公开(公告)号：US11094984B1

公开(公告)日：2021-08-17

申请号：US15457828

申请日：2017-03-13

Applicant: Amazon Technologies, Inc.

Inventor： Zhigang Ai ,  James Robert Lim ,  Jing Cao ,  Haoxing Zhang

IPC: H01M10/0525 ,  H01M10/42 ,  H01M50/124 ,  H01M50/116

Abstract: Systems, methods, and computer-readable media are disclosed for swelling resistant pouch batteries. In one embodiment, an example battery may include a pouch having an aluminum layer with a first portion and a second portion, and at least one cell that is partially positioned within the pouch. The at least one cell may include an anode, a separator, a cathode, and an electrolyte. Example pouch batteries may include a circuit electrically coupled to the cathode and to the first portion of the aluminum layer, where the circuit is configured to cause a electric potential difference at the aluminum layer with respect to the anode, and a first electrical contact electrically coupled to the first portion of the aluminum layer.

公开(公告)号：US10699691B1

公开(公告)日：2020-06-30

申请号：US15637532

申请日：2017-06-29

Applicant: Amazon Technologies, Inc.

Inventor： Geng Ye ,  Zhen Xu ,  Haoxing Zhang ,  Bozhao Tan ,  Xuan Zhong ,  Jianchun Dong

IPC: G10K11/178 ,  H04R3/00 ,  G02B27/01 ,  G02C5/14 ,  G02C11/00 ,  G02C5/22

Abstract: A head-mounted wearable device (HMWD) may incorporate bone conduction speakers (BCS) to generate audio output that is perceptible to a wearer. During operation, vibrations of the BCS may produce sound in the surrounding air that is perceptible to bystanders. An active noise cancellation module monitors the output and generates cancellation audio that is out of phase with the sound leaked by the BCS. An air conduction speaker emits the cancellation audio, producing destructive acoustic interference to the leaked sound. As a result, the user of the HMWD is able to hear audio clearly while bystanders are not.