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    • 5. 发明公开
    • Tamper detection
    • Erfassung vonFälschungen
    • EP0933739A2
    • 1999-08-04
    • EP99300645.1
    • 1999-01-28
    • NEOPOST LIMITED
    • Herbert, Raymond JohnLee, Daniel John
    • G08B13/14
    • G08B13/14Y10T70/7915Y10T70/8216
    • A tamper evidence device for a secure housing (11, 12) containing electronic circuits (10) includes a zinc air cell (13) and a bi-stable latch circuit (17) connected to be powered by the cell. The zinc air cell requires a supply of oxygen for activation of the cell. Normally when the secure housing is intact and unbreached, a pad (16) seals an aperture (15) for ingress of oxygen to the cell and the cell does not generate any electrical power. However if the secure housing is opened or otherwise breached the pad is displaced and oxygen enters the cell and electrical power is generated to power the latch circuit and thereby set the bi-stable latch circuit to provide evidence of the breaching of the secure housing.
    • 用于包含电子电路(10)的安全壳体(11,12)的防篡改装置包括锌空气电池(13)和连接以由电池供电的双稳态锁存电路(17)。 锌空气池需要供应氧来激活电池。 通常,当安全壳体完整且未被破碎时,衬垫(16)密封用于将氧气进入电池的孔(15),并且电池不产生任何电力。 然而,如果安全壳体被打开或以其它方式被破坏,则焊盘被移动并且氧气进入电池并且产生电力来为闩锁电路供电,从而设置双稳态闩锁电路以提供破坏安全壳体的证据。
    • 9. 发明公开
    • Padlock with tamper-actuated audible and/or inaudible alarm
    • 与听觉和/或可听的报警装置,其挂锁由RAM激活。
    • EP0189147A1
    • 1986-07-30
    • EP86100608.8
    • 1986-01-17
    • Masoncup, John F.
    • Masoncup, John F.Mayer, Thomas J.
    • E05B45/08
    • E05B45/005E05B45/06E05B67/00Y10T70/459Y10T70/461Y10T70/491Y10T70/8216
    • @ A padlock comprises a battery-powered, built-in alarm which operates when the padlock's shackle (16) is severed or forced open. The battery (35) and alarm (39) can be tested by opening the lock with a key, rotating the short leg (17) of the shackle away from the lock body (10) and then depressing the shackle, or, optionally, by depressing the short leg. The alarm is turned on in response to the momentary closing of a switch when one shackle leg moves outwardly upon severance or forcible opening. The alarm may be an audible signal or an inaudible signal transmitted as a radio wave to a remote receiver at which an audible or visible signal is actuated. The audible signal generated at the lock escapes from the lock body through sound ports (43). Both audible and inaudible signals may be generated at the lock simultaneously.
    • 挂锁包括电池供电,内置报警其操作当挂锁的锁钩(16)被切断或撬开。 电池(35)和报警(39)可以通过用钥匙打开锁,从锁体(10)旋转所述钩环的短腿(17)的距离,然后压下钩环,或任选地,通过测试 压下短腿部,当一个钩环腿在遣散或强制开口向外移动该报警响应于开关的瞬间闭合导通。 该警报可以是在或可听信号,以mitted作为无线电波到远程接收器在其处可听或可视信号不可听信号反式被致动。 在锁定产生的可听信号从通过声音端口的锁体(43)逸出。 可闻和听不见的信号可以在锁定同时产生。