Rates automatic checkout system and wireless communication function with the storage medium for the same system, frequency conversion device for the same system, writing device for the same system, for the same system settlement system, payment system and query devices for the same system for the same system

摘要

An inquiring apparatus (8) for use in an automatic toll adjusting system for inquiring information stored in a storage medium (1) with a radio communication function, the storage medium being carried by each user for storing adjustment information necessary for toll adjustment therein and exchanging information with the inquiring apparatus (8) by radio communication at a first predetermined frequency, the inquiring apparatus (8) comprising a communicating means for directly exchanging information with the storage medium (1) by radio communication at the first predetermined frequency, a demand issuing means for issuing a read demand to read the information stored in the storage medium (1) to the storage medium (1) through the communicating means and an expressing means for expressing information received from the storage medium (1) through the communicating means in response to the read demand issued from the demand issuing means.