Provided is a positioning light source device which is used for providing a positioning signal. The positioning light source device comprises multiple light-emitting light sources and at least one drive device. The multiple light-emitting light sources are electrically connected with the drive devices. The drive devices drive the light-emitting light sources to scintillate according to different preset frequencies respectively. The multiple light-emitting light sources with different scintillation frequencies are respectively arranged in different predetermined areas within the range requiring provision of positioning service. The invention also relates to a positioning device and a positioning method.
Positioning light source device, positioning device and positioning method
2015-04-15
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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