FR31705E - Automatic switching system - Google Patents

Automatic switching system

Info

Publication number
FR31705E
FR31705E FR31705DA FR31705E FR 31705 E FR31705 E FR 31705E FR 31705D A FR31705D A FR 31705DA FR 31705 E FR31705 E FR 31705E
Authority
FR
France
Prior art keywords
switching system
automatic switching
automatic
switching
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR31705E publication Critical patent/FR31705E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR31705D 1923-05-18 1925-09-07 Automatic switching system Expired FR31705E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR570941T 1923-05-18

Publications (1)

Publication Number Publication Date
FR31705E true FR31705E (en) 1927-06-10

Family

ID=8882589

Family Applications (5)

Application Number Title Priority Date Filing Date
FR570941D Expired FR570941A (en) 1923-05-18 1923-05-18 Automatic switching system
FR28111D Expired FR28111E (en) 1923-05-18 1923-08-01
FR29482D Expired FR29482E (en) 1923-05-18 1924-04-29
FR31471D Expired FR31471E (en) 1923-05-18 1925-08-17 Automatic switching system
FR31705D Expired FR31705E (en) 1923-05-18 1925-09-07 Automatic switching system

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FR570941D Expired FR570941A (en) 1923-05-18 1923-05-18 Automatic switching system
FR28111D Expired FR28111E (en) 1923-05-18 1923-08-01
FR29482D Expired FR29482E (en) 1923-05-18 1924-04-29
FR31471D Expired FR31471E (en) 1923-05-18 1925-08-17 Automatic switching system

Country Status (4)

Country Link
US (1) US1556474A (en)
DE (2) DE490255C (en)
FR (5) FR570941A (en)
GB (2) GB223985A (en)

Also Published As

Publication number Publication date
FR29482E (en) 1925-08-07
GB223985A (en) 1924-10-31
GB233339A (en) 1926-09-27
FR570941A (en) 1924-05-09
FR28111E (en) 1925-01-15
US1556474A (en) 1925-10-06
FR31471E (en) 1924-03-14
DE505408C (en) 1930-08-19
DE490255C (en) 1930-01-29

Similar Documents

Publication Publication Date Title
FR31471E (en) Automatic switching system
FR818504A (en) Automatic switching system for teleprinter or similar
FR560775A (en) Automatic switch
FR594329A (en) Automatic telephone system
FR561859A (en) Automatic block system
FR628774A (en) Separate switching system
ES86481A1 (en) An automatic switching system.
FR592684A (en) Relay system
FR582686A (en) Remote switch system
FR583029A (en) Automatic telephone system
FR574585A (en) Automatic relay separator
FR579614A (en) Advanced speaker system
FR28005E (en) Automatic switch
FR565844A (en) Automatic current contactor
FR32350E (en) Automatic telephone system
ES93533A1 (en) An automatic switching system.
FR585311A (en) Lens system
DK34322C (en) Automatic Telephone System.
FR577616A (en) Automatic brake
FR579517A (en) Automatic incubator
ES101352A1 (en) Automatic electric switch.
DK35413C (en) Telephone system with automatic Selectors.
FR581670A (en) Transmission system
AT96122B (en) Telephone switching system.
FR569727A (en) Advanced faucet system