FR23959E - Improvements to automatic switch telephone systems - Google Patents

Improvements to automatic switch telephone systems

Info

Publication number
FR23959E
FR23959E FR23959DA FR23959E FR 23959 E FR23959 E FR 23959E FR 23959D A FR23959D A FR 23959DA FR 23959 E FR23959 E FR 23959E
Authority
FR
France
Prior art keywords
automatic switch
telephone systems
switch telephone
systems
automatic
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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.)
Publication date
Priority claimed from US301933A external-priority patent/US1543869A/en
Priority claimed from US322943A external-priority patent/US1464109A/en
Application granted granted Critical
Publication of FR23959E publication Critical patent/FR23959E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR23959D 1919-06-05 Improvements to automatic switch telephone systems Expired FR23959E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US301933A US1543869A (en) 1919-06-05 1919-06-05 Telephone-exchange system
US322943A US1464109A (en) 1919-09-10 1919-09-10 Automatic telephone-exchange system

Publications (1)

Publication Number Publication Date
FR23959E true FR23959E (en) 1922-01-26

Family

ID=26972670

Family Applications (3)

Application Number Title Priority Date Filing Date
FR23959D Expired FR23959E (en) 1919-06-05 Improvements to automatic switch telephone systems
FR526529D Expired FR526529A (en) 1919-06-05 1920-05-27 Improvements to automatic switch telephone systems
FR26877D Expired FR26877E (en) 1919-06-05 1922-09-19 Improvements to automatic switch telephone systems

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR526529D Expired FR526529A (en) 1919-06-05 1920-05-27 Improvements to automatic switch telephone systems
FR26877D Expired FR26877E (en) 1919-06-05 1922-09-19 Improvements to automatic switch telephone systems

Country Status (4)

Country Link
DE (2) DE367091C (en)
FR (3) FR526529A (en)
GB (2) GB150727A (en)
NL (2) NL13408C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153282B (en) * 1955-05-05 1963-08-22 Mac Gregor & Co Naval Architec Hatch locking device for ship hatches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153282B (en) * 1955-05-05 1963-08-22 Mac Gregor & Co Naval Architec Hatch locking device for ship hatches

Also Published As

Publication number Publication date
NL13408C (en)
FR26877E (en) 1924-03-19
FR526529A (en) 1921-10-10
DE367091C (en) 1923-01-16
NL11699C (en)
DE375226C (en) 1923-05-08
GB144264A (en) 1920-11-18
GB150727A (en) 1920-10-14

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