NL6500179A - - Google Patents

Info

Publication number
NL6500179A
NL6500179A NL6500179A NL6500179A NL6500179A NL 6500179 A NL6500179 A NL 6500179A NL 6500179 A NL6500179 A NL 6500179A NL 6500179 A NL6500179 A NL 6500179A NL 6500179 A NL6500179 A NL 6500179A
Authority
NL
Netherlands
Application number
NL6500179A
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 filed Critical
Publication of NL6500179A publication Critical patent/NL6500179A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L17/00—Switching systems for classification yards
    • 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
    • H03K19/003—Modifications for increasing the reliability for protection
    • H03K19/00307—Modifications for increasing the reliability for protection in bipolar transistor circuits
    • 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
    • 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
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
    • H03K19/082—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors
    • H03K19/09—Resistor-transistor logic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Networks Using Active Elements (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Protection Of Static Devices (AREA)
NL6500179A 1964-01-08 1965-01-08 NL6500179A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR959625A FR1390297A (fr) 1964-01-08 1964-01-08 Circuit logique de sécurité du type ou

Publications (1)

Publication Number Publication Date
NL6500179A true NL6500179A (OSRAM) 1965-07-09

Family

ID=8820443

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6500179A NL6500179A (OSRAM) 1964-01-08 1965-01-08

Country Status (9)

Country Link
US (1) US3422284A (OSRAM)
BE (1) BE657665A (OSRAM)
CH (1) CH422882A (OSRAM)
DE (1) DE1263077B (OSRAM)
ES (1) ES307884A1 (OSRAM)
FR (1) FR1390297A (OSRAM)
GB (1) GB1095071A (OSRAM)
NL (1) NL6500179A (OSRAM)
SE (1) SE318309B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585377A (en) * 1969-06-16 1971-06-15 Ibm Fail-safe decoder circuits
FR2355424A1 (fr) * 1976-06-15 1978-01-13 Constr Telephoniques Circuit de commande d'un organe unique par deux chaines independantes
US4130764A (en) * 1977-07-27 1978-12-19 Westinghouse Air Brake Company Fail-safe or logic circuit
US4125784A (en) * 1977-07-27 1978-11-14 Westinghouse Air Brake Company Fail-safe or gate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847224A (en) * 1956-09-19 1960-09-07 Nat Res Dev Improvements in or relating to electrical decision element circuits
US3027465A (en) * 1958-04-16 1962-03-27 Sylvania Electric Prod Logic nor circuit with speed-up capacitors having added series current limiting resistor to prevent false outputs

Also Published As

Publication number Publication date
GB1095071A (en) 1967-12-13
SE318309B (OSRAM) 1969-12-08
CH422882A (fr) 1966-10-31
DE1263077B (de) 1968-03-14
BE657665A (OSRAM) 1965-04-16
FR1390297A (fr) 1965-02-26
ES307884A1 (es) 1965-05-01
US3422284A (en) 1969-01-14

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