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GB521144A - Improvements in or relating to switches for use, for instance, in automatic telephone systems - Google Patents

Improvements in or relating to switches for use, for instance, in automatic telephone systems

Info

Publication number
GB521144A
GB521144A GB29132/38A GB2913238A GB521144A GB 521144 A GB521144 A GB 521144A GB 29132/38 A GB29132/38 A GB 29132/38A GB 2913238 A GB2913238 A GB 2913238A GB 521144 A GB521144 A GB 521144A
Authority
GB
United Kingdom
Prior art keywords
contacts
outlet
operating
contact
strips
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
GB29132/38A
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 GB521144A publication Critical patent/GB521144A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00Electrically-operated selector switches
    • H01H67/02Multi-position wiper switches
    • H01H67/04Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06Rotary switches, i.e. having angularly movable wipers

Landscapes

  • Structure Of Telephone Exchanges (AREA)
GB29132/38A 1937-11-10 1938-10-07 Improvements in or relating to switches for use, for instance, in automatic telephone systems Expired GB521144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE238418X 1937-11-10

Publications (1)

Publication Number Publication Date
GB521144A true GB521144A (en) 1940-05-14

Family

ID=3866356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29132/38A Expired GB521144A (en) 1937-11-10 1938-10-07 Improvements in or relating to switches for use, for instance, in automatic telephone systems

Country Status (3)

Country Link
CH (1) CH238418A (fr)
FR (1) FR845611A (fr)
GB (1) GB521144A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110694B (de) * 1959-04-11 1961-07-13 Schori Ag Ernst Auswahleinrichtung fuer Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
CH238418A (fr) 1945-07-15
FR845611A (fr) 1939-08-29

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