Patent ID: 8773287

Claim:
Vehicle detector, comprising: a vehicle sensor arranged for sensing disturbances caused by a vehicle; a digitizer connected to said vehicle sensor and arranged for encoding a signal from said vehicle sensor into a digital representation; a memory connected to said digitizer and arranged for storing said digital representation; an antenna; a transmitter connected to said memory and said antenna; a controller arranged for controlling operation of said vehicle sensor, said digitizer, said memory and said transmitter; a battery powering said vehicle sensor, said transmitter and a receiver; and a housing enclosing said vehicle sensor, said digitizer, said memory, said transmitter and said controller; said housing providing protection against mechanical damage and moisture for said vehicle sensor, said digitizer, said memory, said transmitter and said controller, thereby enabling said housing to be placed under ground; said antenna is provided outside said housing and at a distance from said housing for enabling placement of said antenna within a roadway surface coating; said controller is arranged for turning off at least one of said transmitter, said receiver, and said vehicle sensor during a predetermined inactivity period and for activating said transmitter and said receiver and transmitting a request for further instructions when said inactivity period is ended; and said controller is arranged for cowering said vehicle sensor when measurement instructions are received as said further instructions.