1
Joerg Schulz, Gerhard Heilig, Heidrun Richter, Bernd Steegmann, Martin Witte, Gianni Uselli: Capacitive proximity switch. i f m electronic, Huf Huelsbeck & Fuerst & Co KG, David S Safran, April 17, 2007: US07205777 (59 worldwide citation)

A capacitive proximity switch for detecting the change in the capacitance relative to a setpoint capacitance by the approach or retreat of an object in the sensitive area of a proximity switch, especially for use in the door handle of a motor vehicle, provides reliable error detection and error supp ...


2
Joerg Schulz, Gerhard Heilig, Heidrun Richter, Bernd Steegmann, Martin Witte, Gianni Uselli: Capacitive proximity switch. i f m Electronic, Huf Huelsbeck and Fuerst and Co KG, Nixon Peabody, March 31, 2005: US20050068712-A1

A capacitive proximity switch for detecting the change in the capacitance relative to a setpoint capacitance by the approach or retreat of an object in the sensitive area of a proximity switch, especially for use in the door handle of a motor vehicle, provides reliable error detection and error supp ...



Click the thumbnails below to visualize the patent trend.