Patents by Inventor Dumeng HERSCHE

Dumeng HERSCHE 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).

  • Publication number: 20160221793
    Abstract: A safety apparatus for elevator apparatuses which can move a cab via a drive including a monitoring unit for monitoring at least one of the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, at least one of the safety device and the monitoring unit includes a controller, which is designed to identify the respective switching states of the sensors, and to transmit at least one of data and monitoring signals to the monitoring unit.
    Type: Application
    Filed: January 12, 2016
    Publication date: August 4, 2016
    Inventors: Beat DE COI, Tobias LEUTENEGGER, Dumeng HERSCHE, Jürg HEGELBACH
  • Publication number: 20130056307
    Abstract: A sensor for safety apparatuses for elevator apparatuses which can move a cab by means of a drive, the sensor including a contact bridge and a contact receptacle for receiving the contact bridge, said contact bridge being arranged in such a way that the closing state of the elevator door can be determined by connection of the contact receptacle and the contact bridge. In order to be able to improve in particular the susceptibility to maintenance, the sensor is in the form of an optical sensor which comprises a transmitter for transmitting an optical signal and a receiver for receiving the optical signal, the transmitter and the receiver being arranged on the contact receptacle and the contact bridge comprising at least one transmission element for transmitting the optical signal.
    Type: Application
    Filed: October 26, 2011
    Publication date: March 7, 2013
    Applicant: Cedes AG
    Inventors: Beat DE COI, Dumeng HERSCHE, Jürg HEGELBACH, Tobias LEUTENEGGER