RF License Plate Reader Antenna System
An antenna system and reader technology, which is applied to antennas, antenna arrays, antenna components, etc., can solve the problem that the reader antenna cannot detect the rear license plate, the reader antenna cannot effectively obtain relevant information, and cannot detect the front license plate label, etc. problems, to achieve the effect of improving the effectiveness
Active Publication Date: 2020-12-04
苏州晟达力芯电子科技有限公司
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- Abstract
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- Claims
- Application Information
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Problems solved by technology
In this way, during the driving process of the vehicle, if the front license plate of the rear car is blocked by the front car, the reader antenna cannot detect the front license plate label of the vehicle; at the same time, due to the angle limitation of the reader antenna itself, the reader antenna cannot The rear license plate of the car was detected
As a result, the reader antenna cannot effectively obtain the relevant information of the vehicle
Method used
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[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0036] figure 1 It is a schematic structural diagram of an electronic tag reading system provided by the prior art. refer to figure 1 , the electronic tag reading system includes: antenna unit 09, gantry frame 03, reading and writing unit 04 and processing unit 05; the vehicle to be detected 01 includes a window mark 011 and an electronic license plate 012 located on the window, and the vehicle to be detected 01 along the vehicle Driving direction 06 movement. Wherein, the height of the antenna unit 09 from the...
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The invention discloses a radio frequency license plate reader antenna system. The radio frequency license plate reader antenna system comprises at least one antenna group corresponding to the same detected lane. The antenna group at least comprises a first antenna array and a second antenna array which are arranged opposite to each other. The directional diagram of the first antenna array faces the incoming direction of the detected lane and the directional diagram of the second antenna array faces the outgoing direction of the detected lane. According to the technical scheme, the first antenna array and the second antenna array with opposite directional diagrams are arranged, the front license plate information of the vehicle can be read by the first antenna array and the rear license plate information of the vehicle can be read by the second antenna array, i.e. the license plate information of the same vehicle on the lane can be read by the first antenna array and the second antennaarray respectively so that the effectiveness of reading the license plate information can be enhanced.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of radio frequency identification electronic license plate reader antennas, in particular to an antenna system for a radio frequency license plate reader. Background technique [0002] Radio Frequency Identification (RFID) technology, also known as radio frequency identification technology, is a communication technology that can identify specific targets through radio signals to read and write related data without the need for mechanical or optical establishment between the identification system and specific targets. touch. According to different operating frequencies, RFID can be divided into low frequency (Low Frequency, LF) RFID, high frequency (High Frequency, HF) RFID, ultra-high frequency (Ultra-high frequency, UHF) RFID and microwave RFID. Applying RFID technology to vehicles and other vehicles, installing "electronic tags" on vehicles can enable vehicles to be "sensed" in a tim...
Claims
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IPC IPC(8): H01Q1/22H01Q1/50H01Q21/00H01Q21/29H01Q1/42
CPCH01Q1/2216H01Q1/42H01Q1/50H01Q21/0006H01Q21/29
Inventor 菅洪彦陆志伟
Owner 苏州晟达力芯电子科技有限公司