Method for preventing illegal swiping of vehicle-mounted unit IC (Integrated Circuit) card and vehicle-mounted unit for preventing illegal swiping
An in-vehicle unit and theft brushing technology, applied in the field of intelligent transportation, can solve the problems of the vehicle-mounted unit IC card being stolen and brushed, and achieve the effect of protection from being stolen and brushed
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Embodiment 1
[0026] see figure 1 , a kind of method flowchart of anti-theft swiping vehicle-mounted unit IC card provided by real-time example of the present invention, comprises the following steps:
[0027] S01. The vehicle-mounted unit receives the wireless signal sent by the fraudulent device;
[0028] The skimming equipment is generally a non-contact reading and writing device. In this embodiment, the skimming equipment adopts a POS machine. In a situation of skimming, the skimmer holds the POS machine and swipes the card after approaching the vehicle-mounted unit. The communication process between the POS machine and the vehicle-mounted unit IC card includes multiple steps, for example, the POS machine sends a request command, the vehicle-mounted unit IC card will send a response command after receiving the request command, and the POS machine will send an anti-collision command after receiving the response command , the vehicle-mounted unit IC card will send a corresponding respons...
Embodiment 2
[0035] see figure 2 and 3, the schematic diagram of the anti-theft swiping vehicle-mounted unit provided by the embodiment of the present invention, including a main control module, a charging module connected with the main control module, and a protection module connected with the main control module. In this embodiment, the protection module The analog card module is adopted, and the analog card module can send out wireless signals similar to the vehicle-mounted unit IC card, and the analog card module is controlled by the main control module. When the vehicle-mounted unit is in the wake-up state, the main control module configures the analog card module to be in the off state , that is, the analog card module does not work when the vehicle-mounted unit is in the wake-up state; when the vehicle-mounted unit is in the dormant state, the main control module configures the analog card module to be in the receiving state.
[0036] The interference device in this embodiment use...
Embodiment 3
[0038] see Figure 5 Another anti-theft swiping vehicle-mounted unit provided by an embodiment of the present invention includes a main control module, a charging module connected to the main control module, and a protection module connected to the main control module, and the protection module includes a power detection module And the transmitting module, the power detection module is connected with a coil, and the external wireless signal can be received through the coil. When the wireless signal of the fraudulent device is detected, if the wireless signal strength is greater than a certain threshold, an interrupt signal will be output to the main control module. When the vehicle-mounted unit is in the wake-up state, the main control module does not respond to the interrupt signal output by the power detection module. When the vehicle-mounted unit is in a dormant state, the main control module will send an instruction to make the transmitting module send an interference sign...
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