DE69811282D1 - Verfahren zum Datenschutz in einem Druckgerät - Google Patents

Verfahren zum Datenschutz in einem Druckgerät

Info

Publication number
DE69811282D1
DE69811282D1 DE69811282T DE69811282T DE69811282D1 DE 69811282 D1 DE69811282 D1 DE 69811282D1 DE 69811282 T DE69811282 T DE 69811282T DE 69811282 T DE69811282 T DE 69811282T DE 69811282 D1 DE69811282 D1 DE 69811282D1
Authority
DE
Germany
Prior art keywords
information
memory means
integrity
check data
printing apparatus
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 - Lifetime
Application number
DE69811282T
Other languages
English (en)
Other versions
DE69811282T2 (de
Inventor
Hideaki Okamoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69811282D1 publication Critical patent/DE69811282D1/de
Application granted granted Critical
Publication of DE69811282T2 publication Critical patent/DE69811282T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Ink Jet (AREA)
  • Record Information Processing For Printing (AREA)
DE69811282T 1997-02-14 1998-02-13 Verfahren zum Datenschutz in einem Druckgerät Expired - Lifetime DE69811282T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3088397 1997-02-14
JP10009770A JPH10287027A (ja) 1997-02-14 1998-01-21 プリンタ装置及びプリンタ装置における情報の保護方法

Publications (2)

Publication Number Publication Date
DE69811282D1 true DE69811282D1 (de) 2003-03-20
DE69811282T2 DE69811282T2 (de) 2003-09-04

Family

ID=26344558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811282T Expired - Lifetime DE69811282T2 (de) 1997-02-14 1998-02-13 Verfahren zum Datenschutz in einem Druckgerät

Country Status (4)

Country Link
US (1) US6002846A (de)
EP (1) EP0859317B1 (de)
JP (1) JPH10287027A (de)
DE (1) DE69811282T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4395943B2 (ja) * 1998-11-26 2010-01-13 セイコーエプソン株式会社 印刷装置およびその情報の管理方法
US6411954B1 (en) * 1999-11-19 2002-06-25 Unisys Corporation Method and apparatus for persisting object oriented data
US6773083B2 (en) * 2001-08-29 2004-08-10 Lexmark International, Inc. Method and apparatus for non-volatile memory usage in an ink jet printer
JP2004050650A (ja) * 2002-07-19 2004-02-19 Nec Corp 半導体装置、画像出力装置、および機能素子の駆動方法
JP2005100362A (ja) * 2003-08-29 2005-04-14 Canon Inc プログラム書き換え可能な電子装置およびプログラム書き換え方法
US9245591B2 (en) 2005-06-16 2016-01-26 Lexmark International, Inc. Addressing, command protocol, and electrical interface for non-volatile memories utilized in recording usage counts
US8521970B2 (en) 2006-04-19 2013-08-27 Lexmark International, Inc. Addressing, command protocol, and electrical interface for non-volatile memories utilized in recording usage counts
US7426613B2 (en) * 2005-06-16 2008-09-16 Lexmark International, Inc. Addressing, command protocol, and electrical interface for non-volatile memories utilized in recording usage counts

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1127227A (en) * 1977-10-03 1982-07-06 Ichiro Endo Liquid jet recording process and apparatus therefor
JPS5936879B2 (ja) * 1977-10-14 1984-09-06 キヤノン株式会社 熱転写記録用媒体
US4404647A (en) * 1978-03-16 1983-09-13 International Business Machines Corp. Dynamic array error recovery
US4330787A (en) * 1978-10-31 1982-05-18 Canon Kabushiki Kaisha Liquid jet recording device
US4345262A (en) * 1979-02-19 1982-08-17 Canon Kabushiki Kaisha Ink jet recording method
US4463359A (en) * 1979-04-02 1984-07-31 Canon Kabushiki Kaisha Droplet generating method and apparatus thereof
US4313124A (en) * 1979-05-18 1982-01-26 Canon Kabushiki Kaisha Liquid jet recording process and liquid jet recording head
US4558333A (en) * 1981-07-09 1985-12-10 Canon Kabushiki Kaisha Liquid jet recording head
JPS59123670A (ja) * 1982-12-28 1984-07-17 Canon Inc インクジエツトヘツド
JPS59138461A (ja) * 1983-01-28 1984-08-08 Canon Inc 液体噴射記録装置
JPS6071260A (ja) * 1983-09-28 1985-04-23 Erumu:Kk 記録装置
JPS6172301A (ja) * 1984-09-14 1986-04-14 Sony Corp 電子装置
JPS61141056A (ja) * 1984-12-14 1986-06-28 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 揮発性メモリの間欠エラ−検出方法
JPS62230370A (ja) * 1986-03-31 1987-10-09 Toshiba Corp インバ−タ装置
JPH0728234B2 (ja) * 1986-11-13 1995-03-29 ソニー株式会社 電子機器のメモリ制御装置
US4942575A (en) * 1988-06-17 1990-07-17 Modular Computer Systems, Inc. Error connection device for parity protected memory systems
US5220645A (en) * 1989-03-07 1993-06-15 Canon Kabushiki Kaisha Output apparatus
US5111457A (en) * 1989-10-26 1992-05-05 Xerox Corporation Detection and recovery from an nvm data integrity failure
US5594840A (en) * 1993-05-26 1997-01-14 Xerox Corporation Apparatus and method for diagnosing the operation of a printing system

Also Published As

Publication number Publication date
US6002846A (en) 1999-12-14
DE69811282T2 (de) 2003-09-04
EP0859317B1 (de) 2003-02-12
JPH10287027A (ja) 1998-10-27
EP0859317A1 (de) 1998-08-19

Similar Documents

Publication Publication Date Title
DE59407405D1 (de) Verfahren zur vollständigen neuprogrammierung eines löschbaren, nichtflüchtigen speichers
DE69533570D1 (de) Verfahren und System zum Erkennen von Datenverlust in einem hierarchischen Datenspeichersystem
DE69419284D1 (de) System zur Identifikation und Steuerung eines elektrochemischen Generators
ATE340405T1 (de) Raumverwaltung in einem nichtflüchtigen speicher mit hoher kapazität
DE68919393D1 (de) Nichtflüchtige Speicherzelle und Verfahren zum Lesen.
DE69831790D1 (de) Verfahren zum Lesen während des Schreibens in einer Datenspeichervorrichtung
DE60037301D1 (de) Universales speicherelement und systeme mit einem solchen element, sowie anordnung und verfahren zum lesen. schreiben und programmieren des elements.
DE69530405D1 (de) Schnappschuss von auf einem massenspeichersystem gespeicherten daten
ID24243A (id) Metode untuk melindungi bit-bit data penting menggunakan bit-bit data kurang penting
DE59912231D1 (de) Verfahren zum Speichern von Positionsdaten
JP2001147860A (ja) データメモリ保護方法
ID20972A (id) Alat penyimpan, sistem pemrosesan data dan metode penulisan dan pembacaan data
DE69707498D1 (de) Verfahren zur bearbeitung von datenintegritätsfehlern bei wiederbeschreibaren speichern
DE60130855D1 (de) Vorrichtung zum Lesen von Bildkodedaten
TW374164B (en) Nonvolatile ferroelectric memory having a segment wire driver and data accessing method thereof
DE69811282D1 (de) Verfahren zum Datenschutz in einem Druckgerät
RU99118913A (ru) Способ и устройство для изменения содержимого запоминающих устройств блоков управления
DE69927171D1 (de) Verfahren zum einschreiben von daten in dateienspeichereinheiten
DE69630663D1 (de) Verfahren zum Löschen einer elektrisch programmierbaren und löschbaren nichtflüchtigen Speicherzelle
JP2547368B2 (ja) 携帯可能なデータ担体
ATE426237T1 (de) Schaltungsanordnung mit nichtfluchtigem speichermodul und verfahren zum registrieren von lichtattacken an dem nichtfluchtigen speichermodul
NL194852B (nl) Storingstolerant elektrisch wis- en programmeerbaar geheugen en werkwijze voor het detecteren van een gegevensbit.
DE69820246D1 (de) Schaltung und Verfahren zum Lesen eines nichtflüchtigen Speichers
DE69701349D1 (de) Verfahren zum Lesen von seitenweise gespeicherten Daten
ATE206242T1 (de) Verfahren zum sicheren ändern eines in einem nicht-flüchtigen speicher gespeicherten wertes und schaltungsanordnung hierzu