초록 ▼

A vehicle navigational receiver module includes a first planar antenna for receiving navigational radio signals, a signal processing circuit that is connected to the antenna, as well as a ground plane. In addition, a second planar antenna for receiving a telematic radio signal is arranged so as to a

A vehicle navigational receiver module includes a first planar antenna for receiving navigational radio signals, a signal processing circuit that is connected to the antenna, as well as a ground plane. In addition, a second planar antenna for receiving a telematic radio signal is arranged so as to at least partially overlap the first planar antenna and is connected to a second signal processing circuit.

대표청구항 ▼

1. A vehicle navigational receiver module, comprising:a first planar antenna configured to receive navigational radio signals;a first signal processing circuit connected to the first planar antenna;a second planar antenna configured to receive telematic radio signals, the second planar antenna arran

1. A vehicle navigational receiver module, comprising:a first planar antenna configured to receive navigational radio signals;a first signal processing circuit connected to the first planar antenna;a second planar antenna configured to receive telematic radio signals, the second planar antenna arranged so as to at least partially overlap the first planar antenna;a second signal processing circuit that is connected to the second planar antenna;a common connector configured to output the navigational radio signals and input/output the telematic signals, navigational radio signals and telematic radio signals being transmitted in different frequency ranges via the common connector;wherein a DC component of one of the navigational radio signals and the telematic radio signals applied at the common connector functions as a power source for the first signal processing circuit and the second signal processing circuit, and a control signal for switching over a signal processing circuit of the telematic signal between the transmitting and the receiving modes is transmitted in a further frequency range via the common connector. 2. The vehicle navigational receiver module of claim 1, wherein the first planar antenna includes a first patch, the second planar antenna includes a second patch, the first planar antenna and the second planar antenna share a common ground plane, and the first patch is arranged between the second patch and the ground plane. 3. The vehicle navigational receiver module of claim 2, wherein the first patch and the second patch are separated from each other by a first dielectric and from the ground plane by a second dielectric, the first dielectric and the second dielectric being plate-shaped, dielectric constants of the first dielectric and the second dielectric being different, and the dielectric constant of the second dielectric being lower than the dielectric constant of the first dielectric, and wherein the second patch of the second planar antenna borders on the second dielectric, and the first patch of the first planar antenna borders on the first dielectric. 4. The vehicle navigational receiver module of claim 2, wherein the first patch and the second patch are arranged in parallel planes. 5. The vehicle navigational receiver module of claim 2, wherein the first patch connected to the first processing circuit by a first respective supply line and the second patch is connected to the second processing circuit by a second respective supply line. 6. The vehicle navigational receiver module of claim 1, wherein the first planar antenna and the second planar antenna have different main transmitting directions. 7. The vehicle navigational receiver module of claim 6, wherein the vehicle navigational receiver module is configured for an installation position at an angle to a vehicle, a first main transmitting direction of the first planar antenna assigned for a navigational radio signal being oriented in a zenithal manner, and the second planar antenna assigned for a telematic radio signal being oriented in a direction of travel. 8. The vehicle navigational receiver module of claim 6, wherein a first plurality of centroids of the first patch projected onto the ground and a second plurality of centroids of the second patch projected onto the ground plane are offset with respect to each other. 9. The vehicle navigational receiver module of claim 8, wherein a link between the first plurality of centroids and the second plurality of centroids extends in a direction of a strongest gradient of the ground plane. 10. The vehicle navigational receiver module of claim 1, wherein the first signal processing circuit and the second signal processing circuit are mounted on a common printed circuit board. 11. The vehicle navigational receiver module of claim 5, wherein the first supply line of the first patch is routed through an opening in the second patch. 12. The vehicle navigational receiver module of claim 1, wherein the common connector is configured for connecting a coaxial cable.