公开(公告)号：US4617662A

公开(公告)日：1986-10-14

申请号：US560669

申请日：1983-12-12

申请人： John H. Auer, Jr. ,  Henry C. Sibley ,  Leslie C. Stewart

发明人： John H. Auer, Jr. ,  Henry C. Sibley ,  Leslie C. Stewart

IPC分类号： B61L7/08 ,  G06F11/10 ,  G06F11/08

CPC分类号： G06F11/10 ,  B61L7/088

摘要： A vital communication system connects an input location to an output location using a non-vital communication link. In addition to transmitting, from the input location to the output location, a word with a bit dedicated to each different input, a system check word is transmitted. Each different input is assigned a unique multi-bit value, and the system check word comprises a linear combination of the unique multi-bit values for each of the inputs in a given binary state. Thus, there is a relationship between the transmitted words with bits dedicated to each input line and the system check word. At the output location, this correspondence is checked for. In addition, a further check is employed which first produces an output check word made up of a linear combination of the unique names for each output which are not in the given binary state. This output check word is then linearly combined with the received system check word. In the absence of a failure, the result of this linear combination of the output check word and the system check word should be constant regardless of the particular condition of different inputs and outputs, so long as the output and inputs actually correspond. Apparatus is provided to check for this constant result.

摘要翻译： 重要的通信系统使用非重要的通信链路将输入位置连接到输出位置。 除了从输入位置向输出位置发送具有专用于每个不同输入的位的单词之外，还发送系统检查字。 每个不同的输入被分配唯一的多位值，并且系统检查字包括给定二进制状态中每个输入的唯一多位值的线性组合。 因此，发送的字与专用于每个输入行和系统检查字的位之间存在关系。 在输出位置，检查该对应关系。 另外，进一步检查，其首先产生由不是给定二进制状态的每个输出的唯一名称的线性组合组成的输出检查词。 然后，该输出检查字与接收到的系统检查字线性组合。 在没有故障的情况下，只要输出和输入实际对应，输出检查字和系统检查字的这种线性组合的结果应该是恒定的，而不管不同的输入和输出的特定条件。 提供设备来检查这个恒定的结果。

公开(公告)号：US3991958A

公开(公告)日：1976-11-16

申请号：US589113

申请日：1975-06-23

申请人： Henry C. Sibley ,  John H. Auer, Jr. ,  Willis R. Smith

发明人： Henry C. Sibley ,  John H. Auer, Jr. ,  Willis R. Smith

IPC分类号： B61L3/12 ,  B61L3/22 ,  B61L21/10 ,  B61L21/06

CPC分类号： B61L3/225 ,  B61L21/10 ,  B61L27/0038 ,  B61L3/121

摘要： The control system operates vehicles over a right-of-way divided into a plurality of zones and selects the direction of traffic along the right-of-way. The presence of a vehicle is sensed when it enters the zone from either direction and the occupancy of the zone is registered. The occupancy registration is indicated by a magnetically actuated switch to operatively control restrictive aspects in accordance with selected number of zones behind the leading vehicle relative to the selected direction of traffic.

摘要翻译： 控制系统通过划分为多个区域的右路操作车辆，并且沿着右路选择交通的方向。 当车辆从任一方向进入该区域并且该区域的占用被登记时，感测车辆的存在。 占用登记由磁力驱动的开关指示，以根据所选车辆的相对于所选择的行驶方向的选定数量的区域来操作地控制限制性方面。

公开(公告)号：US4118750A

公开(公告)日：1978-10-03

申请号：US759304

申请日：1977-01-14

申请人： John H. Auer, Jr. ,  Henry C. Sibley

发明人： John H. Auer, Jr. ,  Henry C. Sibley

IPC分类号： B61L1/18 ,  H01H47/00 ,  H01H47/22

CPC分类号： B61L1/188 ,  H01H47/002 ,  H01H47/20

摘要： There is disclosed a circuit for energizing a vital relay in response to an input signal that is modulated between two frequencies. A discriminator circuit responds to the modulated frequencies and alternately produces an output patented of one polarity and then a reverse polarity in response to the modulated signals. Coupled between the discriminator and the vital relay is a relay driver which responds to the output of the discriminator and energizes the vital relay. A d.c. power supply is coupled to the relay driver. The vital relay includes two windings. Failure of the modulation, the d.c. source or virtually any circuit element, will result in release of the vital relay. The disclosed embodiment uses photoresistors as switching elements.

摘要翻译： 公开了一种用于响应于在两个频率之间调制的输入信号来激励重要继电器的电路。 鉴频器电路响应于调制频率，并且响应于调制信号交替地产生一个极性然后是相反极性的专利的输出。 鉴别器和重要继电器之间的耦合是继电器驱动器，其对鉴别器的输出进行响应并为重要继电器通电。 一个d.c. 电源耦合到继电器驱动器。 重要的继电器包括两个绕组。 调制失败，直流 源或几乎任何电路元件将导致重要继电器的释放。 所公开的实施例使用光敏电阻作为开关元件。

公开(公告)号：US4365298A

公开(公告)日：1982-12-21

申请号：US146884

申请日：1980-05-05

申请人： Henry C. Sibley ,  David B. Rutherford, Jr.

发明人： Henry C. Sibley ,  David B. Rutherford, Jr.

IPC分类号： B60K31/04 ,  B60T7/12 ,  G01P3/48 ,  B60K31/00 ,  G05D13/62

CPC分类号： G01P3/4802 ,  B60K31/047 ,  B60T7/12

摘要： A tachometer signal provides input to first and second parallel connected channels, each of the channels comprising in series operational amplifier, threshold detector, and counting devices. A comparator checks that the same count is registered by the counters of both channels. Each of the threshold detectors is biased to require a minimum amplitude over and under tachometer pulse input in order to deliver an output to the pulse counter of the associated channel. Attenuating circuits act on the inputs of the operational amplifiers of both channels during predetermined intervals to check that the amplitude of the tachometer pulses is sufficient to be counted by the tachometer counters. Dynamic checking circuits are provided to check the integrity of the attenuating system.

摘要翻译： 转速计信号为第一和第二并联连接的通道提供输入，每个通道包括串联运算放大器，阈值检测器和计数装置。 比较器检查两个通道的计数器注册相同的计数。 每个阈值检测器被偏置以在转速计脉冲输入之上和之下需要最小幅度，以将输出传递到相关通道的脉冲计数器。 衰减电路在预定间隔期间作用于两个通道的运算放大器的输入，以检查转速计脉冲的幅度是否足以由转速计计数器计数。 提供动态检查电路以检查衰减系统的完整性。

公开(公告)号：US4365164A

公开(公告)日：1982-12-21

申请号：US225813

申请日：1981-01-16

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： G08C19/30 ,  H02J13/00 ,  H03K17/76 ,  H03K17/795 ,  G02B27/00

CPC分类号： H03K17/7955 ,  G08C19/30 ,  H02J13/0024 ,  H02J13/0041 ,  H03K17/76 ,  Y02E60/7823 ,  Y02E60/7884 ,  Y04S40/122 ,  Y04S40/143

摘要： A contact monitoring circuit for producing a dynamic signal representative of the state of a contact. The circuit includes a control signal generator for generating a pair of optical pulse streams comprised of alternate and sequential optical pulses. A pair of gating means, each responsive to one of the pair of pulse streams, connects each of two conductors to one of a positive and negative source of potential in time coincidence with the associated pulse stream. A circuit means, including an optical coupler, the contact being monitored and a fixed potential, has a complete supply circuit during times coincident with only one of the pulse streams, the condition of the contact determines which of the pulse streams will complete the supply circuit. Therefore, the optical coupler produces a dynamic signal representative of the contact state.

摘要翻译： 一种用于产生表示接触状态的动态信号的接触监视电路。 该电路包括用于产生由交替和顺序光脉冲组成的一对光脉冲流的控制信号发生器。 一对选通装置，每个响应于该对脉冲流中的一个脉冲流，将两个导体中的每一个连接到与相关联的脉冲流的时间一致的正和负电位之一。 包括光耦合器的电路装置，被监视的触点和固定电位在与仅一个脉冲流相符的时间期间具有完整的电源电路，触点的状态确定哪个脉冲流将完成电源电路 。 因此，光耦合器产生表示接触状态的动态信号。

公开(公告)号：US4029274A

公开(公告)日：1977-06-14

申请号：US676079

申请日：1976-04-12

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： B61L3/00 ,  G06F11/00 ,  B61L23/16

CPC分类号： G06F11/0796 ,  B61L3/00

摘要： In a train control signalling system, a wayside signal of an unknown code rate is detected and decoded on board the train to determine the code rate and derive the coded train control intelligence. The code rate is determined by counting the number of cycles of a known higher frequency which occur during one period of the unknown code rate. Before a train command signal is issued, a number of tests are performed to verify that the determination is accurate with no margin for error. The known higher frequency signal is passed through a tuned circuit to verify that it is within predetermined limits of its rated frequency. The counter that counts the cycles of the known higher frequency is tested to verify that it is reset to zero at required intervals. Verification is obtained that one and only one train control signal is obtained. The counting circuits and memory devices are cycled prior to each decoding operation to verify proper functioning. Each train control circuit is tested and none can operate unless the prior one in the chain responded properly. A train control circuit cannot remain operated unless it receives periodic confirmation signals.

摘要翻译： 在列车控制信令系统中，在列车上检测并解码未知码率的路边信号，以确定码率并导出编码列车控制智能。 通过计算在未知码率的一个周期期间发生的已知较高频率的周期数来确定码率。 在发出列车指令信号之前，执行多次测试以验证该确定是否准确，无误差。 已知的较高频率信号通过调谐电路以验证其在额定频率的预定限度内。 对已知较高频率的周期进行计数的计数器进行测试，以验证其以必需的间隔重置为零。 得到一个并且只有一个列车控制信号的验证。 在每个解码操作之前循环计数电路和存储器件以验证正常的功能。 每个列车控制电路都经过测试，除非链条中的前一个响应正确，否则不能运行。 列车控制电路不能保持运行，除非接收到周期性的确认信号。

公开(公告)号：US4485435A

公开(公告)日：1984-11-27

申请号：US241819

申请日：1981-03-09

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： G06F9/312 ,  G11C29/10 ,  G11C29/20 ,  G06F11/00

CPC分类号： G06F9/30043 ,  G11C29/10 ,  G11C29/20

摘要： Apparatus and method for vital memory management of data. Method and apparatus is disclosed for clearing memory on specified conditions and for assuring the clearing is effected. Both random access and stack operation are implemented. Furthermore, an intentional delay may be provided to ensure that data using apparatus properly interprets the signals provided thereto. Included is a word testing method and apparatus which is also arranged to be self-checking.

摘要翻译： 数据的重要内存管理的装置和方法。 公开了用于在指定条件下清除存储器并确保清除的方法和装置。 实现随机访问和堆栈操作。 此外，可以提供有意的延迟以确保使用设备的数据正确地解释提供给它的信号。 包括一个字检测方法和装置，它也被安排为自检。

公开(公告)号：US4234870A

公开(公告)日：1980-11-18

申请号：US2765

申请日：1979-01-11

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： B61L3/00 ,  H04L27/10 ,  G06F11/30 ,  H04L1/14

CPC分类号： H04L27/10

摘要： A code generator including a programmed microprocessor for transmitting a selected fixed frequenccy signal through optical isolators to tuned vital relay drivers. Feedback information from these drivers monitors their operation and checks operation of output circuitry. External time delays are provided to check program delays within the system and to ensure against the generation of erroneous codes due to cyclical resetting of the system. A rate selector is provided to permit selection of particular output code rates and is cycle checked continuously to ensure that the system is always certain of the selected code. Unique programming functions are also provided for self checking and for checking the operation of the microprocessor against the operation of external components to provide total system integrity and total system reliability. Diversity and cycle checking are used throughout the system to provide vital qualities. The system has no failure bias and is entirely self checking. Any component or program failure or malfunction causes the system to shut down completely.

摘要翻译： 一种代码生成器，包括用于通过光隔离器将所选择的固定频率信号传送到调谐的重要继电器驱动器的编程微处理器。 来自这些驱动程序的反馈信息监视其操作并检查输出电路的操作。 提供外部时间延迟来检查系统内的程序延迟，并确保由于系统的周期性复位而导致产生错误代码。 提供速率选择器以允许选择特定的输出码率，并且连续循环检查以确保系统总是确定所选择的码。 还提供独特的编程功能，用于自检和用于检查微处理器对外部组件的操作的操作，以提供完整的系统完整性和整体系统的可靠性。 在整个系统中使用多样性和循环检查来提供重要的品质。 系统没有故障偏差，完全自检。 任何组件或程序故障或故障都会导致系统完全关闭。

公开(公告)号：US3995173A

公开(公告)日：1976-11-30

申请号：US574667

申请日：1975-05-05

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： H03K17/60 ,  H03K19/007 ,  H03K19/14 ,  H03K17/78

CPC分类号： H03K19/14 ,  H03K17/601 ,  H03K19/007

摘要： A solid state fail-safe logic system is disclosed including AND and OR gates which are designed as an evolutionary replacement for signal control functions previously performed by vital front and back contacts of vital relays and power check logic. The AND gate is basic and accepts an a.c. and a d.c. input. The a.c. input circuit includes a light emitting diode optically coupled to a light receiving active circuit means. Leakage currents cannot falsely activate the gate since the light emitting diode is poled to be reverse biased by the supply voltage. The d.c. input is protected from leakage currents by proper connections so that any leakage current is of the wrong polarity to produce an output. The d.c. input provides forward bias for light responsive active circuit means. The AND gate is divided into an input module including the light emitting diode and an output module inciuding the light responsive active circuit means. An OR gate is provided by using an AND gate output module and one AND gate input module for each OR gate input.More complex logic functions can be implemented and other devices, such as relays, simulated, by combining the AND or OR gates with other circuits.

摘要翻译： 公开了一种固态故障安全逻辑系统，其包括AND和OR门，其被设计为先前由重要的继电器和功率检查逻辑的重要的前后接点执行的信号控制功能的进化替代。 和门是基本的，并接受一个。 和d.c. 输入。 a.c. 输入电路包括光耦合到光接收有源电路装置的发光二极管。 泄漏电流不能错误地激活栅极，因为发光二极管被极化以被电源电压反向偏置。 直径 通过适当的连接来保护输入免受漏电流的影响，从而产生输出的任何漏电流都是错误的极性。 直径 输入为光响应有源电路装置提供正向偏置。 与门分为包括发光二极管的输入模块和包含光响应有源电路装置的输出模块。 通过使用与门输出模块和每个或门输入的一个与门输入模块来提供或门。

公开(公告)号：US4553200A

公开(公告)日：1985-11-12

申请号：US550431

申请日：1983-11-10

申请人： Henry C. Sibley

发明人： Henry C. Sibley

IPC分类号： B61L3/00 ,  G06F11/00 ,  G06F11/08 ,  G06F1/00

CPC分类号： G06F11/08 ,  G06F11/076

摘要： As a component in a vital processing system, the vital driver includes hardware and software elements that enable it to produce a time sensitive output in response to receipt, on a batch basis, of check words. The number, content and rate of the check words are checked and used by the vital driver to produce a time sensitive output which can have parameters such as carrier frequency, modulation rate and duty cycle which are determined in part by the number, content and rate of receipt of the check words, and in part by the flawless execution of its own software. The vital driver software includes a number of significant elements including a vital starting delay, as well as modular components for producing different portions of the time sensitive output. Because of its modular nature, the software allows the production of an identical time sensitive output from groups of check words which are different in number and content, enabling the same vital driver to perform a checking function on primary processors which are running significantly different software.

摘要翻译： 作为重要处理系统中的组件，重要的驱动程序包括硬件和软件元素，使其能够响应于批量接收检查字来产生时间敏感的输出。 检查词的数量，内容和速率由重要驾驶员检查和使用，以产生时间敏感输出，其可以具有部分由数量，内容和速率确定的载波频率，调制率和占空比等参数 收到检查词，部分是通过完美的执行自己的软件。 重要的驱动程序软件包括许多重要的元素，包括重要的启动延迟，以及用于产生时间敏感输出的不同部分的模块化组件。 由于其模块化特性，软件允许从数量和内容不同的检查单词组生成相同的时间敏感输出，使同一个重要驱动程序能够在运行显着不同的软件的主处理器上执行检查功能。