| 摘要 |
A portable information retrieval apparatus (10) is provided with a wireless data transceiver (22) for communicating with a remote computer data network (28). The apparatus (10) is further provided with a receiver circuit (30) responsive to a local transmitter (34). The apparatus (10) is programmed to respond to the local transmitter (34) by retrieving information from the data network (28) relevant to the location or identity of the local transmitter (34). In an alternative embodiment, the apparatus includes independent position location means such as a Global Positioning System receiver (82) for determining the location of the apparatus (10) and retrieving information for the network (28).
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