Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Reexamination Certificate
1999-03-19
2001-07-17
Dinh, Tan (Department: 2651)
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
C369S032010
Reexamination Certificate
active
06262951
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an information reproducing system.
As a system for reproducing information such as a moving picture recorded on an optical disc, VTR, DVTR, DVD and others are known.
There has been known a reproducing system in which the speed for reproducing recorded information can be increased to a predetermined speed, for example 2-fold speed or 3-fold speed, thereby shortening time for watching the reproduced picture.
However, the reproducing speed can not be arbitrarily set in order to watch the picture within a desired time.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an information reproducing system which is possible to increase the reproducing speed to an arbitrary speed.
According to the present invention, there is provided an information reproducing system comprising, setting means for setting an arbitrary desired reproducing time for reproducing information recorded on a recording medium, means for obtaining an ordinary reproducing time based on management information recorded on the recording medium when the recorded information is reproduced at a standard reproducing speed, calculating means for calculating a skipping rate from the desired reproducing time and the ordinary reproducing time, preparing means for preparing a reproduction address map from the skipping rate, reproducing means for reproducing the information recorded on the recording medium in the set desired reproducing time at the calculated skipping rate.
The system further comprises instructing means for instructing skipping of information during the reproduction, means responsive to the instruction by the instructing means for skipping the information after the instruction for a predetermined time, and means for updating the reproduction address map at the timing of the skipping of the information.
These and other objects and features of the present invention will become more apparent from the following detailed description with reference to the accompanying drawings.
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Endo Jiro
Irisawa Takashi
Ishii Hidehiro
Park Youngju
Shimizu Yuji
Dinh Tan
Morgan & Lewis & Bockius, LLP
Pioneer Electronic Corporation
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