Urban barrier-free digital guideboard system realized by using wireless signal
A wireless signal and barrier-free technology, applied in transmission systems, control with pedestrian guide lights, electrical components, etc., can solve problems such as inability to see road signs, cumbersome road sign settings, difficulty in walking and driving, etc.
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[0014] Such as figure 1 and figure 2 As shown, this embodiment includes a wireless signal transmitter, which is mainly located at each main street and building in the city, and transmits wireless signals to the surrounding area;
[0015] The content server records the ID and corresponding information of each wireless signal transmitter.
[0016] The terminal software is installed in the handheld smart terminal, receives the trigger response of the wireless signal, and extracts and displays the corresponding information from the content server.
[0017] Among them, the wireless signal transmitter (also called AP device) is a miniaturized low-power wireless signal transmitter, and the wireless signal transmitter works in the globally common 2.4GHz ISM (ie industrial, scientific, medical) frequency band, using IEEE802 .11 or IEEE802.15 protocol, IEEE802.11 is a protocol that can wirelessly connect personal computers, handheld devices (such as PDAs, mobile phones) and other ter...
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