Strap arm of head-mounted display with integrated audio port
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04R-001/02
H04R-001/28
출원번호
US-0680086
(2017-08-17)
등록번호
US-10194225
(2019-01-29)
발명자
/ 주소
Bristol, Peter Wesley
Dallmeyer, Scott Andrew
Morris, Quintin
Devoe, Matthew James
Tao, David
출원인 / 주소
Facebook Technologies, LLC
대리인 / 주소
Fenwick & West LLP
인용정보
피인용 횟수 :
0인용 특허 :
15
초록▼
A head-mounted display (HMD) includes a strap arm that transmits audio. The HMD includes a front rigid body and a strap arm. The strap arm includes a body portion defining a boss having an aperture that rotatably connects the strap arm to the front rigid body. The body portion defines an audio passa
A head-mounted display (HMD) includes a strap arm that transmits audio. The HMD includes a front rigid body and a strap arm. The strap arm includes a body portion defining a boss having an aperture that rotatably connects the strap arm to the front rigid body. The body portion defines an audio passage to transmit sound and an audio port to output the sound. The audio passage is defined along the body portion between the aperture of the boss and the audio port. A speaker is positioned, such as within the aperture, to emit the sound through the audio passage and to the audio port. The strap arm can further include a back volume unit that enhances the sound transmitted through the audio passage.
대표청구항▼
1. A head-mounted display (HMD), comprising: a front rigid body;a strap arm attached to a strap that secures the front rigid body to a user's head, the strap arm including:a body portion defining a boss at a side of the body portion, the boss having an aperture, the boss rotatably connecting the str
1. A head-mounted display (HMD), comprising: a front rigid body;a strap arm attached to a strap that secures the front rigid body to a user's head, the strap arm including:a body portion defining a boss at a side of the body portion, the boss having an aperture, the boss rotatably connecting the strap arm to the front rigid body, the body portion further defining an audio passage to transmit sound from the aperture and an audio port to output the sound, the audio passage being defined along the body portion between the aperture of the boss and the audio port; anda speaker positioned to emit the sound through the audio passage and to the audio port. 2. The HMD of claim 1, wherein the strap arm further includes a back volume unit including: an enclosure portion; anda cylindrical column inserted through the aperture of the boss, the cylindrical column defining a second aperture, the speaker being positioned within the second aperture with a back side of the speaker facing an interior surface of the enclosure portion to define a back volume between the interior surface and the back side of the speaker for enhancing the sound emitted from the speaker, at least a portion of the sound from the speaker being transmitted from the back volume through the audio passage. 3. The HMD of claim 2, wherein the speaker is positioned within the aperture of the boss of the body portion and the front side of the speaker faces toward the audio passage. 4. The HMD of claim 2, wherein: the boss extends through a second aperture of the front rigid body to rotatably connect the strap arm to the front rigid body; andthe enclosure portion is positioned on a first side of the second aperture within the front rigid body and the body portion of the strap arm is positioned on a second side of the second aperture exterior to the front rigid body. 5. The HMD of claim 1, wherein the strap arm further includes: a rear loop at one end of the body portion; anda front loop at the other end of the body portion, the rear loop and the front loop receiving the strap. 6. The HMD of claim 5, wherein the body portion includes a support surface facing the strap inserted through the front loop and the rear loop. 7. The HMD of claim 5, wherein the audio port is formed on the side of the body portion including the boss and at a location closer to the rear loop than the front loop. 8. The HMD of claim 1, wherein the body portion includes: a base portion; anda cover portion secured to the base portion, the audio passage being defined between the base portion and the cover portion. 9. The HMD of claim 1, wherein the body portion further defines: a second audio passage; anda center rib separating the audio passage and the second audio passage. 10. The HMD of claim 1, wherein the front rigid body defines a second aperture to receive a center bridge of the strap. 11. A strap arm for a head-mounted display (HMD), comprising: a body portion defining a boss at a side of the body portion, the boss having an aperture, the boss rotatably connecting the strap arm to a front rigid body of the HMD, the body portion further defining an audio passage to transmit sound from the aperture and an audio port to output the sound, the audio passage being defined along the body portion between the aperture of the boss and the audio port; anda speaker positioned to emit the sound through the audio passage and to the audio port. 12. The strap arm of claim 11, further comprising a back volume unit including: an enclosure portion; anda cylindrical column inserted through the aperture of the boss, the cylindrical column defining a second aperture, the speaker being positioned within the second aperture with a back side of the speaker facing an interior surface of the enclosure portion to define a back volume between the interior surface and the back side of the speaker for enhancing the emitted from by the speaker, at least a portion of the sound from the speaker being transmitted from the back volume through the audio passage. 13. The strap arm of claim 12, wherein the speaker is positioned within the aperture of the boss of the body portion and the front side of the speaker faces toward the audio passage. 14. The strap arm of claim 12, wherein: the boss extends through a second aperture of the front rigid body to rotatably connect the strap arm to the front rigid body; andthe enclosure portion is positioned on a first side of the second aperture within the front rigid body and the body portion of the strap arm is positioned on a second side of the second aperture exterior to the front rigid body. 15. The strap arm of claim 11, further including: a rear loop at one end of the body portion; anda front loop at the other end of the body portion, the rear loop and the front loop receiving the strap. 16. The strap arm of claim 15, wherein the body portion includes a support surface facing the strap inserted through the front loop and the rear loop. 17. The strap arm of claim 15, wherein the audio port is formed on the side of the body portion including the boss and at a location closer to the rear loop than the front loop. 18. The strap arm of claim 11, wherein the body portion includes: a base portion; anda cover portion secured to the base portion, the audio passage being defined between the base portion and the cover portion. 19. The strap arm of claim 11, wherein the body portion further defines: a second audio passage; anda center rib separating the audio passage and the second audio passage. 20. A head-mounted display (HMD), comprising: a housing; anda strap arm attached to a strap that secures the housing to a user's head, the strap arm including a body portion defining a boss at a side of the body portion, the boss having an aperture, the boss rotatably connecting the strap arm to the housing, the body portion further defining an audio passage to transmit sound from the aperture and an audio port to output the sound, the audio passage being defined along the body portion between the aperture of the boss and the audio port.
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