IP Library › Granted Patent US 7,548,631
Granted Patent B2
US 7,548,631 · App. 10/610,383 · Granted Jun 16, 2009

Speaker surround structure for maximizing cone diameter

Assignee: Harman International Industries, Incorporated
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Quick Facts
Patent No.
US 7,548,631
App. No.
10/610,383
Granted
Jun 16, 2009
Kind
B2
Abstract

A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the loudspeaker.

Claims (20)

1. A loudspeaker comprising: a frame, having a mounting ring, the mounting ring having a rim and a thickened region where both the rim and the thickened region form part of the mounting ring, the rim having an interior edge and an exterior edge, and the thickened region having an inner wall; a diaphragm; and a surround extending between the diaphragm and the frame, where a portion of the surround is retained in an annular channel having a first wall surface formed by the interior edge of the rim, and having a second wall surface spaced from the first wall surface formed by the interior wall of the thickened region.

2. The loudspeaker of claim 1 , where a cross-section of the surround is arch shaped.

3. The loudspeaker of claim 1 , where the thickened region and the frame are molded from the same material.

4. The loudspeaker of claim 1 , further comprising a spider suspension connected between the frame and a voice coil of the loudspeaker.

5. The loudspeaker of claim 1 , where the portion of the surround retained in the annular channel extends generally directly downward.

6. The loudspeaker of claim 1 , where the portion of the surround retained in the annular channel is retained using an adhesive.

7. The loudspeaker of claim 1 , where the frame is made from either one of pressed sheet metal, plastic or cast metal.

8. The loudspeaker of claim 1 , where the loudspeaker is mounted within an opening of a vehicle.

9. A loudspeaker comprising:

a frame, having a mounting ring, the mounting ring having a rim and a landing, the rim having an interior edge and an exterior edge;

a retainer ring having an interior interface;

a diaphragm; and

a surround extending between the diaphragm and the frame, where a portion of the surround is retained in an annular channel having a first wall surface formed by the interior edge of the rim, and having a second wall surface spaced from the first wall surface formed by the interior interface of the retainer ring.

10. The loudspeaker of claim 9 , where the retainer ring is adhesively fastened to the landing of the frame.

11. The loudspeaker of claim 9 , where the portion of the surround is adhesively fastened to the interior edge of the rim and to the interior interface of the retainer ring.

12. The loudspeaker of claim 9 , further comprising a spider suspension connected between the frame and a voice coil of the loudspeaker.

13. The loudspeaker of claim 9 , where the portion of the surround retained in the annular channel extends generally directly downward.

14. The loudspeaker of claim 9 , where the portion of the surround retained in the annular channel is retained using an adhesive.

15. The loudspeaker of claim 9 , where the frame is made from either one of pressed sheet metal, plastic or cast metal.

16. The loudspeaker of claim 9 , where the loudspeaker is mounted within an opening of a vehicle.

Assignments (5)
RELEASE Recorded Nov 14, 2012
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED; HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
Reel/Frame 029294/0254 →
SECURITY AGREEMENT Recorded Feb 17, 2011
From: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED; HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 025823/0354 →
RELEASE Recorded Feb 15, 2011
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED; HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
Reel/Frame 025795/0143 →
SECURITY AGREEMENT Recorded May 8, 2009
From: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED; BECKER SERVICE-UND VERWALTUNG GMBH; CROWN AUDIO, INC.; HARMAN BECKER AUTOMOTIVE SYSTEMS (MICHIGAN), INC.; HARMAN BECKER AUTOMOTIVE SYSTEMS HOLDING GMBH; HARMAN BECKER AUTOMOTIVE SYSTEMS, INC.; HARMAN CONSUMER GROUP, INC.; HARMAN DEUTSCHLAND GMBH; HARMAN FINANCIAL GROUP LLC; HARMAN HOLDING GMBH & CO. KG; HARMAN MUSIC GROUP, INCORPORATED; HARMAN SOFTWARE TECHNOLOGY INTERNATIONAL BETEILIGUNGS GMBH; HARMAN SOFTWARE TECHNOLOGY MANAGEMENT GMBH; HBAS INTERNATIONAL GMBH; HBAS MANUFACTURING, INC.; INNOVATIVE SYSTEMS GMBH NAVIGATION-MULTIMEDIA; JBL INCORPORATED; LEXICON, INCORPORATED; MARGI SYSTEMS, INC.; QNX SOFTWARE SYSTEMS (WAVEMAKERS), INC.; QNX SOFTWARE SYSTEMS CANADA CORPORATION; QNX SOFTWARE SYSTEMS CO.; QNX SOFTWARE SYSTEMS GMBH; QNX SOFTWARE SYSTEMS GMBH & CO. KG; QNX SOFTWARE SYSTEMS INTERNATIONAL CORPORATION; QNX SOFTWARE SYSTEMS, INC.; XS EMBEDDED GMBH (F/K/A HARMAN BECKER MEDIA DRIVE TECHNOLOGY GMBH)
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 022659/0743 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2003
From: ESPIRITU, RONNIE S.
To: HARMAN INTERNATIONAL INDUSTRIES INCORPORATED
Reel/Frame 014231/0258 →
Continuity (1)
Related Publication 20040086143A1 · May 6, 2004