| 摘要 |
PCT No. PCT/IT95/00006 Sec. 371 Date Aug. 8, 1996 Sec. 102(e) Date Aug. 8, 1996 PCT Filed Jan. 24, 1995 PCT Pub. No. WO95/25300 PCT Pub. Date Sep. 21, 1995An electronic device for remotely displaying information includes a central control unit in connection with a plurality of electronic labels (4) through a communication network made up of a plurality of nodes (1) connected to said central unit, each node (1) being provided with an infrared transmitter (2) for sending signals to the labels (4) and with a radio frequency receiver (6) to receive messages coming from the labels (4), while each label (4) is provided with an infrared receiver (3) to receive messages coming from the nodes (1) and with a radio frequency transmitter (5) to send messages to the nodes (1).
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