Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Reexamination Certificate
1998-10-19
2001-02-13
Dinh, Tan (Department: 2752)
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
C369S032010
Reexamination Certificate
active
06188650
ABSTRACT:
BACKGROUND OF THE INVENTION
In general, the present invention relates to a recording apparatus, a recording method, a playback apparatus, a playback method, a recording/playback apparatus, a recording/playback method, a presentation medium and a recording medium. More particularly, the present invention relates to a recording apparatus, a recording method, a playback apparatus, a playback method, a recording/playback apparatus, a recording/playback method, a presentation medium and a recording medium that make it possible to again make an access to a location on a disc which was accessed immediately before the disc was ejected.
In recent years, as a recording medium for recording data such as video information, a disc is drawing much attention, replacing a magnetic tape. Having a lack of random accessibility, a magnetic tape is suitable for use as a recording medium for simply recording and playing back video information continuously.
On the other hand, since a disc allows random accesses, video information can be played back from any arbitrary locations on the disc in any arbitrary order even if the video information was recorded on the disc continuously.
When a magnetic tape is ejected from a recording/playback apparatus, the magnetic tape can be put at the same position as the position the magnetic tape is ejected with ease. Thus, when the magnetic tape is remounted on the recording/playback apparatus, processing to record or play back information onto or from the magnetic tape can be started from the position immediately prior to the eject operation. In the case of an ejected disc, however, there is raised a problem that it is difficult to start processing to record or play back information onto or from the disc from a position immediately prior to an eject operation due to unfortunately to the random accessibility of the disc.
SUMMARY OF THE INVENTION
It is thus an object of the present invention addressing the problem described above to make accesses started from a position immediately prior to an eject operation.
In accordance with one aspect of the present invention, there is provided a recording apparatus for recording information on a recording medium is characterized in that the apparatus including:
a recording means for making an access to a predetermined location on the recording medium and recording information on the location;
a commanding means for making a request for ejection of the recording medium from the recording apparatus;
a storage means for storing resume-function related information including at least a location on the recording medium accessed by the recording means immediately prior to the ejection of the recording medium requested by the commanding means;
a transfer control means for controlling an operation to transfer the resume-function related information stored in the storage means to the recording medium prior to the ejection of the recording medium; and
an ejecting means for ejecting the recording medium from the recording apparatus upon completion of the operation to transfer the resume-function related information stored in the storage means to the recording medium.
In accordance with another aspect of the present invention, there is provided a recording method adopted in a recording apparatus for recording information on a recording medium is characterized in that the method including:
a recording step of making an access to a predetermined location on the recording medium and recording information on the location;
a commanding step of making a request for ejection of the recording medium from the recording apparatus;
a storage step of storing resume-function related information including at least a location on the recording medium accessed at the recording step immediately prior to the ejection of the recording medium requested at the commanding step;
a transfer control step of controlling an operation to transfer the resume-function related information stored at the storage step to the recording medium prior to the ejection of the recording medium; and
an ejecting step of ejecting the recording medium from the recording apparatus upon completion of the operation to transfer the resume-function related information to the recording medium.
In accordance with further aspect of the present invention, there is provided a presentation medium is characterized in that the presentation medium is used for presenting a program executable by a computer to drive a recording apparatus for recording information on a recording medium to carry out processing including:
a recording step of making an access to a predetermined location on the recording medium and recording information on the location;
a commanding step of making a request for ejection of the recording medium from the recording apparatus;
a storage step of storing resume-function related information including at least a location on the recording medium accessed at the recording step immediately prior to the ejection of the recording medium requested at the commanding step;
a transfer control step of controlling an operation to transfer the resume-function related information stored at the storage step to the recording medium prior to the ejection of the recording medium; and
an ejecting step of ejecting the recording medium from the recording apparatus upon completion of the operation to transfer the resume-function related information to the recording medium.
In accordance with still further aspect of the present invention, there is provided a playback apparatus for playing back information from a recording medium is characterized in that the apparatus including:
a playback means for making an access to a predetermined location on the recording medium and playing back information recorded on the recording medium from the location;
a reading means for reading out resume-function related information from the recording medium upon insertion of the recording medium into the playback apparatus; and
a location control means for controlling a location on the recording medium to be accessed by the playback means in accordance with what is read out by the reading means from the recording medium.
In accordance with yet further aspect of the present invention, there is provided a playback method adopted in a playback apparatus for playing back information from a recording medium is characterized in that the method including:
a playback step of making an access to a predetermined location on the recording medium and playing back information recorded on the recording medium from the location;
a reading step of reading out resume-function related information from the recording medium upon insertion of the recording medium into the playback apparatus; and
a location control step of controlling a location on the recording medium to be accessed at the playback step in accordance with what is read out from the recording medium at the reading step.
In accordance with yet aspect of the present invention, there is provided a presentation medium is characterized in that the presentation medium is used for presenting a program executable by a computer to drive a playback apparatus for playing back information from a recording medium to carry out processing including:
a playback step of making an access to a predetermined location on the recording medium and playing back information recorded on the recording medium from the location;
a reading step of reading out resume-function related information from the recording medium upon insertion of the recording medium into the playback apparatus; and
a location control step of controlling a location on the recording medium to be accessed at the playback step in accordance with what is read out from the recording medium at the reading step.
In accordance with yet aspect of the present invention, there is provided a recording/playback apparatus for recording and playing back information onto and from a recording medium is characterized in that the apparatus including:
a recording/playback means for making an access to a predetermined location on the recording medium an
Fujinami Yasushi
Hamada Toshiya
Dinh Tan
Frommer William S.
Frommer Lawrence & Haug LLP.
Polito Bruno
Sony Corporation
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