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The patent EP3640521 was granted to Leuze Electronic on May 31, 2023. The application was filed on Oct 17, 2018 under application number EP18200990A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Monitoring device for hazardous systems with an optical sensor that generates measurement data, which is evaluated by a safety controller to detect objects in the monitored area. The safety controller generates object detection signals, such as binary switching signals or position/speed/direction data, to control the system based on the presence of objects in the monitored area.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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