GB278076A - Improvements in or relating to automatic switches for telephone systems - Google Patents

Improvements in or relating to automatic switches for telephone systems

Info

Publication number
GB278076A
GB278076A GB1637026A GB1637026A GB278076A GB 278076 A GB278076 A GB 278076A GB 1637026 A GB1637026 A GB 1637026A GB 1637026 A GB1637026 A GB 1637026A GB 278076 A GB278076 A GB 278076A
Authority
GB
United Kingdom
Prior art keywords
brushes
shaft
brush
magnet
terminals
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
GB1637026A
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.)
Individual
Original Assignee
Individual
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 to BE340108D priority Critical patent/BE340108A/xx
Application filed by Individual filed Critical Individual
Priority to GB1637026A priority patent/GB278076A/en
Priority to FR629091D priority patent/FR629091A/fr
Publication of GB278076A publication Critical patent/GB278076A/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
    • H01H67/02—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

  • Motor Or Generator Current Collectors (AREA)
  • Dc Machiner (AREA)
GB1637026A 1926-06-29 1926-06-29 Improvements in or relating to automatic switches for telephone systems Expired GB278076A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE340108D BE340108A (enrdf_load_stackoverflow) 1926-06-29
GB1637026A GB278076A (en) 1926-06-29 1926-06-29 Improvements in or relating to automatic switches for telephone systems
FR629091D FR629091A (fr) 1926-06-29 1927-02-14 Perfectionnements aux commutateurs automatiques utilisés dans les bureaux centraux téléphoniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1637026A GB278076A (en) 1926-06-29 1926-06-29 Improvements in or relating to automatic switches for telephone systems

Publications (1)

Publication Number Publication Date
GB278076A true GB278076A (en) 1927-09-29

Family

ID=10076077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1637026A Expired GB278076A (en) 1926-06-29 1926-06-29 Improvements in or relating to automatic switches for telephone systems

Country Status (3)

Country Link
BE (1) BE340108A (enrdf_load_stackoverflow)
FR (1) FR629091A (enrdf_load_stackoverflow)
GB (1) GB278076A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE340108A (enrdf_load_stackoverflow)
FR629091A (fr) 1927-11-03

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