H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/70
H04R 1/00 (2006.01)
Patent
CA 1193357
Abstract of the Disclosure A direct radiating dynamic loudspeaker has an apertured impedance frontal loading element for improving its acoustic impedance. A planar sheet of non-rigid, fibrous air-permeable material has an apertured area and is positioned in front of the diaphragm of the loudspeaker. The sheet of air-permeable material is supported only at its periphery. A sheet of acoustically transparent material is bonded to the sheet of air-permeable material to cover the apertured area.
423721
Harman International Industries Incorporated
Smart & Biggar
LandOfFree
Loudspeaker having apertured acoustic impedance frontal... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Loudspeaker having apertured acoustic impedance frontal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Loudspeaker having apertured acoustic impedance frontal... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1173498