CLEANING SYSTEM FOR PINHOLE CAMERA

摘要

The invention relates to a web monitoring beam including at least one camera placed therein and being equipped with a camera lens cleaning system with means for generating compressed air. The camera placed inside the web monitoring beam is a pinhole camera with a chamber area between the lens and the pinhole of the pinhole camera. Compressed air is blown into the chamber area, which compressed air exits via the pinhole of the pinhole camera, removing the impurities from the chamber area. The invention also relates to a pinhole camera including a cleaning system.

主权项

1. A web monitoring beam comprising at least one camera placed inside the web monitoring beam and comprising a cleaning system for the lens of the camera, the cleaning system comprising means for generating compressed air, wherein said at least one camera is a pinhole camera that comprises a chamber area formed between the lens and the pinhole of the pinhole camera and provided with an orifice for blowing compressed air into the chamber area, the compressed air being configured to exit the chamber area via the pinhole of the pinhole camera.