CH210439A - Automatic switching device for telephone or similar installation. - Google Patents

Automatic switching device for telephone or similar installation.

Info

Publication number
CH210439A
CH210439A CH210439DA CH210439A CH 210439 A CH210439 A CH 210439A CH 210439D A CH210439D A CH 210439DA CH 210439 A CH210439 A CH 210439A
Authority
CH
Switzerland
Prior art keywords
telephone
switching device
automatic switching
similar installation
installation
Prior art date
Application number
Other languages
French (fr)
Inventor
Automatic Telephone El Limited
Original Assignee
Automatic Telephone & Elect
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 GB20773/37A external-priority patent/GB499762A/en
Application filed by Automatic Telephone & Elect filed Critical Automatic Telephone & Elect
Publication of CH210439A publication Critical patent/CH210439A/en

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
    • H01H67/14—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection
    • H01H67/16—Multi-position wiper switches having wipers movable in two mutually perpendicular directions for purpose of selection one motion being rotary and the other being parallel to the axis of rotation, e.g. Strowger or "up and around" switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
CH210439D 1937-07-27 1938-07-20 Automatic switching device for telephone or similar installation. CH210439A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB20773/37A GB499762A (en) 1938-01-19 1937-07-27 Improvements in automatic switches for use in telephone or like systems
GB190138X 1938-01-19
GB210439X 1939-04-21

Publications (1)

Publication Number Publication Date
CH210439A true CH210439A (en) 1940-07-15

Family

ID=32073921

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210439D CH210439A (en) 1937-07-27 1938-07-20 Automatic switching device for telephone or similar installation.

Country Status (2)

Country Link
US (1) US2222126A (en)
CH (1) CH210439A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB616834A (en) * 1946-06-07 1949-01-27 Automatic Telephone & Elect Improvements in or relating to automatic switches for use in telephone systems
GB657077A (en) * 1948-11-11 1951-09-12 Automatic Telephone & Elect Improvements in or relating to automatic switches as used in telephone systems
GB657076A (en) * 1948-11-11 1951-09-12 Automatic Telephone & Elect Improvements in or relating to automatic switches as used in telephone systems
US2987578A (en) * 1957-05-22 1961-06-06 Automatic Elect Lab Large capacity switches for use in multi-office telephone system

Also Published As

Publication number Publication date
US2222126A (en) 1940-11-19

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