The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2021
Filed:
Jan. 15, 2014
Texas Instruments Incorporated, Dallas, TX (US);
Anand Dabak, Plano, TX (US);
Venkata Ramanan, Tucson, AZ (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
A method of calculating a time difference is disclosed. The method includes receiving a first ultrasonic signal (r) from a first transducer (UT) and receiving a second ultrasonic signal (r) from a second ultrasonic transducer (UT). The first and second ultrasonic signals are sampled to produce respective first and second sampled ultrasonic signals (). Points having a value greater than a first threshold are selected from the first and second sampled ultrasonic signals (). A difference in travel time between the first and second ultrasonic signals is calculated () in response to the selected points.