Patent · US Active

Acoustically coupled resonator notch and bandpass filters

US11057018B2 · kind B2 · utility

0Cited by

15References

18Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Hans-Joerg Timme · Ottobrunn, DE
Ruediger Bauder · Feldkirchen-Westerham, DE
Andreas Bogner · Munich, DE

Key dates

Filing date	Dec 5, 2018
Grant date	Jul 6, 2021
Priority date	—
Expiry date	Dec 5, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10N30/853
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A notch filter includes a first inductor coupled between an input node and an output node, a dual-resonator structure coupled between the input node and the output node, and a second inductor coupled between the dual-resonator structure and ground, and a bandpass filter includes a capacitor coupled between an input node and an output node, and a dual-resonator structure coupled between the input node, the output node, and ground.

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