Essity Hygiene and Health Aktiebolag

Anders Stråhlin

Robert Kling

Gunilla Himmelmann

Jerry Svedlund

Peter Rehnström

A solution for detecting level of a consumable tissue product () in a tissue dispenser () located in a washroom. This is provided in a number of aspects such as a tissue dispenser, a method, system, and a sensor unit utilizing two sensor elements (), each arranged to measure light reflected from a reflection field located on the tissue product, reflected directly from the tissue product, or measure the absence of the tissue product. Data from the sensor elements are wirelessly transmitted to a server () for further handling, such as for instance notification to a janitor in charge of service of the washroom.

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Torslanda, Sweden

Anders Stråhlin