GB698383A - Improvements in or relating to cross-bar switches for automatic telephone exchanges - Google Patents

Improvements in or relating to cross-bar switches for automatic telephone exchanges

Info

Publication number
GB698383A
GB698383A GB24762/51A GB2476251A GB698383A GB 698383 A GB698383 A GB 698383A GB 24762/51 A GB24762/51 A GB 24762/51A GB 2476251 A GB2476251 A GB 2476251A GB 698383 A GB698383 A GB 698383A
Authority
GB
United Kingdom
Prior art keywords
bar
conductors
selecting
contact
vertical
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
GB24762/51A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB698383A publication Critical patent/GB698383A/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

  • Structure Of Telephone Exchanges (AREA)
  • Contacts (AREA)
  • Toys (AREA)
GB24762/51A 1950-10-23 1951-10-23 Improvements in or relating to cross-bar switches for automatic telephone exchanges Expired GB698383A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE316977X 1950-10-23
SE290651X 1951-06-29

Publications (1)

Publication Number Publication Date
GB698383A true GB698383A (en) 1953-10-14

Family

ID=26656222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24762/51A Expired GB698383A (en) 1950-10-23 1951-10-23 Improvements in or relating to cross-bar switches for automatic telephone exchanges

Country Status (7)

Country Link
US (1) US2718559A (de)
BE (1) BE506582A (de)
CH (1) CH316977A (de)
DE (1) DE881958C (de)
FR (1) FR1048642A (de)
GB (1) GB698383A (de)
NL (1) NL75662C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669810B2 (en) 2012-01-10 2017-06-06 Honeywell International Inc. Brake assembly including independently activatable brake actuators

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184891B (nl) * 1953-03-04 Degussa Werkwijze voor het bereiden van zeoliet a.
US2909613A (en) * 1954-11-30 1959-10-20 Itt Flat-bank crossbar switch
BE546698A (de) * 1955-04-06
DE962986C (de) * 1955-05-13 1957-05-02 Standard Elek K Ag Anzeigeeinrichtung zur Kennzeichnung der Einstellung von Kreuzschienenschaltern in Fernmelde-, insbesondere Fernsprechanlagen
DE1083340B (de) * 1955-09-20 1960-06-15 Sven Arnold Karlsson Dipl Ing Schaltungsanordnung zur Herstellung von Verbindungen in Fernmelde-, insbesondere Fernsprech-anlagen
BE551513A (de) * 1955-10-04
US3460076A (en) * 1967-12-06 1969-08-05 Karl Axel Lundkvist Crossbar switching device for use in automatic telephone systems
BE786866A (fr) * 1971-07-29 1973-01-29 Gte Automatic Electric Lab Inc Commutateur miniature a barres transversales
US4138197A (en) * 1975-12-22 1979-02-06 National Controls, Inc. Key actuator
US4141658A (en) * 1977-06-29 1979-02-27 Ricca Tom L Attachment for remote control of a keyboard

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2226666A (en) * 1937-12-21 1940-12-31 Ericsson Telefon Ab L M Selector multiples
GB521004A (en) * 1938-11-08 1940-05-09 Frans Van Laethem Improvements in or relating to selector switch banks
US2341029A (en) * 1942-07-01 1944-02-08 Bell Telephone Labor Inc Switching mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669810B2 (en) 2012-01-10 2017-06-06 Honeywell International Inc. Brake assembly including independently activatable brake actuators

Also Published As

Publication number Publication date
CH316977A (de) 1956-10-31
DE881958C (de) 1953-07-06
BE506582A (de)
FR1048642A (fr) 1953-12-23
NL75662C (de)
US2718559A (en) 1955-09-20

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