AU6948491A - Copy protection for memory devices - Google Patents

Copy protection for memory devices

Info

Publication number
AU6948491A
AU6948491A AU69484/91A AU6948491A AU6948491A AU 6948491 A AU6948491 A AU 6948491A AU 69484/91 A AU69484/91 A AU 69484/91A AU 6948491 A AU6948491 A AU 6948491A AU 6948491 A AU6948491 A AU 6948491A
Authority
AU
Australia
Prior art keywords
memory devices
copy protection
copy
protection
memory
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.)
Abandoned
Application number
AU69484/91A
Inventor
Graham Peter Sealey
Philip Edmund Derisley Wakeman
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.)
CONSOLIDATED TECHNOLOGY Ltd
Original Assignee
CONS TECHNOLOGY Ltd
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 CONS TECHNOLOGY Ltd filed Critical CONS TECHNOLOGY Ltd
Publication of AU6948491A publication Critical patent/AU6948491A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Read Only Memory (AREA)
AU69484/91A 1990-01-20 1991-01-18 Copy protection for memory devices Abandoned AU6948491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ230015 1990-01-20
NZ23001590 1990-01-20

Publications (1)

Publication Number Publication Date
AU6948491A true AU6948491A (en) 1991-07-25

Family

ID=19922927

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69484/91A Abandoned AU6948491A (en) 1990-01-20 1991-01-18 Copy protection for memory devices

Country Status (2)

Country Link
AU (1) AU6948491A (en)
GB (1) GB2240202A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823210A (en) * 1984-08-13 1989-04-18 Verbatim Corporation Copy protected disk
JPH0673221B2 (en) * 1985-07-27 1994-09-14 ティーディーケイ株式会社 Method for preventing duplication of magnetic recording medium

Also Published As

Publication number Publication date
GB2240202A (en) 1991-07-24
GB9101302D0 (en) 1991-03-06

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