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    • 2. 发明授权
    • Load shed scheme for two wire data transmission
    • 双线数据传输负载方案
    • US5786757A
    • 1998-07-28
    • US441762
    • 1995-05-16
    • Robert W. RightHilario S. CostaJan A. Braam
    • Robert W. RightHilario S. CostaJan A. Braam
    • G08B26/00G08B1/00
    • G08B26/001
    • An alarm system for detecting and warning of the presence of alarm and trouble conditions in transponders located in a plurality of zones consisting of a loop controller having a plurality of input signal and power supply lines connected to the respective transponder units, and having a plurality of initiating and indicating devices in a respective plurality of circuits. Further, the system has a module, including a microcontroller, connected in each of the transponder units to the plurality of input lines and to the plurality of circuits, the module being capable of initiating communication of the conditions of the circuits to the loop controller. Moreover, it includes a plurality of smoke detectors, which are connected in the circuits and to respective modules. A load shed arrangement is provided for sensing the alarm conditions of the smoke detectors and reporting their conditions to the loop controller. It also permits, in the first instance, a first of the smoke detectors to draw operating current, but, thereafter, precludes the others of the plurality of smoke detectors from drawing their operating current.
    • 一种用于检测和警告位于多个区域中的转发器中存在警报和故障状况的报警系统,该多个区域由具有连接到各个应答器单元的多个输入信号和电源线的环路控制器组成,并且具有多个 在相应的多个电路中启动和指示设备。 此外,该系统具有包括微控制器的模块,该微控制器连接到每个转发器单元中的多个输入线和多个电路,该模块能够启动电路的状况到环路控制器的通信。 此外,它包括多个烟雾探测器,它们连接在电路中和相应的模块中。 提供了负载棚布置,用于感测烟雾探测器的报警状况并将其状况报告给环路控制器。 它还允许在第一种情况下,第一烟雾探测器抽取工作电流,但此后,排除了多个烟雾探测器中的其他烟雾探测器的其工作电流。
    • 6. 发明授权
    • Auto synchronous output module and system
    • 自动同步输出模块和系统
    • US5959528A
    • 1999-09-28
    • US108722
    • 1998-07-01
    • Robert RightHilario S. CostaJan A. BraamDennis RockKeith MorrowPeter Montgomery
    • Robert RightHilario S. CostaJan A. BraamDennis RockKeith MorrowPeter Montgomery
    • G08B26/00G08B29/00
    • G08B26/001
    • An auto synchronous output module for use at a plurality of zones in a fire alarm and detection system consisting of a power source and output devices selectively coupled to the power source so as to provide audible and visual signals, and a microprocessor within the module for coupling to a data line so as to enable transmission of data signals to and from a loop controller. Moreover, there is within the processor, responsive to an activate command from the loop controller for applying the power source to the output devices responsive to an alarm condition. In addition, within the processor, responsive to a synchronize command, sent subsequently to the activate command, from the loop controller, for applying power to the output devices in synchronism with application of other power sources to output devices at other respective modules.
    • 一种用于火灾警报和检测系统中的多个区域的自动同步输出模块,包括选择性地耦合到电源的电源和输出设备,以便提供可听见和可视信号,以及用于联接的模块内的微处理器 到数据线,以便能够将数据信号传送到环路控制器和从环路控制器传输数据信号。 此外,响应于来自环路控制器的激活命令,在处理器内部,响应于报警状况将电源施加到输出设备。 此外,在处理器内,响应于从循环控制器随后发送到激活命令的同步命令,用于与应用其它电源同步地向输出设备施加电力以在其他相应模块输出设备。