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3 results about "Mechanical resonance" patented technology

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Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration (its resonance frequency or resonant frequency) than it does at other frequencies. It may cause violent swaying motions and even catastrophic failure in improperly constructed structures including bridges, buildings and airplanes. This is a phenomenon known as resonance disaster.

System and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance

InactiveUS20110130660A1Ultrasound therapyAnalysing solids using sonic/ultrasonic/infrasonic wavesMechanical resonanceAcoustics

A system and a method for inducing resonance of a heterogeneity or a sample within a body, the system comprising a shear wave generator, and a detection unit; the shear wave generator generating shear waves applied to the body and selectively inducing mechanical resonances of the heterogeneity, the detection unit detecting the induced mechanical resonances. The induced resonance of the heterogeneity is achieved by applying to the body one of: i) shear waves substantially parallel to a longitudinal axis of the heterogeneity; ii) shear waves polarised substantially perpendicularly to said longitudinal axis; iii) shear waves substantially circumferential to the heterogeneity; and iv) planar shear waves.

System and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance

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Owner:VAL CHUM PARTNERSHIP

GIS mechanical resonance spectrum analysis method based on sensitivity analysis of different resonance points

ActiveCN113109705AHighly systematicImprove scienceCircuit interrupters testingSound sourcesEngineering

The invention discloses a GIS mechanical resonance spectrum analysis method based on sensitivity analysis of different resonance points, and belongs to the technical field of GIS fault detection.The method comprises the method according to claims 1-7; According to the GIS mechanical resonance spectrum analysis method based on sensitivity analysis of different resonance points, a quality factor and sensitivity analysis method of the microphone is combined, and sound source characteristics are analyzed by using the generated resonance spectrum, so that a detection result is quantified, the defects of roughness and low precision of traditional methods such as hand touching and auditory smelling of operation and maintenance personnel are overcome, the scientificity of a test result can be improved, and maintenance and safe operation of GIS equipment are facilitated.

Owner:NORTH CHINA ELECTRIC POWER UNIV

Loudspeaker with mechanical resonance mitigation

ActiveUS20220103935A1Improve sound qualityFrequency/directions obtaining arrangementsDiaphragm mounting/tensioningBobbinMechanical resonance

A loudspeaker driver moving system including a bobbin, a diaphragm and an elastic damping ring interposed between and attached respectively to the bobbin and the diaphragm.

Loudspeaker with mechanical resonance mitigation

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Owner:PARADIGM ELECTRONICS

3 results about "Mechanical resonance" patented technology

System and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance

GIS mechanical resonance spectrum analysis method based on sensitivity analysis of different resonance points

Loudspeaker with mechanical resonance mitigation

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