Patent · US Active

Vehicle with sound wave reflector

US9180822B2 · kind B2 · utility

0Cited by

15References

23Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Andreas Silzle · Buckenhof, DE
Ulrik Heise · Wien, AT
Stefan Varga · Cologne, DE
Matthias Lang · Berching, DE
Oliver Hellmuth · Erlangen, DE

Key dates

Filing date	Jan 30, 2013
Grant date	Nov 10, 2015
Priority date	—
Expiry date	Aug 27, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/13
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Embodiments disclose a vehicle which has a vehicle ceiling having a first sound wave reflection portion having a first sound wave reflection characteristic and a second portion having a second sound wave reflection characteristic, wherein the first sound wave reflection portion is more sound wave reflecting than the second sound wave reflection portion and at least one speaker arranged in the vehicle, so that a main sound emission direction is directed to the first sound wave reflection portion, so that a sound wave emitted by the speaker and reflected by the first sound wave reflection portion is perceptible as a diffuse sound by a person in the vehicle.

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