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Patent Searching and Data


Title:
REMOTE TRIGGERING DEVICE
Document Type and Number:
Japanese Patent JPH10239000
Kind Code:
A
Abstract:

To trigger explosion in various modes by providing a command unit for receiving a reply to a radio wave transmitted at a specified frequency from a remote plate and demodulating the reply as a message indicative of a specified state and then operating the remote triggering device body with a command delivered from the command unit.

The remote triggering device comprises a command unit 1 for transmitting/receiving a radio wave at a specified frequency to/from a remote plate and demodulating the received radio wave as a message indicative of a specified state, and a remote triggering device body 2 operable upon receiving a command from the command unit 1. The remote triggering device body 2 comprises a triggering device 3 for receiving a radio wave transmitted at a specified frequency from the command unit 1a and demodulating the received radio wave to decode a commanded message and then delivering a command signal to a firing unit or transmitting the operating state thereof as a digital signal at a specified frequency. Among signals delivered from the triggering device 3, the firing unit 4 is fired by a firing signal and an explosive compound 5 is exploded.


Inventors:
YAMAMURA SHIGERU
TANIZAWA SATOSHI
ICHIJIMA MASATO
Application Number:
JP5994597A
Publication Date:
September 11, 1998
Filing Date:
February 26, 1997
Export Citation:
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Assignee:
ISHIKAWA SEISAKUSHO KK
International Classes:
F42D1/05; H04Q9/00; (IPC1-7): F42D1/05; H04Q9/00