1
Beat De Coi, Tobias Leutenegger, Dumeng Hersche, Jurg Hegelbach: Safety apparatus for an elevator apparatus and a drive apparatus thereof. Cedes, Burr & Brown PLLC, April 12, 2016: US09309090 (3 worldwide citation)

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 ...


2
Beat De Coi, Dumeng Hersche, Jürg Hegelbach, Tobias Leutenegger: Sensor, safety apparatus and elevator apparatus. Cedes, Burr & Brown PLLC, March 18, 2014: US08672099 (2 worldwide citation)

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 dete ...


3
Beat De Coi, Dumeng Hersche, Jürg Hegelbach, Tobias Leutenegger: Elevator door monitor and drive safety apparatus. Cedes, Burr & Brown PLLC, December 2, 2014: US08899383 (2 worldwide citation)

A safety apparatus for elevator apparatuses which can move a cab by way of a drive, including: a first safety circuit, which has a closed conduction state and an open conduction state, with an interrupting apparatus for interrupting the drive depending on the conduction state of the first safety cir ...


4
Beat De Coi, Dumeng Hersche, Jürg Hegelbach, Tobias Leutenegger: Switching device and sensor in a circuit with improved detection of switching state. Cedes, Burr & Brown PLLC, April 14, 2015: US09004230 (1 worldwide citation)

A switching device including at least one sensor for detection purposes which can be switched between at least two switching states depending on the detection. In order to enable improved detection of the switching states, a switching unit is provided, the switching unit and the at least one sensor ...