# US 10,484,770 B1 · Display device with transverse planar microphone arrays

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- Number: US 10,484,770 B1
- Document ID: US10484770B1
- Status: Granted
- Kind: B1
- Application number: 16/018,989
- Filed: 2018-06-26
- Granted: 2019-11-19
- Earliest claimed: 2018-06-26
- Assignees: Amazon Technologies, Inc.
- Applicants: Amazon Technologies, Inc.
- Inventors: Anurupa Rao; Paul Drucker; Subum Park; Jiger Patel; Sanditi Khandelwal; Amita Pawar; Kei Yamamoto; Wentao Cheng
- Web page: https://patentgrep.com/patent/US10484770B1

## CPC

- G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)}
- H04R 1/04: Structural association of microphone with electric circuitry therefor (in electric hearing aids H04R25/00)
- G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)}
- G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)}
- G06F 1/1658: {related to the mounting of internal components, e.g. disc drive or any other functional module}
- G06F 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675}
- G06F 1/1688: {the I/O peripheral being integrated loudspeakers}
- G06F 3/167: {Audio in a user interface, e.g. using voice commands for navigating, audio feedback}
- H04R 1/025: {Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture}
- H04R 1/406: {microphones}
- H04R 5/027: Spatial or constructional arrangements of microphones, e.g. in dummy heads
- G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- H04R 2499/15: Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K)

## Abstract

Systems, methods, and computer-readable media are disclosed for display devices with transverse planar microphone arrays. In one embodiment, an example device may include a frame component having a first portion and a second portion transverse to the first portion, the first portion having a first surface and a second surface. The device may include a first hole extending through the second portion, a first microphone array coupled to the second portion, the first microphone array having a first microphone aligned with the first hole, and a display assembly coupled to the first surface. The device may include a second hole extending through the display assembly and the first portion, and a second microphone array coupled to the second surface, the second microphone array having a second microphone aligned with the second hole.

## Claims

### Claim 1

A voice-activated display device comprising:
a plastic frame component comprising a first portion and a second portion extending substantially perpendicularly from the first portion, wherein the first portion comprises a front surface and a rear surface, and the second portion comprises an upper surface and a lower surface;
a set of buttons positioned at the second portion of the plastic frame component, wherein the set of buttons are accessible through the upper surface;
a first set of microphone holes extending through the second portion;
a first microphone board adhered to the lower surface of the second portion, the first microphone board comprising a first microphone array having microphones aligned with the first set of microphone holes, wherein the first microphone board supports the set of buttons;
a display assembly coupled to the front surface of the first portion, the display assembly comprising a cover glass laminated to a display component;
a second set of microphone holes extending through the display assembly and the plastic frame component;
a second microphone board adhered to the rear surface of the first portion, the second microphone board comprising a second microphone array having microphones aligned with the second set of microphone holes, wherein the second microphone board is positioned at a first plane that is substantially parallel to a second plane at which the display assembly is positioned;
a third set of microphone holes extending through the display assembly and the plastic frame component; and
a third microphone board adhered to the rear surface of the first portion adjacent to the second microphone board, the third microphone board comprising a third microphone array having microphones aligned with the third set of microphone holes, wherein the third microphone board is positioned at the first plane.

### Claim 2 (depends on 1)

The voice-activated display device of claim 1, further comprising:
a main printed circuit board;
a first grounding clip coupled to the first microphone board and to the main printed circuit board;
a second grounding clip coupled to the second microphone board and to the main printed circuit board;
a third grounding clip coupled to the third microphone board and to the main printed circuit board; and
a microphone board support component attached to the rear surface, wherein the microphone board support component and the plastic frame together: compress the first grounding clip against the first microphone board, compress the second grounding clip against the second microphone board, and compress the third grounding clip against the third microphone board.

### Claim 3 (depends on 1)

The voice-activated display device of claim 1, further comprising:
a receptacle configured to receive a power connector, the receptacle comprising:
a primary ground component configured to deform when the power connector is disposed in the receptacle, the primary ground component comprising:
a first portion;
a second portion substantially parallel to the first portion;
a third portion that connects the first portion to the second portion,
wherein the third portion is substantially perpendicular to the first portion and to the second portion;
a secondary ground component disposed along an entrance to the receptacle; and
a sense line in electrical communication with the second portion of the primary ground component.

### Claim 4

A device comprising:
a frame component comprising a first portion and a second portion transverse to the first portion, the first portion comprising a first surface and a second surface;
a first hole extending through the second portion;
a first microphone array coupled to the second portion, the first microphone array comprising a first microphone aligned with the first hole;
a display assembly coupled to the first surface;
a second hole extending through the display assembly and the first portion, wherein the first hole comprises a first depth that is less than a second depth of the second hole;
a second microphone array coupled to the second surface, the second microphone array comprising a second microphone aligned with the second hole;
a third hole extending through the display assembly and the first portion; and
a third microphone array coupled to the second surface, the third microphone array comprising a third microphone aligned with the third hole;
wherein the third microphone array is separated from and coplanar with the second microphone array, and wherein the second microphone array and the third microphone array are disposed along a lateral axis of the frame component.

### Claim 5 (depends on 4)

The device of claim 4, further comprising:
a first grounding component coupled to the first microphone array;
a second grounding component coupled to the second microphone array;
a support component coupled to the second surface, wherein the first grounding component is disposed between the support component and the second portion, and the second grounding component is disposed between the support component and the first portion, wherein the first grounding component is coupled to the first microphone array only by the support component.

### Claim 6 (depends on 4)

The device of claim 4, further comprising:
a metal corner support molded into the frame component at the second surface;
wherein:
the first portion is substantially perpendicular to the second portion;
the second portion extends from the first portion and about a perimeter of the frame component, thereby partially forming a recessed portion of the frame component;
the display assembly comprises a cover glass coupled to a touchscreen panel; and
a first width of the cover glass is less than a second width of the first portion.

### Claim 7 (depends on 4)

The device of claim 4, wherein the first microphone array is disposed on a first microphone board, the device further comprising:
a set of buttons disposed between the first microphone board and a lower surface of the second portion, wherein the set of buttons are accessible through respective holes in the second portion, the set of buttons comprising a resin material having a translucency of equal to or greater than 10% and less than or equal to 15%.

### Claim 8 (depends on 4)

The device of claim 4, further comprising:
a receptacle configured to receive a power connector, the receptacle comprising:
a primary ground component configured to deform when the power connector is disposed in the receptacle;
a secondary ground component disposed along an entrance to the receptacle; and
a sense line in electrical communication with the primary ground component.

### Claim 9 (depends on 8)

The device of claim 8, wherein the primary ground component comprises:
a first portion;
a second portion substantially parallel to the first portion and coupled to the sense line;
a third portion that connects the first portion to the second portion, wherein the third portion is substantially perpendicular to the first portion and to the second portion.

### Claim 10 (depends on 4)

The device of claim 4, further comprising:
a speaker box coupled to the frame component, the speaker box comprising a passive radiator and a speaker assembly disposed within the speaker box;
a fabric cover disposed about the speaker box, the fabric cover comprising a knit yarn material having a dip-in oil repellant on an outer surface of the fabric cover.

### Claim 11 (depends on 4)

The device of claim 4, wherein the display assembly is disposed in a first plane, and wherein the second microphone array is positioned on a microphone board that is disposed in a second plane that is parallel to the first plane.

### Claim 12

A device comprising:
a frame component comprising a front wall and a top wall transverse to the front wall, the front wall comprising a front surface and a rear surface;
a first hole extending through the front wall;
a first microphone array coupled to the rear surface, the first microphone array comprising a first microphone aligned with the first hole;
a second hole extending through the top wall;
a second microphone array coupled to the top wall, the second microphone array comprising a second microphone aligned with the second hole;
a microphone board support component coupled to the rear surface; and
a receptacle configured to receive a power connector, the receptacle comprising:
a primary ground component configured to deform when the power connector is disposed in the receptacle;
a secondary ground component disposed along an entrance to the receptacle; and
a sense line in electrical communication with the primary ground component.

### Claim 13 (depends on 12)

The device of claim 12, further comprising:
a display assembly coupled to the front surface;
wherein the microphone board support component is in contact with the first microphone array and the second microphone array.

### Claim 14 (depends on 13)

The device of claim 13, further comprising:
wherein the display assembly is disposed in a first plane, and wherein the second microphone array is positioned on a microphone board that is disposed in a second plane that is parallel to the first plane.

### Claim 15 (depends on 12)

The device of claim 12, wherein the microphone board support component is not coupled to the top wall.

### Claim 16 (depends on 12)

The device of claim 12, further comprising:
a first grounding component coupled to the first microphone array; and
a second grounding component coupled to the second microphone array;
wherein the first grounding component is disposed between the microphone board support component and the first microphone array, and the second grounding component is disposed between the microphone board support component and the second microphone array.

### Claim 17 (depends on 12)

The device of claim 12, further comprising:
a third hole extending through the display assembly and the front wall; and
a third microphone array coupled to the rear surface, the third microphone array comprising a third microphone aligned with the third hole;
wherein the third microphone array is separated from and coplanar with the second microphone array, and wherein the second microphone array and the third microphone array are disposed along a lateral axis of the frame component.

### Claim 18 (depends on 12)

The device of claim 12, further comprising:
a speaker box coupled to the frame component, the speaker box comprising a passive radiator and a speaker assembly disposed within the speaker box;
a fabric cover disposed about the speaker box, the fabric cover comprising a knit yarn material having a dip-in oil repellant on an outer surface of the fabric cover.

### Claim 19 (depends on 12)

The device of claim 12, further comprising:
a set of buttons comprising a resin material having a translucency of equal to or greater than 10% and less than or equal to 15%.

### Claim 20 (depends on 12)

The device of claim 12, wherein the primary ground component comprises:
a first portion;
a third portion substantially parallel to the first portion and coupled to the sense line;
a second portion that connects the first portion to the third portion, wherein the second portion is substantially perpendicular to the first portion and to the third portion.