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
Application number
JP7518589U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7518589U priority Critical patent/JPH0314771U/ja
Publication of JPH0314771U publication Critical patent/JPH0314771U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 媒体の一部に、コピー用プログラムによるコピ
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.
JP7518589U 1989-06-27 1989-06-27 Pending JPH0314771U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61208626A (en) * 1985-03-13 1986-09-17 Nec Corp Medium copying system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61208626A (en) * 1985-03-13 1986-09-17 Nec Corp Medium copying system

Cited By (1)

* Cited by examiner, † Cited by third party
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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