GB661884A - Switching system for establishing a number of connections by means of one or more multiple switches, for example, for use in an automatic telephone exchange or the like - Google Patents

Switching system for establishing a number of connections by means of one or more multiple switches, for example, for use in an automatic telephone exchange or the like

Info

Publication number
GB661884A
GB661884A GB23840/48A GB2384048A GB661884A GB 661884 A GB661884 A GB 661884A GB 23840/48 A GB23840/48 A GB 23840/48A GB 2384048 A GB2384048 A GB 2384048A GB 661884 A GB661884 A GB 661884A
Authority
GB
United Kingdom
Prior art keywords
magnet
relay
test
wire
potentials
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
GB23840/48A
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 GB661884A publication Critical patent/GB661884A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
GB23840/48A 1947-09-13 1948-09-10 Switching system for establishing a number of connections by means of one or more multiple switches, for example, for use in an automatic telephone exchange or the like Expired GB661884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL661884X 1947-09-13

Publications (1)

Publication Number Publication Date
GB661884A true GB661884A (en) 1951-11-28

Family

ID=19798618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23840/48A Expired GB661884A (en) 1947-09-13 1948-09-10 Switching system for establishing a number of connections by means of one or more multiple switches, for example, for use in an automatic telephone exchange or the like

Country Status (2)

Country Link
BE (1) BE477323A (forum.php)
GB (1) GB661884A (forum.php)

Also Published As

Publication number Publication date
BE477323A (forum.php) 1949-05-14

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