The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2023
Filed:
Mar. 12, 2021
Essity Hygiene and Health Aktiebolag, Gothenburg, SE;
Anders Strålin, Torslanda, SE;
Gunilla Himmelmann, Molnlycke, SE;
Robert Kling, Skene, SE;
Peter Rehnstrom, Falun, SE;
Jerry Svedlund, Hedemora, SE;
ESSITY HYGIENE AND HEALTH AKITEBOLA, Gothenburg, SE;
Abstract
A tissue dispenser, a method, system, and a sensor unit for detecting level of a consumable tissue product () in a tissue dispenser () located in a washroom. This includes provided 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.