Patent ID: 7999727
Filing Date: 2011-08-16
Classification: G01S,H01Q

Abstract:
1. A radar high frequency module, comprising: a printed circuit board carrying microwave components including a patch antenna; a shielding cover having a flat top wall and downwardly extending side walls, the flat top wall having a hole and the shielding cover being positioned on the printed circuit board to cover the microwave components; a dielectric rod antenna extending through and being held in the hole in the flat top wall of the shielding cover and being transmissively coupled to the patch antenna; and at least one distance piece mounted at the top wall of the shielding cover and supporting the shielding cover on the printed circuit board at a supported position, wherein the shielding cover is supported by the at least one distance piece without direct mechanical contact of the side walls with the printed circuit board at the supported position.