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热词
    • 2. 发明授权
    • Keypad entry electronic combination lock with self-generated combination
    • 键盘进入电子组合锁与自组合
    • US5873276A
    • 1999-02-23
    • US704109
    • 1996-08-28
    • Gerald Lee DawsonDaniel Lee ThompsonJames D. Hamilton
    • Gerald Lee DawsonDaniel Lee ThompsonJames D. Hamilton
    • G07C9/00E05B49/00
    • G07C9/00912G07C2009/00761Y10T70/7062Y10T70/7141Y10T74/18696
    • A combination lock and particularly an electronic combination lock used on a container that is typically housed within an enclosure having a door which further has a lock and a security switch indicating that the enclosure door has been opened may, be provided with a device to shunt a security signal around the switch associated with the enclosure door to shut off, override, or cancel the security switch signal. The lock may be provided with a shunt relay which effectively connects a signal from a voltage source to a monitor or alarm when the combination lock is opened, thereby signaling the monitor that the enclosure door was opened by an individual having the authorized combination for the combination lock. This indicates that the person opening the enclosure lock has a legitimate authorization to access the locked container within the enclosure and that the opening of the enclosure door may be reasonably ignored. Upon the locking of the combination lock and the closing of the enclosure door a brief alarm signal indicates that the combination lock has been locked and the enclosure closed.
    • 组合锁,特别是在容器上使用的组合锁,特别是电子组合锁,其通常容纳在具有门的外壳内,该门还具有锁和指示外壳门已经打开的安全开关,可以设置有用于分流 与机箱门关联的开关周围的安全信号,以关闭,覆盖或取消安全开关信号。 锁可以设置有分流继电器,其在组合锁打开时有效地将来自电压源的信号连接到监视器或报警器,从而向具有组合的组合的个人的信号通知监视器外壳门被打开 锁。 这表示打开机箱锁的人具有访问机箱内锁定的容器的合法授权,并且可能会合理忽略机柜门的打开。 在锁定组合锁和关闭外壳门时,短暂的报警信号表示组合锁已锁定,并且机箱关闭。