DE69131221D1 - Sicherheitssystem für elektronische Drucksysteme - Google Patents

Sicherheitssystem für elektronische Drucksysteme

Info

Publication number
DE69131221D1
DE69131221D1 DE69131221T DE69131221T DE69131221D1 DE 69131221 D1 DE69131221 D1 DE 69131221D1 DE 69131221 T DE69131221 T DE 69131221T DE 69131221 T DE69131221 T DE 69131221T DE 69131221 D1 DE69131221 D1 DE 69131221D1
Authority
DE
Germany
Prior art keywords
security system
printing systems
electronic printing
electronic
systems
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.)
Expired - Fee Related
Application number
DE69131221T
Other languages
English (en)
Other versions
DE69131221T2 (de
Inventor
John L Rourke
Peter D Wing
Jack F Ratcliffe
Paul J Valliere
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69131221D1 publication Critical patent/DE69131221D1/de
Publication of DE69131221T2 publication Critical patent/DE69131221T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • 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
    • G06F21/60—Protecting data
    • G06F21/604—Tools and structures for managing or administering access control systems
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
DE69131221T 1990-09-28 1991-08-28 Sicherheitssystem für elektronische Drucksysteme Expired - Fee Related DE69131221T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/591,330 US5077795A (en) 1990-09-28 1990-09-28 Security system for electronic printing systems

Publications (2)

Publication Number Publication Date
DE69131221D1 true DE69131221D1 (de) 1999-06-17
DE69131221T2 DE69131221T2 (de) 1999-11-04

Family

ID=24366068

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69132229T Expired - Fee Related DE69132229T2 (de) 1990-09-28 1991-08-28 Sicherheitssystem für elektronische Drucksysteme
DE69131221T Expired - Fee Related DE69131221T2 (de) 1990-09-28 1991-08-28 Sicherheitssystem für elektronische Drucksysteme

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69132229T Expired - Fee Related DE69132229T2 (de) 1990-09-28 1991-08-28 Sicherheitssystem für elektronische Drucksysteme

Country Status (6)

Country Link
US (1) US5077795A (de)
EP (2) EP0477570B1 (de)
JP (1) JP2735966B2 (de)
AU (1) AU652525B2 (de)
CA (1) CA2048535C (de)
DE (2) DE69132229T2 (de)

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Also Published As

Publication number Publication date
EP0477570B1 (de) 1999-05-12
CA2048535A1 (en) 1992-03-29
EP0477570A3 (en) 1992-10-07
EP0477570A2 (de) 1992-04-01
DE69132229D1 (de) 2000-06-29
DE69131221T2 (de) 1999-11-04
US5077795A (en) 1991-12-31
AU652525B2 (en) 1994-08-25
JPH04331175A (ja) 1992-11-19
EP0818724A1 (de) 1998-01-14
AU8256991A (en) 1992-04-02
JP2735966B2 (ja) 1998-04-02
DE69132229T2 (de) 2000-09-28
CA2048535C (en) 1998-09-29
EP0818724B1 (de) 2000-05-24

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Legal Events

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8339 Ceased/non-payment of the annual fee