---
publication_id: "OT-2026-000000847"
title: "Self-cleaning safety system"
published_at: "2026-09-15T19:03:28.961391Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000000847"
categories:
  - "manufacturing-assembly-equipment/surface-treatment"
keywords:
  - "b08b7/026"
  - "b08b5/02"
  - "b08b6/00"
---

# Self-cleaning safety system

## Abstract

An apparatus includes a control circuit to connect to an audio device of a safety system. The safety system is to detect a hazardous condition. The audio device is to alert a user of the hazardous condition. The safety system is to include a sensor to sense the hazardous condition. The apparatus includes an interface to connect the control circuit to the audio device. The control circuit is to determine whether to clean a housing of the sensor and, based on a determination to clean the housing of sensor, cause the audio device to vibrate or issue sound waves at an inaudible frequency.