GB754652A - Selection system for electrical circuits or equipments - Google Patents

Selection system for electrical circuits or equipments

Info

Publication number
GB754652A
GB754652A GB1093/50A GB109350A GB754652A GB 754652 A GB754652 A GB 754652A GB 1093/50 A GB1093/50 A GB 1093/50A GB 109350 A GB109350 A GB 109350A GB 754652 A GB754652 A GB 754652A
Authority
GB
United Kingdom
Prior art keywords
line
impulse
group
impulses
class
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
GB1093/50A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB754652A publication Critical patent/GB754652A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB1093/50A 1949-06-30 1950-01-16 Selection system for electrical circuits or equipments Expired GB754652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861422X 1949-06-30

Publications (1)

Publication Number Publication Date
GB754652A true GB754652A (en) 1956-08-08

Family

ID=9339808

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1093/50A Expired GB754652A (en) 1949-06-30 1950-01-16 Selection system for electrical circuits or equipments
GB4997/56A Expired GB754702A (en) 1949-06-30 1950-01-16 Improvements in or relating to automatic telecommunication exchange equipment
GB1498/52A Expired GB754655A (en) 1949-06-30 1950-01-16 Improvements in or relating to automatic telecommunication exchange equipment

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB4997/56A Expired GB754702A (en) 1949-06-30 1950-01-16 Improvements in or relating to automatic telecommunication exchange equipment
GB1498/52A Expired GB754655A (en) 1949-06-30 1950-01-16 Improvements in or relating to automatic telecommunication exchange equipment

Country Status (7)

Country Link
US (1) US2667540A (instruction)
BE (1) BE496497A (instruction)
CH (1) CH312454A (instruction)
DE (1) DE861422C (instruction)
FR (1) FR1014172A (instruction)
GB (3) GB754652A (instruction)
NL (2) NL88314C (instruction)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527189A (instruction) * 1953-03-12
BE528313A (instruction) * 1953-04-24 1900-01-01
NL255464A (instruction) * 1959-05-29
NL111844C (instruction) * 1959-10-20

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631506A (en) * 1922-09-11 1927-06-07 Automatic Electric Inc Automatic switch
GB320938A (en) * 1928-07-26 1929-10-28 Automatio Telephone Mfg Compan Improvements in or relating to telephone systems
FR882420A (instruction) * 1941-06-10 1943-06-18
US2504274A (en) * 1945-04-16 1950-04-18 Ericsson Telefon Ab L M System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines

Also Published As

Publication number Publication date
BE496497A (instruction)
DE861422C (de) 1953-01-05
GB754655A (en) 1956-08-08
FR1014172A (fr) 1952-08-11
GB754702A (en) 1956-08-08
CH312454A (fr) 1955-12-31
NL154534B (nl)
US2667540A (en) 1954-01-26
NL88314C (instruction)

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