Patent · US Active

Externally coupled loudspeaker system for a vehicle

US10235985B2 · kind B2 · utility

5Cited by

0References

16Claims

0Family size

Assignee

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH · DE

Inventors

Markus Christoph · Straubing, DE
Andreas Pfeffer · Wenzenbach, DE

Key dates

Filing date	Dec 23, 2016
Grant date	Mar 19, 2019
Priority date	—
Expiry date	Apr 4, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/13
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A loudspeaker system is provided that includes a loudspeaker that is arranged in a baffle between a passenger compartment of a vehicle and the outside of the passenger compartment. The loudspeaker is configured to radiate an acoustical signal to the passenger compartment. The loudspeaker system further includes active noise control system wherein a microphone is acoustically coupled to the loudspeaker via a secondary path, and the loudspeaker is electrically coupled to the microphone via an active noise control filter.

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