公开(公告)号：US06696940B2

公开(公告)日：2004-02-24

申请号：US09996492

申请日：2001-11-29

申请人： Francis C. Marino ,  Tony Tung Sing Li

发明人： Francis C. Marino ,  Tony Tung Sing Li

IPC分类号： G08B2900

CPC分类号： G08B29/06

摘要： A security system comprising a control panel and a plurality of individually-addressable security system modules connected to the control panel on a loop data bus. Each of the security system modules has a reference generating means for generating a variable reference voltage signal, which is controlled by control data received from the control panel. Each module also has means for selecting a loop input signal for analysis from a plurality of available loop input signals, and comparing means for comparing the selected loop input signal to the reference voltage signal. The comparing means generates an output signal when the selected loop input signal exceeds the reference voltage signal. The modules also have means for indicating to the control panel via the loop data bus the state of the reference generating means when the comparing means generates an output signal, whereby the control panel can determine the value of the selected loop input signal.

摘要翻译： 一种安全系统，包括控制面板和连接到环路数据总线上的控制面板的多个单独寻址的安全系统模块。 每个安全系统模块具有用于生成可变参考电压信号的参考产生装置，其由从控制面板接收的控制数据控制。 每个模块还具有用于从多个可用环路输入信号中选择用于分析的环路输入信号的装置，以及用于将所选择的环路输入信号与参考电压信号进行比较的比较装置。 当所选择的环路输入信号超过参考电压信号时，比较装置产生输出信号。 模块还具有用于当比较装置产生输出信号时通过环路数据总线向控制面板指示参考产生装置的状态的装置，由此控制面板可以确定所选择的环路输入信号的值。

公开(公告)号：US06832332B2

公开(公告)日：2004-12-14

申请号：US09887312

申请日：2001-06-22

申请人： Francis C. Marino ,  Tony Tung Sing Li

发明人： Francis C. Marino ,  Tony Tung Sing Li

IPC分类号： G06F1100

CPC分类号： H04L5/1446 ,  H04L25/4923 ,  Y02D50/10

摘要： Provided is a system and method for detecting marginal data transmissions from any of a number of security devices in a security system including a control unit in communication with the security devices over a serial data communications loop. First, the control unit receives a data transmission from a security device, wherein the data transmission includes a number of bit intervals in which a logic 1 level is assumed by the control unit unless a logic 0 level is detected by the control unit. The control unit samples the data transmission at a first predetermined time during the bit interval to obtain a first sample value, and then it samples the data transmission at a second predetermined time during the bit interval to obtain a second sample value (the second predetermined time being later than the first predetermined time). If the first sample value is a logic 1 and the second sample value is a logic 0, this indicates that the data transmission from the security device is marginally recoverable. If, however, the first sample value is a logic 0 and the second sample value is a logic 0, this indicates that the data transmission is acceptable. If the second sample value is a logic 1, then the control unit assumes the transmitted data bit to be a logic 1, and it makes no indication regarding the acceptability of the data transmission.

摘要翻译： 提供了一种用于检测包括通过串行数据通信环路与安全设备通信的控制单元的安全系统中的多个安全设备中的任何一个的边缘数据传输的系统和方法。 首先，控制单元接收来自安全装置的数据传输，其中数据传输包括多个比特间隔，其中控制单元假定逻辑1电平，除非控制单元检测到逻辑0电平。 控制单元在比特间隔期间的第一预定时间采样数据传输以获得第一采样值，然后在比特间隔期间的第二预定时间采样数据传输，以获得第二采样值（第二预定时间 比第一预定时间晚）。 如果第一采样值为逻辑1，第二采样值为逻辑0，则表示来自安全设备的数据传输可以稍微恢复。 但是，如果第一采样值为逻辑0，第二采样值为逻辑0，则表示数据传输可接受。 如果第二采样值为逻辑1，则控制单元将发送的数据位置为逻辑1，并且不表示数据传输的可接受性。

公开(公告)号：US06744348B2

公开(公告)日：2004-06-01

申请号：US09861129

申请日：2001-05-18

申请人： Francis C. Marino ,  Tony Tung Sing Li

发明人： Francis C. Marino ,  Tony Tung Sing Li

IPC分类号： G05B2302

CPC分类号： G08B26/001

摘要： In a security system that has a large number of individually-addressable modules interconnected on a data bus to a control panel, a method of concurrently supervising the modules by first configuring each module with a unique zone number including a group number and a module number. During operation, the control panel initiates a group supervision poll sequence for each group number by transmitting a group poll command including a group number data field populated by the group number currently being polled. If a module is part of the group being polled, then it sets a discrete bit appended to a group poll response message that logically corresponds to the module number for that module. The control panel then determines if any bit in the group poll response message has not been set, and then issues a unit poll sequence addressed to a module that corresponds to any such bit not determined to have been set in the group poll response message.

摘要翻译： 在具有在数据总线上互连到控制面板的大量单独寻址模块的安全系统中，通过首先使用包括组号和模块号的唯一区号对每个模块进行配置来同时监视模块的方法。 在操作期间，控制面板通过发送包括由当前被轮询的组号填充的组号数据字段的组轮询命令来发起每个组号的组监督轮询序列。 如果一个模块是正在轮询的组的一部分，那么它会设置一个附加到组轮询响应消息的离散位，逻辑上对应于该模块的模块编号。 控制面板然后确定组轮询响应消息中的任何位是否尚未设置，然后发出寻址到与组确定已被设置在组轮询响应消息中的任何这样的位相对应的模块的单位轮询序列。