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:
Jun. 24, 2025
Filed:
Mar. 16, 2021
Sciosense B.v., Eindhoven, NL;
Stefan Kern, Waghäusel, DE;
Faik Coskunsu, Karlsruhe, DE;
Sciosense B.V., AE Eindhoven, NL;
Abstract
In an embodiment an ultrasonic flow meter includes a first transducer and a second transducer, a first impedance circuit and a second impedance circuit, each of the first and second impedance circuits having a variable impedance, a first terminal coupled to the first transducer via the first impedance circuit, a second terminal coupled to the second transducer via the second impedance circuit, a signal generator with a signal output and a signal evaluation circuit with a signal input, wherein the signal output and the signal input are coupled to the first and second terminals, and wherein the signal evaluation circuit includes a time-to-digital converter and a first comparator that couples the signal input to a first input of the time-to-digital converter, and a control circuit that is coupled to the signal generator, the signal evaluation circuit and the variable impedance.