Intelligent video information management system with information archiving capabilities
First Claim
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1. A video data storage apparatus, comprising:
- source means for providing video data;
first storage means including a first storage medium for storing said video data provided by said source means;
second storage means including a second storage medium on which video data provided by said source means has been recorded;
third storage means including a third storage medium for storing video data to be archived; and
control means for controlling said first storage means to store said video data provided by said source means, while controlling said second and third storage means to transfer said video data recorded on said second storage medium from said second storage medium to said third storage medium.
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Abstract
A video data storage apparatus includes a source of video data including a number of video cameras and digitizing circuitry. Two hard disk drives are provided in the apparatus for storing the video data. Also provided in the apparatus is an archive device such as a back-up tape unit. Video data is stored on one of the hard disks, while concurrently video data is copied from the other hard disk onto the tape backup.
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Citations
29 Claims
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1. A video data storage apparatus, comprising:
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source means for providing video data; first storage means including a first storage medium for storing said video data provided by said source means; second storage means including a second storage medium on which video data provided by said source means has been recorded; third storage means including a third storage medium for storing video data to be archived; and control means for controlling said first storage means to store said video data provided by said source means, while controlling said second and third storage means to transfer said video data recorded on said second storage medium from said second storage medium to said third storage medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of archiving video data stored in a video data storage apparatus, the apparatus including a plurality of video cameras, first and second video data storage hard disks, an index data storage hard disk, an archive recording medium and a drive unit for the archive recording medium, the method comprising the steps of:
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(a) storing on said first video data storage hard disk video data representative of dynamic video signal streams generated by said video cameras, while storing on said index data storage hard disk index data indicative of times of recording and sources of the video data being stored on said first video data storage hard disk; (b) concurrently with step (a), recording on said archive recording medium all video data stored on said second video data storage hard disk and index data stored on said index data storage hard disk and indicative of times of recording and sources of the video data stored on said second video data storage hard disk; and (c) after completion of step (b), (i) storing on said second video data storage hard disk video data representative of dynamic video signal streams generated by said video cameras; and (ii) concurrently with step (c)(i), recording on said archive recording medium index data stored on said index data storage hard disk and indicative of times of recording and sources of the video data stored on said first video data storage hard disk during step (a) and also storing on said archive recording medium said video data stored on said first video data storage hard disk during step (a). - View Dependent Claims (17, 18)
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19. An apparatus for storing and retrieving video data, comprising:
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a plurality of video cameras generating respective sequences of video signals; a first hard disk for selectively storing video data corresponding to the video signals generated by said video cameras, and for selectively outputting the video data stored on said first hard disk; a second hard disk for selectively storing video data corresponding to the video signals generated by said video cameras, and for selectively outputting the video data stored on said second hard disk; an archive medium drive unit for selectively recording on an archive recording medium video data stored on and outputted from said first and second hard disks; display means for selectively displaying an image corresponding to video data stored on and outputted from said first and second hard disks; and control means for controlling said first and second hard disks, said archive medium drive unit and said display means, said control means selectively performing recording operations in which video data corresponding to the video signals generated by said video cameras is recorded on a selected one of said hard disks, playback operations in which said display means displays an image corresponding to video data read from a selected one of said hard disks, and archiving operations in which video data outputted from a selected one of said hard disks is recorded on said archive recording medium, at least some of said recording, playback and archiving operations exhibiting dynamic variations in a quantity of video data involved in said operations, said control means having a finite processing capacity and allocating its said processing capacity so as to give priority to said recording operations relative to said playback operations and so as to give priority to said playback operations relative to said archiving operations. - View Dependent Claims (20, 21)
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22. A video data storage apparatus, comprising:
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video information source means for providing a sequence of frames of video data; primary storage means including a storage medium for storing video data provided by said video information source means; archive storage means for storing video data to be archived; and control means for controlling said primary storage means to store said video data provided by said video information source means at a storage rate selected by said control means, said control means also controlling said primary storage means and said archive storage means to transfer to said archive storage means video data stored by said primary storage means, said control means calculating a first time for completion of transferring of a predetermined quantity of stored video data from said primary storage means to said archive storage means, and calculating a second time for completion of storing on said primary storage means of a predetermined number of fields of video data to be provided by said video information source means, said control means comparing said calculated first and second times and, on the basis of a result of said comparison, selecting said storage rate at which said primary storage means stores said video data provided by said video information source means. - View Dependent Claims (23, 24, 25)
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26. Video information storage apparatus, comprising:
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a plurality of video cameras each for generating a respective stream of video information; a housing; storage means fixedly mounted in said housing for storing the streams of video information; archive means for driving a recording medium that is removable from said housing, said archive means being operated to copy onto a sequence of removable recording media video information sequentially stored on said storage means; and means for generating removable media data and for recording said removable media data on said storage means, said removable media data including data corresponding to each of a plurality of said removable recording media upon which said video information was copied, said data corresponding to each removable recording medium including data indicative of the video cameras by which and the times at which the video information copied on the recording medium was generated. - View Dependent Claims (27, 28, 29)
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Specification