Multi- frequency range multifunctional electronic label

Abstract

The invention relates to a novel electric label with multiple frequency range and multiple functions. The electric label comprises a micro processor, a memory connected with an I / O end of the micro processor, a power supply connected with the micro processor by a power supply control circuit and a powerup reset circuit connected with the I / O end of the micro processor, wherein the powerup reset circuit is also connected with the power supply and the power supply control circuit respectively; the invention is characterized in that the I / O end of the micro processor is also connected with a microwave emitting unit, a microwave receiving unit, a single frequency range microwave control unit, a multiple frequency range microwave control unit, a triggering control unit and an IC card read-write unit which is used to exchange information with the IC card and read information stored in the IC card in the memory; the multiple frequency range microwave control unit, the triggering control unit and the microwave receiving unit are all connected with the power supply control circuit. The solidification of the I / O end of the micro processor conforms to the operation and logic program of the short-range wireless communication protocol specification. The electric label has the advantages of low cost, high working efficiency and small volume.

Description

technical field [0001] The invention relates to the technical field of radio frequency identification, in particular to a novel multi-band multifunctional electronic label based on a special short-range communication protocol and suitable for expressway electronic non-stop toll collection and ambiguous path identification. Background technique [0002] Electronic non-stop toll (ETC) technology and ambiguous path recognition technology are key development projects in the field of intelligent transportation at present, and are important means to realize road intelligence and informatization. Among them, the electronic non-stop toll collection technology can ensure reliable payment while ensuring that vehicles pass through the toll booth quickly, so as to effectively improve the traffic bottleneck situation of the current urban entrance and exit toll booths. The ambiguous path recognition technology can provide perfect and clear driving data of vehicles, and provide a basis for...

AI Technical Summary

Problems solved by technology

[0006] 1. For the comprehensive replacement of the IC card, it will inevitably cause a serious waste of resources

Due to the implementation of the ambiguous path identification system, the 13.56M microwave antenna and contact interface in the IC card currently used can no longer meet the needs, and a 433M / 915M / 2.4G microwave antenna needs to be added in the IC card

On the one hand, the external dimensions of existing IC cards cannot accommodate the existing 433M / 915M / 2.4G microwave antennas; Production

Therefore, once the ambiguous path identification system is implemented, it is necessary to completely replace the existing IC card, which will not only cause a serious waste of resources, but also cause a waste of funds

[0007] 2. The cost of IC card is high, and the identification rate is not high enough

Due to the limitation of the size of the IC card, its battery capacity is relatively small. In order to meet the requirements of the same usage time, it is bound to require the IC card to reduce the power used when it is awakened by the roadside antenna.

On the one hand, reducing the power usage will greatly increase the cost. On the other hand, due to the reduction in power usage, the antenna's performance will inevitably affect its identification rate.

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