Shockproof optical reproduction device
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
May 21, 1996
filing date -
Jun 30, 1995
priority date (Note) -
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Abstract
A data reproduction apparatus is provided to supply audio data without sound skipping caused by positional deviation in read position, while avoiding an increase in circuit area. In one embodiment, the data reproduction apparatus includes a reading unit for optically reading data recorded on a recording medium. A first signal processing circuit produces a format data signal based on the data read by the reading unit. A second signal processing circuit performs a demodulation process on the format data signal to produce a demodulated format data signal including main data and subcode data. The second signal processing circuit also subjects the main data signal to a decoding process to produce a reproduced data signal. A buffer memory temporally stores the reproduced data signal. A shockproof controller controls the writing and reading of the reproduced data signal into and from the buffer memory. An operation controller causes the shockproof controller to stop the writing of the reproduced data signal in the buffer memory and causes the reading unit to repeat the reading of the data associated with the interrupted format data signal when the format data signal produced by the first signal processing circuit is interrupted. Further, when one of the operation controller and the shockproof controller receives the subcode data signal from the second signal processing circuit, the shockproof controller restarts the writing into the buffer memory of the reproduced data signal associated with the repeated reading of the data associated with the interrupted format data signal.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SANYO ELECTRIC CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Watanabe, Tomofumi | Gifu-ken, JP | 32 | 228 |
Yamazaki, Tetsuo | Gifu-ken, JP | 4 | 33 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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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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