The figure shows a circuit trigger circuit for a delayed flash trigger: with some steady-state or non-steady-state circuits, at least one of which is steady-state and designed to initiate the desired transition when a suitable pulse is applied. .
The civil air defense alarm control system is a wireless dual control system developed specifically for civil air defense alarms. This system utilizes wired or civil air defense wireless dedicated frequency points, equipped with alarm controllers (control units, radio stations, wireless modems, wired interfaces), computers, etc., to automatically release and manage various alarms in the civil air defense alarm system The system equipment is easy to operate, with functions such as state echo and network management, as well as anti-interference and encryption (anti hostile sabotage) functions. Communication is reliable and efficient.
Control device, control unit, Alert system, Safety warning system, Warning device
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