GB1150864A - Crosspoint Operating Circuit - Google Patents

Crosspoint Operating Circuit

Info

Publication number
GB1150864A
GB1150864A GB1729/68A GB172968A GB1150864A GB 1150864 A GB1150864 A GB 1150864A GB 1729/68 A GB1729/68 A GB 1729/68A GB 172968 A GB172968 A GB 172968A GB 1150864 A GB1150864 A GB 1150864A
Authority
GB
United Kingdom
Prior art keywords
contacts
capacitor
earth
marker
diode
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
GB1729/68A
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.)
International Standard Electric Corp
Original Assignee
International 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1150864A publication Critical patent/GB1150864A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Relay Circuits (AREA)
GB1729/68A 1967-01-23 1968-01-11 Crosspoint Operating Circuit Expired GB1150864A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6701052A NL6701052A (en:Method) 1967-01-23 1967-01-23
US69876668A 1968-01-18 1968-01-18

Publications (1)

Publication Number Publication Date
GB1150864A true GB1150864A (en) 1969-05-07

Family

ID=26644143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1729/68A Expired GB1150864A (en) 1967-01-23 1968-01-11 Crosspoint Operating Circuit

Country Status (8)

Country Link
US (1) US3536847A (en:Method)
AT (1) AT292795B (en:Method)
BE (1) BE709717A (en:Method)
CH (1) CH477790A (en:Method)
DE (1) DE1562122B2 (en:Method)
FR (1) FR1565454A (en:Method)
GB (1) GB1150864A (en:Method)
NL (1) NL6701052A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814862A (en) * 1972-11-02 1974-06-04 Gte Automatic Electric Lab Inc Matrix-protecting supervisory arrangement for a communication switching system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6701055A (en:Method) * 1967-01-23 1968-07-24

Also Published As

Publication number Publication date
BE709717A (en:Method) 1968-07-23
FR1565454A (en:Method) 1969-05-02
DE1562122B2 (de) 1973-04-05
NL6701052A (en:Method) 1968-07-24
US3536847A (en) 1970-10-27
DE1562122A1 (de) 1970-02-19
AT292795B (de) 1971-09-10
CH477790A (de) 1969-08-31

Similar Documents

Publication Publication Date Title
GB1198134A (en) Circuit Testing Apparatus
GB906852A (en) Electrical control system
US4215392A (en) Inverter power supply
US3723827A (en) Selective and sequential control system
GB1599262A (en) Transistor switching circuit
US3657572A (en) Power converter with self-synchronization and bias
EP0216816A1 (en) STORED INDUCTIVE ENERGY DISSIPATION CIRCUIT.
GB1150864A (en) Crosspoint Operating Circuit
GB1260054A (en) Actuating moving-armature electromagnets
US4234834A (en) D.C. Motor directional control
US4461955A (en) Isolated load switching with surge suppression
US4224654A (en) Relay driver circuit
US3903475A (en) Electrical overload protection device
US3755712A (en) Fault protection for dc motor thyristor power supplies
US4323957A (en) Voltage supression circuit for a voltage converter circuit
US3261987A (en) Latch circuit utilizing single transistor and energized by alternating current
US3551754A (en) Sensitive pick-up relay
GB1236837A (en) Protective relay power supply
US3579077A (en) Regulated static dc to dc converter start-up means
CA1063172A (en) Electrical load controller
US3543053A (en) Electronic single-pole,double-throw switch
US3313998A (en) Switching-regulator power supply having energy return circuit
US4731550A (en) Circuit having a feed circuit for supplying current to a load resistor
US4636660A (en) Fail-safe "AND" gate using capacitor discharge through a transformer
US3604888A (en) Weld control circuit

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee