ELECTRICAL POWER TRANSMISSION DEVICEAn electrical power transmission device includes at least one switching unit having at least one contact fitting for electrically contacting the switching unit. Furthermore, the switching unit has a s…DRIVE·Oct 21·1 min readFollowH01H9/168SIEMENS ENERGY GLOBAL GMBH & CO. KG
Wireless signal transmitter and detectorThe wireless signal transmitter and detector (20) is incorporated in or attached to a previously installed electrical switch or sensor, e.g. a light switch or sensor and detects the activation of the …DRIVE·Apr 20·1 min readFollowH01H9/168AUMANN GREGOR MARIA ERNST WALT [DE]