JPH0314771U - - Google Patents
Info
- Publication number
- JPH0314771U JPH0314771U JP7518589U JP7518589U JPH0314771U JP H0314771 U JPH0314771 U JP H0314771U JP 7518589 U JP7518589 U JP 7518589U JP 7518589 U JP7518589 U JP 7518589U JP H0314771 U JPH0314771 U JP H0314771U
- Authority
- JP
- Japan
- Prior art keywords
- format
- recording
- copied
- information
- recording medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は、本考案の一実施例を示す説明図であ
る。第２図は、従来のコピー防止フオーマツト付
き情報記録媒体の例を示す説明図である。
１……システムで使用している領域、２……領
域１の外部の領域、３……コピーされていない領
域、４……特殊フオーマツト、５……特殊フオー
マツトに対応する部分。
FIG. 1 is an explanatory diagram showing an embodiment of the present invention. FIG. 2 is an explanatory diagram showing an example of a conventional information recording medium with a copy prevention format. 1... Area used by the system, 2... Area outside area 1, 3... Area not copied, 4... Special format, 5... Portion corresponding to the special format.
Claims (1)
ーができないフオーマツトの記録部分を有する情
報記録媒体において、先に構築した通常システム
のフオーマツトの領域の外部の空き領域に、コピ
ーされたものかどうかを判別するための任意のフ
オーマツトの記録を追加したことを特徴とするコ
ピー防止フオーマツト付き情報記録媒体。 In an information recording medium that has a recording part in a format that cannot be copied by a copying program, determine whether the information has been copied to a free area outside the format area of a previously constructed normal system. 1. An information recording medium with a copy-prevention format, characterized in that recording in an arbitrary format is added for the purpose of recording.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7518589U JPH0314771U (en) | 1989-06-27 | 1989-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7518589U JPH0314771U (en) | 1989-06-27 | 1989-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314771U true JPH0314771U (en) | 1991-02-14 |
Family
ID=31615540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7518589U Pending JPH0314771U (en) | 1989-06-27 | 1989-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704844A1 (en) | 1994-09-30 | 1996-04-03 | Victor Company Of Japan, Limited | Optical disc and information management system for the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61208626A (en) * | 1985-03-13 | 1986-09-17 | Nec Corp | Medium copying system |
-
1989
- 1989-06-27 JP JP7518589U patent/JPH0314771U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61208626A (en) * | 1985-03-13 | 1986-09-17 | Nec Corp | Medium copying system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0704844A1 (en) | 1994-09-30 | 1996-04-03 | Victor Company Of Japan, Limited | Optical disc and information management system for the same |
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