公开(公告)号：US5061922A

公开(公告)日：1991-10-29

申请号：US340470

申请日：1989-04-19

申请人： Kazuo Nishijima ,  Terunobu Miyazaki ,  Eisaburo Sakou ,  Tomoharu Nakamura ,  Mitsuru Nakamura

发明人： Kazuo Nishijima ,  Terunobu Miyazaki ,  Eisaburo Sakou ,  Tomoharu Nakamura ,  Mitsuru Nakamura

IPC分类号： H02J13/00 ,  G08B26/00 ,  H04B3/54 ,  H04Q9/00 ,  H04Q9/14

CPC分类号： G08B26/002 ,  H04Q9/14

摘要： A signal transmission/monitoring method for a system including a master station and a plurality of slave stations installed on and along a signal transmission line so as to be capable of mutually performing information transmission and reception in such a manner that the master station calls the slave stations through sequential polling with the called slave station sending reply information to the master station. An interrupt enable time zone is provided between a time point at which the call signal transmission from the master station is completed and a time point at which the reply signal transmission from the slave station is started. When other slave station issues an interrupt request within the interrupt enable time zone, signal transmission to the master station from that other slave station is carried out with priority.

摘要翻译： 一种用于包括安装在信号传输线上和沿着信号传输线的主站和多个从站的系统的信号传输/监测方法，以便能够以主站呼叫从站的方式相互执行信息发送和接收 站通过顺序轮询与被叫从站向主站发送回复信息。 在来自主站的呼叫信号传输完成的时间点和来自从站的应答信号发送开始的时间点之间提供中断使能时区。 当其他从站在中断使能时区内发出中断请求时，优先从其他从站发送到主站的信号。

公开(公告)号：US4962368A

公开(公告)日：1990-10-09

申请号：US347543

申请日：1989-05-04

申请人： John J. Dobrzanski ,  Jeffrey J. McCabe ,  Robert W. Right

发明人： John J. Dobrzanski ,  Jeffrey J. McCabe ,  Robert W. Right

IPC分类号： G08B26/00 ,  G08B29/14

CPC分类号： G08B29/14 ,  G08B26/002

摘要： An environmental monitoring system in which a controller is arranged to test the workability and reliability of a plurality of detector units on a cyclic basis. Each unit has an analog sensor and an analog to digital converter for converting the analog sensor voltage to a digital value in a range of 0 to N. Each unit responds to a test instruction to cause the sensor analog output to assume an alarm value. The sensor output is limited to a maximum value that under a no drift condition of the analog to digital converter, its corresponding digital signal value will be intermediate a tolerance range of values, the upper limit of such range being less than N. The controller includes a test routine program for both issuing the test instruction and for determining if the digital signal test value is within the tolerance range and issuing a trouble output indicative of the test value being outside the range. The controller also includes a polling program which directs the polling of the detector units such that a test instruction is sent sequentially to the detector units on successive loop polls, where a loop poll is one poll of all the units coupled to the line.

摘要翻译： 一种环境监测系统，其中控制器被布置为循环地测试多个检测器单元的可操作性和可靠性。 每个单元都有一个模拟传感器和一个模拟数字转换器，用于将模拟传感器电压转换为0到N范围内的数字值。每个单元响应测试指令，使传感器模拟输出呈现报警值。 传感器输出被限制为在模数转换器的无漂移状态下的最大值，其相应的数字信号值将在数值的公差范围之间，该范围的上限小于N.控制器包括 用于发出测试指令并确定数字信号测试值是否在公差范围内并发出指示测试值在该范围之外的故障输出的测试程序。 控制器还包括轮询程序，其指导检测器单元的轮询，使得在连续循环轮询上将测试指令顺序地发送到检测器单元，其中循环轮询是耦合到该线的所有单元的一个轮询。

公开(公告)号：US4899131A

公开(公告)日：1990-02-06

申请号：US128500

申请日：1987-11-23

申请人： Sven T. Wilk ,  John G. Olsson

发明人： Sven T. Wilk ,  John G. Olsson

IPC分类号： G08C15/00 ,  G08B26/00 ,  G08C19/02 ,  H04Q9/00 ,  H04Q9/14

CPC分类号： G08B13/1418 ,  G08B26/002 ,  G08C19/025 ,  H04Q9/14

摘要： A control system has a central unit for applying DC operating current and control signals to a two line bus. The central unit applies a DC operating current to the bus, as well as signals that have first and second parts. A terminal connected to the bus detects first signal parts on the bus that are unique to that terminal, and, in response thereto, applies the second signal parts to its output terminals. A manual control unit is connected to receive operating current and signals from the output terminals. The manual control unit has a plurality of keys connected to load the bus, and is responsive to determined second signal parts for inhibiting such loading of the bus, thereby enabling the central unit to determine and address of the manual control unit.

摘要翻译： PCT No.PCT / SE87 / 00173 Sec。 371日期1987年11月23日 102（e）1987年11月23日PCT PCT 1987年4月19日PCT公布。 公开号WO87 / 06380 日期为1987年10月22日。控制系统具有用于将直流工作电流和控制信号施加到两线总线的中央单元。 中央单元向总线施加直流工作电流，以及具有第一和第二部分的信号。 连接到总线的终端检测总线上唯一的该终端的第一信号部分，并且响应于此，将第二信号部分应用于其输出端子。 连接手动控制单元以接收来自输出端子的工作电流和信号。 手动控制单元具有连接以加载总线的多个键，并且响应于确定的第二信号部分来阻止总线的这种加载，从而使得中央单元能够确定和寻址手动控制单元。

公开(公告)号：US4785285A

公开(公告)日：1988-11-15

申请号：US27311

申请日：1987-03-18

申请人： Rudor M. Teich ,  Keith Guillaume ,  Ram Shalvi

发明人： Rudor M. Teich ,  Keith Guillaume ,  Ram Shalvi

IPC分类号： G08B26/00

CPC分类号： G08B26/002

摘要： A parallel bus alarm system in which address signals are represented by successive voltage steps, and responses are represented by current increments. Each alarm element, in response to its addressing, controls a variable current increment to flow in the bus, the magnitude of the current increment being a function of an associated analog measurement to be reported. Each alarm element also causes a predetermined current increment to flow in the bus in response to a condition arising which requires reporting, the total current change thus being directly proportional to the number of alarm indications.

摘要翻译： 并行总线报警系统，其中地址信号由连续的电压步骤表示，响应由当前增量表示。 响应于其寻址，每个报警元件控制可变电流增量以在总线中流动，当前增量的幅度是要报告的相关联的模拟测量的函数。 每个报警元件还使得预定的电流增量响应于需要报告的条件而在总线中流动，因此总电流变化与报警指示的数量成正比。

公开(公告)号：US4742335A

公开(公告)日：1988-05-03

申请号：US875821

申请日：1986-06-18

申请人： William R. Vogt

发明人： William R. Vogt

IPC分类号： G08B26/00 ,  G08B5/00

CPC分类号： G08B26/002

摘要： A communication system in which a controller ordinarily polls addressable transponders in a sequential or random manner normally allows the transponders to respond only in their respective assigned time period. Certain of the transponders are connected to allow response in a predefined time segment from those transponders so connected if (1) the transponder is in fact programmed for response during this predefined time segment, and (2) the predefined time segment is now occuring. By providing the predefined time segment at the same position in the response time period of each transponder, a "public time" is provided to allow virtually instantaneous identification and verification of a high priority interrupt (such as a holdup alarm). In addition the transponders programmed to respond during public time on a high priority basis can be subdivided into separate groups, and the groups can be identified at the controller.

摘要翻译： 其中控制器通常以顺序或随机方式轮询可寻址的应答器的通信系统通常允许应答器仅在其各自分配的时间段内进行响应。 如果（1）应答器实际上被编程为在该预定时间段期间进行响应，那么某些应答器被连接以允许来自那些如此连接的那些应答器的预定时间段中的响应，以及（2）现在发生了预定义的时间段。 通过在每个应答器的响应时间段内在相同位置处提供预定义的时间段，提供“公共时间”以允许几乎瞬时识别和验证高优先级中断（例如保持报警）。 此外，编程为在高优先级的公共时间响应的应答器可以细分为单独的组，并且可以在控制器处识别组。

公开(公告)号：US4610012A

公开(公告)日：1986-09-02

申请号：US602750

申请日：1984-04-23

申请人： Motoharu Terada ,  Kazumasa Murakami

发明人： Motoharu Terada ,  Kazumasa Murakami

IPC分类号： G08C19/00 ,  G01R31/28 ,  G08B25/04 ,  G08B26/00 ,  H04J7/00 ,  H04Q9/00 ,  H04J15/00

CPC分类号： G01R31/2829 ,  G08B25/04 ,  G08B26/002 ,  H04J7/00 ,  H04Q9/00

摘要： A signal transmission system for transmitting a first signal and a second signal superposed thereupon through a common signal transmission line composed of two wires. A plurality of terminal units are connected through the common signal transmission line to a central unit and are connected in parallel with each other across the two wires of the signal transmission line. At least one of the terminal units transmits the first signal in the form of a level signal; and at least one of the terminal units transmits or receive the second signal in the form of a superposed signal on the level signal. The central unit transmits and receives the superposed signal as well as receives the level signal for receiving data or information respectively from the above terminal units. Accordingly, both the first and second signals of different types and therefore carrying different information can be transmitted between the central unit and the respective terminal units through the common signal transmission line.

摘要翻译： 一种信号传输系统，用于通过由两根导线组成的公共信号传输线传输与其叠加的第一信号和第二信号。 多个终端单元通过公共信号传输线路连接到中央单元并且跨越信号传输线的两条线彼此并联连接。 至少一个终端单元以电平信号的形式发送第一信号; 并且终端单元中的至少一个在电平信号上以叠加信号的形式发送或接收第二信号。 中央单元发送和接收叠加信号，以及分别从上述终端单元接收用于接收数据或信息的电平信号。 因此，可以通过公共信号传输线在中央单元和各个终端单元之间传输不同类型的第一和第二信号，从而承载不同的信息。

公开(公告)号：US4568935A

公开(公告)日：1986-02-04

申请号：US502421

申请日：1983-06-08

申请人： Fred C. Phillips ,  Anil Saigal

发明人： Fred C. Phillips ,  Anil Saigal

IPC分类号： G08B26/00 ,  G08B29/02 ,  H04Q9/00 ,  G08B5/00 ,  G08B25/00

CPC分类号： G08B26/002 ,  G08B29/02

摘要： In apparatus for communicating data by repetitively completing and opening an electric circuit, the improvement which comprises a light source inserted in the circuit to provide a visible train of light flashes upon operation of the apparatus, and circuitry for suppressing a predetermined portion of the flashes in response to a condition, to reduce the observable flashing rate of the source.

摘要翻译： 在通过重复地完成和打开电路来传送数据的设备中，包括插入在电路中以提供可见光的光源的光源的改进在设备的操作时闪烁，以及用于抑制闪光的预定部分的电路 响应条件，降低源的可观察到的闪烁速率。

公开(公告)号：US4538138A

公开(公告)日：1985-08-27

申请号：US451744

申请日：1982-12-17

申请人： Roy L. Harvey ,  Kevin J. Griffin ,  Aaron A. Galvin ,  Louis H. Auerbach

发明人： Roy L. Harvey ,  Kevin J. Griffin ,  Aaron A. Galvin ,  Louis H. Auerbach

IPC分类号： G08B19/00 ,  G08B25/00 ,  G08B25/04 ,  G08B26/00

CPC分类号： G08B26/005 ,  G08B19/00 ,  G08B25/00 ,  G08B25/04 ,  G08B26/002

摘要： A security system continuously monitoring a plurality of spatially diverse events which are reportable to a central monitoring facility, the system including a controller for sequencing the performance of reporting and monitoring tasks according to the requirements of the events. The system also performs the tasks according to a predetermined priority, in particular, alarm message queuing. In addition, alarm conditions and system operation are verified by specified communication procedures and redundancies. Furthermore, system communications capabilities include keyboard entry and output display and an interrupt facility.

摘要翻译： 一种安全系统连续地监视可向中央监视设施报告的多个空间多样的事件，所述系统包括用于根据事件的要求对报告和监视任务的执行进行排序的控制器。 该系统还根据预定的优先级，特别是报警消息排队执行任务。 另外，通过指定的通信程序和冗余来验证报警条件和系统操作。 此外，系统通信功能包括键盘输入和输出显示以及中断设备。

公开(公告)号：US4342985A

公开(公告)日：1982-08-03

申请号：US193689

申请日：1980-10-03

申请人： Paul A. Desjardins

发明人： Paul A. Desjardins

IPC分类号： G08B26/00

CPC分类号： G08B26/002

摘要： A remote sensing and control system wherein a plurality of remote sensing units are connected to a central control and monitoring console by only four interconnecting wires. A clock signal is converted to a plurality of parallel address signals at the local monitoring console and also at the remote sensing units located up the building. A sync signal is employed to synchronize all of the serial to parallel converters in the system, and each remote unit is provided with a specific code and is identified by selectively routing one or more signals through an invertor located at each unit so that the signals trigger a logic device in the particular time slot assigned to each remote unit. The input circuitry of each remote sensing unit compares two fixed microvolt reference signals derived from the least significant bit of the address signals with the return signal from the sensing device to sense for opens, grounds, normal conditions, and alarms. The system is adapted to operate with conventional computing means and programmable read only memories, as well as a multiplexer unit, for providing control signals to operate controlling device upon the occurrence of predetermined signals from the sensing device.

摘要翻译： 一种遥感和控制系统，其中多个遥感单元仅通过四条互连线连接到中央控制和监视控制台。 时钟信号在本地监视控制台以及位于建筑物的遥感单元处被转换成多个并行地址信号。 使用同步信号来同步系统中的所有串行到并行转换器，并且每个远程单元被提供有特定代码，并且通过选择性地路由一个或多个信号通过位于每个单元处的反相器来识别，使得信号触发 分配给每个远程单元的特定时隙中的逻辑设备。 每个遥感单元的输入电路将来自地址信号的最低有效位的两个固定微伏参考信号与来自感测装置的返回信号进行比较，以感测开路，接地，正常状态和报警。 该系统适于与常规计算装置和可编程只读存储器一起操作，以及多路复用器单元，用于在发生来自感测装置的预定信号时提供控制信号以操作控制装置。

公开(公告)号：US4088983A

公开(公告)日：1978-05-09

申请号：US626233

申请日：1975-10-28

申请人： Kenneth C. Crandall

发明人： Kenneth C. Crandall

IPC分类号： G08B26/00 ,  H04Q9/14 ,  H04Q9/00

CPC分类号： H04Q9/14 ,  G08B26/002

摘要： In an electronic communication system, having a central transmitting station and N remote receiving stations, the central station sends out a signal train consisting of a wide reset or synchronizing pulse (R) and a series of N narrower time-sequenced or time-slotted clock pulses (C). An intermediate width station selector pulse (S) in the signal train designates a call to a particular remote station. The receiving stations are equipped to recognize, acknowledge and respond to the signal train in the correct fashion if in the calling mode or in the polling mode of operation.

摘要翻译： 在具有中央发射站和N个远程接收站的电子通信系统中，中心站发出由宽复位或同步脉冲（R）和一系列N个较窄时间序列或时隙时钟 脉冲（C）。 信号列中的中间宽度站选择脉冲（S）指定对特定远程站的呼叫。 如果在呼叫模式或轮询操作模式下，接收站配备以正确的方式识别，确认和响应信号串。