Continuous recording system, method, and recording medium recording continuous recording program and capable of being read by computer
First Claim
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1. A continuous recording system comprising:
- a real-time encoder for converting an analog video signal inputted from a video camera into digital video data in a real-time manner and transmitting;
a video server, having a plurality of storing devices, for storing the inputted digital video data into said storing devices in a real-time manner and transmitting the digital video data read out from said storing devices to a terminal apparatus for reproducing an image; and
a long time recording terminal apparatus having a long time recording processing unit for storing the digital video data sent from said real-time encoder into said storing devices while sequentially switching said plurality of storing devices of said video server, thereby continuously recording said digital video data,wherein said long time recording processing unit operates such that;
a recording preparation to a specific recording apparatus is requested to said video server on the basis of a recording start instruction;
an encoding of said real-time encoder is started on the basis of a notification of completion of the recording preparation from said video server, and while receiving the transmitted digital video data, said digital video data is stored into said storing devices of said video server;
a predetermined switching interval time of the recording apparatus is monitored, at a stage where said switching interval time approaches, the recording preparation to a next recording apparatus is requested to said video server, and a recording preparation completion state which can be switched is accomplished; and
at a time point when reaching said switching interval time, a storage destination of said digital video data is switched from the storing device in which the data is at present being stored to another storing device in the recording preparation completion state.
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Abstract
An analog video signal inputted from a video camera is converted into digital video data in a real-time manner by a real-time encoder and is transmitted. A video server has a plurality of storing devices, stores the inputted digital video data into any one of the storing devices in a real-time manner, and transmits the digital video data read out from any one of the storing devices to a video reproducing terminal apparatus. A long time recording processing unit stores the digital video data sent from the real-time encoder into the plurality of storing devices of the video server while sequentially switching the storing devices, thereby continuously recording the digital video data.
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Citations
29 Claims
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1. A continuous recording system comprising:
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a real-time encoder for converting an analog video signal inputted from a video camera into digital video data in a real-time manner and transmitting; a video server, having a plurality of storing devices, for storing the inputted digital video data into said storing devices in a real-time manner and transmitting the digital video data read out from said storing devices to a terminal apparatus for reproducing an image; and a long time recording terminal apparatus having a long time recording processing unit for storing the digital video data sent from said real-time encoder into said storing devices while sequentially switching said plurality of storing devices of said video server, thereby continuously recording said digital video data, wherein said long time recording processing unit operates such that; a recording preparation to a specific recording apparatus is requested to said video server on the basis of a recording start instruction; an encoding of said real-time encoder is started on the basis of a notification of completion of the recording preparation from said video server, and while receiving the transmitted digital video data, said digital video data is stored into said storing devices of said video server; a predetermined switching interval time of the recording apparatus is monitored, at a stage where said switching interval time approaches, the recording preparation to a next recording apparatus is requested to said video server, and a recording preparation completion state which can be switched is accomplished; and at a time point when reaching said switching interval time, a storage destination of said digital video data is switched from the storing device in which the data is at present being stored to another storing device in the recording preparation completion state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A continuous recording method comprising:
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a video data converting step of converting an analog video signal inputted from a video camera into digital video data in a real-time manner by a real-time encoder and transmitting; a long time recording step of storing the digital video data sent from said real-time encoder into a plurality of storing devices of a video server while sequentially switching said storing device, thereby continuously recording said digital video data; and a recording and reproducing step of reading out the digital video data stored in a real-time manner in said storing devices of said video server and transmitting to a terminal apparatus for reproducing an image, wherein said long time recording step includes requesting to said video server a recording preparation to a specific recording apparatus on the basis of a recording start instruction, starting an encoding of said real-time encoder on the basis of a notification of completion of the recording preparation from said video server, and, while receiving the transmitted digital video data, storing said digital video data into said storing devices of said video server, monitoring a predetermined switching interval time of the recording apparatus, and, at a stage where said switching interval time approaches, requesting to the video server the recording preparation to a next recording apparatus, and a recording preparation completion state which can be switched is accomplished, and switching a storage destination of said digital video data from the storing device in which the data is at present being stored to another storing device in the recording preparation completion state at a time point when reaching said switching interval time. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A recording medium in which a continuous recording program has been recorded and which can be read by a computer, comprising:
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a long time recording processing module for continuously recording digital video data from a real-time encoder to convert and transmit an analog video signal inputted from a video camera in a real-time manner by storing said digital video data into a plurality of storing devices of a video server while sequentially switching said storing devices, wherein in said long time recording processing module, a recording preparation to a specific recording apparatus is requested to said video server on the basis of a recording start instruction, an encoding of said real-time encoder is started on the basis of a notification of completion of the recording preparation from said video server, and while receiving the transmitted digital video data, said digital video data is stored into the storing devices of said video server, a predetermined switching interval time of the recording apparatus is monitored, at a stage where said switching interval time approaches, the recording preparation to a next recording apparatus is requested to said video server, and a recording preparation completion state which can be switched is accomplished, and at a time point when reaching said switching interval time, a storage destination of said digital video data is switched from the storing device in which the data is at present being stored to another storing device in the recording preparation completion state.
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Specification