DE8810638U1 - - Google Patents

Info

Publication number
DE8810638U1
DE8810638U1 DE8810638U DE8810638U DE8810638U1 DE 8810638 U1 DE8810638 U1 DE 8810638U1 DE 8810638 U DE8810638 U DE 8810638U DE 8810638 U DE8810638 U DE 8810638U DE 8810638 U1 DE8810638 U1 DE 8810638U1
Authority
DE
Germany
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.)
Expired
Application number
DE8810638U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to DE8810638U priority Critical patent/DE8810638U1/de
Priority to DE3828573A priority patent/DE3828573A1/de
Publication of DE8810638U1 publication Critical patent/DE8810638U1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE8810638U 1988-08-23 1988-08-23 Expired DE8810638U1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8810638U DE8810638U1 (ko) 1988-08-23 1988-08-23
DE3828573A DE3828573A1 (de) 1988-08-23 1988-08-23 Schutzverfahren fuer computerprogramme gegen unrechtmaessige nutzung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8810638U DE8810638U1 (ko) 1988-08-23 1988-08-23
DE3828573A DE3828573A1 (de) 1988-08-23 1988-08-23 Schutzverfahren fuer computerprogramme gegen unrechtmaessige nutzung

Publications (1)

Publication Number Publication Date
DE8810638U1 true DE8810638U1 (ko) 1989-01-05

Family

ID=25871389

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8810638U Expired DE8810638U1 (ko) 1988-08-23 1988-08-23
DE3828573A Ceased DE3828573A1 (de) 1988-08-23 1988-08-23 Schutzverfahren fuer computerprogramme gegen unrechtmaessige nutzung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3828573A Ceased DE3828573A1 (de) 1988-08-23 1988-08-23 Schutzverfahren fuer computerprogramme gegen unrechtmaessige nutzung

Country Status (1)

Country Link
DE (2) DE8810638U1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123126C1 (ko) * 1991-07-12 1992-06-25 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
EP0711479A4 (en) * 1993-07-26 1996-10-02 Elonex Technologies Inc CD PROM ENCRYPTION SYSTEM
JP2970739B2 (ja) * 1994-09-30 1999-11-02 日本ビクター株式会社 光ディスクの再生制御方法
US6324026B1 (en) * 1998-07-01 2001-11-27 Iomega Corporation Readable indelible mark on storage media
US6259575B1 (en) 1998-07-01 2001-07-10 Iomega Corporation Readable indelible mark on storage media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584641A (en) * 1983-08-29 1986-04-22 Paul Guglielmino Copyprotecting system for software protection

Also Published As

Publication number Publication date
DE3828573A1 (de) 1990-03-08

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