Detection element for objects and detection device using the same

A body detecting element configured to be buried in the ground with a non-magnetic metal pipe, the body detecting element comprising:

• a flexible magnetic member configured as a magnetic core and further configured to be wrapped completely around an outer surface of the non-magnetic metal pine along a predetermined length of the non-magnetic metal pipe;
• an antenna coil wound around the magnetic members;
• and
• one of a capacitor and a piezo-resonator connected to both the ends of the antenna coil to form a resonance circuit with the antenna coil.

A body detecting element configured to be buried in the ground with a magnetic metal pipe and

• a flexible electromagnetic shield member configured to be wrapped completely around an outer surface of the magnetic metal pipe along a predetermined length of the magnetic metal pipe, and comprising copper, copper alloy or aluminum;
• a flexible magnetic member wrapped around the electromagnetic shield member, and configured as a magnetic core,
• an antenna coil wound around the magnetic member;
• and
• one of a capacitor and piezo-resonator connected to both the ends of the antenna coil to form a resonance circuit with the antenna coil.

A body detecting element configured to be buried with an explosive body and comprising:

• a detector housing configured to be integrally mounted on an outer surface of the explosive body;
• a magnetic member configured as a magnetic core and comprising a composite material comprising Fe or Fe—Co alloy powder or flake in an amount not less than 74 wt % to not more than 86 wt % and plastic in an amount not less than 14 wt % to not more than 26 an antenna coil wound around the magnetic member;
• and
• one of a capacitor a piezo-resonator connected to both the ends of the antenna coil to form a resonance circuit with the antenna coil, wherein
• the detector housing includes one of a cross section and a length smaller than a corresponding cross section and length of an area to be detected by said body detecting element.

A body detecting element mounted on a metal body and comprising:

• a detector housing configured to be integrally mounted on an outer surface of the metal body;
• a magnetic member disposed in the detector housing and configured as a magnetic core,
• an antenna coil wound around the magnetic member;
• and
• an RFID circuit connected to the antenna coil, wherein the RFID circuit includes a memory for storing data characteristic to the metal body, is activated by a radio wave having a specific frequency and transmitted from a detecting apparatus, reads data from the memory in response to a read command issued by the data communication through the radio wave, writes data to the memory in response to a write command and issues a response command to the detecting apparatus, wherein
• the detector housing includes one of a cross section and a length smaller than a corresponding cross section and length of an area to be detected by said body detecting element.

A body detecting element configured to be mounted on a non-magnetic metal pipe and comprising:

• a flexible magnetic member configured as a magnetic core and further configured to be wrapped completely around an outer surface of the non-magnetic metal pipe along a predetermined length of the non-magnetic metal pipe;
• an antenna coil wound around the magnetic member;
• and
• an RFID circuit connected to the antenna coil, wherein the RFID circuit includes a memory for storing data characteristic to the body, is activated by a radio wave having a specific frequency and transmitted from a detecting apparatus, reads data from the memory in response to a read command issued by the data communication of the radio wave, writes data to the memory in response to a write command and issues a response command to the detecting apparatus.

A body detecting element configured to be mounted on a magnetic metal pipe and comprising:

• a flexible electromagnetic shield member configured to be wrapped completely around an outer surface of the magnetic metal pipe along a predetermined length of the magnetic metal pipe, and comprising copper, copper alloy or aluminum;
• a flexible magnetic member wrapped around the electromagnetic shield member and configured as a magnetic core;
• an antenna coil wound around the magnetic member;
• and
• an RFID circuit connected to the antenna coil, wherein the RFID circuit includes a memory for storing data characteristic to the body, is activated by a radio wave having a specific frequency and transmitted from a detecting apparatus, reads data from the memory in response to a read command issued by the data communication of the radio wave, writes data to the memory in response to a write command and issues a response command to the detecting apparatus.