GB1395585A - Logic system for sequentially testing the states or positions of a system of contacts - Google Patents

Logic system for sequentially testing the states or positions of a system of contacts

Info

Publication number
GB1395585A
GB1395585A GB4780872A GB4780872A GB1395585A GB 1395585 A GB1395585 A GB 1395585A GB 4780872 A GB4780872 A GB 4780872A GB 4780872 A GB4780872 A GB 4780872A GB 1395585 A GB1395585 A GB 1395585A
Authority
GB
United Kingdom
Prior art keywords
contacts
positions
transistors
states
oct
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4780872A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider SA
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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Publication of GB1395585A publication Critical patent/GB1395585A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
    • C07C45/292—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with chromium derivatives
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Tests Of Electronic Circuits (AREA)
GB4780872A 1971-10-21 1972-10-17 Logic system for sequentially testing the states or positions of a system of contacts Expired GB1395585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7137793A FR2156463B1 (cg-RX-API-DMAC7.html) 1971-10-21 1971-10-21

Publications (1)

Publication Number Publication Date
GB1395585A true GB1395585A (en) 1975-05-29

Family

ID=9084688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4780872A Expired GB1395585A (en) 1971-10-21 1972-10-17 Logic system for sequentially testing the states or positions of a system of contacts

Country Status (8)

Country Link
BE (1) BE790271A (cg-RX-API-DMAC7.html)
DE (1) DE2251078A1 (cg-RX-API-DMAC7.html)
ES (1) ES407578A1 (cg-RX-API-DMAC7.html)
FR (1) FR2156463B1 (cg-RX-API-DMAC7.html)
GB (1) GB1395585A (cg-RX-API-DMAC7.html)
IT (1) IT966313B (cg-RX-API-DMAC7.html)
LU (1) LU66318A1 (cg-RX-API-DMAC7.html)
NL (1) NL7214203A (cg-RX-API-DMAC7.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007761A (en) * 1961-11-07 humphrey
DE1128034B (de) * 1960-09-22 1962-04-19 Standard Elektrik Lorenz Ag Schaltungsanordnung zum Feststellen des von einem Bezugspotential abweichenden Potentials jedes Punktes einer Vielzahl mit Potential beaufschlagbarer Schaltungspunkte

Also Published As

Publication number Publication date
ES407578A1 (es) 1975-11-01
LU66318A1 (cg-RX-API-DMAC7.html) 1973-01-23
BE790271A (fr) 1973-02-15
DE2251078A1 (de) 1973-04-26
NL7214203A (cg-RX-API-DMAC7.html) 1973-04-25
FR2156463A1 (cg-RX-API-DMAC7.html) 1973-06-01
FR2156463B1 (cg-RX-API-DMAC7.html) 1974-05-31
IT966313B (it) 1974-02-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee