Patent · US Active

Ultrasonic touch sensor

US11860272B2 · kind B2 · utility

2Cited by

6References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Klaus Elian · Alteglofsheim, DE
Christoph Steiner · Sankt Margarethen an der Raab, AT
Horst Theuss · Wenzenbach, DE
Matthias Eberl · Schweinhub, DE
Fabian Merbeler · Munich, DE

Key dates

Filing date	Nov 8, 2022
Grant date	Jan 2, 2024
Priority date	—
Expiry date	Nov 8, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/043
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An ultrasonic touch sensor includes: a covering having a contact face configured to receive a touch; a first ultrasonic transducer element; a first semiconductor chip comprising the first ultrasonic transducer element; a second ultrasonic transducer element; and an acoustic barrier formed between the first ultrasonic transducer element and the second ultrasonic transducer element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.