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DK0527010T3 - Beskyttelsessystem til kritisk hukommelsesinformation - Google Patents

Beskyttelsessystem til kritisk hukommelsesinformation

Info

Publication number
DK0527010T3
DK0527010T3 DK92306830.8T DK92306830T DK0527010T3 DK 0527010 T3 DK0527010 T3 DK 0527010T3 DK 92306830 T DK92306830 T DK 92306830T DK 0527010 T3 DK0527010 T3 DK 0527010T3
Authority
DK
Denmark
Prior art keywords
processor
protection system
memory information
information protection
critical memory
Prior art date
Application number
DK92306830.8T
Other languages
English (en)
Inventor
Philippe Wicht
Tony Aebi
Original Assignee
Ascom Hasler Mailing Sys Ag
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 Ascom Hasler Mailing Sys Ag filed Critical Ascom Hasler Mailing Sys Ag
Application granted granted Critical
Publication of DK0527010T3 publication Critical patent/DK0527010T3/da

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00362—Calculation or computing within apparatus, e.g. calculation of postage value
    • G07B2017/00395—Memory organization
    • G07B2017/00403—Memory zones protected from unauthorized reading or writing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Debugging And Monitoring (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
DK92306830.8T 1991-08-05 1992-07-27 Beskyttelsessystem til kritisk hukommelsesinformation DK0527010T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/740,427 US5276844A (en) 1991-08-05 1991-08-05 Protection system for critical memory information

Publications (1)

Publication Number Publication Date
DK0527010T3 true DK0527010T3 (da) 1996-08-26

Family

ID=24976459

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92306830.8T DK0527010T3 (da) 1991-08-05 1992-07-27 Beskyttelsessystem til kritisk hukommelsesinformation

Country Status (8)

Country Link
US (1) US5276844A (da)
EP (1) EP0527010B1 (da)
JP (1) JPH05225067A (da)
AT (1) ATE137348T1 (da)
CA (1) CA2072504A1 (da)
DE (1) DE69210135T2 (da)
DK (1) DK0527010T3 (da)
SG (1) SG49193A1 (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559992A (en) * 1993-01-11 1996-09-24 Ascom Autelca Ag Apparatus and method for protecting data in a memory address range
US5377264A (en) * 1993-12-09 1994-12-27 Pitney Bowes Inc. Memory access protection circuit with encryption key
CA2137505C (en) * 1993-12-09 1999-05-04 Young W. Lee Multi-memory access limiting circuit for multi-memory device
CA2137504C (en) * 1993-12-09 1998-08-25 Young W. Lee Memory monitoring circuit for detecting unauthorized memory access
CA2137494A1 (en) * 1993-12-09 1995-06-10 Young W. Lee Address decoder with memory allocation and illegal address detection for a microcontroller system
JP2697621B2 (ja) * 1994-07-29 1998-01-14 日本電気株式会社 信号周期検出回路および信号断監視回路
US6176178B1 (en) 1995-03-07 2001-01-23 Ascom Hasler Mailing Systems Ag Tamper-resistant postage meter
US5706727A (en) * 1995-03-14 1998-01-13 Ascom Hasler Mailing Systems Ag Postage meter with improved paper path
US5668973A (en) * 1995-04-14 1997-09-16 Ascom Hasler Mailing Systems Ag Protection system for critical memory information
US5719381A (en) * 1995-04-14 1998-02-17 Ascom Hasler Mailing Systems Ag Postage meter with hollow rotor axle
US5654614A (en) * 1995-04-14 1997-08-05 Ascom Hasler Mailing Systems Ag Single-motor setting and printing postage meter
US5746133A (en) * 1995-05-22 1998-05-05 Ascom Hasler Mailing Systems Ag Postage meter with rotor movement and die cover sensor
US5689098A (en) * 1995-05-26 1997-11-18 Ascom Hasler Mailing Systems Ag Postage meter with improved postal lock
KR0146551B1 (ko) * 1995-08-21 1998-09-15 양승택 임계영역을 지원하는 래치 관리방법
US7226494B1 (en) 1997-04-23 2007-06-05 Neopost Technologies Secure postage payment system and method
EP0840919B1 (en) * 1996-04-23 2004-10-06 Ascom Hasler Mailing Systems, Inc. System for providing early warning preemptive postal equipment replacement
US6842742B1 (en) 1996-04-23 2005-01-11 Ascom Hasler Mailing Systems, Inc. System for providing early warning preemptive postal equipment replacement
DE202006002263U1 (de) * 2006-02-14 2006-04-20 Abb Patent Gmbh Druckmessumformer
US10957445B2 (en) 2017-10-05 2021-03-23 Hill-Rom Services, Inc. Caregiver and staff information system

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332009A (en) * 1980-01-21 1982-05-25 Mostek Corporation Memory protection system
US4376299A (en) * 1980-07-14 1983-03-08 Pitney Bowes, Inc. Data center for remote postage meter recharging system having physically secure encrypting apparatus and employing encrypted seed number signals
US4566106A (en) * 1982-01-29 1986-01-21 Pitney Bowes Inc. Electronic postage meter having redundant memory
EP0109504A3 (en) * 1982-11-18 1987-03-25 International Business Machines Corporation Protection system for storage and input/output facilities and the like
US4644494A (en) * 1984-02-06 1987-02-17 Sundstrand Data Control, Inc. Solid state memory for aircraft flight data recorder systems
US4618953A (en) * 1984-05-01 1986-10-21 Pitney Bowes Inc. Watchdog circuit
DE3421540A1 (de) * 1984-06-08 1986-01-02 Audi AG, 8070 Ingolstadt Schliesssystem mit einem batteriebetriebenen infrarot-handsender
DE3582982D1 (de) * 1984-08-22 1991-07-04 Pitney Bowes Inc Nichtfluechtiges speichersystem mit echtzeit- und netzausfall-datenspeicherfaehigkeit fuer eine frankiermaschine.
US4706215A (en) * 1984-08-22 1987-11-10 Pitney Bowes Inc. Data protection system for electronic postage meters having multiple non-volatile multiple memories
US4644541A (en) * 1985-01-18 1987-02-17 Pitney Bowes Inc. Diagnostic test for programmable device in a mailing machine
US4639918A (en) * 1985-01-18 1987-01-27 Pitney Bowes Inc. Diagnostic control keyboard for a mailing machine
US4698829A (en) * 1985-03-12 1987-10-06 Pitney Bowes Inc. Monitoring system for verifying that an input signal is toggling at a minimum frequency
US4710882A (en) * 1985-03-12 1987-12-01 Pitney Bowes Inc. Electronic postage meter having a nonvolatile memory selection means
US4998203A (en) * 1985-03-12 1991-03-05 Digiulio Peter C Postage meter with a non-volatile memory security circuit
US4746818A (en) * 1985-03-12 1988-05-24 Pitney Bowes Inc. Circuit for maintaining the state of an output despite changes in the state of input
FR2584557B1 (fr) * 1985-07-02 1989-07-28 Smh Alcatel Systeme de telecontrole pour machines a affranchir
US4805109A (en) * 1985-10-16 1989-02-14 Pitney Bowes Inc. Nonvolatile memory protection arrangement for electronic postage meter system having plural nonvolatile memories
US4845632A (en) * 1985-10-16 1989-07-04 Pitney Bowes Inc. Electonic postage meter system having arrangement for rapid storage of critical postage accounting data in plural nonvolatile memories
US4742469A (en) * 1985-10-31 1988-05-03 F.M.E. Corporation Electronic meter circuitry
US4802117A (en) * 1985-12-16 1989-01-31 Pitney Bowes Inc. Method of preserving data storage in a postal meter
US4962459A (en) * 1985-12-26 1990-10-09 Mallozzi Joseph D System for accounting for postage expended by a postage meter having data security during printing
US4837702A (en) * 1986-04-28 1989-06-06 Pitney Bowes Inc. Electronic postage meter having an infinite loop lockout arrangement
US4843572A (en) * 1987-05-14 1989-06-27 Pitney Bowes Inc. Inking control method and apparatus for a mailing machine
WO1989011134A1 (en) * 1988-05-09 1989-11-16 Ascom Hasler Ag Electronic computing and storage system for franking machines
GB8819647D0 (en) * 1988-08-18 1988-09-21 Alcatel Business Systems Franking machine
CA2003375A1 (en) * 1988-12-30 1990-06-30 Nanette Brown Epm having an improvement in non-volatile memory organization
US5193165A (en) * 1989-12-13 1993-03-09 International Business Machines Corporation Memory card refresh buffer

Also Published As

Publication number Publication date
DE69210135T2 (de) 1996-11-28
EP0527010A2 (en) 1993-02-10
US5276844A (en) 1994-01-04
CA2072504A1 (en) 1993-02-06
JPH05225067A (ja) 1993-09-03
EP0527010B1 (en) 1996-04-24
EP0527010A3 (en) 1993-11-18
SG49193A1 (en) 1998-05-18
DE69210135D1 (de) 1996-05-30
ATE137348T1 (de) 1996-05-15

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