Transducer Assembly

• US 20180227689A1
• Filed: 04/09/2018
• Published: 08/09/2018
• Est. Priority Date: 02/22/2016
• Status: Active Grant

• Current Assignee: Sonos, Inc.
• Original Assignee: Sonos, Inc.
• Inventors: Little, Richard Warren, Liu, Daniel, Pierce, Derrick, Latham-Brown, Ernie
• Granted Patent: US 10,560,793 B2
• Time in Patent Office: Days
• CPC Class Codes: H04R 1/06 Arranging circuit leads; Relieving strain on circuit leads
• CPC Class Codes: H04R 31/006 Interconnection of transducer parts of diaphragm and outer suspension by moulding H04R31/003
• CPC Class Codes: H04R 9/06 Loudspeakers

Abstract

A diaphragm for a loudspeaker may include a conductive coupler, a voice coil having a voice coil lead, where the voice coil lead is positioned in conductive contact with the conductive coupler, and a terminal lead, where the terminal lead is positioned in conductive contact with the conductive coupler, and where the voice coil lead and the terminal lead are attached to the conductive coupler.

Claims

1. A method of assembling a loudspeaker comprising:

attaching a conductive coupler to the loudspeaker;

positioning a voice coil lead of the loudspeaker in conductive contact with the conductive coupler;

positioning a terminal lead of the loudspeaker in conductive contact with the conductive coupler; and

while the voice coil lead and the terminal lead are in conductive contact with the conductive coupler, attaching the voice coil lead and the terminal lead to the conductive coupler.

2. The method of claim 1, wherein the conductive coupler comprises a mechanical clip, and wherein attaching the voice coil lead and the terminal lead to the conductive coupler comprises engaging the clip against the voice coil lead and the terminal lead.

3. The method of claim 2, wherein attaching the voice coil lead and the terminal lead to the conductive coupler further comprises applying solder to the voice coil lead, terminal lead, and conductive coupler.

4. The method of claim 1, wherein the conductive coupler comprises a solder pad, and wherein attaching the voice coil lead and the terminal lead to the conductive coupler comprises melting solder to the voice coil lead, terminal lead, and solder pad.

5. The method of claim 1, wherein the conductive coupler is attached to the loudspeaker before positioning either the voice coil lead or the terminal lead in conductive contact with the conductive coupler.

6. The method of claim 1, wherein the loudspeaker further comprises a frame, a circular diaphragm, and a suspension element attached between the frame and the circular diaphragm, and wherein attaching the conductive coupler to the loudspeaker comprises attaching the conductive coupler to an inner diameter of the suspension element.

7. The method of claim 6, further comprising:

forming a gap in the suspension element at an outer diameter of the suspension element, wherein the conductive coupler is attached to the suspension element in radial alignment with the gap, and

positioning the terminal lead in the gap.

8. A loudspeaker comprising:

a conductive coupler;

a voice coil having a voice coil lead, wherein the voice coil lead is positioned in conductive contact with the conductive coupler; and

a terminal lead, wherein the terminal lead is positioned in conductive contact with the conductive coupler, and wherein the voice coil lead and the terminal lead are attached to the conductive coupler.

9. The loudspeaker of claim 8, wherein the conductive coupler comprises a mechanical clip, and wherein the voice coil lead and the terminal lead are attached to the conductive coupler via engagement of the mechanical clip.

10. The loudspeaker of claim 8, wherein the conductive coupler comprises a solder pad, and wherein the voice coil lead and the terminal lead are attached to the solder pad via a solder joint.

11. The loudspeaker of claim 8, wherein the loudspeaker further comprises:

a circular diaphragm coupled to the voice coil, wherein the conductive coupler is attached to a bottom surface of the circular diaphragm.

12. The loudspeaker of claim 8, wherein the loudspeaker further comprises:

a frame;

a circular diaphragm coupled to the voice coil; and

a suspension element attached between the frame and the circular diaphragm, and wherein the conductive coupler is attached to an inner diameter of the suspension element.

13. The loudspeaker of claim 12, wherein the suspension element comprises a gap at an outer diameter of the suspension element, wherein the conductive coupler is attached to the suspension element in radial alignment with the gap, and wherein the terminal lead is positioned in the gap.

14. A loudspeaker comprising:

a frame;

a voice coil suspended at least partially within a gap of a magnetic structure, wherein the magnetic structure is attached to the frame, and wherein the voice coil comprises a voice coil lead extending from the voice coil;

a diaphragm coupled to the voice coil;

a first suspension element attached circumferentially to an outer edge of the diaphragm, wherein the first suspension element is further attached to the frame;

a second suspension element attached circumferentially to a lower surface of the diaphragm, wherein the second suspension element is further attached to the frame;

a conductive coupler; and

a terminal lead, wherein the terminal lead and the voice coil lead are positioned in conductive contact with the conductive coupler, and wherein the voice coil lead and the terminal lead are attached to the conductive coupler.

15. The loudspeaker of claim 14, wherein the terminal lead is further attached to a lower surface of the second suspension element at a connection point, wherein a length of the terminal lead extending between the connection point and the conductive coupler is greater than a distance between the connection point and the conductive coupler.

16. The loudspeaker of claim 14, wherein the conductive coupler comprises a mechanical clip, and wherein the voice coil lead and the terminal lead are attached to the conductive coupler via engagement of the mechanical clip.

17. The loudspeaker of claim 15, wherein the conductive coupler comprises a solder pad, and wherein the voice coil lead and the terminal lead are attached to the solder pad via a solder joint.

18. The loudspeaker of claim 15, wherein the conductive coupler is attached to the lower surface of the diaphragm.

19. The loudspeaker of claim 15, wherein the conductive coupler is attached to an inner diameter of the second suspension element.

20. The loudspeaker of claim 19, wherein the second suspension element comprises a gap at an outer diameter of the second suspension element, wherein the conductive coupler is attached to the second suspension element in radial alignment with the gap, and wherein the terminal lead is positioned in the gap.