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公开(公告)号：US780770A
公开(公告)日：1905-01-24
申请号：US1904207279
申请日：1904-05-10
Applicant: WOOD JAMES J
Inventor： WOOD JAMES J
CPC classification number: F16C39/063 , F16C2370/00 , G01R1/10
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公开(公告)号：US08278948B2
公开(公告)日：2012-10-02
申请号：US12721211
申请日：2010-03-10
Applicant: Timothy M. Johnson
Inventor： Timothy M. Johnson
CPC classification number: G01R1/10 , G06F21/86 , G08B13/128 , G08B13/1418 , G08B13/1445 , H05K1/0215 , H05K1/0268 , H05K1/0275 , H05K1/0293 , H05K5/0208 , H05K7/1417 , H05K2201/10151 , H05K2201/10409
Abstract: An electronic device has a chassis, and a printed wiring board (PWB) having a hole. A fastener is installed in the hole thereby securing the PWB to the chassis. A pair of conductive traces is formed in the PWB. A cap, being an amount of conductive glue, covers a part of the fastener and fills an electrically insulating gap between the two traces, to thereby form a conductive path that connects the two traces. A sensing circuit is coupled to the traces, to detect a change in impedance of the path and signal a tamper event alert. Other embodiments are also described and claimed.
Abstract translation: 电子设备具有底盘和具有孔的印刷电路板（PWB）。 紧固件安装在孔中，从而将PWB固定到底盘。 在PWB中形成一对导电迹线。 作为导电胶的量的盖子覆盖紧固件的一部分并且填充两个迹线之间的电绝缘间隙，从而形成连接两个迹线的导电路径。 感测电路耦合到迹线，以检测路径的阻抗变化并发出篡改事件警报信号。 还描述和要求保护其他实施例。
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24.发明授权Apparatus for measuring an electrical quantity with an adjustable zero position and double pivot arrangement 失效用于测量具有可调零位置和双重枢轴布置的电量的装置
公开(公告)号：US4956601A
公开(公告)日：1990-09-11
申请号：US361934
申请日：1989-06-05
Applicant: Jacques Palencher , Gabriel Jaillant
Inventor： Jacques Palencher , Gabriel Jaillant
CPC classification number: G01R1/10
Abstract: Apparatus for measuring an electrical quantity comprises a fixed body and a movable device having a pivot shaft fixed to an indicator needle which moves in front of a graduated scale. The movable device is pivotably mounted in the fixed body by pivot pins and corresponding bearings. The pivot pins are provided at the ends of the shaft while the bearings face the pins on the fixed body. The movable device is further supported relative to the fixed body by knives and corresponding bearings which receive edges of the knives. The knives are fixed to the movable device and the bearings are provided near the ends of the shaft. The edges of the knives and the pivot pins together with the corresponding bearings are aligned with each other.
Abstract translation: 用于测量电量的装置包括固定体和可移动装置，其具有固定在指示针上的枢轴，该指针针在刻度尺前移动。 可移动装置通过枢轴销和对应的轴承可枢转地安装在固定体中。 枢轴销设置在轴的端部，而轴承面对固定体上的销钉。 可移动装置通过接收刀的边缘的刀和对应的轴承相对于固定体进一步被支撑。 刀被固定到可移动装置，并且轴承设置在轴的端部附近。 刀和枢轴销的边缘与相应的轴承一起对准。
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Patent Agency Ranking26.发明授权Shock-absorbing bearing for movable elements of small mechanisms, notably of measuring instrument 失效减震轴承用于可移动元件的小型机构，特别是测量仪器
公开(公告)号：US3005667A
公开(公告)日：1961-10-24
申请号：US82576959
申请日：1959-07-08
Applicant: PARECHOC SA
Inventor： EDOUARD LORETAN
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公开(公告)号：US2745062A
公开(公告)日：1956-05-08
申请号：US27353352
申请日：1952-02-26
Applicant: MEDICUS GUSTAV K
Inventor： MEDICUS GUSTAV K
IPC: G01R1/10
CPC classification number: G01R1/10
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公开(公告)号：US2713523A
公开(公告)日：1955-07-19
申请号：US27353152
申请日：1952-02-26
Applicant: MEDICUS GUSTAV K
Inventor： MEDICUS GUSTAV K
CPC classification number: F16C39/063 , F16C2370/00 , G01R1/10
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公开(公告)号：US2658805A
公开(公告)日：1953-11-10
申请号：US9583249
申请日：1949-05-27
Applicant: GEN ELECTRIC
Inventor： MENDELSOHN LEWIS I
IPC: G01R1/10
CPC classification number: G01R1/10 , F16C32/0427 , F16C2370/00
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