Conformable adaptors for diffraction slots in speakers

Patent metadata

Field	Value
Publication number	US-9712911-B2
Application number	US-201514978874-A
Country	US
Kind code	B2
Filing date	Dec 22, 2015
Priority date	Dec 22, 2015
Publication date	Jul 18, 2017
Grant date	Jul 18, 2017

Abstract

The technology described in the document can be embodied in a speaker that includes one or more drivers, and an acoustic horn that includes a first side panel and a second side panel. Edges of the first and second side panels defines an opening for receiving acoustic outputs from one or more drivers. The speaker also includes a manifold disposed between the opening and the one or more drivers, the manifold including a plurality of acoustic passages for connecting the opening to each of the one or more drivers, and an adaptor. The adaptor is disposed between the manifold and the acoustic horn, and includes multiple apertures for the plurality of acoustic passages. The adaptor is configured to conform to a profile of the opening while maintaining a seal between the acoustic horn and the plurality of acoustic passages.

First claim

What is claimed is:

1. A speaker comprising:
one or more drivers;
an acoustic horn that includes a first side panel and a second side panel, edges of the first and second side panels defining an opening for receiving acoustic outputs from one or more drivers;
a manifold disposed between the opening and the one or more drivers, the manifold including a plurality of acoustic passages for connecting the opening to each of the one or more drivers; and
an adaptor disposed between the manifold and the acoustic horn, the adaptor including multiple apertures for the plurality of acoustic passages,
wherein the adaptor is configured to conform to a profile of the opening while maintaining a seal between the acoustic horn and the plurality of acoustic passages, and comprises at least one bending portion, wherein the at least one bending portion is configured to facilitate bending of the adaptor to conform to the profile of the opening.

2. The speaker of claim 1 , wherein the adaptor is constructed of a semi-flexible material.

3. The speaker of claim 1 , wherein the adaptor is constructed of acrylonitrile butadiene styrene (ABS).

4. The speaker of claim 1 , wherein the at least one bending portion comprises one or more channels.

5. The speaker of claim 1 , wherein the at least one bending portion comprises one or more hinges.

6. The speaker of claim 1 , wherein the adaptor comprises one or more separators disposed proximate to the multiple apertures, the separators configured to maintain separations between the acoustic passages of the manifold.

7. The speaker of claim 1 , wherein the adaptor comprises fastener receptacles for attaching to the manifold.

8. The speaker of claim 1 , wherein the one or more drivers include a compression driver.

9. The speaker of claim 1 , wherein the profile of the opening includes a convex curvature extending outward from the speaker.

10. The speaker of claim 1 , wherein the seal defines an acoustic volume for another set of one or more drivers.

11. An adaptor for coupling a plurality of drivers to an acoustic horn, the adaptor comprising:
a plurality of mating plates connected in series, wherein each of the plurality of mating plates is configured to couple with a corresponding one of the drivers, and includes:
an aperture for providing an acoustic pathway between the corresponding one of the compression drivers and the acoustic horn, and
one or more sidewalls configured to attach the adaptor to the acoustic horn in a sealing configuration; and
a plurality of movable joints each disposed between adjoining mating plates connected in the series, the plurality of movable joints configured to facilitate a conformation of the adaptor to an interface curvature between the adaptor and the acoustic horn.

12. The adaptor of claim 11 , wherein the plurality of mating plates is constructed of a semi-flexible material.

13. The adaptor of claim 11 , wherein the plurality of mating plates is constructed of acrylonitrile butadiene styrene (ABS).

14. The adaptor of claim 11 , wherein one or more of the plurality of moving joints comprise a channel.

15. The adaptor of claim 11 , wherein one or more of the plurality of moving joints comprise a hinge.

16. The adaptor of claim 11 , further comprising one or more separators disposed proximate to the aperture, the one or more separators configured to maintain separations between acoustic passages corresponding to different compression drivers.

17. The adaptor of claim 16 , wherein one or more of the plurality of mating plates comprise fastener receptacles for attaching to corresponding acoustic passages associated with the compression drivers.

18. The adaptor of claim 11 , wherein the plurality of mating plates is constructed of a substantially rigid material, and the movable joints are constructed of a substantially flexible material.

19. A speaker comprising:
an acoustic horn comprising two or more panels arranged in accordance with a target radiation pattern for radiating acoustic waves produced by one or more drivers;
a manifold disposed between the acoustic horn and the one or more drivers, the manifold including a plurality of acoustic passages for guiding the acoustic waves from the one or more drivers to a diffraction slot; and
an adaptor disposed between the diffraction slot and the acoustic horn,
wherein the adaptor is configured to conform to a curvature associated with the diffraction slot while maintaining a seal between the acoustic horn and the plurality of acoustic passages, and comprises at least one bending portion, wherein the at least one bending portion is configured to facilitate bending of the adaptor to conform to the curvature associated with the diffraction slot.

20. The speaker of claim 19 , wherein the adaptor is constructed of a semi-flexible material.

21. The speaker of claim 19 , wherein the adaptor is constructed of acrylonitrile butadiene styrene (ABS).

22. The speaker of claim 19 , wherein the at least one bending portion comprises one or more channels.

23. The speaker of claim 19 , wherein the at least one bending portion comprises one or more hinges.

24. The speaker of claim 19 , wherein the adaptor comprises fastener receptacles for attaching to the manifold.

Assignees

• Bose Corp

Inventors

• Lippitt Benjamin
• Zastoupil Greg
• Kowalczyk Rebecca
• Brousseau Kevin

Classifications

• H04R9/06

  Loudspeakers · CPC title

• H04R1/2803 Primary

  for loudspeaker transducers · CPC title

• H04R1/30 Primary

  Combinations of transducers with horns, e.g. with mechanical matching means {, i.e. front-loaded horns}(horns in general G10K; {transducer enclosures or mountings using a back-loaded horn H04R1/2861; application of horns as guiding means to obtain a predetermined directivity characteristic H04R1/345}) · CPC title

• H04R2400/13

  Use or details of compression drivers · CPC title

• G10K11/025

  horns for impedance matching (see provisionally also G10K11/28) · CPC title