Method for transmitting video data
First Claim
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1. A transmission method for video data acquired in a mobile unit over a long time and communicated to a control center only infrequently via data channels having a limited bandwidth, the method comprising:
- partially transmitting temporarily recorded video data to a video data backup unit; and
concomitantly recording event-based identification data during the temporary recording and transmitting only video data identified by identification data to the video data backup unit,wherein all video data is stored temporarily in a memory sufficient to store more video data than arise between two archiving times,identification data used to identify video data for backup is provided at time of recording or at a later stage,an evaluation of the identification is effected in a bandwidth-dependent manner, anddata identified is transmitted while data not transmitted is maintained in the temporary storage.
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Abstract
A video transmission method in which temporarily recorded video data are partially transmitted to a video data backup unit. In this case event-based identification data are concomitantly recorded during the temporary recording and only video data identified by identification data are transmitted to the video data backup unit.
8 Citations
20 Claims
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1. A transmission method for video data acquired in a mobile unit over a long time and communicated to a control center only infrequently via data channels having a limited bandwidth, the method comprising:
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partially transmitting temporarily recorded video data to a video data backup unit; and concomitantly recording event-based identification data during the temporary recording and transmitting only video data identified by identification data to the video data backup unit, wherein all video data is stored temporarily in a memory sufficient to store more video data than arise between two archiving times, identification data used to identify video data for backup is provided at time of recording or at a later stage, an evaluation of the identification is effected in a bandwidth-dependent manner, and data identified is transmitted while data not transmitted is maintained in the temporary storage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A transmission method for video data acquired in a bus over a long time and communicated to a control center only infrequently, namely on a daily basis via data channels having a limited bandwidth, the method comprising:
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partially transmitting temporarily recorded video data to a video data backup unit; and concomitantly recording event-based identification data during the temporary recording and transmitting only video data identified by identification data to the video data backup unit, wherein all video data is stored temporarily in a memory sufficient to store video data for a week and thus sufficient to store more video data than arise between two archiving times, part of the identification data used to identify video data for backup is provided at time of recording while another part of the identification data is provided after the recording of the video data identified at a later stage, an evaluation of the identification is effected in a bandwidth-dependent manner, and data identified is transmitted while data not transmitted is maintained in the temporary storage. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification