Driver's microphone on the bus

摘要

this research is a private bus, on the bus, on the (100) or a side panel (400) is set to have a flexible rod type microphone (300), the cab (200) installed to a side bar, the design of the bus. the points of the driver program in order to hold the microphone because of the driver's attention is distributed to prevent the driver can concentrate on driving safety, and seek practical results.