IP Library Granted Patent US 11,202,135
Granted Patent B2
US 11,202,135 · App. 16/979,228 · Granted Dec 14, 2021

Speaker assembly with front panel

Inventor: Philipp Vavron (Illertissen, DE)
Assignee: LPG LAUTSPRECHER-PRODUKTIONS-GESELLSCHAFT MBH
H04R1/023H04R7/127H04R9/06H04R2201/021H04R2499/13
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Quick Facts
Patent No.
US 11,202,135
App. No.
16/979,228
Granted
Dec 14, 2021
Kind
B2
Abstract

The invention relates to a loudspeaker unit ( 10 ), which includes a housing ( 12 ) that has a peripheral housing edge ( 14 ) and a front element ( 20 ), and a loudspeaker, which is arranged inside the housing ( 12 ), wherein the loudspeaker has an in particular dome-shaped diaphragm, which is arranged behind the front element ( 20 ). In order to improve the loudspeaker unit ( 10 ) having the loudspeaker and the housing ( 12 ), according to the invention, the front element ( 20 ) has a multiplicity of passage openings ( 26 ), and the individual passage openings ( 26 ) are formed in the manner of a labyrinth.

Claims (9)

1. A speaker assembly comprising:

an enclosure having a peripheral rim and a front panel, and

a loudspeaker inside the enclosure and having an in particular cup-shaped diaphragm behind the front panel, the front panel being formed in front of the speaker with a plurality of longitudinally extending, parallel, and transversely spaced bars having side faces forming a multiplicity of longitudinally extending passage openings of labyrinthine section, whereby a foreign object from outside must pass front-to-back through one of the passages with two direction changes to enter the enclosure.

2. The speaker assembly according to claim 1 , wherein the side faces are profiled side surface.

3. The speaker assembly according to claim 2 , wherein the bars each have their profiled side sur faces on both sides.

4. The speaker assembly according to claim 3 , wherein two adjacent bars each have a zipper-like structure on their mutually facing side sur faces.

5. The speaker assembly according to claim 2 , wherein all bars of the front panel are of identical cross section.

6. The speaker assembly according to claim 1 , wherein the loudspeaker is a dynamic moving-coil loudspeaker.

7. The speaker assembly according to claim 1 , wherein each passage is formed between a pair of the side faces of respective flanking bars, one of the side faces of each pair being formed with two transversely projecting vanes spaced apart front-to-back and the other side face of each pair projecting transversely and spacedly between the two respective vanes of the respective pair.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2026
From: LPG LAUTSPRECHER-PRODUKTIONS-GESELLSCHAFT MBH
To: PARAGON GMBH & CO.KGAA
Reel/Frame 074878/0056 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 14, 2020
From: VAVRON, PHILIPP
To: LPG LAUTSPRECHER-PRODUKTIONS-GESELLSCHAFT MBH
Reel/Frame 053758/0059 →
Priority Claims (1)
DE 202018001410.9 · Mar 16, 2018 · national
Continuity (1)
Related Publication 20200413173A1 · Dec 31, 2020
Cited By (1)
US 12,348,921