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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8181523 | Ultrasound inspection methods for noisy cast materials and related probes Ultrasound inspection methods for noisy materials and related probes are disclosed to inspect a defect in a cast material that use polycarbonate delay layers having a first surface configured to be disposed on a surface of the cast material; and an acoustic crystal ... | 05/22/2012 |
| 8176783 | Non-contact fluid characterization in containers using ultrasonic waves Apparatus and method for non-contact (stand-off) ultrasonic determination of certain characteristics of fluids in containers or pipes are described. A combination of swept frequency acoustic interferometry (SFAI), wide-bandwidth, air-coupled acoustic transducers, na... | 05/15/2012 |
| 8176784 | Elastic wave device and electronic component To provide an elastic wave device that is small sized and in which a frequency fluctuation due to a change with time hardly occurs, and an electronic component using the above elastic wave device. A trapping energy mode portion 2 provided in an elastic wave w... | 05/15/2012 |
| 8171795 | Self-exciting, self-sensing piezoelectric cantilever sensor for detection of airborne analytes directly in air A method for detection of airborne biological agent using a piezoelectric cantilever sensor that includes a piezoelectric layer and a non-piezoelectric layer. A recognition entity is placed on one or both of the two layers. The antibody that recognizes and binds to ... | 05/08/2012 |
| 8166820 | Method for detecting a sonic imprint of a three-dimensional object and related apparatus Non invasive method used to detect a “sonic imprint” of three-dimensional objects, particularly suitable for the identification and monitoring of artworks, consisting in acquiring the vibrations caused by a source of elastic waves and using a set of detectors fi... | 05/01/2012 |
| 8156810 | Method for identifying defective heat fusion joints A method for characterizing a defect of a defective heat fusion joint connecting two pipe segments in which the time of flight of an ultrasonic waveform reflected off an exterior surface of a heat fusion joint fitting connecting the two pipe segments or reflected of... | 04/17/2012 |
| 8156809 | Systems and methods for resonance detection Systems and methods for resonance detection are disclosed. For example, one method for resonance detection includes the step of transmitting an actuator signal to an actuator coupled to a surface of a device. The actuator signal is configured to cause the actuator t... | 04/17/2012 |
| 8141427 | Piezoelectric and piezoresistive cantilever sensors An apparatus for sensing a target substance includes a substrate, an elongated electroactive cantilever, a functional layer and an electrical sensor. The elongated electroactive cantilever includes a first surface and an opposite second surface. The elongated electr... | 03/27/2012 |
| 8061205 | Acoustic method and apparatus for detection and characterization of a medium An acoustic method and apparatus detects or characterizes a medium in a structure which may be a container, such as a pipeline for transportation of oil, gas, or hydrocarbon condensate. A pulse of broadband acoustic energy is emitted towards the structure by a first... | 11/22/2011 |
| 8051714 | Sensing instrument In a sensing instrument using a quartz sensor on whose front surface an adsorption layer for adsorbing a substance to be sensed is formed and which changes in natural frequency by the adsorption of the substance to be sensed, the present invention has an object to q... | 11/08/2011 |
| 8051715 | Resonant inspection using reconfigurable nest The present disclosure provides a device and method for non-destructive testing of an object using resonant ultrasound spectroscopy, wherein the device is provided with a reconfigurable nest for placement of objects of various shapes and sizes on the device. The rec... | 11/08/2011 |
| 8047077 | Surface acoustic wave sensor and sensing method using surface acoustic wave A surface acoustic wave (“SAW”) sensor includes; a first signal generator which generates a first signal having a predetermined frequency bandwidth using a pseudo random sequence, a second signal generator which generates a second signal with a predetermined fre... | 11/01/2011 |
| 7987718 | Vibroacoustic system for vibration testing Forces are applied to a device under test and its mechanical response is measured by a laser vibrometer (50). The forces are applied without making physical contact with the device by producing an acoustical force with an ultrasonic beam (54). One embo... | 08/02/2011 |
| 7984649 | Panel inspection apparatus and inspection method A panel inspection apparatus includes a resonant frequency extracting unit for extracting a plurality of resonant frequencies of a panel, a resonant frequency selecting unit for selecting a combination of resonant frequencies consisting of two resonant frequencies A... | 07/26/2011 |
| 7975547 | Method and apparatus for interfacial sensing A sensor is disclosed for analyzing information, such as interfacial interactions, found in various systems. A sensor is located proximate to an interface that is to be studied. The sensor is actuated in order to produce acoustical signals. The frequency of oscillat... | 07/12/2011 |
| 7958783 | Method and device for analyzing the effects of the vibrations of a vehicle transmitted to a person Device and method for recording vibrations transmitted from a vehicle to a person. The person is using a cushioned and preferably sprung vehicle seat of a vehicle by way of at least one detector unit for detecting vibration values, whereby the detector unit is arran... | 06/14/2011 |
| 7942056 | Self-exciting, self-sensing piezoelectric cantilever sensor A piezoelectric cantilever sensor includes a piezoelectric layer and a non-piezoelectric layer, a portion of which is attached to the piezoelectric layer. In one embodiment, one end of the non-piezoelectric layer extends beyond the end of piezoelectric layer to prov... | 05/17/2011 |
| 7895894 | Driver device, physical quantity measuring device, and electronic instrument A driver device includes a gain control amplifier that causes a vibrator to produce driving vibrations by controlling an oscillation amplitude in an oscillation loop, a signal generation circuit that generates a signal having a given frequency, and a modulation circ... | 03/01/2011 |
| 7878062 | Advanced ultrasonic interferometer and method of non-linear classification and identification of matter using same An ultrasonic interferometer for the characterization of the matter (solids, fluids & gases) in a medium is described, along with a method of using the same. The interferometer accurately determines the travel time of the multi-frequency ultrasonic signal in the mat... | 02/01/2011 |
| 7878063 | Simultaneous sample manipulation and sensing using surface acoustic waves The present invention provides a hexagonal, delay line surface acoustic wave device fabricated on a a piezoelectric substrate, such as lithium tantalate, coated with an insulating waveguide on to which a sensing film, such as an anti-human Interleukin-6 biosensor fi... | 02/01/2011 |
| 7874211 | Measuring method and measuring device using quartz oscillator An object of the present invention is that any of mass load, viscous load and viscoelasticity load is measured separately from other load whereby properties of the substance to be measured are able to be measured correctly. The characteristic feature of the p... | 01/25/2011 |
| 7870790 | Method and apparatus for evaluating feeling of hitting generated by golf club A method for evaluating feeling of hitting of a golf club, includes: measuring vibration of a golf club appearing in a circumferential direction of a shaft when a golf ball is hit by the golf club having the three-axis accelerometer attached to the shaft by a three-... | 01/18/2011 |
| 7866211 | Fouling and corrosion detector for process control industries A method for inferring possible or impending corrosion or fouling of process elements from fluid flowing in a pipe of an industrial process is described. A frequency response of a body is measured. The measured frequency response is compared against a stored value. ... | 01/11/2011 |
| 7861590 | Method of determining sublimate in thermoset film with QCM sensor A method for measuring an amount of a sublimate in real time with respect to a lapse of heating time, comprising: adhering the sublimate from a thermoset film during heating to a surface of a crystal oscillator using a nozzle inserted into a detection part; and meas... | 01/04/2011 |
| 7849746 | Driver device, physical quantity measuring device, and electronic instrument A driver device that forms an oscillation loop with a vibrator and causes the vibrator to produce driving vibrations includes a current-voltage converter that is provided in the oscillation loop and converts a current that flows through the vibrator into a voltage, ... | 12/14/2010 |
| 7845231 | Shear measuring method and its device A resonance shear measuring method capable of simple and rapid measurement by obtaining a resonance shear curve through Fourier transformation of a damping curve of an oscillation on one side surface of a sample during measurement of shear response from the sample i... | 12/07/2010 |
| 7845230 | Concentration sensor and concentration detector In a concentration sensor using a piezoelectric piece, for instance, a quartz piece in which the natural frequency is varied by adsorption of a sensing target, the object of the present invention is to make the concentration sensor applicable to various fluids to be... | 12/07/2010 |
| 7819006 | Using resonant acoustic and/or resonant acousto-EM energy to augment a function of a structure by applying a magnetic field to amplify the induced acoustic resonance The present invention makes use of resonant acoustic and/or resonant acousto-EM energy applied to a biological structure to augment at least one function of the targeted biological structure. The resonant acoustic and/or resonant acousto-EM energy which targets the ... | 10/26/2010 |
| 7819007 | Shower mat for using resonant acoustic and/or resonant acousto-EM energy to augment bone growth The present invention makes use of resonant acoustic and/or resonant acousto-EM energy applied to a biological structure to augment bone growth of a bone structure within the biological structure. The resonant acoustic and/or resonant acousto-EM energy which targets... | 10/26/2010 |
| 7819005 | Sensor and transducer devices comprising carbon nanotubes, methods of making and using the same Devices usable as sensors, as transducers, or as both sensors and transducers include one or more nanotubes or nanowires. In some embodiments, the devices may each include a plurality of sensor/transducer devices carried by a common substrate. The sensor/transducer ... | 10/26/2010 |
| 7802478 | Methods and apparatus for measuring elastic modulus of non-solid ceramic materials by resonance The present invention pertains to apparatus and methods for measuring elastic modulus (Young's modulus) of non-solid materials, including honeycomb ceramic materials used in the filtration and/or treatment of exhaust gasses, through a range of temperatures. ... | 09/28/2010 |
| 7802477 | Oral sensation measuring device for foods A probe is inserted at a predetermined speed into a food to be measured, and vibrations created by the insertion are acquired by a piezoelectric element. The vibrations are displayed, and the pulse number per unit time on the basis of the insertion speed of the prob... | 09/28/2010 |
| 7788979 | Monolithic antenna excited acoustic transduction device A Monolithic Antenna Excited Acoustic Transduction (MAEAT) device is fabricated by photolithographically depositing a metallic antenna on one side of a piezoelectric crystal substrate. ... | 09/07/2010 |
| 7779690 | Vibrating wire sensor using spectral analysis Systems and methods for analyzing the resonant frequency of vibratory wires within vibratory wire gauges. The resonant frequency of the vibrating wire is determined by using an interface that digitizes the response of an excited wire in the gauge. A transform then c... | 08/24/2010 |
| 7743658 | Method and device for identifying a damaged bearing of a rotating shaft The invention relates to a method and a device for identifying a damaged bearing (4a, 4b) of a rotating shaft (1). According to the invention: the rotational speed (n) of the shaft (1) is determined; the alternating componen... | 06/29/2010 |
| 7730784 | Ultrasonic method to verify the interference fit of fasteners Embodiments of techniques to verify the interference fit of fasteners are disclosed. In one embodiment, a method includes aligning a probe proximate a fastener, the fastener being disposed within a material. A dynamic stress signal is generated from the probe using ... | 06/08/2010 |
| 7721605 | Mechanical oscillator activated or deactivated by a predetermined condition The present invention is a mechanical oscillator for detection and measurement of corrosive foreign materials. The elements include a mechanical oscillator that is mechanically excited, wherein the mechanical oscillator has a resonant frequency, f, and a quality fac... | 05/25/2010 |
| 7704923 | High throughput screening of catalysts using spin resonance High throughput screening of catalyst libraries may be performed using spin resonance techniques, and an evanescent wave probe developed by the present inventors. The probe may operate using either nuclear magnetic resonance or electron spin resonance techniques. In... | 04/27/2010 |
| 7703325 | Method for relieving residual stress in an object A method for relieving residual stress in an object includes: (a) applying a vibration energy to the object over a frequency range; (b) monitoring vibration behavior of the object over the frequency range so as to identify a reference frequency, where the vibration ... | 04/27/2010 |
| 7690256 | Sensing device To provide a Colpitts oscillation circuit formed with a quartz resonator and a transistor amplifier circuit, which can secure sufficient negative resistance, obtain stable oscillation, negate the need for an amplitude control circuit, and realize stabilization again... | 04/06/2010 |
