Camera-based privacy LED tamper detection

A system for recording video in a wearable device is provided. The system comprises: a barrel for providing mechanical support for one or more components in the system; the camera is arranged in the barrel body, the camera comprises a front lens, and the front lens is provided with a camera view field pointing to a bystander outside the wearable equipment; a cover glass mounted on the barrel, the cover glass configured to protect the front lens and one or more components in the system; the light-emitting equipment is arranged in the barrel body; and a light pipe configured to: receive light from the light emitting device; and transmitting the light through an overlap region on the cover glass and to the bystander while the camera is recording a scene outside the wearable device within the field of view, where the camera field of view includes at least a portion of the overlap region. 提供了一种用于在可穿戴设备中录制视频的系统。该系统包括：筒体，该筒体用于为该系统中的一个或多个部件提供机械支撑；摄像头，该摄像头设置在该筒体内，其中，该摄像头包括前透镜，该前透镜具有指向该可穿戴设备外部的旁观者的摄像头视场；盖玻璃，该盖玻璃安装在该筒体上