WIRELESS DETONATION SYSTEM, WIRELESS DETONATION METHOD, AND DETONATOR AND EXPLOSIVE UNIT USED IN SAME

摘要

A wireless detonator (10) is provided with: a detonation part (10A); a control part (10B) for igniting the detonation part, the control part (10B) being connected to the detonation part; a tube (10X) for accommodating the detonation part and the control part; and a detonation-side antenna (30) used by the control part for wireless communication and capable of being used for sending and receiving without separately having a transmission-only antenna and a reception-only antenna; the detonation-side antenna (30) being a soft magnetic body coil antenna, and the control part (10B) receiving, via the detonation-side antenna (30), a transmission signal at an operating frequency of 100-500 KHz.