Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2007-02-13
2007-02-13
Tran, Thai Q. (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000, C386S349000
Reexamination Certificate
active
09632200
ABSTRACT:
A disk drive apparatus is provided which is capable of performing recording and playback processing of an AV data stream requiring real-time characteristics and processing in an operation mode suitable for battery driving. The construction is formed in such a way that a first operation mode in which a disk rotation speed is set to be low, to which error handling in which an upper limit of an error handling time is determined as an error processing method suitable for performing recording or playback of real-time continuous information is made to correspond, and a second operation mode in which the disk rotation speed is set to be high and in which retries can be performed repeatedly as an error processing method suitable for performing recording or playback of data having high reliability, can be set. Thus, lower power consumption of real-time continuous data processing in image recording and playback by battery driving, such as in a portable video camera, is realized.
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Yada Hiroaki
Yamashita Keitaro
Frommer William S.
Frommer & Lawrence & Haug LLP
Presson Thomas F.
Tran Thai Q.
Vent Jamie
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