Adapters for microphones and combinations thereof

Patent metadata

Field	Value
Publication number	US-12317019-B2
Application number	US-202418610902-A
Country	US
Kind code	B2
Filing date	Mar 20, 2024
Priority date	Jun 23, 2020
Publication date	May 27, 2025
Grant date	May 27, 2025

Abstract

A microphone assembly can include a microelectromechanical systems (MEMS) form-factor adapter housing including an interface opening and an adapter housing acoustic port and a MEMS microphone disposed at least partially within the MEMS form-factor adapter housing. The MEMS microphone can include a MEMS microphone housing comprising a MEMS microphone acoustic port; a plurality of electrical interface contacts physically accessible through the interface opening of the MEMS form-factor adapter housing; a MEMS motor disposed in the MEMS microphone housing; and an integrated circuit disposed in the MEMS microphone housing and electrically coupled to the MEMS motor and to the plurality of electrical interface contacts. The MEMS form-factor adapter housing can change a form-factor of the MEMS microphone housing.

First claim

We claim:

1. A microphone assembly comprising:
a microelectromechanical systems (MEMS) form-factor adapter housing including an interface opening and an adapter housing acoustic port; and
a MEMS microphone disposed at least partially within the MEMS form-factor adapter housing, the MEMS microphone comprising:
a MEMS microphone housing comprising a MEMS microphone acoustic port;
a plurality of electrical interface contacts physically accessible through the interface opening of the MEMS form-factor adapter housing;
a MEMS motor disposed in the MEMS microphone housing; and
an integrated circuit disposed in the MEMS microphone housing and electrically coupled to the MEMS motor and to the plurality of electrical interface contacts,

wherein the MEMS form-factor adapter housing changes a form-factor of the MEMS microphone housing.

2. The microphone assembly of claim 1 ,
wherein the MEMS motor is acoustically coupled to the adapter housing acoustic port via the MEMS microphone acoustic port.

3. The microphone assembly of claim 2 , wherein the MEMS motor is acoustically coupled to the adapter housing acoustic port via a sound path between the MEMS form-factor adapter housing and the MEMS microphone housing.

4. The microphone assembly of claim 3 , wherein the MEMS form-factor adapter housing comprises an adapter housing cover covering a portion of the MEMS microphone housing, a gap between the adapter housing cover and the portion of the MEMS microphone housing providing at least a portion of the sound path.

5. The microphone assembly of claim 1 , wherein the MEMS microphone housing comprises:
a base comprising the MEMS microphone acoustic port; and
a MEMS microphone housing cover mounted on the base.

6. The microphone assembly of claim 5 ,
wherein the base comprises:
a first base side facing an interior of the MEMS microphone housing; and
a second base side opposite the first base side,

wherein the plurality of electrical interface contacts are disposed on the second base side and are coupled to the integrated circuit via electrical traces.

7. The microphone assembly of claim 6 ,
wherein the MEMS motor is disposed in the MEMS microphone housing on the first base side, and
wherein the integrated circuit is disposed in the MEMS microphone housing on the first base side.

8. The microphone assembly of claim 1 , further comprising an interface adapter located at the interface opening of the MEMS form-factor adapter housing and comprising a plurality of host device interface contacts each coupled to a corresponding electrical interface contact of the MEMS microphone.

9. The microphone assembly of claim 8 , wherein
the plurality of host device interface contacts of the interface adapter perform the same electrical functions as the plurality of electrical interface contacts of the MEMS microphone, and
a spatial arrangement of the electrical functions of the plurality of electrical interface contacts is different than a spatial arrangement of the electrical functions of the plurality of host device interface contacts.

10. The microphone assembly of claim 8 , wherein
the plurality of host device interface contacts of the interface adapter perform the same electrical functions as the plurality of electrical interface contacts of the MEMS microphone, and
a sequential arrangement of the electrical functions of the plurality of electrical interface contacts is different than a spatial arrangement of the electrical functions of the plurality of host device interface contacts.

11. The microphone assembly of claim 8 , wherein the interface adapter comprises a flex circuit or a printed circuit board.

12. A microphone assembly comprising:
a microelectromechanical systems (MEMS) form-factor adapter housing including an interface opening and an adapter housing acoustic port; and
a MEMS microphone disposed at least partially within the MEMS form-factor adapter housing, the MEMS microphone comprising:
a MEMS microphone housing including a MEMS microphone acoustic port;
a plurality of electrical contacts directly exposed to an exterior of the MEMS form-factor adapter housing through the interface opening of the MEMS form-factor adapter housing;
a MEMS motor disposed in the MEMS microphone housing and acoustically coupled to the adapter housing acoustic port via the MEMS microphone acoustic port; and
an integrated circuit disposed in the MEMS microphone housing and electrically coupled to the MEMS motor and to the plurality of electrical contacts,

wherein the MEMS form-factor adapter housing changes a form-factor of the MEMS microphone housing.

13. The microphone assembly of claim 12 , wherein the MEMS motor is acoustically coupled to the adapter housing acoustic port via a sound path between the MEMS form-factor adapter housing and the MEMS microphone housing.

14. The microphone assembly of claim 13 wherein the MEMS form-factor adapter housing comprises an adapter housing cover covering a portion of the MEMS microphone housing, a gap between the adapter housing cover and the portion of the MEMS microphone housing providing at least a portion of the sound path.

15. The microphone assembly of claim 12 , wherein the MEMS microphone housing comprises a MEMS microphone housing cover mounted on a base.

16. The microphone assembly of claim 15 ,
wherein the base includes:
a first base side facing an interior of the MEMS microphone housing; and
a second base side opposite the first base side,

wherein the plurality of electrical contacts are disposed on the second base side, and
wherein the plurality of electrical contacts are electrically coupled to the integrated circuit via electrical traces integrated with the base.

17. The microphone assembly of claim 16 ,
wherein the MEMS motor and the integrated circuit are disposed in the MEMS microphone housing on the first base side.

18. The microphone assembly of claim 12 , further comprising an interface adapter located at the interface opening of the MEMS form-factor adapter housing and comprising a plurality of host device interface contacts each coupled to a corresponding electrical contact of the MEMS microphone.

19. A microphone assembly comprising:
a microelectromechanical systems (MEMS) form-factor adapter housing including an interface opening and an adapter housing acoustic port;
a MEMS microphone disposed at least partially within the MEMS form-factor adapter housing, the MEMS microphone including:
a MEMS microphone housing having:
a MEMS microphone housing cover mounted on a base; and
a MEMS microphone acoustic port;

a MEMS microphone motor disposed in the MEMS microphone housing;
an integrated circuit disposed in the MEMS microphone housing, the integrated circuit electrically coupled to the MEMS motor; and
a plurality of electrical interface contacts disposed on the base, the plurality of electrical interface contacts electrically coupled to the integrated circuit; and

an interface adapter located at the interface opening and comprising a plurality of host device interface contacts electrically coupled to the plurality of electrical interface contacts, the plurality of host device interface contacts exposed to an exterior of the microphone assembly,
wherein the MEMS form-factor adapter housing changes a form-factor of the MEMS microphone housing.

20. The microphone assembly of claim 19 , wherein the MEMS motor is acoustically coupled to the adapter housing acoustic port via a sound path between the MEMS form-factor adapter hous

Assignees

• Knowles Electronics Llc

Inventors

• Lopresti Janice
• Kearey Steve
• Murthy Usha

Classifications

• H04R2201/003

  Mems transducers or their use · CPC title

• H04R19/04 Primary

  Microphones (H04R19/01 takes precedence) · CPC title

• H04R1/2807

  Enclosures comprising vibrating or resonating arrangements (for the reduction of undesired resonances or vibrations H04R1/2869) · CPC title

• H04R1/342

  for microphones · CPC title

• H04R1/04 Primary

  Structural association of microphone with electric circuitry therefor (in electric hearing aids H04R25/00) · CPC title