公开(公告)号：US20230232144A1

公开(公告)日：2023-07-20

申请号：US17685924

申请日：2022-03-03

Applicant: Google LLC

Inventor： Ketan Shringarpure ,  Warwick Ka Kui Wong ,  Chi Kin Benjamin Leung ,  Yao Ding ,  Jingyu Huang ,  Jae Lee

IPC: H04R1/08 ,  H04R1/04 ,  H02H9/04

CPC classification number: H04R1/083 ,  H04R1/04 ,  H02H9/046 ,  H04R2499/11

Abstract: The disclosure generally relates to a conductive layer having one or more protrusions configured to attract an electrostatic discharge (“ESD”) arc. The device may be any device, such as a smartphone, tablet, earbuds, etc. The device may include a microphone and, therefore, may include a microphone opening. The conductive layer may include a conductive opening axially aligned with the microphone opening and one or more protrusions extending radially inwards towards the center of the conductive opening.

公开(公告)号：US20250097553A1

公开(公告)日：2025-03-20

申请号：US18565472

申请日：2022-08-01

Applicant: Google LLC

Inventor： Jingyu Huang ,  Liang Ching Tseng ,  Tsung-Dar Cheng ,  Alexander P. Wroblewski ,  Weifeng Pan ,  Warwick Ka Kui Wong

IPC: H04N23/52 ,  H04N23/55 ,  H04N23/57

Abstract: The present document describes a camera module with electrostatic discharge (ESD) protection. In particular, the camera module includes a lightning rod structure, which guides an ESD current to a safe location (e.g., system ground) when a lens retainer of the camera module is hit by an ESD spark. Due to the impact on camera focus tuning and the risk of audio rub and buzz, the lightning rod structure does not physically touch the lens retainer. As such, a gap separates the lightning rod structure from the lens retainer. When the lens retainer is stressed by an ESD spark, the gap is broken down and a conductive path is established to guide the ESD current to the safe location through the lightning rod structure. In this way, the ESD current flows along a controlled path instead of jumping to arbitrary locations, which protects nearby susceptible circuitry.