Ultrasonic testing with single shot processing
AssigneeOlympus Scientific Solutions Americas Inc.
InventorAndrew Thomas
Life of this patent
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Abstract
Examples of the present subject matter provide techniques for measuring thicknesses of materials using one or more acquisition cycles. The data from the one or more acquisition cycles may be amplified using a specified gain across the signal response, converted to a digital signal, and stored in a memory. The digital signal may be retrieved from memory, and signal processing techniques using one or more time variable threshold(s) may be used to calculate one or more thickness(es) of the testing object.
Claims22
A method comprising:
- in response to a transmitted ultrasound signal into a test object, acquiring from a transducer probe a signal response in one or more acquisition cycles, the signal response including an electrical representation of one or more echoes received from the test object;
- applying a gain profile across the signal response to generate an amplified signal response;
- digitizing the amplified signal response to generate a digitized signal response;
- and
- calculating from the digitized signal response one or more thicknesses of the test object using at least one time-variable threshold based on one or more associated threshold crossing events.
An inspection system comprising:
- a transducer probe to transmit an ultrasound wave into a test object and to receive one or more reflections of the transmitted ultrasound wave and to convert the one or more reflections into an electrical signal in one or more acquisition cycles;
- an analog circuit to amplify the electrical signal with a gain profile across the electrical signal and to convert the amplified electrical signal into a digital signal;
- and
- a processor to calculate from the digital signal one or more thicknesses of the test object using at least one time-variable threshold based on one or more associated threshold crossing events.
A machine-storage medium embodying instructions that, when executed by a machine, cause the machine to perform operations comprising:
- receiving a digitized signal response having a specified gain;
- and
- calculating from the digitized signal response one or more thicknesses of the test object using at least one time-variable threshold based on one or more associated threshold crossing events.
Dependencies are inferred from the claim text.