Automatic tray pricing system based on surface acoustic wave technology
A surface acoustic wave and automatic pricing technology, applied in the field of wireless transmission, can solve problems such as pricing errors, and achieve the effect of improving pricing efficiency and solving toll queuing problems.
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[0014] Such as figure 1 with 2 As shown, the automatic pallet pricing system based on surface acoustic wave technology includes a host computer (4), a wireless transceiver (1) installed at the pricing desk, a radio frequency antenna (2), and a wireless passive surface acoustic wave radio frequency tag (3). ) In several parts, the wireless passive surface acoustic wave radio frequency tag (3) is installed at the bottom of each dining container; the wireless passive surface acoustic wave radio frequency tag (3) includes a device base (5), a transceiver Antenna (6), interdigital transducer (7), starting reflection grid (8), code reflection grid (9) and termination reflection grid (10); the wireless transceiver (1) installed at the pricing desk Transmit a radio frequency pulse query signal with a certain working frequency through the radio frequency antenna (2) at a certain time interval. In each working cycle, the wireless transceiver (1) immediately turns to the receiving state af...
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