Passive infrared detector
    1.
    发明授权
    Passive infrared detector 有权
    被动红外探测器

    公开(公告)号:US06800854B2

    公开(公告)日:2004-10-05

    申请号:US10282526

    申请日:2002-10-29

    IPC分类号: G01J500

    摘要: A passive infrared detector has a first sensor (1) for generating an infrared signal, representative of the difference in temperature between a heat source and the background environment of the detector, a second sensor (3), influenced by the ambient temperature in the detector, and an evaluation circuit (2) for processing the infrared signal. The evaluation circuit contains a temperature compensation (4) for influencing the sensitivity of the detector as a function of the ambient temperature. The temperature compensation (4) is designed in such a way that the sensitivity of the detector is not directly influenced by changes in the ambient temperature. Influencing of the sensitivity of the detector takes place with delay and/or as a function of the speed of the change in the ambient temperature.

    摘要翻译: 被动红外线检测器具有用于产生红外信号的第一传感器(1),代表检测器的热源与背景环境之间的温度差,第二传感器(3)受检测器中的环境温度的影响 ,以及用于处理红外信号的评估电路(2)。 评估电路包括用于影响检测器的灵敏度作为环境温度的函数的温度补偿(4)。 温度补偿(4)设计成使得检测器的灵敏度不受环境温度变化的直接影响。 检测器的灵敏度的影响随着环境温度变化的速度延迟和/或发挥作用。

    Method of, and circuit arrangement for, function control of ultrasonic
alarm installations
    2.
    发明授权
    Method of, and circuit arrangement for, function control of ultrasonic alarm installations 失效
    超声波报警装置的功能控制方法及电路装置

    公开(公告)号:US4729120A

    公开(公告)日:1988-03-01

    申请号:US782716

    申请日:1985-09-23

    CPC分类号: G01S7/52004 G08B29/14

    摘要: In an ultrasonic alarm installation, ultrasonic waves are continuously emitted into a monitored region and a frequency shift caused by a moving object, e.g. an intruder, is received by an ultrasonic receiver and evaluated by virtue of the Doppler effect for generating an alarm signal. For testing the ultrasonic alarm installation the emitted ultrasonic waves are modulated by a plurality of modulation frequencies in the range of the frequency shifts effective for triggering the alarm signal. Thus, the function test can be carried out using the same electrical evaluation circuit as for generating the alarm signal. The plurality of modulation frequencies conjointly with the switch-off of the transmitter signal has the effect that the reflected signals, which arrive at the ultrasonic receiver with different phase relationships, are not vectorially added to the ultrasonic transmitter signal to yield zero, so that a reliable function control is always ensured. Furthermore and for determining changes in the monitored region, the time decay of the modulation-caused signal is compared with a reference signal in the electrical evaluation circuit after switch-off of the modulation signal.

    摘要翻译: PCT No.PCT / EP85 / 00037 Sec。 371日期:1985年9月23日 102(e)1985年9月23日PCT 1985年2月7日PCT PCT。 第WO85 / 03591号公报 日期为1985年8月15日。在超声波报警装置中,超声波被连续地发射到被监视的区域中,并且由移动物体(例如, 入侵者由超声波接收器接收,并且通过用于产生报警信号的多普勒效应进行评估。 为了测试超声波报警装置,发射的超声波由频率范围内的多个调制频率进行调制,有效触发报警信号。 因此,可以使用与产生报警信号相同的电气评估电路来执行功能测试。 与发射机信号的关断结合的多个调制频率具有这样的效果:到达具有不同相位关系的超声波接收机的反射信号不被向量地添加到超声发射机信号以产生零,使得 始终保证可靠的功能控制。 此外,为了确定监视区域的变化,将调制信号的时间衰减与关断调制信号之后的电气评估电路中的参考信号进行比较。

    Testing apparatus for intrusion detectors
    3.
    发明授权
    Testing apparatus for intrusion detectors 失效
    入侵检测仪测试装置

    公开(公告)号:US4743886A

    公开(公告)日:1988-05-10

    申请号:US783222

    申请日:1985-09-23

    摘要: The monitoring of intrusion detectors is effected by an apparatus for testing the responsiveness to environment-caused, detector-specific useful and spurious signals. This testing apparatus is arranged inside of the intrusion detector and ensures that during installation and during the operation of the intrusion detector its electrical parameters are optimally adjusted. Deviations of these parameters from their nominal values and the location of these deviations are indicated.

    摘要翻译: PCT No.PCT / EP85 / 00035 Sec。 371日期:1985年9月23日 102(e)1985年9月23日PCT 1985年2月7日PCT PCT。 出版物WO85 / 03589 1985年8月15日。入侵检测器的监控由用于测试对环境引起的检测器特定有用和杂散信号的响应的装置来实现。 该测试装置布置在入侵检测器的内部,并确保在入侵检测器的安装和操作期间,其电参数被最佳地调整。 这些参数与其标称值的偏差和这些偏差的位置被指示。

    Using highly skewed clocks for application based tracing and application based normalization of processor clocks in an SMP environment
    4.
    发明申请
    Using highly skewed clocks for application based tracing and application based normalization of processor clocks in an SMP environment 失效
    使用高度扭曲的时钟,用于基于应用程序的跟踪和基于应用程序的SMP环境中处理器时钟的归一化

    公开(公告)号:US20060229849A1

    公开(公告)日:2006-10-12

    申请号:US11103786

    申请日:2005-04-12

    IPC分类号: G06F17/40 G04F10/00

    CPC分类号: G06F11/3612 G06F11/3466

    摘要: A method, apparatus and computer instructions for application based tracing and for normalization of processor clocks in a symmetric multiprocessor environment. By deliberately establishing a large skew among processor clocks, it is possible to perform application based tracing by directly using the processors. In addition, the identity, time stamp, and drift information of each processor may be used to create a time library. The time library is used to adjust a measured time to execute a program or software routine. The adjusted time is a normalized time that is statistically more accurate than the measured time alone. The adjusted time is then reported as the time to execute the program or software routine.

    摘要翻译: 一种用于基于应用的跟踪和用于在对称多处理器环境中归一化处理器时钟的方法,装置和计算机指令。 通过在处理器时钟之间故意建立大的偏差,可以通过直接使用处理器来执行基于应用程序的跟踪。 此外,每个处理器的身份,时间戳和漂移信息可以用于创建时间库。 时间库用于调整执行程序或软件程序的测量时间。 调整后的时间是统计学上比单独测量时间更准确的时间。 然后将调整后的时间报告为执行程序或软件程序的时间。

    Intrusion detector having a sabotage surveillance device
    5.
    发明授权
    Intrusion detector having a sabotage surveillance device 有权
    入侵检测器具有破坏监视设备

    公开(公告)号:US06377174B1

    公开(公告)日:2002-04-23

    申请号:US09587812

    申请日:2000-06-06

    IPC分类号: G08B1300

    摘要: An intrusion detector has a housing with an infrared device disposed therein, an infrared sensor, a detector window provided in the housing wall for the passage of infrared radiation from the external space onto the infrared sensor, an element for focusing the infrared radiation incident through the detector window onto the infrared sensor and having a sabotage surveillance device including an infrared transmitter and an infrared receiver. The infrared transmitter and the infrared receiver are disposed inside the housing and the detector window is substantially transparent to radiation emitted by the infrared transmitter. The sabotage surveillance of the detector takes place by measuring the proportion of the radiation reflected onto the infrared receiver from the inside of the detector window and the radiation transmitted onto the infrared receiver from the surrounding space. The detector may also contain an ancillary detector device such as an ultrasonic device with an ultrasonic transmitter and an ultrasonic receiver. The signal of the ultrasonic receiver preferably has two frequency ranges; one range which is typical of movements in the space under surveillance and the other which is typical of sabotage of the detector. A common evaluation circuit is provided for the ultrasonic section and the infrared section.

    摘要翻译: 入侵检测器具有设置在其中的红外装置的壳体,红外传感器,设置在壳体壁中的用于使红外线辐射从外部空间通过到红外传感器的检测器窗口,用于聚焦通过 检测器窗口到红外传感器上并具有包括红外发射器和红外接收器的破坏监视装置。 红外发射器和红外接收器设置在壳体内部,并且检测器窗口对于由红外发射器发射的辐射基本上是透明的。 检测器的破坏监视是通过测量从检测器窗口的内部反射到红外接收器上的辐射的比例和从周围空间传输到红外接收器上的辐射的比例来进行的。 检测器还可以包含辅助检测器装置,例如具有超声波发射器和超声波接收器的超声装置。 超声波接收器的信号优选具有两个频率范围; 一个范围是监视空间的典型运动,另一个范围是典型的检测器的破坏。 提供了用于超声波部分和红外部分的公共评估电路。

    Managing a Resource Lock
    6.
    发明申请
    Managing a Resource Lock 失效
    管理资源锁定

    公开(公告)号:US20070067530A1

    公开(公告)日:2007-03-22

    申请号:US11530055

    申请日:2006-09-08

    申请人: David Siegwart

    发明人: David Siegwart

    IPC分类号: G06F12/14

    CPC分类号: G06F9/52 G06F12/00

    摘要: A method of operating a resource lock for controlling access to a resource by a plurality of resource requesters, the resource lock operating in a contention efficient (heavyweight) operating mode, and the method being responsive to a request from a resource requester to acquire the resource lock, the method comprising the steps of: incrementing a count of a total number of acquisitions of the resource lock in the contention efficient operating mode, in response to a determination that access to the resource is not contended by more than one resource requester, performing the steps of: a) incrementing a count of a number of uncontended acquisitions of the resource lock in the contention efficient operating mode; b) calculating a contention rate as the number of uncontended acquisitions in the contention efficient operating mode divided by the total number of acquisitions in the contention efficient operating mode; and c) in response to a determination that the contention rate meets a threshold contention rate, causing the resource lock to change to a non-contention efficient (lightweight) operating mode.

    摘要翻译: 一种操作资源锁的方法,用于控制多个资源请求者对资源的访问,所述资源锁以有竞争力的(重量级)操作模式操作,并且所述方法响应于来自资源请求者的获取资源的请求 锁定,所述方法包括以下步骤:响应于对所述资源的访问不被多于一个资源请求者的竞争的确定,在所述争用有效操作模式中增加所述资源锁的获取总数的计数,执行 步骤:a)在争用有效的操作模式中增加资源锁的无数次获取的数量的计数; b)将竞争率计算为争用有效运营模式中的无竞争收购次数除以竞争有效运行模式下的总收购次数; 以及c)响应于所述争用率满足阈值争用率的确定,导致所述资源锁定变为非争用有效(轻量级)操作模式。

    Identifying a processor in a multiprocessor system

    公开(公告)号:US20060161699A1

    公开(公告)日:2006-07-20

    申请号:US11316656

    申请日:2005-12-22

    申请人: David Siegwart

    发明人: David Siegwart

    IPC分类号: G06F3/06

    CPC分类号: G06F9/30087 G06F9/3869

    摘要: A method for storing an identity of a processor in a multiprocessor computer system, the processor including a high frequency clock having a clock value represented as a set of binary digits, the method comprising encoding an identifier of the processor in a subset of the set of binary digits. It is therefore possible to retrieve a value of a time represented by a high frequency clock in a processor and an identification of the corresponding processor in a single indivisible operation by encoding the processor identifier in the clock value.

    Method of, and circuit arrangement for, function control of ultrasonic
alarm installations
    8.
    发明授权
    Method of, and circuit arrangement for, function control of ultrasonic alarm installations 失效
    超声波报警装置的功能控制方法及电路装置

    公开(公告)号:US4727522A

    公开(公告)日:1988-02-23

    申请号:US783230

    申请日:1985-09-23

    CPC分类号: G08B29/14 G01S7/52004

    摘要: In an ultrasonic alarm installation ultrasonic waves are continuously emitted into a monitored region and a frequency shift due to a moving object, e.g. an intruder, by virtue of the Doppler effect is evaluated for giving an alarm signal. The function control in this installation occurs during a test phase by means of brief aperiodic modulation of the emitted ultrasonic waves. The resulting brief frequency broadening generates in the same evaluating circuit a signal if the installation is functioning correctly. The time duration of the aperiodic modulation is selected to be so short that no standing waves can form, so that the function control can also work faultlessly if the installation, because of vectorial addition of the received ultrasonic waves, accidentally is in an insensitive state. Thus even coverings of the ultrasonic transmitter during a sabotage attempt can be recognized and distinguished from an insensitive state.

    摘要翻译: PCT No.PCT / EP85 / 00036 Sec。 371日期:1985年9月23日 102(e)1985年9月23日PCT 1985年2月7日PCT PCT。 公开号WO85 / 03590 日期为1985年8月15日。在超声波报警装置中,超声波被连续地发射到被监视的区域中,并且由于移动物体,例如, 通过多普勒效应评估入侵者给出报警信号。 这种安装中的功能控制通过对发射的超声波进行短暂的非周期性调制而在测试阶段发生。 如果安装正常工作,则产生的短暂的频率展宽在相同的评估电路中产生信号。 选择非周期性调制的持续时间非常短,从而不会形成驻波,使得由于接收到的超声波的向量加法意外地处于不敏感状态,所以功能控制也可以无故障地工作。 因此,在破坏尝试期间甚至可以识别超声波发射器的覆盖物并将其与不敏感状态区分开来。