US 12,330,566 B2
Pressure control in externally ducted loudspeakers
Simon Bender, Kornwestheim (DE); Stephan Bayer, Leonberg (DE); Shiufun Cheung, Lexington, MA (US); and Lorenz Kulf, Münsingen (DE)
Assigned to Dr. Ing. h.c. F. Porsche Aktiengesellschaft, (DE); and Bose Corporation, Framingham, MA (US)
Filed by Dr. Ing. h.c. F. Porsche Aktiengesellschaft, Stuttgart (DE); and Bose Corporation, Framingham, MA (US)
Filed on Nov. 16, 2022, as Appl. No. 17/988,300.
Application 17/988,300 is a continuation in part of application No. 17/831,720, filed on Jun. 3, 2022, granted, now 11,661,016.
Application 17/831,720 is a continuation of application No. 16/532,927, filed on Aug. 6, 2019, granted, now 11,377,041, issued on Jul. 5, 2022.
Prior Publication US 2023/0082045 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B60R 11/02 (2006.01); H04R 1/02 (2006.01); H04R 9/06 (2006.01)
CPC B60R 11/0217 (2013.01) [H04R 1/025 (2013.01); H04R 1/026 (2013.01); H04R 9/06 (2013.01); H04R 2499/13 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A vehicle audio system, comprising:
a loudspeaker configured to be acoustically coupled to an interior of a vehicle and to be ducted to an exterior of the vehicle; and
a controller coupled to the loudspeaker and configured to (i) detect one or more vehicle operating parameters of the vehicle that would result in a pressure differential condition between the interior and the exterior, and (ii) in response to detecting the vehicle operating parameters, either applying a gain to an audio signal provided to the loudspeaker or adjusting the gain applied to the audio signal.