ZA724696B - Electronic store element for high reliability data processing installations in particular for railway safety installations - Google Patents

Electronic store element for high reliability data processing installations in particular for railway safety installations

Info

Publication number
ZA724696B
ZA724696B ZA724696A ZA724696A ZA724696B ZA 724696 B ZA724696 B ZA 724696B ZA 724696 A ZA724696 A ZA 724696A ZA 724696 A ZA724696 A ZA 724696A ZA 724696 B ZA724696 B ZA 724696B
Authority
ZA
South Africa
Prior art keywords
installations
data processing
high reliability
reliability data
electronic store
Prior art date
Application number
ZA724696A
Inventor
H Lohmann
Original Assignee
Siemens 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
Priority claimed from DE19712143375 external-priority patent/DE2143375C/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA724696B publication Critical patent/ZA724696B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits
    • H03K19/0075—Fail-safe circuits by using two redundant chains
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/037—Bistable circuits
    • H03K3/0372—Bistable circuits of the master-slave type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/037—Bistable circuits
    • H03K3/0375—Bistable circuits provided with means for increasing reliability; for protection; for ensuring a predetermined initial state when the supply voltage has been applied; for storing the actual state when the supply voltage fails

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
ZA724696A 1971-08-30 1972-07-07 Electronic store element for high reliability data processing installations in particular for railway safety installations ZA724696B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712143375 DE2143375C (en) 1971-08-30 Electronic memory element for digital data processing systems with a high level of error security, in particular for railway safety

Publications (1)

Publication Number Publication Date
ZA724696B true ZA724696B (en) 1973-06-27

Family

ID=5818177

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA724696A ZA724696B (en) 1971-08-30 1972-07-07 Electronic store element for high reliability data processing installations in particular for railway safety installations

Country Status (9)

Country Link
AT (1) AT321360B (en)
BE (1) BE788129A (en)
CH (1) CH549904A (en)
DE (1) DE2143375B1 (en)
FR (1) FR2151951A5 (en)
GB (1) GB1357862A (en)
IT (1) IT964332B (en)
NL (1) NL7211414A (en)
ZA (1) ZA724696B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521245C3 (en) * 1975-05-13 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for a two-channel safety switchgear with complementary signal processing
DE2900631C2 (en) * 1979-01-09 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Safety output circuit
US4700346A (en) * 1985-05-10 1987-10-13 Tandem Computers Incorporated Self-checking, dual railed, leading edge synchronizer
DE3740078C1 (en) * 1987-11-26 1988-12-08 Kloeckner Moeller Elektrizit Circuit arrangement for the safety-effective determination of the state of an output storage stage

Also Published As

Publication number Publication date
FR2151951A5 (en) 1973-04-20
IT964332B (en) 1974-01-21
GB1357862A (en) 1974-06-26
DE2143375B1 (en) 1972-10-26
AT321360B (en) 1975-03-25
CH549904A (en) 1974-05-31
NL7211414A (en) 1973-03-02
BE788129A (en) 1973-02-28

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