Patent · US Active

Absorptive filter

US11716112B2 · kind B2 · utility

0Cited by

9References

30Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Steve Beaudin · Ottawa, CA
Patric Heide · Vaterstetten, DE
Wai San Wong · San Diego, US
Stefan Freisleben · Neubiberg, DE
Eyal Hochdorf · Palo Alto, US

Key dates

Filing date	Nov 17, 2020
Grant date	Aug 1, 2023
Priority date	—
Expiry date	Jan 5, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH04B1/0057
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

An apparatus is disclosed with an absorptive filter. In an example aspect, an apparatus has a filter including a first filter port and a second filter port. The filter also includes a hybrid coupler, a signal combiner, a first filter unit, and a second filter unit. The hybrid coupler includes a first hybrid port, a second hybrid port, and a third hybrid port, with the first hybrid port coupled to the first filter port. The signal combiner is coupled to the second filter port. The first filter unit is coupled between the second hybrid port and the signal combiner. The second filter unit is coupled between the third hybrid port and the signal combiner.

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