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    • 1. 发明授权
    • Gun launched, digital, variable time fuze
    • GUN发起,数字,可变时间
    • US3793957A
    • 1974-02-26
    • US3793957D
    • 1972-01-18
    • US NAVY
    • STOUT LBUTLER RMORRIS J
    • F42C11/06F42C19/06F42C13/00
    • F42C11/065F42C19/06
    • A variable time fuze for a gun launched projectile comprises a digital electronic counter which is preset by insertion of a coded key into a slot within which are spring loaded contacts. The number which is preset in the counter depends on the pattern of conductive and non-conductive areas inscribed on the key. A clock circuit provides pulses to the counter which initiates a squib-firing network when the preset number is reached. Time delay circuits are provided to prevent accidental firing of the squib, to strobe the preset number into the counter and to allow the counter to stabilize before application of the clock pulses.
    • 用于发射枪的投射弹的可变时间引信包括数字电子计数器,其通过将编码密钥插入到其中是弹簧加载的触点的槽中来预设。 在计数器中预设的数字取决于键上刻有导电和非导电区域的图案。 时钟电路向计数器提供脉冲,当达到预设数量时,该脉冲启动点火发射网络。 提供时间延迟电路以防止爆管的意外点火,将预设的数字选通到计数器中,并允许计数器在施加时钟脉冲之前稳定。