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61. 发明授权

US3879662A Differential amplifier sliding reference 失效
标题翻译：差分放大器滑动参考
公开(公告)号：US3879662A
公开(公告)日：1975-04-22
申请号：US48045074
申请日：1974-06-18
申请人： US ARMY
发明人： BARNECK CHARLES A
IPC分类号： G01R17/02 , G01R19/165 , H03K3/0233 , H03K5/20
CPC分类号： G01R19/1659 , G01R17/02 , H03K3/02337
摘要： A tolerance detector circuit comprising a differential amplifier circuit for comparing a signal to be measured with a reference voltage, a level sensor to indicate when the signal level differs from the desired values, and a means for allowing the reference voltage to slide or vary to achieve the desired in-tolerance range, while retaining the inherently high sensitivity of the differential amplifier.
摘要翻译：一种容差检测器电路，包括用于将待测量的信号与参考电压进行比较的差分放大器电路，用于指示信号电平何时与期望值不同的电平传感器，以及允许参考电压滑动或变化以实现的装置所需的公差范围，同时保持差分放大器固有的高灵敏度。

62. 发明授权

US3875523A Amplifier circuit for graphical recorder 失效
标题翻译：用于图形记录仪的放大器电路
公开(公告)号：US3875523A
公开(公告)日：1975-04-01
申请号：US36256473
申请日：1973-05-21
申请人： HEWLETT PACKARD CO
发明人： WADE JOHN M , HUFF DONALD W , FURMAN JEFFREY D
IPC分类号： H03F1/26 , G01R17/02 , H03F1/32 , H03F3/34 , H03F3/45 , H03F1/00
CPC分类号： G01R17/02 , H03F3/45479
摘要： In a recording or measuring instrument such as an x-y chart recorder, an amplifying circuit reduces the current flow into and out of circuit input terminals due to the presence of common mode voltage and/or noise source voltage from the unbalance capacitance in the instrument''s power transformer. The circuit utilizes operational amplifiers to drain the excess noise current and to provide a high input impedance to prevent current flow in response to a common mode voltage.
摘要翻译：在诸如xy图记录仪的记录或测量仪器中，由于来自仪器的电力变压器中的不平衡电容的共模电压和/或噪声源电压的存在，放大电路减少了进入和离开电路输入端的电流。该电路利用运算放大器来耗尽多余的噪声电流并提供高输入阻抗以防止响应于共模电压的电流。

63. 发明授权

US3821845A Method of making a linear film potentiometer having a circular configuration 失效
标题翻译：制造具有圆形配置的线性薄膜电位器的方法
公开(公告)号：US3821845A
公开(公告)日：1974-07-02
申请号：US26727772
申请日：1972-06-29
申请人： SPRAGUE ELECTRIC CO
发明人： HUKEE V , TRAVIS W
IPC分类号： H01C17/242 , H01C17/00 , G01R17/02
CPC分类号： H01C17/242 , Y10T29/49004 , Y10T29/49099
摘要： Extreme linearity of a film potentiometer is instantaneously obtained by a computerized sectioning method. A circular film potentiometer track is sectioned off for the purposes of trimming the track, the number of sections being determined by the extent of linearity desired. A computerized contact point board programmed to produce a particular linearity for the circular track is then brought into contact with the track. On contact, current begins to flow through the resistance track producing a particular voltage at each sectionalized contact point area thereon. The voltage produced at each contact area, with reference to ground, is instantaneously compared to an electronically generated desired voltage. Every time the voltage across a particular section varies below the standard or desired comparison voltage, a laser beam cuts radially into the potentiometer track until the desired voltage is achieved. The laser beam moves along through each section of the track and the procedure advantageously provides reproducible results therefor, instantaneously.
摘要翻译：通过电脑切片方法即时获得薄膜电位器的极限线性度。为了修整轨道而将圆形薄膜电位器轨道分开，段的数量由所需的线性程度确定。编程为产生圆形轨道的特定线性度的计算机化接触点板然后与轨道接触。在接触时，电流开始流过电阻轨迹，在其上的每个分段接触点区域产生特定的电压。每个接触区域相对于地面产生的电压与电子产生的期望电压相比较。每当特定部分的电压变化到标准或期望的比较电压以下时，激光束径向切断到电位器轨道，直到达到所需的电压。激光束沿着轨道的每个部分移动，并且该过程有利地立即提供可重现的结果。

64. 发明授权

US3725782A Potentiometric measuring device with multiple stage counter mechanism 失效
标题翻译：具有多级计数器机构的电位测量装置
公开(公告)号：US3725782A
公开(公告)日：1973-04-03
申请号：US3725782D
申请日：1970-07-09
申请人： WAVETEK
发明人： NAIVE J , VAN BENSCHOTEN P
IPC分类号： G01R1/28 , G01R17/02
CPC分类号： G01R1/28
摘要： In a potentiometric measuring counter assembly comprising rotary counters corresponding to successive orders of integers, the transfer means from each lower order counter to the next higher order counter is unidirectional to transmit a carry from the lower order counter to the higher order counter but to prevent the higher order counter from operating the lower order counter.
摘要翻译：在包括与连续的整数顺序相对应的旋转计数器的电位计量计数器组件中，从每个下位计数器到下一个较高阶计数器的传送装置是单向的，以将低位计数器的进位传送到高阶计数器，操作较低阶计数器的高阶计数器。

65. 发明授权

US3609545A Handheld measuring instrument with multiple controls operable by the holding hand 失效
标题翻译：手持式测量仪器，具有多个控制操作
公开(公告)号：US3609545A
公开(公告)日：1971-09-28
申请号：US3609545D
申请日：1969-09-10
申请人： PYRO SERV INSTR INC
发明人： ENGELHARD WILLIAM E
IPC分类号： G01K1/02 , G01K7/02 , G01R1/04 , G01R17/02
CPC分类号： G01K7/021 , G01K1/02
摘要： A hand-grasped measuring instrument having a plurality of controls all of which are separately and selectively operable by the fingers and thumb of the hand grasping the instrument.

66. 发明授权

US3593130A A circuit for a sorting unit of a programmed automatic measuring device especially adapted for testing of integrated control circuits 失效
标题翻译：适用于综合控制电路测试的编程自动测量装置分选单元电路
公开(公告)号：US3593130A
公开(公告)日：1971-07-13
申请号：US3593130D
申请日：1968-10-01
申请人： MOLEKULARELEKTRONIK
发明人： TRAUTMANN HELMUT
IPC分类号： G01R31/3193 , G01R17/02
CPC分类号： G01R31/3193
摘要： A circuit for a programmed automatic measuring device, especially for integrated circuit testers comprising a plurality of input logics for determining the conformity of measured test results with predetermined standards, with two parallel AND gates, one with input negation, and an OR gate with output negation arranged in series with the AND gates; flip-flops in series with the input logics; and means for automatically conforming the test result to the respective standard if the respective test results is not to be evaluated.

67. 发明授权

US3532975A Instrument for measuring potentials on two-dimensional electric field plots 失效
标题翻译：用于测量二维电场屏幕上的电位的仪器
公开(公告)号：US3532975A
公开(公告)日：1970-10-06
申请号：US3532975D
申请日：1968-07-31
申请人： T O PAINE , NASA
发明人： WOODS GEORGE M JR , DAMERON CHARLIE E , BOIES ROBERT D
IPC分类号： G01R5/28 , G01R29/24 , G01R17/02
CPC分类号： G01R29/24 , G01R5/28

68. 发明授权

US3418571A Automatic self-balancing remote measuring system of an impedance responsive process variable 失效
标题翻译：自动自平衡远程测量系统的阻抗响应过程变量
公开(公告)号：US3418571A
公开(公告)日：1968-12-24
申请号：US63785667
申请日：1967-05-11
申请人： HITACHI LTD
发明人： KENICHI ISODA , NAOYA ONO
IPC分类号： G01R17/02
CPC分类号： G01R17/02

69. 发明授权

US3323054A Self-balancing measuring system having anti-hunt magnetic means for slider damping 失效
标题翻译：自平衡测量系统，具有用于滑块阻尼的抗狩猎磁力装置
公开(公告)号：US3323054A
公开(公告)日：1967-05-30
申请号：US25600463
申请日：1963-02-04
申请人： TOA ELECTRONICS
发明人： MASANORI YASUI
IPC分类号： G01R17/02
CPC分类号： G01R17/02

70. 发明授权

US3191110A Voltage-measuring potentiometric system 失效
标题翻译：电压测量电位计系统
公开(公告)号：US3191110A
公开(公告)日：1965-06-22
申请号：US22231862
申请日：1962-09-10
申请人： TAYLOR INSTRUMENT CO
发明人： EVANS WILLIAM C
IPC分类号： G01R17/02
CPC分类号： G01R17/02

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