Lamp i.e. inner lamp, for illumination of interior space of motor vehicle, has electrically conductive layer coupled with sensor connection, and output connection of measuring device staying in control connection with control device

摘要

The lamp (1) has a control device (4) for a lamp unit (2) i.e. lamp diode, and a reflector (5) arranged in an emission area of the lamp unit. The reflector has an electrically conductive layer coupled with a sensor connection (8) of a capacitive measuring device (9) for forming a capacitive proximity sensor. An output connection (12) of the measuring device stays in control connection with the control device. The capacitive measuring device exhibits an inductance that forms a resonant circuit. The measuring device measures changes of resonance frequency of the resonant circuit.