Remote vehicle data interface tag system
First Claim
1. A vehicle information system in a multiple vehicle environment comprisinga tag system in each vehicle for retrieving data from the vehicle and for only transmitting the retrieved data,an interrogator for only receiving the retrieved data from each tag system, andmeans for avoiding data collisions in said multiple vehicle environment,wherein each tag system transmits the retrieved data at any time in the multiple vehicle environment and the interrogator receives the retrieved data from each tag system.
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Accused Products
Abstract
A vehicle information system including a tag system mounted in a vehicle. The tag system transmits vehicle-related data acquired from the vehicle to an interrogator. The vehicle information system utilizes a bus in the vehicle with low-cost RF communications in the tag system and an interrogator to remotely access the vehicle-related data as the vehicle exits or enters a designated area. The interrogator provides the vehicle-related data acquired from the tag system to a host computer.
116 Citations
8 Claims
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1. A vehicle information system in a multiple vehicle environment comprising
a tag system in each vehicle for retrieving data from the vehicle and for only transmitting the retrieved data, an interrogator for only receiving the retrieved data from each tag system, and means for avoiding data collisions in said multiple vehicle environment, wherein each tag system transmits the retrieved data at any time in the multiple vehicle environment and the interrogator receives the retrieved data from each tag system.
Specification