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    • 4. 发明授权
    • Fire alarm box with direct and scattered light detection and gas-sensitive layers
    • 火灾报警箱具有直接和散射光检测和气敏层
    • US06479833B1
    • 2002-11-12
    • US09623668
    • 2001-04-06
    • Anton PfeffersederAndreas Hensel
    • Anton PfeffersederAndreas Hensel
    • G01N1506
    • G08B17/107G08B17/113
    • A fire detector for detecting gaseous and dust-like combustion products, having at least one optical transmitter and at least two optical receivers for in each case outputting an electrical signal to a downstream evaluation unit. At least one of the optical receivers is disposed outside of a direct radiation range of the optical transmitter and acts as a scattered-light receiver, and a gas-sensitive layer is interposed in advance of at least one further optical receiver disposed in a direct radiation range of the optical transmitter this layer preferably absorbing light components of a specific narrow wavelength range in response to a contact with a specific gas.
    • 一种用于检测气体和灰尘状燃烧产物的火灾探测器,具有至少一个光发射器和至少两个光接收器,用于在每种情况下向下游评估单元输出电信号。 光接收器中的至少一个设置在光发射器的直接辐射范围之外并且用作散射光接收器,并且在至少一个设置在直接辐射下的另外的光接收器之前插入气敏层 该光学发射器的范围优选地响应于与特定气体的接触而吸收特定窄波长范围的光分量。
    • 5. 发明授权
    • Imaging fire detector
    • 成像火灾探测器
    • US07286704B2
    • 2007-10-23
    • US10221081
    • 2001-02-15
    • Anton PfeffersederUlrich Oppelt
    • Anton PfeffersederUlrich Oppelt
    • G06K9/00G08B17/12G01J5/02
    • G06K9/6293G08B17/125H04N7/147
    • An imaging fire detector is used to detect a fire from a recorded image sequence. Either a video camera or an infrared camera is used as an imaging device. Characterizing parameters of a fire are either analyzed individually or in combination. In order to detect changes, an object analysis, a pattern analysis or a spatial-frequency analysis of the recorded image sequences is conducted. Using a threshold value for the duration of the changes, short-term changes are detected and discarded. In a further embodiment, the fire detector may also be used as a burglar alarm. With the aid of communication means, the fire detector transmits a fire alert to a master station.
    • 成像火灾探测器用于从记录的图像序列中检测火灾。 使用摄像机或红外摄像机作为成像装置。 火的特征参数是单独或组合分析。 为了检测变化,进行记录图像序列的物体分析,模式分析或空间频率分析。 在变化的持续时间内使用阈值,检测并丢弃短期变化。 在另一个实施例中,火灾探测器也可以用作防盗报警器。 借助通信手段,火灾探测器向主站发送火警。
    • 7. 发明授权
    • Optoelectronic gas sensor based on optodes
    • 基于光电的光电气体传感器
    • US06704470B1
    • 2004-03-09
    • US09529155
    • 2000-06-22
    • Joachim SchneiderAnton PfeffersederAndreas HenselUlrich Oppelt
    • Joachim SchneiderAnton PfeffersederAndreas HenselUlrich Oppelt
    • G02B626
    • G01N21/7703G01N2021/7753
    • An optoelectronic gas sensor based on optodes, where multiple separate photosensitive elements and an opto-transmitter located centrally between them are integrated into or onto a semiconductor substrate is characterized in that the photosensitive elements lie in one plane in the substrate, and together with a lateral emission area of the opto-transmitter emitting light laterally, they are covered by sections of the optode material whose thickness and refractive index are selected so that light emitted laterally from the emission area is guided to the photosensitive elements by total reflection in the optode material in each transmission branch. Such a chip-shaped gas sensor based on optodes can be implemented in a very small design, e.g., in an area of 2×2 mm2 and a thickness of 250 &mgr;m.
    • 基于optodes的光电子气体传感器,其中多个单独的感光元件和位于它们之间的中心的光发射器集成到半导体衬底中或其上,其特征在于感光元件位于衬底中的一个平面中,并且与侧面 光发射器的光发射区域横向发射,它们由选择其厚度和折射率的光栅材料的部分覆盖,使得从发射区域侧向发射的光通过光栅材料中的全反射被引导到光敏元件 每个传输分支。 这种基于光电极的片状气体传感器可以非常小的设计来实现,例如在2x2mm 2的面积和250μm的厚度上。
    • 8. 发明申请
    • SIGNAL APPARATUS FOR AN ALARM INSTALLATION, ALARM INSTALLATION AND METHOD FOR OPERATING THE SIGNAL APPARATUS
    • 用于报警装置的信号装置,报警装置和操作信号装置的方法
    • US20130162434A1
    • 2013-06-27
    • US13635438
    • 2011-03-14
    • Volker BlaschkeAnton PfeffersederUlrich OppeltMuhammed Ali NarinMichael Guertner
    • Volker BlaschkeAnton PfeffersederUlrich OppeltMuhammed Ali NarinMichael Guertner
    • G08B17/06
    • G08B25/009G08B1/08G08B7/066
    • Alarm installations in buildings or other environments are used to notify people of particular events, particularly hazards. By way of example, fire alarm installations usually have visual signal generators which, in the event of an alert, bring a hazard situation to the attention of people in a building by means of visual signals. In this case, the aim is to use the visual signals to prompt the people to leave the building via the escape routes. A signal apparatus (1) for an alarm installation (2) is proposed, having a signal generator (3) for outputting a notification signal (6) to the environment of the signal apparatus (1), having a control device (4) for actuating the signal generator (3), and having an activation interface (5) for receiving an activation signal for triggering and/or synchronizing the control apparatus (1), wherein the activation interface (5) is designed to receive a notification signal (6) from a different signal generator than the activation signal.
    • 建筑物或其他环境中的报警装置用于通知人们特别的事件,特别是危害。 例如,火灾报警装置通常具有视觉信号发生器,在发出警报的情况下,通过视觉信号将建筑物中的人们注意到危险情况。 在这种情况下,目的是使用视觉信号促使人们通过逃生路线离开大楼。 提出了一种用于报警装置(2)的信号装置(1),具有用于向信号装置(1)的环境输出通知信号(6)的信号发生器(3),具有控制装置(4),用于 启动信号发生器(3),并具有用于接收用于触发和/或同步控制装置(1)的激活信号的激活接口(5),其中激活接口(5)被设计为接收通知信号(6 )来自与激活信号不同的信号发生器。
    • 10. 发明授权
    • Method for detecting fires
    • 检测火灾的方法
    • US06856252B2
    • 2005-02-15
    • US10332254
    • 2002-02-05
    • Anton PfeffersederBernd SiberAndreas HenselUlrich Oppelt
    • Anton PfeffersederBernd SiberAndreas HenselUlrich Oppelt
    • G08B29/18G08B29/20G08B17/10
    • G08B29/188G08B29/20
    • A method for detecting fires is proposed that serves to avoid false alarms, by providing that an alarm threshold is determined as a function of signal parameters derived from at least one sensor signal. False alarms are thus advantageously precluded. This is still further improved by setting up an alarm interval for which the alarm threshold must be exceeded, if an alarm is to be indicated. The alarm interval can also be determined adaptively as a function of the signal parameters. An upper threshold and a lower threshold are provided for the alarm interval and the alarm threshold, respectively, in order to build in a certain safety, so that the alarm threshold and alarm interval will not assume values that put a function of the fire detector at risk. It is also possible to use more sensor signals, in which case signal parameters can be generated by linking the sensor signals. As the fire detector, a scattered light smoke detector is preferably used, which is equipped with a labyrinth and a measurement chamber.
    • 提出了一种用于检测火灾的方法,其用于通过提供根据从至少一个传感器信号导出的信号参数的函数来确定报警阈值来避免误报。 因此有利地排除了虚假警报。 如果要指示报警,则通过设置必须超过报警阈值的报警间隔进一步改进。 报警间隔也可以根据信号参数自适应地确定。 分别为报警间隔和报警阈值提供上限阈值和下限阈值,以建立一定的安全性,使报警阈值和报警时间间隔不会置于将火灾探测器的功能置于 风险。 还可以使用更多的传感器信号,在这种情况下,可以通过连接传感器信号来产生信号参数。 作为火灾检测器,优选使用散射光检测器,其配备有迷宫式和测量室。