US Patent Application 18185259. METHOD AND SYSTEM FOR CALIBRATING ULTRASONIC SENSOR simplified abstract

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METHOD AND SYSTEM FOR CALIBRATING ULTRASONIC SENSOR

Inventors

Kee Yong Kim of Yongin-si (KR)


METHOD AND SYSTEM FOR CALIBRATING ULTRASONIC SENSOR - A simplified explanation of the abstract

  • This abstract for appeared for patent application number 18185259 Titled 'METHOD AND SYSTEM FOR CALIBRATING ULTRASONIC SENSOR'

Simplified Explanation

This abstract describes a method for calibrating an ultrasonic sensor. The method involves transmitting an ultrasonic signal towards a surface of a contact device when a model is present on that surface. The reflected signal of the ultrasonic signal is then sampled at multiple reception time points to generate ultrasonic images. The method further includes detecting portions of the ultrasonic images that are most similar to corresponding portions of a reference image of the model. These detected portions are compared to other portions of the ultrasonic images that have the same positions but were detected at different reception time points. The reception time points corresponding to the detected portions of the ultrasonic images are stored for calibration purposes.


Original Abstract Submitted

A method for calibrating an ultrasonic sensor includes: transmitting a first ultrasonic signal from the ultrasonic sensor toward a first surface of a contact device when a model is on the first surface of the contact device; generating ultrasonic images by sampling a first ultrasonic echo signal, the first ultrasonic echo signal comprising a reflected signal of the first ultrasonic signal, at a plurality of reception time points; detecting portions of the ultrasonic images, wherein detected portions of the ultrasonic images are most similar to corresponding portions of a reference image of the model compared to other portions of the ultrasonic images having same positions as the detected portions and detected at different reception time points of the plurality of reception time points than the detected portions; and storing the reception time points corresponding to the detected portions of the ultrasonic images.

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