GB991553A - Telephone switching systems employing electro-mechanical switches - Google Patents

Telephone switching systems employing electro-mechanical switches

Info

Publication number
GB991553A
GB991553A GB30243/61A GB3024361A GB991553A GB 991553 A GB991553 A GB 991553A GB 30243/61 A GB30243/61 A GB 30243/61A GB 3024361 A GB3024361 A GB 3024361A GB 991553 A GB991553 A GB 991553A
Authority
GB
United Kingdom
Prior art keywords
relays
switches
magnets
frame
control circuit
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
GB30243/61A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB991553A publication Critical patent/GB991553A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB30243/61A 1960-08-31 1961-08-22 Telephone switching systems employing electro-mechanical switches Expired GB991553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53188A US3113184A (en) 1960-08-31 1960-08-31 Telephone system

Publications (1)

Publication Number Publication Date
GB991553A true GB991553A (en) 1965-05-12

Family

ID=21982490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30243/61A Expired GB991553A (en) 1960-08-31 1961-08-22 Telephone switching systems employing electro-mechanical switches

Country Status (4)

Country Link
US (1) US3113184A (enExample)
DE (1) DE1166285B (enExample)
GB (1) GB991553A (enExample)
SE (1) SE309266B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6250392A (ja) * 1985-08-26 1987-03-05 シエル・インタ−ナシヨネイル・リサ−チ・マ−チヤツピイ・ベ−・ウイ 炭化水素含有供給原料からの合成ガスの製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227071B (de) * 1964-08-05 1966-10-20 Standard Elektrik Lorenz Ag Schaltungsanordnung zur Steuerung von Koordinatenmehrfachschaltern
US3509284A (en) * 1965-07-15 1970-04-28 Ericsson Telefon Ab L M Single-wire control,supervision and fault detecting circuit arrangement in computer controlled automatic telephone exchanges
DE1244871B (de) * 1965-09-08 1967-07-20 Standard Elek K Lorenz Ag Koppelfeldmatrix mit Speicherschaltern in den Ansteuerleitungen der Koppelelemente

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE537139A (enExample) * 1954-04-07
NL102360C (enExample) * 1954-10-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6250392A (ja) * 1985-08-26 1987-03-05 シエル・インタ−ナシヨネイル・リサ−チ・マ−チヤツピイ・ベ−・ウイ 炭化水素含有供給原料からの合成ガスの製造方法
JPH0765057B2 (ja) 1985-08-26 1995-07-12 シエル・インタ−ナシヨネイル・リサ−チ・マ−チヤツピイ・ベ−・ウイ 炭化水素含有供給原料からの合成ガスの製造方法

Also Published As

Publication number Publication date
SE309266B (enExample) 1969-03-17
DE1166285B (de) 1964-03-26
US3113184A (en) 1963-12-03

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