Electronic time fuze

Details Electronic time fuze Electronic time fuze

1993-09-16

1995-08-15

Pihulic, Daniel T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

F23Q 702

Patent

active

054409900

ABSTRACT:
An electronic time fuse for controlling and initiating the explosion of an explosive is provided. The fuse comprises a timing circuit, an energy storage means, and a explosion initiation means. The fuse is initially connected through a two-wire interface to a local control unit (LCU). The LCU tests the integrity of the fuse, charges the energy storage means, measures the clock accuracy of the fuse, compensates for any inaccuracy of the fuse clock, loads timing information into the fuse, and commands the fuse to begin a timing sequence toward explosion. The fuse responds to LCU commands. The fuse ignores signals present on the two-wire interface for a period of time after the command to begin the timing sequence toward explosion is given. The fuse also monitors the status of the two-wire interface and the signals present on it and resets the fuse to an inert state if any irregularities are detected.

REFERENCES:
patent: 3500746 (1970-03-01), Ambrosini
patent: 3934514 (1976-01-01), Dawkins
patent: 4409897 (1983-10-01), Kirby et al.
patent: 4986183 (1991-01-01), Jacob et al.
patent: 5097765 (1992-03-01), Ziemba
patent: 5173569 (1992-12-01), Pallanck et al.

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