公开(公告)号：US06487282B1

公开(公告)日：2002-11-26

申请号：US09628849

申请日：2000-07-31

申请人： Yongping Xia ,  Joshua S. Zhu

发明人： Yongping Xia ,  Joshua S. Zhu

IPC分类号： H04M1100

CPC分类号： H04M11/064 ,  H04M11/002

摘要： A telephone-based automatic meter reading (AMR) system includes a telemetry device through which a host computer can collect meter readings remotely. So that the telemetry device does not interfere with customer usage of other telephone devices on the telephone line, an apparatus and method is provided which enables the telemetry device to sense both the static off-hook status and the dynamic off-hook status of the telephone line. Numerous circuit components in the telemetry device are shared in sensing both the static and the dynamic off-hook status. Whenever it is determined that a telephone device is, or has become, off-hook, the telemetry device is prevented from using the telephone line. Isolation between the telephone line and the meters is ensured using a transformer and optocouplers.

摘要翻译： 基于电话的自动抄表系统（AMR）系统包括一个遥测装置，主计算机可以远程收集仪表读数。 因此，遥测装置不会干扰电话线上的其他电话设备的客户使用，提供了使得遥测装置能够感测电话的静态摘机状态和动态摘机状态的装置和方法 线。 在遥测装置中的许多电路部件被共享以感测静态和动态摘机状态。 每当确定电话设备已经或已经变得摘机时，就不能使用遥测设备来使用电话线路。 使用变压器和光耦合器确保电话线和仪表之间的隔离。

公开(公告)号：US06347135B1

公开(公告)日：2002-02-12

申请号：US09563023

申请日：2000-05-02

申请人： Yongping Xia ,  Joshua S. Zhu

发明人： Yongping Xia ,  Joshua S. Zhu

IPC分类号： H04M1100

CPC分类号： H04L12/10 ,  H04M11/002 ,  H04M19/08

摘要： A telephone-based automatic meter reading (AMR) system includes a telemetry device through which a host computer can collect meter readings remotely. The telemetry device has one or more ports to read one or more meters at pre-scheduled time intervals. All data read from the meter(s) is stored in a non-volatile memory in the device, and the collected data is transferred back to the host computer according to a predetermined schedule (with a call back interval that can be hourly, daily, weekly or monthly). An apparatus and method is provided which enables the host computer to initiate a special data stream to invoke a powerless circuit portion of the telemetry device—specifically, a telephone-side portion which is electrically isolated from the meter-side circuitry (such as by an optocoupler). The ringing signal on the phone line powers the circuitry in this telephone-side portion of the device such that no AC connection or separate battery power is required. Once the telemetry device receives the special data stream, it ignores the regular call back schedule and calls back to the host computer immediately when the shared telephone line is available.

摘要翻译： 基于电话的自动抄表系统（AMR）系统包括一个遥测装置，主计算机可以远程收集仪表读数。 遥测装置具有一个或多个端口，以预定的时间间隔读取一个或多个仪表。 从仪表读取的所有数据被存储在设备中的非易失性存储器中，并且收集的数据根据​​预定的调度被传送回主计算机（具有每小时，每天， 每周或每月）。 提供了一种装置和方法，其使得主机能够启动特殊数据流以调用遥测装置的无功电路部分 - 具体地，电话侧部分与电表侧电路（例如， 光电耦合器）。 电话线上的振铃信号为设备的电话侧部分的电路供电，因此不需要AC连接或单独的电池电源。 一旦遥测设备接收到特殊数据流，它将忽略常规的回叫时间表，并在共享电话线路可用时立即呼叫主机。

公开(公告)号：US5107184A

公开(公告)日：1992-04-21

申请号：US565688

申请日：1990-08-13

申请人： Feng-Kang Hu ,  Chung M. Lau ,  Kevin Yang ,  Joshua S. Zhu ,  Peter S. Shen ,  Thomas C. Jednacz

发明人： Feng-Kang Hu ,  Chung M. Lau ,  Kevin Yang ,  Joshua S. Zhu ,  Peter S. Shen ,  Thomas C. Jednacz

IPC分类号： H02J13/00 ,  H05B37/02 ,  H05B41/36 ,  H05B41/392

CPC分类号： H05B41/3927 ,  H02J13/0048 ,  H05B37/0263 ,  H05B41/36 ,  Y02B70/3283 ,  Y02E60/783 ,  Y04S20/246 ,  Y04S40/123 ,  Y10S315/04 ,  Y10T307/477

摘要： A dimming ballast system wherein the light output of the lamp is controlled by a remote source. The ballast output voltage is regulated by a voltage control feedback loop, the dimming function being achieved by varying the set point of the control loop. The remote control signal, coded by interrupting the current flow to the ballast for a short period, is processed digitally by a microcomputer which generates information to vary the control set point. Circuit means are provided to control the filament voltage of the fluorescent lamps such that as the lamps are dimmed down, the filament voltage is maintained or slightly increased, thus prolonging lamp life and stabilizing the lamp light output.

摘要翻译： 调光镇流器系统，其中灯的光输出由远程源控制。 镇流器输出电压由电压控制反馈回路调节，调光功能通过改变控制回路的设定点来实现。 通过中断流入镇流器的电流短时间编码的遥控信号由产生信息以改变控制设定点的微计算机数字地处理。 提供电路装置以控制荧光灯的灯丝电压，使得当灯被调暗时，灯丝电压保持或略微增加，从而延长灯的寿命并稳定灯的光输出。

公开(公告)号：US5055746A

公开(公告)日：1991-10-08

申请号：US565689

申请日：1990-08-13

申请人： Feng-Kang Hu ,  Chung M. Lau ,  Kevin Yang ,  Joshua S. Zhu ,  Peter S. Shen ,  Thomas C. Jednacz

发明人： Feng-Kang Hu ,  Chung M. Lau ,  Kevin Yang ,  Joshua S. Zhu ,  Peter S. Shen ,  Thomas C. Jednacz

IPC分类号： H02J13/00 ,  H05B41/36 ,  H05B41/392

CPC分类号： H05B41/36 ,  H02J13/0048 ,  H05B41/3927 ,  Y02E60/783 ,  Y04S40/123 ,  Y10S315/04 ,  Y10T307/477

摘要： A dimming ballast system wherein the light output of the lamp is controlled by a remote source. The ballast output voltage is regulated by a voltage control feedback loop, the dimming function being achieved by varying the set point of the control loop. The remote control signal, coded by interrupting the current flow to the ballast for a short period, is processed digitally by a microcomputer which generates information to vary the control set point. Circuit means are provided to control the filament voltage of the fluorescent lamps such that as the lamps are dimmed down, the filament voltage is maintained or slightly increased, thus prolonging lamp life and stabilizing the lamp light output.

公开(公告)号：US5506715A

公开(公告)日：1996-04-09

申请号：US419742

申请日：1995-04-12

申请人： Joshua S. Zhu

发明人： Joshua S. Zhu

IPC分类号： H04Q9/00 ,  G08C23/04 ,  G08C25/00 ,  H03K5/1252 ,  H04Q9/14 ,  H04B10/00

CPC分类号： H03K5/1252 ,  G08C23/04 ,  G08C25/00

摘要： A lighting system having an electric lamp controlled by an infrared remote controller. The remote controller incorporates a commercially available transmitter and receiver which reliably functions in the presence of infrared noise having frequencies at and about the carrier frequency of the transmitted signal. The remote controller receiver outputs a demodulated signal and a filter acts on the demodulated signal to remove noise present in the demodulated signal caused by the electric lamp by comparing measured time intervals between leading and trailing edges of the demodulated signal to predetermined values defining data elements.

摘要翻译： 具有由红外遥控器控制的电灯的照明系统。 遥控器包括市售的发射器和接收器，其在存在红外噪声的情况下可靠地起作用，该红外噪声具有在发射信号的载波频率和频率附近。 遥控器接收器输出解调信号，并且滤波器作用在解调信号上，以通过将解调信号的前沿和后沿之间的测量时间间隔与定义数据元素的预定值进行比较来去除由电灯引起的解调信号中存在的噪声。