Matches 1 - 14 out of 14


Match Document Document Title
US20150253292 DIRECT FIELD ACOUSTIC TESTING IN A SEMI-REVERBERANT ENCLOSURE  
An acoustic testing system includes at least four control microphones, at least four acoustic transducers, an acoustic enclosure with pre-determined reverberant characteristics which contains the...
US20110177603 ULTRASONIC TEST EQUIPMENT  
An ultrasonic test equipment includes a water tank for storing ultrasonic medium, an ultrasonic probe provided in the water tank, an ultrasonic medium temperature sensor configured to measure a...
US20050279168 Test stand and method for measuring sound insulation or insertion loss on a test object  
The invention relates to a test stand and a method for measuring sound insulation or insertion loss on a test object. The test stand includes a transmitting chamber (1) provided with a plurality...
US20080053230 Ultrasonic Inspection Method and Ultrasonic Inspection Device  
A bottom surface of a medium tank 1 is closed with a polymer film 2, the polymer film 2 is stuck to the medium tank 1 by reducing the pressure of the inside of the medium tank 1, an ultrasonic...
US20060070445 Mobile test stand for determining the sound insulation or insertion loss of a test object  
The present invention relates to a test stand, particularly a ceiling test stand (1) for determining the sound insulation or insertion loss of a test object (2), particularly a vehicle floor,...
US20140051107 Method and Apparatus for Measuring Particle Characteristics through Mass Detection  
Method for measuring a target particle property. A suspended microchannel resonator is calibrated to determine the relationship between a detected mass and a resonance frequency shift of the...
US20070288181 Method for testing cooling fan and apparatus thereof  
A method and an apparatus for testing a cooling fan are provided. The method includes steps of: providing the testing apparatus including the holder centrally formed with the accommodating space,...
US20090000378 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...
US20090031810 SYSTEMS AND METHODS FOR CONDUCTING SIMULTANEOUS VIBRATION AND ELECTRICAL TESTING  
A mounting pedestal is designed to hold a DUT in position for both electrical testing and vibration testing. The design is such that the pedestal can remain thermally sealed from an environment...
US20140245833 APPARATUS AND METHOD FOR CARRYING OUT IN A CONTROLLED ATMOSPHERE MATERIAL FATIGUE TESTS IN A HIGH CYCLE REGIME WITH A CONTROLLED STRAIN RATIO  
An apparatus for carrying out high cycle fatigue tests of a specimen under high pressure, including: a pressure vessel; a load train including a first horn and a second horn between which a...
US20140060153 APPARATUS AND METHOD FOR IMPROVED ACOUSTICAL TRANSFORMATION  
An acoustical transformer having a last matching section that includes a protective barrier of low permeability. The protective barrier is in contact with a test medium. In one embodiment, the...
US20170038339 MUD SETTLEMENT DETECTION TECHNIQUE BY NON-DESTRUCTIVE ULTRASONIC MEASUREMENTS  
Systems and methods of determining settlement characteristics of a drilling mud are disclosed. Conditions under which heavier elements of the drilling mud settle under the influence of gravity can...
US20160274067 Determining Mechanical Properties via Ultrasound-Induced Resonance  
A device for estimating a mechanical property of a sample is disclosed herein. The device may include a chamber configured to hold the sample; a transmitter configured to transmit a plurality of...
US20160274063 METHOD AND ASSEMBLY FOR INSPECTING A PARTIALLY CURED REPAIR PATCH PRIOR TO INSTALLATION  
A method and assembly are provided in order to inspect a partially cured repair patch prior to installation. For example, an assembly for inspecting a repair patch is provided that includes a...

Matches 1 - 14 out of 14