Wireless detonation system, relay device for wireless detonation system, and wireless detonation method using wireless detonation system
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United States of America Patent
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Sep 24, 2024
Grant Date -
Sep 14, 2023
app pub date -
Jul 12, 2021
filing date -
Jul 12, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless detonation system (1) includes a blasting operation device (40), a detonator (10), and a relay device (30). The blasting operation device (40) is disposed at a distance from a blasting face (71) and wirelessly transmits a first downstream signal at a first frequency. The detonator (10) is loaded in a blast hole (72) in the blasting face (71), and has a receiving coil (12) for wirelessly receiving a second downstream signal at a second frequency lower than the first frequency. A relay device (30) includes a first transmitting-receiving antenna (35) that wirelessly receives the first downstream signal, a relay processor (32) that wirelessly receives the first downstream signal and processes it into the second downstream signal to be wirelessly transmitted at the second frequency, and a second transmitting-receiving antenna (37) that transmits the second downstream signal. The second transmitter-receiver antenna (37) is loaded into an insertion hole (74) in the blasting face (71) aligned with the blast hole (72).
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