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1. (WO2018164758) STRAP ARM HEAD-MOUNTED DISPLAY WITH INTEGRATED AUDIO PORT

Pub. No.:    WO/2018/164758    International Application No.:    PCT/US2017/068817
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Fri Dec 29 00:59:59 CET 2017
IPC: G02B 27/01
H04R 1/28
Applicants: FACEBOOK TECHNOLOGIES, LLC
Inventors: BRISTOL, Peter, Wesley
DALLMEYER, Scott, Andrew
MORRIS, Quintin
DEVOE, Matthew, James
TAO, David
Title: STRAP ARM HEAD-MOUNTED DISPLAY WITH INTEGRATED AUDIO PORT
Abstract:
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.