Apparatus and method for providing plural pictures while searching a recording medium whereon a compressed picture signal is recorded
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United States of America Patent
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Apr 2, 1996
Grant Date -
N/A
app pub date -
Sep 22, 1993
filing date -
Sep 22, 1992
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for reproducing pictures from a recording medium in search mode wherein each picture is recorded in the recording medium in the form of a coded signal. The coded signal is coded in either an intra-picture coding mode or an inter-picture coding mode. The coded signal of a picture coded in the intra-picture coding mode is an I-picture; the coded signal of a picture coded in the inter-picture coding mode with only forward prediction is a P-picture; and the coded signal of a picture coded in the inter-picture coding mode with bidirectional prediction is a B-picture. The pictures are reproduced from a read position on the recording medium. To provide an increased number of pictures in search mode, the read position is changed to a first read position, and an I-picture is immediately reproduced from the recording medium at the first read position. Then, at least one B-picture or one P-picture is immediately reproduced from the recording medium following the I-picture. Finally, the I-picture and the at least one B-picture or P-picture is decoded to provide an output signal for display.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
| Patent Owner | Address | |
|---|---|---|
| SONY CORPORATION | TOKYO 108-0075 |
International Classification(s)
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Fujinami, Yasushi | Kanagawa, JP | 169 | 3928 |
| Veltman, Markus H | Tokyo, JP | 9 | 1231 |
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| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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