Method and device for searching for target vehicle through reverse navigation
A target vehicle and target location technology, applied in traffic control systems, instruments, traffic control systems of road vehicles, etc., can solve the problems of high cost, time-consuming, labor-intensive, high cost, etc., and achieve easy operation, simple operation, and saving The effect of user time
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Embodiment 1
[0020] figure 1 It is a schematic flow chart of a method for reverse navigation to find a target vehicle provided by Embodiment 1 of the present invention. The method can be executed by a device for reverse navigation to find a target vehicle, wherein the device can be implemented by software and / or hardware, and can be used as a handheld terminal Some of them are built into the handheld terminal. Such as figure 1 As shown, the reverse navigation method provided in this embodiment to find the target vehicle includes the following operations:
[0021] Step 101, the handheld terminal judges whether the signal strength has gradually weakened to a preset signal strength value according to the signal strength after establishing a connection with the vehicle-mounted terminal, and the vehicle-mounted terminal is installed in the target vehicle.
[0022] In this embodiment, the handheld terminal may specifically refer to a mobile electronic device such as a mobile phone, a tablet co...
Embodiment 2
[0047] figure 2 Embodiment 2 of the present invention provides a structural block diagram of a device for reverse navigation to find a target vehicle. The device can be implemented by software and / or hardware, and can be built into a mobile electronic device as a part of the mobile electronic device as a handheld terminal. . Such as figure 2 As shown, the device includes:
[0048] The signal strength judging module 201 is used to determine whether the signal strength gradually weakens to a preset signal strength value according to the signal strength after establishing a connection with the vehicle-mounted terminal; the data information acquisition module 202 is used for when the signal strength weakens to a preset signal strength value, receive the data information of the vehicle-mounted terminal and save it, and obtain the current position as the starting position; the historical track information acquisition module 203 is used to obtain the user's walking track from the...
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