Patent ID: 6850189
Filing Date: 2005-02-01
Classification: B60R,H01Q

Abstract:
1. Circuit for the selective activation of a plurality of antennas from a common end stage, comprising: a first selector switch at one terminal of the end stage, the fixed contact of which can be optionally connected to one of two switch contacts, a second selector switch with a fixed contact, which is connected via a first antenna to a first switch contact of the first selector switch, a first switch contact which is connected to the other terminal of the end stage, and a second switch contact, which is connected to the first switch contact of the first selector switch, a third selector switch, which can be switched simultaneously with the second selector switch, with a fixed contact which is connected via a second antenna to a second switch contact of the first selector switch, a first switch contact, which is connected to the other terminal of the end stage, and a second switch contact, which is connected to the second switch contact of the first selector switch, and a further antenna each, which is connected to the fixed contact of the second selector switch or of the third selector switch and of the other terminal of the end stage.