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Multimedia process monitor and control system
| Details |
Inventors: Yonekura, Toshiaki; Maenosono, Toshio; Nakatao, Shiro; Fujiwara, Masahiro; Katada, Yuji; Karasawa, Takashi;
Assignee: Fuji Facom Corp. (Tokyo, JP); Fuji Electric Co. Ltd. (Kawasaki, JP)
Primary Examiner: Voeltz; Emanuel T.
Assistant Examiner: Assouad; Patrick J.
Attorney, Agent or Firm: Greer, Burns & Crain, Ltd.
An image signal captured by a monitor camera is input to an image processing device, displayed on a multiwindow display, and stored in a main storage device. A sound signal collected by a mike is input to a sound processing device, regenerated through a speaker, and stored in the main storage device. Process data transmitted from a process data controller are displayed on the display and stored in the main storage device. If an abnormal condition is detected in a monitored object, often the data stored in the main storage device before or after the abnormal condition has occurred are saved into a auxiliary storage device. When data are regenerate, the saved data are synchronized with each other while being regenerated on the display and through the speaker. |
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DETAILED DESCRIPTION The present invention has been developed to solve each of the above described problems, and aims to add various functions using multimedia and provides a high-performance multimedia process monitor and control system which can be easily operated.
According to the first principle of the present invention, the multimedia process monitor and control system for displaying on a display an image obtained by capturing a monitor object and process data input/output for the monitored object and for regenerating a sound collected from the monitored object comprises a unit for storing each type of data in a main storage cyclically in real time, a unit for saving in an auxiliary storage device each type of data stored in the main storage in a given period before and after an abnormal condition if it has been detected, and a unit for reading each type of data saved in the auxiliary storage device and regenerating them in synchronization through a display and a speaker.
An image obtained by capturing a monitored object, process data input/output in relation to the monitored object, and a sound collected from the monitored object are stored in the main storage device cyclically in real time.
If an abnormal condition has been detected, then all data stored in the main storage device within a given period before and after the abnormal condition are temporarily saved in the auxiliary storage device.
At the time of regenerating data, the saved data are read from the auxiliary storage unit, and regenerated in synchronization through the display and speaker.
The second principle of the present invention based on the first principle further comprises a unit for comparing input process data with the latest process data already input and stored in the main storage device, determining whether or not they match each other, and detecting a change in the state of the process data, and a unit for storing process data in the main storage device only when the change in the state of the process data has been detected
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