Infrared (ir) communication device for motor vehicles
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Accused Products
Abstract
A motor vehicle infrared (IR) communication device (2) for an electronic fee-charging system, comprising IR transmitting and receiving elements (9) arranged in a housing (4) and oriented according to a first direction (10), which first direction (10) extends at least substantially in a vertical longitudinal plane of the motor vehicle when the communication device (2) is in a state installed in a motor vehicle, and transmitting and receiving electronics (36, 37); further IR elements (13) oriented at least according to a second direction (14) are additionally arranged in the housing (4), this second direction (14) being oriented towards a side, relative to the first direction (10), or to the vertical longitudinal plane, respectively.
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Citations
23 Claims
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1-12. -12. (canceled)
- 13. A motor vehicle infrared (IR) communication device (2), preferably for an electronic fee-charging system, comprising IR transmitting and receiving elements (9) arranged in a housing (4) and oriented according to a first direction (10), which first direction extends at least substantially in the travel direction of the motor vehicle when the communication device (2) is in a state installed in a motor vehicle, and comprising further IR elements (13) additionally arranged in the housing (4) and oriented at least according to a second direction (14), this second direction (14) being oriented towards one side, relative to the first direction (10), and transmitting and receiving electronics (36, 37), wherein, as further IR elements (13) oriented in the second direction (14), only IR transmitting elements are provided, and in that for the IR receiving elements (9) oriented in the first direction (10), a directional characteristic (11) which is sufficiently broad also for receiving in the lateral direction is provided.
Specification