Patents by Inventor Felix Pfeifer

Felix Pfeifer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR DETECTING CHANGES IN AN AREA TO BE MONITORED
    Publication number: 20230406671
    Abstract: A method for detecting changes in an area to be monitored of a conveying system utilizes a sound sensor and an evaluation unit connected to the sound sensor. The method includes emitting an acoustic pulse into the area to be monitored, recording an acoustic response signal of the pulse as an actual signal, determining an envelope of the actual signal, and detecting changes on the basis of the envelope.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 21, 2023
    Inventors: Lars Dehmel, Felix Pfeifer