Mobile transponder for a motor vehicle
First Claim
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1. A mobile transponder for vehicles with an optical indicator corresponding to the vehicle, said mobile transponder comprising:
- a plurality of antennas having three-dimensional directional characteristics for recognizing a signal from the vehicle and providing a directed output;
evaluation logic receiving said directed output and providing output information concerning direction and location of the vehicle in relationship to the mobile transponder;
a display for receiving and displaying said information concerning direction and location of the vehicle regardless of the orientation of the transponder.
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Abstract
A mobile transponder for vehicles with an optical indicator providing information concerning the direction from the transponder to a vehicle. A plurality of antennas provide three-dimensional directional characteristics in order to recognize the signal from the vehicle and to provide a directed output. An evaluation circuit analyzes the signal from the antenna and provides output information concerning the direction and location of the vehicle in relationship to the transponder. This information is displayed on the transponder regardless of the orientation of the transponder.
16 Citations
3 Claims
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1. A mobile transponder for vehicles with an optical indicator corresponding to the vehicle, said mobile transponder comprising:
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a plurality of antennas having three-dimensional directional characteristics for recognizing a signal from the vehicle and providing a directed output; evaluation logic receiving said directed output and providing output information concerning direction and location of the vehicle in relationship to the mobile transponder; a display for receiving and displaying said information concerning direction and location of the vehicle regardless of the orientation of the transponder. - View Dependent Claims (2, 3)
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Specification
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Current AssigneeBayerische Motoren Werke AG
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Original AssigneeBayerische Motoren Werke AG
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InventorsBefelein, Carsten, Bartz, Ruediger
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Primary Examiner(s)Zimmerman, Brian
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Assistant Examiner(s)BROWN, VERNAL U
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Application NumberUS09/700,066Time in Patent Office2,597 DaysField of Search340/825.49, 340/572.7, 340/10.1, 340/961, 340/568.1, 340/572.1, 340/825.69, 340/825.72, 340/5.61, 340/10.5, 455/456.2, 342/357.09, 342/46, 116/209US Class Current340/8.1CPC Class CodesG01S 13/825 with exchange of informatio...G07C 2009/00793 by Hertzian wavesG07C 2009/00992 mechanical keyG07C 2209/62 Comprising means for indica...G07C 9/00309 operated with bidirectional...
