CH255845A - Installation de téléphonie. - Google Patents

Installation de téléphonie.

Info

Publication number
CH255845A
CH255845A CH255845DA CH255845A CH 255845 A CH255845 A CH 255845A CH 255845D A CH255845D A CH 255845DA CH 255845 A CH255845 A CH 255845A
Authority
CH
Switzerland
Prior art keywords
telephone installation
telephone
installation
Prior art date
Application number
Other languages
English (en)
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 US562940A external-priority patent/US2508636A/en
Application filed by Automatic Telephone & Elect filed Critical Automatic Telephone & Elect
Publication of CH255845A publication Critical patent/CH255845A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
CH255845D 1944-01-12 1945-03-29 Installation de téléphonie. CH255845A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB255845X 1944-01-12
US562940A US2508636A (en) 1944-01-12 1944-11-11 Telephone system employing connecting switches having automatic impulsing means local to the connecting switches and controlled by the calling lines
US42165A US2530802A (en) 1944-01-12 1948-08-03 Telephone system employing finder switches for connecting calling lines to numericalswitches
US42164A US2540644A (en) 1944-01-12 1948-08-03 Allotter switch for preassigning idle finder switches

Publications (1)

Publication Number Publication Date
CH255845A true CH255845A (fr) 1948-07-15

Family

ID=32234280

Family Applications (1)

Application Number Title Priority Date Filing Date
CH255845D CH255845A (fr) 1944-01-12 1945-03-29 Installation de téléphonie.

Country Status (4)

Country Link
US (2) US2530802A (fr)
CH (1) CH255845A (fr)
FR (1) FR932862A (fr)
GB (2) GB575294A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740841A (en) * 1953-01-16 1956-04-03 Itt Automatic rural crossbar switching system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256500A (en) * 1916-04-27 1918-02-12 Western Electric Co Telephone-exchange system.
NL8317C (fr) * 1919-05-21
US1600358A (en) * 1923-12-27 1926-09-21 Coventry Autom Telephones Ltd Remote-control system
US1799485A (en) * 1928-12-10 1931-04-07 Reserve Holding Co Telephone system
US2040291A (en) * 1932-11-25 1936-05-12 Bell Telephone Labor Inc Telephone system
US2209513A (en) * 1937-07-17 1940-07-30 Bell Telephone Labor Inc Telephone system
NL63260C (fr) * 1943-07-08

Also Published As

Publication number Publication date
US2530802A (en) 1950-11-21
FR932862A (fr) 1948-04-05
GB575312A (en) 1946-02-12
GB575294A (en) 1946-02-12
US2540644A (en) 1951-02-06

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