CN1202781A - 远程图像信息监视器 - Google Patents

远程图像信息监视器 Download PDF

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CN1202781A
CN1202781A CN98106668A CN98106668A CN1202781A CN 1202781 A CN1202781 A CN 1202781A CN 98106668 A CN98106668 A CN 98106668A CN 98106668 A CN98106668 A CN 98106668A CN 1202781 A CN1202781 A CN 1202781A
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remote
image
state information
signal
monitor
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金兴洙
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

一种采用非对称高速数据调制解调器来监视远程位置图像的远程图像信息监视器,这种远程图像信息监视器包括,分别安装在多个远程位置的多个远程设备,用于发送远程位置的环境状态信息和被测地点的环境图像,以及一个长途中心,它根据从远程设备接收到的状态信息来选择多个远程设备之一,接收远程设备发送的图像,并且将图像显示在显示屏幕上。

Description

远程图像信息监视器
本发明涉及一种远程图像信息监视器，特别是涉及到采用非对称高速数据调制解调器通过电话线来监视远程位置图像的一种监视器。
图1是通用的远程位置管理装置的一个框图。这种通用远程位置管理装置具有一个状态监视控制器150，多个拨号基站调制解调器142和144，以及多个用户设备110和120。用户设备110包括一个拨号分支调制解调器113，状态监视器112和一个传感器111，用户设备120包括一个拨号分支调制解调器123，状态监视器122和一个传感器121。
如图1所示，用户设备110和120分别通过连接到电话线132和134的拨号基站调制解调器142和144向状态监视控制器150发送状态信息。也就是说，状态监视器112和122接收由各自的传感器111和121检测的环境状态信息，并且向各自的拨号分支站调制解调器113和123发送状态信息。状态监视控制器150根据从各个拨号分支站调制解调器113和123以及拨号基站调制解调器142和144接收到的状态信息的类型发出警报。在出现报警时派出一个操作员到远程位置去处理故障。
如上所述，传感器111和121中的故障很可能会造成系统的故障，因为远程位置的状态只能通过传感器111和121检测到的状态信息来判断。因此，紧急事故和用户不小心造成的故障是很难区分的，并且断开的电话线会妨碍即时的状态指示。
为了解决上述问题，本发明的目的是提供一种远程图像信息监视器，使用非对称高速调制解调器来监视一个远程位置的图像。
与此相应，为实现上述目的而提供的一种远程图像信息监视器包括：分别安装在多个远程位置的多个远程设备，用于发送远程位置的环境状态信息和被监视地点的环境图像；以及一个长途中心，它根据从远程设备接收到的状态信息来选择多个远程设备之一，接收远程设备发送的图像，并且将图像显示在显示屏幕上。
通过以下参照附图对最佳实施例的详细说明可以进一步理解本发明的上述和其他目的，特征及其优点，在附图中：
图1是普通的远程管理设备的一个框图；
图2是按照本发明一个实施例的远程图像信息监视器的框图；以及
图3是按照本发明另一实施例的远程图像信息监视器的框图。
在图2中，本发明的远程图像信息监视器具有多个安装在远程位置的远程设备200和201，用来监视远程位置，以及一个长途中心280，用来选择多个远程设备200和201之一，并且从选定的远程设备接收图像信息。远程设备200具有一个摄像机202，图像信号编码器204，以及一个非对称高速数据分支站调制解调器206。远程设备201具有一个摄像机208，图像信号编码器210，以及一个非对称高速数据分支站调制解调器212，长途中心280包括多个非对称高速数据基站调制解调器282和284，一个图像信号解码器286，一个图像显示器288，以及一个状态监视控制器289。
图2中的远程设备200和201分别通过信道220和224向长途中心280发送远程位置的图像数据，同时和长途中心280一起维护通信线路的稳定状态。长途中心280中的状态监视控制器289按照操作人员的选择来选择远程位置的图像和状态信息，并且可以根据选定的图像和状态信息监视远程位置。具体地说，摄像机202和208分别将指定被测位置的光学信号转换成模拟视频信号形式的电信号。图像信号编码器204和210分别将摄像机输出的模拟视频信号编码成适合高速数据调制解调器发送速度的数字视频数据，并且分别向非对称高速数据分支站调制解调器206和212发送编码的数字视频数据。
非对称高速数据分支站调制解调器206，212，220和224各自采用一种非对称数字用户线(ADSL)方法。ADSL是一种在请求式图象业务中用来通过普通电话线提供视频信号的传输技术，由于从视频服务器向用户发送的下游信道要比从用户向视频服务器发送的上游信道的带宽大得多，所以采用了非对称方式。非对称高速数据分支站调制解调器206和212将接收的视频数据调制成模拟视频信号，并且通过具有宽频带的单向信道216和218向非对称高速数据基站调制解调器282和282发送模拟信号。非对称高速数据基站调制解调器282和284分别将接收的模拟视频信号解调成数字视频数据。此时，非对称高速调制解调器206，212，220和224对普通的电话呼叫没有影响，不需要额外的传输线。图像信号解码器286对一个非对称高速数据基站调制解调器282和284输出的数字视频数据进行解码，产生符合TV标准的图像。状态监视控制器289控制图像信号解码器286，自动地或是按照用户的选择来选择一个非对称高速数据基站制解调器282和284。图像显示器288采用预定的符号或是图形来显示从图像信号解码器286接收到的视频信号。
图3是本发明另一实施例的远程图像信息监视器的框图。这种远程图像信息监视器具有多个远程设备300和310和一个长途中心380，后者用来选择多个远程设备300和310之一，并且从选定的远程设备接收图像信息。远程设备300具有摄像机301，图像信号编码器303，非对称高速数据分支站调制解调器304，以及一个状态监视设备305。远程设备310具有摄像机307，图像信号编码器308，非对称高速数据分支站调制解调器309，以及一个状态监视设备311。长途中心380包括多个非对称高速数据基站调制解调器382和284，一个图像信号解码器386，一个图像显示器388，以及一个状态监视控制器389。
图3中的设备与图2相似，区别仅是在远程设备200和201上增加了状态监视设备305和311以及传感器302和306。传感器302和306分别检测预定位置的环境状态。状态监视设备305和311分别采集由传感器302和306检测到的状态信息，并且将采集到的状态信息转换成特定的状态信息数据。非对称高速数据分支站调制解调器304和309把从各个状态监视设备305和311接收到的状态信息数据和摄像机301和307以及图形信号编码器303和308产生的数字视频数据调制成模拟信号，并且通过带宽比单向信道小一些的信道320和324向非对称高速数据基站调制解调器382和384发送模拟信号。非对称高速数据基站调制解调器382和384分别把从非对称高速数据分支站调解调器304和309接收的模拟状态信息和视频信号解调成数字状态信息数据和视频数据，并且将接收的状态信息发送给图像信号解码器386，不管状态监视控制器389的选择如何。从非对称高速数据基站调制解调器382和384输出的状态信息通过图像信号解码器386，并且将非对称高速数据基站调制解调器382和384输出的数字视频数据解码成满足TV标准的图像。状态监视控制器389可以按照从图像信号解码器386接收到的状态信息发出视频和音频的警报。或者是由状态监视控制器389根据状态信息的内容来选择一个非对称高速数据基站调制解调器382和384，并且输出相应的视频数据。图像显示器388采用预定的符号或是图形来显示从图像信号解码器386接收到的视频数据。
按照上述的本发明，设在远程位置的传感器可以检测环境状态，并且向状态监视控制器发送环境状态信息。这样，操作人员就能通过显示在屏幕上的图像来检查远程位置的情况，并且采取适当的行动。因此可以避免不必要地派出人员。即使是电话线被切断了，也可以马上被发现，因为在远程设备和长途中心之间仍可以维持通信信道。另外，在自动控制的保密系统中，在出现异常情况时，可以用图像形式将这种情况发送到操作人员一侧，以便迅速采取行动。
尽管本发明是参照其特定的最佳实施例来表示和说明的，本领域的技术人员显然还可以在本发明的精神和范围之内实现各种变更和修改。

Claims (7)

1.一种远程图像信息监视器，包括：
分别安装在多个远程位置的多个远程设备，用于发送远程位置的环境状态信息和被测环境地点的图像；以及
一个长途中心，它根据从远程设备接收到的状态信息来选择多个远程设备之一，接收从远程设备发送的图像，并且将图像显示在显示屏幕上。
2.按照权利要求1的远程图像信息监视器，其中，所述多个远程位置设备各自包括：
一个摄像机，用于将环境状态转换成视频电信号；
一个状态监视器，用于接收由一个传感器检测的状态，并且将检测的状态转换成状态信息；
一个图像信号编码器，用于将摄像机的视频电信号转换成视频数据；以及
第一调制解调器，用于将图像信号编码器的视频数据和状态监视器产生的状态信息调制成模拟视频信号和模拟状态信号
3.按照权利要求2的远程图像信息监视器，其中，第一调制解调器是一个非对称高速调制解调器。
4.按照权利要求1的远程图像信息监视器，其中，所述长途中心包括：
第二调制解调器，用于把第一调制解调器调制的状态信号和视频信号解调成状态信息和视频数据；
一个图像信号解码器，用于按照标准和通过该状态信息对第二调制解调器解调的视频数据解码，
一个状态监视控制器，用来控制图像信号解码器，按照从图像信号解码器接收到的状态信息有选择地接收图像数据；以及
一个显示器，用来显示由解码器产生的视频信号。
5.按照权利要求4的远程图像信息监视器，其中，第二调制解调器是一个非对称高速调制解调器。
6.按照权利要求4的远程图像信息监视器，其中，该状态监视控制器按照用户的要求来控制可以选择接收的图像数据。
7.按照权利要求4的远程图像信息监视器，其中，该状态监视控制器根据状态信息的内容发出警报。
CN98106668A 1997-06-18 1998-04-20 远程图像信息监视器 Pending CN1202781A (zh)

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