Patent ID: 7940049

Claim:
A portable metal detector, comprising: a support stick, a detection head placed at an end of the support stick, said detection head including a transmitting coil and a receiving coil, the transmitting coil being energized by an excitation signal, an electronic command and control box configured to implement the detection head, an operator headset configured to allow the detector to transmit an audio detection signal to the operator, wherein the detection head, furthermore comprises power supply means, means for generating in an autonomous manner an excitation signal and means for analysing the signal received, wherein the detection head, the electronic command and control box comprise radio transmission means for establishing bidirectional radio links, wherein the detection head is configured to exchange signals and information with the command and control box and with the operator headset separately, the radio transmission means is also configured to allow the command and control box to exchange signals and information directly with the audio headset.