KEYLESS SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a keyless system capable of preventing return signals from each portable machine from being mixed when a plurality of portable machines exist while shortening the time required for certification.

SOLUTION: When a radio communication part 3 of the portable machine 1 receives a start signal, a control part 4 compares the ID information included in the start signal with its inherent ID or global ID for all the portable machines and transmits the identification information from the radio communication part 3 when they agree. An electric lock device 10 is provided with a radio communication part 13 transmitting the start signal including the ID information of the portable machine 1 to be transmitted and receiving the identification information sent back from the portable machine 1 and a control part 15 transmitting the start signal including global ID first of all when receiving trigger input from the radio communication part 13 and transmitting the start signal including inherent ID to each portable machine 1 in the predetermined order of transmission if the correct identification information is not sent back from any portable machine 1 in accordance with the start signal and the certification is not satisfied.

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