SE441223B - Stromkrets for signaltekniskt seker avfragning av ett matrisminne - Google Patents

Stromkrets for signaltekniskt seker avfragning av ett matrisminne

Info

Publication number
SE441223B
SE441223B SE8005458A SE8005458A SE441223B SE 441223 B SE441223 B SE 441223B SE 8005458 A SE8005458 A SE 8005458A SE 8005458 A SE8005458 A SE 8005458A SE 441223 B SE441223 B SE 441223B
Authority
SE
Sweden
Prior art keywords
matrix
matrices
computers
secures
requesting
Prior art date
Application number
SE8005458A
Other languages
English (en)
Swedish (sv)
Other versions
SE8005458L (sv
Inventor
H J Knapp
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of SE8005458L publication Critical patent/SE8005458L/xx
Publication of SE441223B publication Critical patent/SE441223B/sv

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G06F13/225—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling with priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)
  • Storage Device Security (AREA)
  • Debugging And Monitoring (AREA)
SE8005458A 1979-08-09 1980-07-30 Stromkrets for signaltekniskt seker avfragning av ett matrisminne SE441223B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2932271A DE2932271C2 (de) 1979-08-09 1979-08-09 Schaltungsanordnung zur signaltechnisch sicheren Abfrage eines Matrixspeichers

Publications (2)

Publication Number Publication Date
SE8005458L SE8005458L (sv) 1981-02-10
SE441223B true SE441223B (sv) 1985-09-16

Family

ID=6078009

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8005458A SE441223B (sv) 1979-08-09 1980-07-30 Stromkrets for signaltekniskt seker avfragning av ett matrisminne

Country Status (7)

Country Link
AT (1) AT374297B (de)
CH (1) CH649163A5 (de)
DE (1) DE2932271C2 (de)
ES (1) ES8107403A1 (de)
IL (1) IL60736A (de)
SE (1) SE441223B (de)
YU (1) YU41727B (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668644A (en) * 1970-02-09 1972-06-06 Burroughs Corp Failsafe memory system

Also Published As

Publication number Publication date
YU200480A (en) 1982-08-31
IL60736A (en) 1984-10-31
DE2932271A1 (de) 1981-02-12
IL60736A0 (en) 1980-10-26
YU41727B (en) 1987-12-31
ES494111A0 (es) 1981-10-16
DE2932271C2 (de) 1981-12-24
ATA386480A (de) 1983-08-15
ES8107403A1 (es) 1981-10-16
AT374297B (de) 1984-04-10
SE8005458L (sv) 1981-02-10
CH649163A5 (en) 1985-04-30

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