Patent ID: 7180440

Claim:
A radar device for the detection of objects enclosed in a wall, comprising: a transmit and receive antenna arrangement composed of at least one cavity ( 3 ) with a radiation element ( 10 ) disposed therein, and a shielded chamber ( 2 ) for electrical circuits ( 4 ), whereby the shielded chamber ( 2 ) is defined by a printed board ( 5 ) covered with a housing ( 1 ), and the electrical circuits ( 4 ) are installed on the side of said printed board that faces the interior of the housing, and the antenna arrangement ( 3 , 10 ) is installed on the other side, wherein the housing ( 1 ) is designed in such a manner that it defines both the shielded chamber ( 2 ) for the electrical circuits ( 4 ) and the at least one cavity ( 3 ) for the radiation element ( 10 ), and wherein the printed board ( 5 ) is inserted into the housing ( 1 ) between the shielded chamber ( 2 ) and the at least one cavity ( 3 ) as a shielding partition.