US Patent No: 5,845,042
Number of patents in Portfolio can not be more than 2000
Transmission recording and reproduction of digital data and time information in transport packets using a compression ratio
Stats
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Dec 1, 1998
Issued date -
May 22, 1997
filing date -
08/862,070
serial no -
Expired
status
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Abstract
A data packet which contains time information is time compressed and the time information is extracted from the time compressed data packet. A system clock is synchronized with the extracted time information and is multiplied by a predetermined compression ratio to produce replacement time information which replaces the time information in the time compressed data packet. The time compressed data packet that now contains the replacement time information is modulated and transmitted or recorded.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,673,358 Method for generating a reduced rate digital bitstream by selecting data as a function of the position within an image to which the data corresponds | 9 | 1996 | |
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| 5,687,275 Trick play data indentification methods and apparatus for use with digital video recording and playback devices | 43 | 1995 | |
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| 5,642,460 High efficiency coding recording and reproducing apparatus | 7 | 1994 | |
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| 5,587,806 Apparatus for separately recording input coded video signal and important data generated therefrom | 27 | 1994 | |