Patent ID: 8816918

Claim:
An antenna device in a motor vehicle, comprising: an antenna to receive radio signals, the antenna comprising a metallic conductor, the antenna being grounded in a first metal face; and a seal formed of a nonconductive material, the seal having a sealing face to receive a metallic vehicle part, the metallic vehicle part having a second metal face, the metallic vehicle part being selected from the group consisting of a convertible roof, a sunroof and another automotive part, the sealing face receiving the metallic vehicle part such that the metallic vehicle part can be applied to and removed from the sealing face during operation of the antenna, wherein when the metallic vehicle part bears on the sealing face, the antenna is formed as a slot antenna between the first and second metal faces, and when the metallic vehicle part does not bear on the metallic conductor, the antenna is formed as a flat electrical reception monopole which extends a distance from the first metal face.