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GB781553A - Coordinate switching unit - Google Patents

Coordinate switching unit

Info

Publication number
GB781553A
GB781553A GB1227/56A GB122756A GB781553A GB 781553 A GB781553 A GB 781553A GB 1227/56 A GB1227/56 A GB 1227/56A GB 122756 A GB122756 A GB 122756A GB 781553 A GB781553 A GB 781553A
Authority
GB
United Kingdom
Prior art keywords
switching unit
coordinate switching
jan
contacts
group xxxix
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
GB1227/56A
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
Priority claimed from US532719A external-priority patent/US2942069A/en
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB781553A publication Critical patent/GB781553A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Audible And Visible Signals (AREA)

Abstract

781,553. Switch contacts. STANDARD TELEPHONES & CABLES, Ltd. Jan. 13, 1956 [Jan. 19, 1955], No. 1227/56. Class 38 (5). [Also in Group XXXIX] In a cross-bar switch described in Group XXXIX the contacts on a flexible conductor are made of rhodium 60b on a backing of nickel flashing 60a.
GB1227/56A 1955-01-19 1956-01-13 Coordinate switching unit Expired GB781553A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US781553XA 1955-01-19 1955-01-19
US532719A US2942069A (en) 1955-09-06 1955-09-06 Coordinate switch

Publications (1)

Publication Number Publication Date
GB781553A true GB781553A (en) 1957-08-21

Family

ID=26760165

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1227/56A Expired GB781553A (en) 1955-01-19 1956-01-13 Coordinate switching unit
GB26732/56A Expired GB804979A (en) 1955-01-19 1956-08-31 Improvements in or relating to multiple contact switches

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB26732/56A Expired GB804979A (en) 1955-01-19 1956-08-31 Improvements in or relating to multiple contact switches

Country Status (6)

Country Link
BE (2) BE544534A (en)
CH (2) CH345055A (en)
DE (1) DE1110239B (en)
FR (1) FR1154428A (en)
GB (2) GB781553A (en)
NL (2) NL210942A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120584A (en) * 1960-11-29 1964-02-04 Western Electric Co Multisurface cross point switching mechanisms
DE1263550B (en) * 1963-10-16 1968-03-14 Siemens Ag Device for querying and remote transmission of counters, especially electricity counters
DE1189592B (en) * 1963-11-09 1965-03-25 Telefonbau & Normalzeit Gmbh Coupling matrix arrangement for telecommunications, especially telephone dialing systems with protected contacts and elastic column and row contact multiple conductors
FR2135059B1 (en) * 1971-05-04 1976-12-03 Ass Ouvriers Instr Precision
GB8303679D0 (en) * 1983-02-10 1983-03-16 Gould Instr Ltd Variable control device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE878675C (en) * 1953-04-23 Mix & Genest Ag Telephone PBX
AT22412B (en) * 1902-07-07 1905-12-27 Albert Parker Hanson Line arrangement for low-voltage power stations.
AT119408B (en) * 1928-01-25 1930-10-25 Gotthilf Ansgarius Betulander Selector device with crossed drive links.
US2616994A (en) * 1948-05-06 1952-11-04 Ibm Rotary switch
DE899378C (en) * 1948-10-05 1953-12-10 Technograph Printed Circuits L Flat multi-core electrical cable and process for making it
BE494815A (en) * 1949-03-29
BE512147A (en) * 1951-06-18
DE924217C (en) * 1952-10-31 1955-02-28 Standard Elek Zitaets Ges Ag Selector switch for telecommunications, in particular telephone systems

Also Published As

Publication number Publication date
BE550834A (en)
GB804979A (en) 1958-11-26
DE1110239B (en) 1961-07-06
NL203714A (en)
CH342610A (en) 1959-11-30
NL210942A (en)
CH345055A (en) 1960-03-15
FR1154428A (en) 1958-04-10
BE544534A (en)

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