公开(公告)号：US4560891A

公开(公告)日：1985-12-24

申请号：US509950

申请日：1983-06-30

申请人： Lawrence J. Ryczek

发明人： Lawrence J. Ryczek

IPC分类号： H03K5/13 ,  H03K17/94

CPC分类号： H03K17/941 ,  H03K5/13

摘要： A delay circuit 2 utilizes two comparator timers 4 and 6 and a minimum of logic to achieve a combination ON/OFF delayed function. The comparator timers 4 and 6 are resettable independently of each other such that each respective ON or OFF delay function may begin retiming without waiting for the other delay function to time out if the input signal transitions back and forth before the end of the respective ON or OFF delay. The delayed circuit 2 is ideal for proximity switch applications, particularly photoelectric type proximity switches, for providing a delayed output signal following a given sensed condition.

摘要翻译： 延迟电路2利用两个比较器定时器4和6以及最小逻辑来实现组合ON / OFF延迟功能。 比较器定时器4和6可以彼此独立地复位，使得每个相应的ON或OFF延迟功能可以开始重新定时，而不等待另一个延迟功能超时，如果输入信号在各自的ON之前来回转来， OFF延迟。 延迟电路2是接近开关应用，特别是光电式接近开关的理想选择，用于在给定的感测条件之后提供延迟的输出信号。

公开(公告)号：US5734263A

公开(公告)日：1998-03-31

申请号：US597316

申请日：1996-02-06

申请人： Lawrence J. Ryczek ,  Michael G. Taranowski

发明人： Lawrence J. Ryczek ,  Michael G. Taranowski

IPC分类号： G01R15/24 ,  G01R19/00

CPC分类号： G01R15/242

摘要： In an electro-optic voltage transducer utilizing a crystal exhibiting birefringence in a fast axis and a slow axis mutually orthogonal to an optic axis in the presence of an electric field produced by the voltage to be measured, the crystal is mounted for angular adjustment relative to the direction of propagation of a light beam passing through the crystal and polarized at an angle to the fast and slow axes to provide adjustment of the effective half-wave voltage of the crystal. Preferably, the crystal is a disk mounted for rotation about an axis perpendicular to the optic axis by temperature sensitive mounts extending perpendicular to radii of the disk in order to provide temperature compensation. Greater angular adjustment, which extends unambiguous voltage measurement above the natural half-wave voltage of the crystal, is provided by securing the temperature responsive mounts to a rotatable support disk. An analyzer measures the relative retardation between the fast and slow components of the polarized light beam emerging from the crystal for generating an output representing the value of the applied voltage.

摘要翻译： 在电光电压传感器中，在由待测电压产生的电场存在的情况下，利用在快轴和与光轴相互正交的慢轴的晶体呈现双折射，所述晶体安装成相对于 通过晶体的光束的传播方向并以与快轴和慢轴成一定角度偏振，以提供晶体的有效半波电压的调节。 优选地，晶体是通过垂直于盘的半径延伸的温度敏感的安装件来安装的用于围绕垂直于光轴的轴线旋转的盘，以便提供温度补偿。 通过将温度响应安装件固定到可旋转的支撑盘上，提供了更大的角度调节，其将明确的电压测量扩展到晶体的自然半波电压之上。 分析器测量从晶体出射的偏振光束的快速和慢速分量之间的相对延迟，用于产生表示施加电压值的输出。

公开(公告)号：US5508606A

公开(公告)日：1996-04-16

申请号：US232936

申请日：1994-04-25

申请人： Lawrence J. Ryczek

发明人： Lawrence J. Ryczek

IPC分类号： G01R15/18 ,  G01R33/00

CPC分类号： G01R19/20 ,  G01R15/185

摘要： Direct current can be measured by passing a conductor carrying the current through the core of a toroidal transformer having a bias winding and a sensing winding. A pulse generator send pulses of magnetization current through the sensing winding so that the magnetization current produces a magnetic flux in the core which opposes a magnetic flux produced by the direct current carried by the conductor. A sensing circuit, connected to the sensing winding, detects the level of current through that winding to produce a measurement of the direct current carried by the conductor. A constant direct current is applied through the bias winding to increase the magnetic flux produced by the direct current carried by the conductor. Biasing the magnetic flux enables even small currents flowing through the conductor to be measured. Another version of the current sensor uses two transformers to measure direct current flowing in either direction in the conductor and provides an indication of that current's polarity.

摘要翻译： 可以通过使承载电流的导体通过具有偏置绕组和感测绕组的环形变压器的铁芯来测量直流电流。 脉冲发生器通过感测绕组发送磁化电流的脉冲，使得磁化电流在芯中产生与由导体承载的直流产生的磁通相反的磁通量。 连接到感测绕组的感测电路检测通过该绕组的电流电平，以产生由导体携带的直流电流的测量值。 通过偏置绕组施加恒定的直流电流，以增加由导体承载的直流电流产生的磁通量。 减小磁通量使得能够测量流过导体的小电流。 电流传感器的另一个版本使用两个变压器来测量导体中任一方向上的直流电流，并提供该电流极性的指示。

公开(公告)号：US5502373A

公开(公告)日：1996-03-26

申请号：US260138

申请日：1994-06-15

申请人： Lawrence J. Ryczek ,  Ruth E. Hubbell

发明人： Lawrence J. Ryczek ,  Ruth E. Hubbell

IPC分类号： G01R15/24 ,  G01R31/00

CPC分类号： G01R15/246

摘要： An electric current is measured by a device that includes a magneto-optical element which acts as a Faraday rotator wherein a plane of polarization of polarized light passing therethrough is rotated as a function of a magnetic field surrounding that element. A light emitter and polarizer send a polarized light beam through the magneto-optical element. First and second light detectors are located within the single beam of light emerging from the magneto-optical element. Associated with the two detectors are separate polarizers respectively oriented at -45 degrees and +45 degrees to a polarization plane of the light beam emerging from the magneto-optical element when no electric current flows through the conductor. The magnitude of the current in the conductor is determined by comparing signals from the two light detectors.

摘要翻译： 电流由包括作为法拉第旋转器的磁光元件的装置测量，其中通过其的偏振光的偏振面作为围绕该元件的磁场的函数而旋转。 光发射器和偏振器通过磁光元件发送偏振光束。 第一和第二光检测器位于从光磁元件出射的单光束内。 与两个检测器相关联的是当没有电流流过导体时，分离的偏振器分别取向于与磁光元件出射的光束的偏振平面-45度和+45度。 通过比较来自两个光检测器的信号来确定导体中的电流的大小。

公开(公告)号：US5150174A

公开(公告)日：1992-09-22

申请号：US674247

申请日：1991-03-25

申请人： Lawrence J. Ryczek ,  Michael G. Taranowski ,  Eugene F. Duncan

发明人： Lawrence J. Ryczek ,  Michael G. Taranowski ,  Eugene F. Duncan

IPC分类号： G01J3/50 ,  G01J5/60 ,  G01N21/47

CPC分类号： G01J3/50 ,  G01J3/501 ,  G01N21/474

摘要： At least one pair of light emitting diodes (LEDs) is disposed to direct a beam of common discrete chromaticity each to a separate target area located at different distances from a centrally disposed photodetector. Upon pulsing of the diodes at a common time, the photodetector receives the sum of the diffused light reflected from a target disposed at a location between the separate target areas to substantially reduce the affects of variation in distance of a target from the photodetector. The photodetector output is corrected for the effects on the LEDs of variations in ambient temperature.

公开(公告)号：US4595848A

公开(公告)日：1986-06-17

申请号：US509948

申请日：1983-06-30

申请人： Lawrence J. Ryczek

发明人： Lawrence J. Ryczek

IPC分类号： H03K5/135 ,  H03K17/94 ,  H03K5/13 ,  H03K5/159

CPC分类号： H03K5/135 ,  H03K17/941

摘要： An adjustable frequency ON/OFF delay circuit 2 is provided by ON and OFF delay counters 6 and 14 and respective adjustable frequency oscillators 4 and 20. The ON delay counter 6 is enabled by an input ON signal and clocked by its oscillator 4 to a given count for outputting a delayed output ON signal. This counter 6 is disabled by an input OFF signal and outputs the OFF signal without delay. The second counter 14 responds to the first counter 6 for outputting the delayed output ON signal without further delay, and for delaying the output OFF signal. Circuit 2 is ideal for proximity switch applications, particularly photoelectric type proximity switches, for providing a delayed output signal following a given sensed condition.

摘要翻译： ON / OFF延迟电路2由ON和OFF延迟计数器6和14以及相应的可变频率振荡器4和20提供。ON延迟计数器6由输入ON信号使能，并由其振荡器4给定给定 用于输出延迟输出ON信号的计数。 该计数器6被输入OFF信号禁止，并且无延迟地输出OFF信号。 第二计数器14响应于第一计数器6用于输出延迟的输出导通信号而不进一步延迟，并且用于延迟输出OFF信号。 电路2是接近开关应用，特别是光电式接近开关的理想选择，用于在给定的感测条件之后提供延迟的输出信号。

公开(公告)号：US4521748A

公开(公告)日：1985-06-04

申请号：US509951

申请日：1983-06-30

申请人： Lawrence J. Ryczek ,  William J. Janutka

发明人： Lawrence J. Ryczek ,  William J. Janutka

IPC分类号： H03K3/0231 ,  H03K17/94 ,  H03K3/023

CPC分类号： H03K17/941 ,  H03K3/0231

摘要： An adjustable frequency oscillator 2 is provided by a comparator timer 4 having a potentiometer 6 at its output 8 for concurrently changing both charging current and threshold trip voltage to control the frequency of oscillation of the comparator output. The oscillator is ideal for proximity switch applications, particularly photoelectric type proximity switches, for timing a delayed output signal following a given sensed condition.

摘要翻译： 可变频振荡器2由比较器定时器4提供，比较器定时器4在其输出端8具有电位器6，用于同时改变充电电流和阈值跳闸电压，以控制比较器输出的振荡频率。 振荡器是接近开关应用，特别是光电式接近开关的理想选择，用于在给定的感测条件下定时延迟的输出信号。

公开(公告)号：US4521694A

公开(公告)日：1985-06-04

申请号：US509952

申请日：1983-06-30

申请人： Lawrence J. Ryczek ,  William J. Janutka

发明人： Lawrence J. Ryczek ,  William J. Janutka

IPC分类号： G01R17/00 ,  H03K5/159

CPC分类号： G01R17/00

摘要： A comparator timer 2 is disclosed in which charging current and threshold trip voltage are both adjusted with a single potentiometer 6. Moving the pot wiper 8 in one direction increases the threshold trip voltage at the reference input terminal 12 of the comparator 4, such as the minus terminal of an operational amplifier, and at the same time decreases the capacitor charging current to the comparing input terminal 16, such as the plus terminal of the op amp, to lengthen the timing interval. Moving the pot wiper 8 in the other direction decreases threshold trip voltage and concurrently increases capacitor charging current to shorten the timing interval. The circuit affords expanded timing range, reduced power consumption and improved adjustment resolution, which are ideal for proximity switch applications, particularly photoelectric type proximity switches.

摘要翻译： 公开了一种比较器定时器2，其中充电电流和阈值跳闸电压都用单个电位计6进行调整。一个方向移动电位器抽头8增加比较器4的参考输入端子12处的阈值跳闸电压，例如 并且同时将比较输入端子16（例如运算放大器的正端）的电容器充电电流减小，以延长定时间隔。 在另一方向移动锅盖8降低阈值跳闸电压，同时增加电容器充电电流以缩短定时间隔。 该电路提供扩展的定时范围，降低的功耗和改进的调整分辨率，这对于接近开关应用，特别是光电式接近开关是理想的。