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    • 1. 发明授权
    • Pop up sprinkler riser-clamp
    • 弹出喷水器提升钳
    • US07594615B1
    • 2009-09-29
    • US11642398
    • 2006-12-20
    • William B. Moore
    • William B. Moore
    • A01G25/06
    • A01G25/09A01G25/02A01G25/06
    • A handheld pop-up sprinkler riser-clamp for allowing sprinkler heads to be held in upright raised positions for maintenance work. A plastic block can have a side U-shaped cut-out with a continuous slot therebetween. A midportion of the U-shaped slot can have a widened opening that is greater in diameter than the rest of the U-shaped slot. The ends of the U-shaped cut-out can be held together with a screwable member. In operation the widened opening can be slipped over the raised head of the sprinkler head, and then the narrow portion of the clamp member is slid upon the exposed barrel neck of the sprinkler head and snapped into place so that the clamp holds and restricts the sprinkler head from moving back into its' base. The screwable fastener can adjust the width opening of the U-shaped slot as needed for different diameter necks. Maintenance workers can easily carry plural clamp members on their persons and in their pockets to easily slip on and look sprinkler heads in upright positions for maintenance service work. The invention does not damage sprinkler heads, requires few if any tools and allows maintenance work in substantially less time than using tools such as pliers and the like.
    • 一个手持式弹出式喷洒器提升管夹,用于将喷头保持在直立的提升位置进行维护工作。 塑料块可以具有侧面U形切口,其间具有连续的狭槽。 U形槽的中间部分可以具有比其它U形槽更大的直径的开口。 U形切口的端部可以与可旋转构件保持在一起。 在操作中,加宽的开口可以滑过喷头的凸起头部,然后夹紧构件的窄部分在喷洒头的暴露的筒颈上滑动并卡入到位,使得夹具保持并限制喷洒器 头从回到它的基地。 可旋转紧固件可以根据不同直径颈部的需要调节U形槽的宽度开口。 维修人员可以轻松地将人员和口袋中的多个夹具放置在容易滑动的位置,并将喷头置于直立位置进行维护工作。 本发明不会损坏喷头,因此如果使用任何工具,并且允许维护工作的时间比使用诸如钳子等的工具要少得多。
    • 2. 发明授权
    • Ranging quadrature doppler microwave intrusion alarm system
    • 测距正交多普勒微波入侵报警系统
    • US4286260A
    • 1981-08-25
    • US74502
    • 1979-09-11
    • David N. GershbergAlexander Y. Lee, Jr.William B. Moore
    • David N. GershbergAlexander Y. Lee, Jr.William B. Moore
    • G01S13/56G08B13/18
    • G01S13/56G01S7/036
    • Movement of an object (intruder) in a specified area is sensed by transmitting microwave energy from an antenna (10) that also receives energy reflected from the intruder, where the received energy is quadrature processed using Doppler techniques. Connected to the antenna (10) is a transceiver (12) that includes a quadrature mixer (48) coupled to an RF oscillator (50) through an RF switch (52). The RF switch (52) is controlled by a switch driver (54) to provide pulse energy from the antenna (10). Doppler outputs E.sub.1 and E.sub.2 from transceiver (12) are processed in the same manner except for a 90-degree phase lead applied to the Doppler output E.sub.2 by a phase lead network (18). Doppler outputs E.sub.1 and E.sub.2 (E.sub.2 90-degree phase shifted) are applied simultaneously to a sum and signature processor (24) and to a difference and signature processor (22). The sum and signature processor provides the "approach" receiving signal and processes the signature to further reduce the nuisance alarm rates. The difference and signature processor (22) provides the "recede" receiving signal and similarly processes the signature to reduce nuisance alarms. Outputs of the processors (22) and (24) are respectively applied to rectifiers (32) and (28) and to integrators (34) and (30) which are similar in design and serve to rectify, amplify and filter the inputs applied thereto. A voltage comparator (36) responds to the output of the integrators (34) and (30) to trigger an alarm (38) when the voltage difference between the outputs of the integrators reaches a predetermined magnitude.
    • 通过从也接收从入侵者反射的能量的天线(10)发射微波能量来感测对象(入侵者)在指定区域中的移动,其中接收的能量使用多普勒技术进行正交处理。 连接到天线(10)的是收发器(12),其包括通过RF开关(52)耦合到RF振荡器(50)的正交混频器(48)。 RF开关(52)由开关驱动器(54)控制,以提供来自天线(10)的脉冲能量。 来自收发器(12)的多普勒输出E1和E2以相同的方式进行处理,除了由相位引导网络(18)施加到多普勒输出E2的90度相位引线。 多普勒输出E1和E2(E2 90度相移)同时应用于和和签名处理器(24)和差分签名处理器(22)。 总和签名处理器提供“接近”接收信号并处理签名以进一步减少烦扰报警率。 差分和签名处理器(22)提供“后退”接收信号,并且类似地处理签名以减少有害警报。 处理器(22)和(24)的输出分别施加到整流器(32)和(28)以及在设计上类似的并且用于整流,放大和滤波施加到其上的输入的积分器(34)和(30) 。 当积分器的输出之间的电压差达到预定值时,电压比较器(36)响应积分器(34)和(30)的输出以触发报警器(38)。