Recording method for video/audio data
First Claim
1. Recording method for data which have been or are being generated at a data source in a time sequenced manner and are transmitted via a digital network to at least one recording device for storage, comprising:
- recording the data at the data source before the transmission on the digital network in such a way that, after a fault on the digital network, data which were intended for transmission during a period of the fault are available for transmission to the at least one recording device; and
automatically initiating a transmission of data recorded at the data source during the fault via the digital network when freedom from faults is detected after said fault of the data transmission;
wherein;
test signals are sent via the digital network at fixed time intervals in order to be able to detect faults with respect to the data transmission on the digital network after an initial connection has been established; and
a data gap between received data which originated during the fault of the data transmission on the at least one recording device is filled by writing the data recorded at the data source into the data gap in a correct time sequence.
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Accused Products
Abstract
In order to provide a recording method for data which have been or are being generated at a data source in a time sequenced manner and are transmitted via a digital network to at least one recording device for storage, by means of which method the data can be reliably recorded, it is provided that the data are stored at the data source before the transmission on the digital network in such a way that, after a fault on the digital network, data which were intended for transmission during the period of the fault can be made available to the at least one recording device.
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Citations
30 Claims
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1. Recording method for data which have been or are being generated at a data source in a time sequenced manner and are transmitted via a digital network to at least one recording device for storage, comprising:
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recording the data at the data source before the transmission on the digital network in such a way that, after a fault on the digital network, data which were intended for transmission during a period of the fault are available for transmission to the at least one recording device; and automatically initiating a transmission of data recorded at the data source during the fault via the digital network when freedom from faults is detected after said fault of the data transmission; wherein; test signals are sent via the digital network at fixed time intervals in order to be able to detect faults with respect to the data transmission on the digital network after an initial connection has been established; and a data gap between received data which originated during the fault of the data transmission on the at least one recording device is filled by writing the data recorded at the data source into the data gap in a correct time sequence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. Data acquiring device for video/audio data, comprising:
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an interface to a digital network for the transmission of data to at least one recording device via the digital network, a data memory, by means of which data are recordable before transfer to the digital network, in order to be able after a transmission fault on the digital network to provide data which were generated during a period of the fault, a detection apparatus for emitting test signals to the digital network at fixed time intervals in order to be able to detect faults of the data transmission after an initial connection has been established, and means for automatically initiating a transmission of data recorded during the fault via the digital network to the at least one recording device when freedom from faults is detected after said fault of the data transmission, wherein, after a detected fault, received data which have been recorded during the period of the fault and are transmitted after ending of the fault are written into memory of the at least one recording device in a data gap between received data in a correct time sequence. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. Recording system for video/audio data, comprising:
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(i) at least one data acquiring device for video/audio data, comprising; an interface to a digital network for the transmission of data via the digital network; and a data memory by means of which data are recordable before transfer to the digital network, in order to be able after a transmission fault on the digital network to provide data which were generated during a period of the fault; (ii) at least one recording device for video/audio data, comprising; an interface for a digital network, via which data are receivable from the digital network; and a memory for recording the data; and (iii) a detection apparatus, by means of which, after an initial connection is established, test signals are emittable to the digital network or test signals are receivable from the digital network or test signals are emittable and receivable, in order to be able to detect faults of the data transmission from the data acquiring device; wherein; the data acquiring device and the recording device are co-operating via the digital network; a transmission of data recorded at the data source during the fault via the digital network is automatically initiated when freedom from faults is detected after said fault of the data transmission; and data which have been recorded during the period of the fault and are transmitted after ending of the fault are written into memory of the at least one recording device in a data gap between received data in a correct time sequence. - View Dependent Claims (29, 30)
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Specification