LU81603A1 - METHOD FOR IDENTIFYING AND PREVENTING THE TRANSMISSION OF SUBSEQUENTLY MODIFIED MEMORY CONTENT - Google Patents

METHOD FOR IDENTIFYING AND PREVENTING THE TRANSMISSION OF SUBSEQUENTLY MODIFIED MEMORY CONTENT

Info

Publication number
LU81603A1
LU81603A1 LU81603A LU81603A LU81603A1 LU 81603 A1 LU81603 A1 LU 81603A1 LU 81603 A LU81603 A LU 81603A LU 81603 A LU81603 A LU 81603A LU 81603 A1 LU81603 A1 LU 81603A1
Authority
LU
Luxembourg
Prior art keywords
identifying
preventing
transmission
memory content
subsequently modified
Prior art date
Application number
LU81603A
Other languages
French (fr)
Inventor
H Logemann
Original Assignee
Tekade Felten & Guilleaume
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 Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume
Publication of LU81603A1 publication Critical patent/LU81603A1/en

Links

Classifications

    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G06F11/167—Error detection by comparing the memory output
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/16—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/06—Answer-back mechanisms or circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Retry When Errors Occur (AREA)
LU81603A 1978-08-19 1979-08-14 METHOD FOR IDENTIFYING AND PREVENTING THE TRANSMISSION OF SUBSEQUENTLY MODIFIED MEMORY CONTENT LU81603A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782836420 DE2836420A1 (en) 1978-08-19 1978-08-19 METHOD FOR DETECTING AND PREVENTING THE DISCLOSURE OF NON-MODIFIED STORAGE CONTENT

Publications (1)

Publication Number Publication Date
LU81603A1 true LU81603A1 (en) 1979-12-07

Family

ID=6047492

Family Applications (1)

Application Number Title Priority Date Filing Date
LU81603A LU81603A1 (en) 1978-08-19 1979-08-14 METHOD FOR IDENTIFYING AND PREVENTING THE TRANSMISSION OF SUBSEQUENTLY MODIFIED MEMORY CONTENT

Country Status (8)

Country Link
BE (1) BE878276A (en)
DE (1) DE2836420A1 (en)
ES (1) ES483471A1 (en)
FR (1) FR2433806A1 (en)
GB (1) GB2029053A (en)
LU (1) LU81603A1 (en)
NL (1) NL7906180A (en)
YU (1) YU202579A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103594A (en) * 1983-11-10 1985-06-07 Fujitsu Ltd Information storage circuit
NL8602294A (en) * 1986-09-11 1988-04-05 Philips Nv ELECTRONIC CIRCUIT WITH COMPLEMENTARY SIGNALING DATA LINES.
FR2656145A1 (en) * 1989-12-15 1991-06-21 Sgs Thomson Microelectronics Electronic lock for integrated circuit, with double floating-gate transistor
JPH05216771A (en) * 1991-09-18 1993-08-27 Internatl Business Mach Corp <Ibm> Method and apparatus for ensuring recovery possibility of important data in data processing apparatus
GB2307320B (en) * 1995-11-18 2000-10-18 Motorola Inc Non-volatile memory cell and method of storing data therein

Also Published As

Publication number Publication date
ES483471A1 (en) 1980-04-16
FR2433806A1 (en) 1980-03-14
NL7906180A (en) 1980-02-21
GB2029053A (en) 1980-03-12
BE878276A (en) 1979-12-17
DE2836420A1 (en) 1980-03-06
YU202579A (en) 1982-06-30

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