absorbing sample has a predetermined random incidence sound absorption spectrum. The angular specific sound absorption spectrum is determined... | 10/07/2008 |
| 7426866 | Acoustic liquid dispensing apparatus A liquid dispensing apparatus for dispensing droplets of a liquid, and methods for measuring various fluid parameters of the liquid are described. The liquid dispensing apparatus comprises a container having a chamber for holding a liquid. An orifice is positioned a... | 09/23/2008 |
| 7418867 | Remote use of ultrasonic sensors A method and apparatus for conducting ultrasonic inspections of what would normally be inaccessible areas of objects for such properties as thickness, cracks, discontinuities, density, pits and holes. In addition, a method and apparatus for improving ultrasonic insp... | 09/02/2008 |
| 7415881 | Ultrasonic sensor system for web-guiding apparatus A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively tra... | 08/26/2008 |
| 7401518 | Method for inspection of metal tubular goods A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in association with both the longitudinal and circumferential position at wh... | 07/22/2008 |
| 7398685 | Measuring method using surface acoustic wave device, and surface acoustic wave device and biosensor device A measuring method using a surface acoustic wave device, with which even in a case where a target substance having a different viscosity is added to a buffer liquid on the surface acoustic wave device it is possible to measure a mass load accurately without sufferin... | 07/15/2008 |
| 7389693 | Methods and apparatus for porosity measurement A method for non-destructively inspecting a composite structure with a single ultrasonic transducer includes determining a calibration amplitude of ultrasonic transmissions emitted by the single ultrasonic transducer to a reflector in a fluid-filled immersion tank a... | 06/24/2008 |
| 7390379 | Method and apparatus for determining the lateral position of a web or fabric edge in a former The lateral position of a web or fabric edge 11 in a paper machine is determined using an ultrasonic sensor. The ultrasonic sensor has a detector head 42, with an air channel system which opens to the vicinity of the head for forming an air knife which... | 06/24/2008 |
| 7363817 | System and technique for detecting the presence of foreign material Systems and techniques for detecting the presence of foreign material in food utilizing optical backlighting and/or ultrasonic inspection are presented. In optical backlighting, a substantially monochromatic light source optically backlights a food stream with sourc... | 04/29/2008 |
| 7360403 | Measurement and control of asphaltene agglomeration in hydrocarbon liquids A method is provided for measuring the agglomerative state of asphaltenes in oil by applying an acoustic signal to the oil, detecting the scattered acoustic energy and using this detected signal to determine the relative particle size distribution of the asphaltene ... | 04/22/2008 |
| 7360462 | Method and equipment for inspecting reinforced concrete pipe Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area is selected. With respect to the selected portion to be inspected in d... | 04/22/2008 |
| 7357027 | Ultrasonic sensor system for web-guiding apparatus A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively tra... | 04/15/2008 |
| 7353709 | Method and system for determining material properties using ultrasonic attenuation A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is compared with a reference signal produced using the same generation and ... | 04/08/2008 |
| 7353695 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 04/08/2008 |
| 7337672 | Method for inspecting grinding wheels This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection. ... | 03/04/2008 |
| 7335334 | Active air removal from an extracorporeal blood circuit A disposable, integrated extracorporeal blood circuit employed during cardiopulmonary bypass surgery performs gas exchange, heat transfer, and microemboli filtering functions in a way as to conserve volume, to reduce setup and change out times, to eliminate a venous... | 02/26/2008 |
| 7333897 | Method and system for identifying material composition based upon polarization trajectories A system and method for determining a most likely material composition of an object. At least one respective stored radiation polarization transformation is stored for at least one material composition at a plurality of wavelengths. A transmitted electromagnetic sig... | 02/19/2008 |
| 7328197 | Identifying a state of a data storage drive using an artificial neural network generated model The state or condition of a data storage drive, or a subsystem within a drive, may be evaluated by comparing a set of selected parameter values, converted into a trial vector, with a number of model or exemplar vectors, each of which was represents a particular stat... | 02/05/2008 |
| 7319399 | System and method for monitoring the wearing compliance of hearing protection devices A system for monitoring the use of a hearing protection unit comprising a left ear hearing protection device (14) and a right ear hearing protection device (12) to be worn by a user (10) within a monitoring area, an arrangement (16, 18, 22, 1... | 01/15/2008 |
| 7305884 | In situ monitoring of reactive material using ultrasound The present invention provides a device and method of non-destructively monitoring reactive material through a substrate for changes in material properties that designate the condition of the reactive material during cure and service life. A transducer is placed on ... | 12/11/2007 |
| 7304732 | Microelectromechanical resonant photoacoustic cell An integrated photoacoustic spectroscopy (PAS) cell is fabricated using microelectromechanical (MEMS) techniques. The multi-layer structure includes an inner layer with a patterned resonant cavity disposed between top and bottom outer layers and a microphone acousti... | 12/04/2007 |
| 7299697 | Method and system for inspecting objects using ultrasound scan data A method and apparatus for estimating a depth of a crack from ultrasound scan data are provided. The method includes mapping multiple amplitude responses from the ultrasound scan data, each mapped amplitude response being representative of a signal from one of the s... | 11/27/2007 |
| 7290451 | Status discriminating apparatus of human, animal, machine or the like using ultrasonic vibration detecting sensor, and status discriminating method of human, animal, machine or the like using the same A human or other status discriminating apparatus includes an ultrasonic vibration detecting sensor comprising a container main body, a liquid packed tightly in the container main body, and an ultrasonic vibrator for transmitting ultrasonic waves into the liquid and ... | 11/06/2007 |
| 7290454 | Pressure flow sensor systems and pressure flow sensors for use therein A differential pressure flow sensor system comprises a disposable flow sensor which has upstream and downstream pressure sensing devices for detecting a differential pressure in a flow channel. Each sensing device comprises a diaphragm, a capacitor and an inductor e... | 11/06/2007 |
| 7284433 | Ultrasonic testing of fitting assembly for fluid conduits with a hand-held apparatus Hand-held apparatus and method for determining relative and/or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of transient shear waves and analyzing the reflected energy. Application of th... | 10/23/2007 |
| 7282663 | Forge welding process An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon the heated tubular ends are... | 10/16/2007 |
| 7275442 | Method for ultrasonic inspection of generator field teeth A method for ultrasonically inspecting a generator field tooth for the detection, characterization and/or sizing of cracks thereat is disclosed. An electromagnetic acoustic transducer (EMAT) productive of a test signal having a defined angle of refraction with respe... | 10/02/2007 |
| 7275441 | Method for ultrasonic inspection of generator field teeth A method for ultrasonically inspecting a generator field tooth for the detection, characterization and/or sizing of cracks thereat is disclosed. A monolithic piezoelectric transducer (MPT) productive of a test signal having a defined angle of refraction with respect... | 10/02/2007 |
| 7270004 | Method and apparatus for carrying out non-destructive testing of materials A method of testing a material sample for defects, comprising the steps of applying a test signal to the material sample, receiving a return signal from the material sample and analysing the return signal to determine whether the material sample is defective. In one... | 09/18/2007 |
| 7263887 | Method for inspection of metal tubular goods A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in association with both the longitudinal and circumferential position at wh... | 09/04/2007 |
| 7263874 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 09/04/2007 |
| 7263886 | Apparatus for and methods of stress testing metal components A tuning device (23) and an apparatus that incorporates the tuning device (23) for use in testing the integrity of a railway line (30) to obtain an improved test signal, the tuning device (23) including an elongate member (23) adap... | 09/04/2007 |
