Intrusion detector
    1.
    发明授权
    Intrusion detector 失效
    入侵检测器

    公开(公告)号:US5712622A

    公开(公告)日:1998-01-27

    申请号:US588380

    申请日:1996-01-18

    IPC分类号: G08B13/193 G08B13/18

    CPC分类号: G08B13/193

    摘要: An infrared detector including a sensor which provides an output signal responsive to infrared radiation incident on a face thereof, and a diffractive optical element which directs a substantial portion of incident visible radiation away from the sensor and which has substantially no diffractive effect on incident infrared radiation.

    摘要翻译: 一种包括传感器的红外检测器,该传感器提供响应入射在其表面上的红外辐射的输出信号;以及衍射光学元件,其将大部分入射的可见光辐射远离传感器并且对入射的红外辐射基本上没有衍射效应 。

    Passive infra-red detectors
    2.
    发明授权
    Passive infra-red detectors 有权
    被动红外探测器

    公开(公告)号:US08138478B2

    公开(公告)日:2012-03-20

    申请号:US10596695

    申请日:2006-03-20

    IPC分类号: G01J5/02

    摘要: A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical element which does not define any other sub field of view, the sub fields-of-view being angled with respect to each other, adjacent ones of the sub fields-of-view being separated by a gap of no more than 30 degrees and at least one of the sub fields-of-view having at least one of the following characteristics: extending over no more then 45 degrees in azimuth; and including not more than three azimuthally distributed detection zones, and signal processing circuitry, operative to receive output signals from the sub detectors and to provide a motion detection output.

    摘要翻译: 一种被动红外探测器,包括至少三个子检测器,每个子检测器可操作以从至少三个子视场中的对应一个接收到红外辐射,每个子视场是唯一的 由没有限定任何其他子视场的光学元件限定,子视场相对于彼此成角度,相邻的子视场中的相邻视场间隔不超过 30度的至少一个子视场中的至少一个具有以下特征中的至少一个:在方位角上不超过45度延伸; 并且包括不多于三个方位分布的检测区域和信号处理电路,其可操作以从子检测器接收输出信号并提供运动检测输出。

    PASSIVE INFRA-RED DETECTORS
    3.
    发明申请

    公开(公告)号:US20070018106A1

    公开(公告)日:2007-01-25

    申请号:US11425780

    申请日:2006-06-22

    IPC分类号: G01J5/02

    摘要: A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical element which does not define any other sub field of view, the sub fields-of-view being angled with respect to each other, adjacent ones of the sub fields-of-view being separated by a gap of no more than 30 degrees and at least one of the sub fields-of-view having at least one of the following characteristics: extending over no more then 45 degrees in azimuth; and including not more than three azimuthally distributed detection zones, and signal processing circuitry, operative to receive output signals from the sub detectors and to provide a motion detection output.

    Passive infrared detectors
    4.
    发明授权
    Passive infrared detectors 有权
    被动红外探测器

    公开(公告)号:US07875852B2

    公开(公告)日:2011-01-25

    申请号:US12227274

    申请日:2007-07-26

    IPC分类号: G01J5/08

    摘要: A passive infrared detector assembly including a detector housing comprising a window transparent to far infrared radiation, at least one sensor sensitive to the far infrared radiation and disposed within the detector housing and an anti-masking subassembly, including at least one light guide having a serrated light aperture, the light aperture defining a plurality of teeth like portions and a plurality of grooves and being disposed close to the outside of the window, at least one infrared light emitter operative to emit near infrared radiation via the light aperture of the at least one light guide and a near infrared radiation receiver operative to receive radiation emitted by the at least one near infrared light emitter and to measure the level of received near infrared radiation and to provide a masking alarm signal upon detection of a predetermined change in the level of the received near infrared radiation.

    摘要翻译: 一种被动红外检测器组件,包括检测器壳体,该检测器壳体包括对远红外线辐射透明的窗口,至少一个对远红外线辐射敏感并设置在检测器外壳内的传感器,以及防遮蔽子组件,其包括至少一个具有锯齿 光孔,所述光孔限定多个齿状部分和多个凹槽,并且靠近所述窗的外部设置;至少一个红外光发射器,其操作以经由所述至少一个的所述光孔发射近红外辐射 光导和近红外辐射接收器,其操作以接收由所述至少一个近红外光发射器发射的辐射并且测量接收到的近红外辐射的水平,并且在检测到所述接收的近红外光发射器的水平的预定变化时提供屏蔽报警信号 接收近红外辐射。

    Passive Infrared Detectors
    5.
    发明申请
    Passive Infrared Detectors 有权
    被动红外探测器

    公开(公告)号:US20090302222A1

    公开(公告)日:2009-12-10

    申请号:US12227274

    申请日:2007-07-26

    IPC分类号: G01J5/02

    摘要: A passive infrared detector assembly including a detector housing comprising a window transparent to far infrared radiation, at least one sensor sensitive to the far infrared radiation and disposed within the detector housing and an anti-masking subassembly, including at least one light guide having a serrated light aperture, the light aperture defining a plurality of teeth like portions and a plurality of grooves and being disposed close to the outside of the window, at least one infrared light emitter operative to emit near infrared radiation via the light aperture of the at least one light guide and a near infrared radiation receiver operative to receive radiation emitted by the at least one near infrared light emitter and to measure the level of received near infrared radiation and to provide a masking alarm signal upon detection of a predetermined change in the level of the received near infrared radiation.

    摘要翻译: 一种被动红外检测器组件,包括检测器壳体,该检测器壳体包括对远红外线辐射透明的窗口,至少一个对远红外线辐射敏感并设置在检测器外壳内的传感器,以及防遮蔽子组件,其包括至少一个具有锯齿 光孔,所述光孔限定多个齿状部分和多个凹槽,并且靠近所述窗的外部设置;至少一个红外光发射器,其操作以经由所述至少一个的所述光孔发射近红外辐射 光导和近红外辐射接收器,其操作以接收由所述至少一个近红外光发射器发射的辐射并且测量接收到的近红外辐射的水平,并且在检测到所述接收的近红外光发射器的水平的预定变化时提供屏蔽报警信号 接收近红外辐射。

    PASSIVE INFRA-RED DETECTORS
    6.
    发明申请

    公开(公告)号:US20090146063A1

    公开(公告)日:2009-06-11

    申请号:US10596695

    申请日:2006-03-20

    IPC分类号: G01J5/02

    摘要: A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical element which does not define any other sub field of view, the sub fields-of-view being angled with respect to each other, adjacent ones of the sub fields-of-view being separated by a gap of no more than 30 degrees and at least one of the sub fields-of-view having at least one of the following characteristics: extending over no more then 45 degrees in azimuth; and including not more than three azimuthally distributed detection zones, and signal processing circuitry, operative to receive output signals from the sub detectors and to provide a motion detection output.

    PASSIVE INFRA-RED DETECTORS
    7.
    发明申请

    公开(公告)号:US20070145277A1

    公开(公告)日:2007-06-28

    申请号:US11425770

    申请日:2006-06-22

    IPC分类号: G01J5/02

    摘要: A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical element which does not define any other sub field of view, the sub fields-of-view being angled with respect to each other, adjacent ones of the sub fields-of-view being separated by a gap of no more than 30 degrees and at least one of the sub fields-of-view having at least one of the following characteristics: extending over no more then 45 degrees in azimuth; and including not more than three azimuthally distributed detection zones, and signal processing circuitry, operative to receive output signals from the sub detectors and to provide a motion detection output.

    Passive infrared intrusion detector
    8.
    发明授权
    Passive infrared intrusion detector 失效
    被动红外入侵检测器

    公开(公告)号:US5693943A

    公开(公告)日:1997-12-02

    申请号:US643125

    申请日:1996-05-02

    IPC分类号: G08B13/19

    CPC分类号: G08B13/19 Y10S250/01

    摘要: An intrusion detector for supervising a region including a sensor which views a plurality of fields-of-view of the region and provides an output responsive to motion of an infrared radiation source between the fields-of-view, a first filter which provides a first filtered output based on a first, predetermined, detection pulse frequency range of the sensor output, a second filter which provides a second filtered output based on a second, predetermined, detection pulse frequency range of the sensor output and processing circuitry which receives the first and second filtered outputs and detects, in either or both of the filtered outputs, a sequence of detection pulses indicating an intrusion condition.

    摘要翻译: 一种用于监视区域的入侵检测器,所述入侵检测器包括观察所述区域的多个视场的传感器,并响应于所述视野之间的红外辐射源的运动提供输出,所述第一滤波器提供第一 基于传感器输出的第一预定检测脉冲频率范围的滤波输出;第二滤波器,其基于传感器输出和处理电路的第二预定检测脉冲频率范围提供第二滤波输出,所述第二预定检测脉冲频率范围接收第一和 第二滤波输出并且在滤波输出中的任一个或两者中检测指示入侵条件的一系列检测脉冲。

    Passive infrared detectors
    9.
    发明授权
    Passive infrared detectors 有权
    被动红外探测器

    公开(公告)号:US08017913B2

    公开(公告)日:2011-09-13

    申请号:US12374084

    申请日:2007-07-19

    IPC分类号: G01J5/08

    摘要: An infrared motion detector including at least one infra-red radiation sensor, at least one radiation reflecting surface, operative to direct radiation impinging thereon towards the at least one infra-red radiation sensor and at least one coating layer, coating the at least one radiation reflective surface, which is substantially reflective to far infra-red radiation and which strongly absorbs at least one of visible light and near infra-red radiation, wherein the at least one coating layer includes black nickel.

    摘要翻译: 一种红外线运动检测器,包括至少一个红外线辐射传感器,至少一个辐射反射表面,其可操作以将辐射照射到所述至少一个红外辐射传感器和至少一个涂层上,涂覆至少一个辐射 反射表面,其基本上反射到远红外辐射并且强烈地吸收可见光和近红外辐射中的至少一个,其中所述至少一个涂层包括黑镍。

    Passive infra-red detectors
    10.
    发明授权
    Passive infra-red detectors 有权
    被动红外探测器

    公开(公告)号:US07250605B2

    公开(公告)日:2007-07-31

    申请号:US11425780

    申请日:2006-06-22

    IPC分类号: G01J5/02

    摘要: A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical element which does not define any other sub field of view, the sub fields-of-view being angled with respect to each other, adjacent ones of the sub fields-of-view being separated by a gap of no more than 30 degrees and at least one of the sub fields-of-view having at least one of the following characteristics: extending over no more then 45 degrees in azimuth; and including not more than three azimuthally distributed detection zones, and signal processing circuitry, operative to receive output signals from the sub detectors and to provide a motion detection output.

    摘要翻译: 一种被动红外探测器,包括至少三个子检测器,每个子检测器可操作以从至少三个子视场中的对应一个接收到红外辐射,每个子视场是唯一的 由没有限定任何其他子视场的光学元件限定,子视场相对于彼此成角度,相邻的子视场中的相邻视场间隔不超过 30度的至少一个子视场中的至少一个具有以下特征中的至少一个:在方位角上不超过45度延伸; 并且包括不多于三个方位分布的检测区域和信号处理电路,其可操作以从子检测器接收输出信号并提供运动检测输出。