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1. 发明授权

US5502434A Smoke sensor 失效
标题翻译：烟雾传感器
公开(公告)号：US5502434A
公开(公告)日：1996-03-26
申请号：US66909
申请日：1993-05-21
申请人： Osami Minowa , Junichi Narumiya , Tetsuya Nagashima , Yoshihito Hirai , Mariko Ishida
发明人： Osami Minowa , Junichi Narumiya , Tetsuya Nagashima , Yoshihito Hirai , Mariko Ishida
IPC分类号： G08B17/103 , G08B17/10
CPC分类号： G08B17/103 , G08B17/113
摘要： A separate type photoelectric smoke sensor having a light emitting section for emitting a light beam to a reflecting plate disposed at a certain distance from the light emitting section, a light receiving section for receiving reflected light from the reflecting plate, and a judgement section for outputting a sense signal if a received light output from the light receiving section is smaller than a threshold value previously set. The quantity of reflected light from a shielding object is obtained from the difference between or the ratio of the quantity of received light measured during lighting of the light emitting section in a situation where there is no shielding object and the quantity of received light measured during lighting of the light emitting section in a situation where there is the shielding object, and the difference between these quantities of reflected light and the quantity of received light measured during lighting of the light emitting section is compared with the threshold value to determine whether or not there is a fire. It is thereby possible to correctly discriminate the existence of any shielding object other than smoke in an observed region. Even if there is a shielding object, the influence of the shielding object is cancelled to obtain the true quantity of reflected light from the reflecting plate no matter what the reflectivity thereof, thereby ensuring accurate determination as to whether or not there is a fire.
摘要翻译：一种分离式光电式烟雾传感器，具有发光部分，用于将光束发射到与发光部分一定距离设置的反射板;受光部分，用于接收来自反射板的反射光;以及判断部分，用于输出如果从光接收部分输出的接收光小于预先设定的阈值，则感测信号。来自屏蔽物体的反射光的数量是从不存在屏蔽物体的情况下的发光部照明时测定的接收光量与照明时测定的接收光量之差在存在遮光对象的情况下，将发光部的点亮期间的反射光量与接收光量之间的差与阈值进行比较，判定是否存在遮光对象是火从而可以在观察区域中正确地辨别除烟雾之外的任何屏蔽物体的存在。即使存在屏蔽物体，不管其反射率如何，屏蔽物体的影响被消除以获得来自反射板的真实反射光量，从而确保是否有火灾的准确确定。

2. 发明授权

US5623253A Projected beam-type smoke detector 失效
标题翻译：投射式烟雾探测器
公开(公告)号：US5623253A
公开(公告)日：1997-04-22
申请号：US454831
申请日：1995-05-31
申请人： Junichi Narumiya , Mariko Ishida
发明人： Junichi Narumiya , Mariko Ishida
IPC分类号： G08B17/103 , G08B17/10
CPC分类号： G08B17/103 , G08B17/113
摘要： A projected beam-type smoke detector of the type in which a light emitter having a light emitting element is separately mounted from a light receiver having a light pickup element in order to detect a fire by an attenuation in the level of light which the light receiver receives from the light emitter, attenuation being due to the presence of smoke between the light emitter and the light receiver. The detector, comprising the light receiver, a cover status sensor for sensing the closing or opening state of a cover that is closed or opened to allow adjustments such as optical axis adjustment, sensitivity setting for light input and the like, and a control block for controlling each section of the light receiver. The control block sets the adjustment mode to each section of the light receiver when the control block receives a cover open-state signal indicative of the opening of the cover from the cover status sensor. The adjustment mode is automatically set to each section of the light receiver. The light receiver preferably comprises a sensitivity setting status, whereby the control block releases the adjustment mode.
摘要翻译：具有发光元件的发光体的投射式烟雾检测器与具有光拾取元件的光接收器分开地安装，以便通过光接收器中的光的衰减来检测火焰从光发射器接收衰减是由于在光发射器和光接收器之间存在烟雾。包括光接收器的检测器，用于感测关闭或打开的盖的关闭或打开状态的盖状态传感器，以允许诸如光轴调节，光输入的灵敏度设置等的调节，以及用于控制光接收器的每个部分。当控制块从盖状态传感器接收到指示盖打开的盖打开状态信号时，控制块将调节模式设置为光接收器的每个部分。调整模式自动设置在光接收器的每个部分。光接收器优选地包括灵敏度设定状态，由此控制块释放调节模式。

3. 发明授权

US4695734A Photoelectric smoke sensor including a photosensing data correction ratio correction circuit 失效
标题翻译：光电烟雾传感器包括光敏数据校正比率校正电路
公开(公告)号：US4695734A
公开(公告)日：1987-09-22
申请号：US703385
申请日：1985-02-20
申请人： Hiroshi Honma , Junichi Narumiya
发明人： Hiroshi Honma , Junichi Narumiya
IPC分类号： H02H1/06 , A62C37/36 , A62C37/50 , G01N21/27 , G01N21/53 , G08B17/10 , G08B17/103 , G08B29/24 , G01N15/06
CPC分类号： G08B17/103 , G01N21/274 , G08B29/24 , G01N21/534 , G01N2201/0696
摘要： A light emitting unit and a photo sensing unit are separately arranged to face with each other, and a pulse light is emitted from the light emitting unit at every constant period, and the photo sensing unit receives the pulse light attenuated by a smoke, thereby detecting a fire. When a power source is turned on, a microcomputer in the photo sensing unit stores the first photo sensing data as an initial photo sensing data in a memory. The initial photo sensing data is fixedly stored and held and is not erased due to a temporary cut off of the power source. The photo sensing data is converted to correction photo sensing data using a correction ratio to perform the fouling correction and the fire is discriminated on the basis of the correction photo sensing data. The correction ratio is corrected when the correction period reaches 50 minutes. A correction amount of a single correction ratio is suppressed to a microvalue. In correction of the correction ratio, it is increased or decreased by only a microvalue at every correction period until the photo sensing data coincides with the initial photo sensing data.
摘要翻译：发光单元和感光单元分别布置成彼此面对，并且每个恒定周期从发光单元发射脉冲光，并且光感测单元接收被烟雾衰减的脉冲光，从而检测一阵火当电源接通时，感光单元中的微计算机将第一感光数据作为初始感光数据存储在存储器中。初始的感光数据被固定地存储和保持，并且由于暂时切断电源而不被擦除。使用校正比率将感光数据转换为校正光感测数据，以执行结垢校正，并且基于校正光感测数据来识别火焰。当校正周期达到50分钟时校正比率被校正。单个校正比率的校正量被抑制到微小值。在校正比率的校正中，在每个校正周期仅增加或减小微值，直到感光数据与初始感光数据一致。

4. 发明授权

US5751216A Projected beam-type smoke detector and receiving unit 失效
标题翻译：投射式烟雾探测器和接收单元
公开(公告)号：US5751216A
公开(公告)日：1998-05-12
申请号：US529269
申请日：1995-09-15
申请人： Junichi Narumiya
发明人： Junichi Narumiya
IPC分类号： G08B17/103 , G08B17/10
CPC分类号： G08B17/103
摘要： A projected beam-type smoke detector and receiving unit includes in its light receiver data output unit 118 for outputting serially status information and status signal output units 85, 86 for sending the status information to the receiving unit, and in its receiving unit 30 data examining unit 113 for examining sequentially the status information. The light receiver 31 also includes a pulse generator unit 82 for generating pulses having different pulselengths according to the type of alarm information, and photoelectric converter units 83, 84 for sending to the receiving unit 120 the pulses of different pulselengths generated by the pulse generator unit 82. The receiving unit 120 includes a pulselength determining unit 108 for determining the type of alarm information from the pulselength of the pulse sent by the projected beam-type smoke detector and display units 110, 111 for displaying the alarm information type determined by the pulselength determining unit 108. As a result, the alarm and status information is conducted by single lines. Simple and low-cost design is thus implemented into the projected beam-type smoke detector and receiving unit.
摘要翻译：投影光束式烟雾探测器和接收单元包括在其光接收器数据输出单元118中，用于输出串行状态信息和用于将状态信息发送到接收单元的状态信号输出单元85,88，并且在其接收单元30中进行数据检查单元113，用于依次检查状态信息。光接收器31还包括用于根据报警信息的类型产生具有不同脉冲长度的脉冲的脉冲发生器单元82以及用于向接收单元120发送由脉冲发生器单元产生的不同脉冲长度的脉冲的光电转换器单元83,84 82.接收单元120包括脉冲长度确定单元108，用于根据由投影的束式烟雾探测器发送的脉冲的脉冲长度和显示单元110,111来确定报警信息的类型，以显示由脉冲长度确定的报警信息类型确定单元108.结果，报警和状态信息由单行进行。因此，简单和低成本的设计被实现到投影束式烟雾探测器和接收单元中。

5. 发明授权

US4651013A Smoke detector with changeable pulse light emitting interval for monitoring purposes 失效
标题翻译：烟雾探测器具有可变脉冲发光间隔，用于监控
公开(公告)号：US4651013A
公开(公告)日：1987-03-17
申请号：US703328
申请日：1985-02-20
申请人： Shigeru Kajii , Hiroshi Honma , Junichi Narumiya
发明人： Shigeru Kajii , Hiroshi Honma , Junichi Narumiya
IPC分类号： G01N21/59 , G08B13/00 , G08B13/183 , G08B17/10 , G08B17/103 , G08B29/00 , G08B29/04
CPC分类号： G08B29/043 , G08B17/103
摘要： A smoke detector comprising a light emitting section from which pulse light is radiated to a detection area with a predetermined period and a light receiving section which is disposed so as to be opposite to the light emitting section to receive the light for detecting a change caused in the detection area in the form of a change in photo-output level. The light receiving section has a monitor terminal for outputting a monitor signal corresponding to the photo-output level. When a measuring apparatus is externally connected to the monitor terminal, the supervision period is shortened as compared with the normal supervision period, so as to enable the monitor signal to be supervised substantially in real time, thereby facilitating an adjusting operation.
摘要翻译：一种烟雾探测器，包括发光部分，脉冲光从该光发射部分以预定周期辐射到检测区域;以及光接收部分，其设置成与发光部分相对，以接收用于检测所发生的变化的光检测区域以光输出电平变化的形式。光接收部分具有用于输出对应于光输出电平的监视信号的监视终端。当测量装置外部连接到监视终端时，与正常监视周期相比，监视期间缩短，从而能够实时监控监视信号，从而便于调整操作。

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