FR777351A - Coupling arrangement for telephone systems with main and secondary offices and operation with selectors - Google Patents

Coupling arrangement for telephone systems with main and secondary offices and operation with selectors

Info

Publication number
FR777351A
FR777351A FR777351DA FR777351A FR 777351 A FR777351 A FR 777351A FR 777351D A FR777351D A FR 777351DA FR 777351 A FR777351 A FR 777351A
Authority
FR
France
Prior art keywords
selectors
offices
main
coupling arrangement
telephone systems
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 DE779425X priority Critical
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR777351A publication Critical patent/FR777351A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
FR777351D 1934-07-12 1934-07-26 Coupling arrangement for telephone systems with main and secondary offices and operation with selectors Expired FR777351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE779425X 1934-07-12

Publications (1)

Publication Number Publication Date
FR777351A true FR777351A (en) 1935-02-18

Family

ID=6687180

Family Applications (4)

Application Number Title Priority Date Filing Date
FR777351D Expired FR777351A (en) 1934-07-12 1934-07-26 Coupling arrangement for telephone systems with main and secondary offices and operation with selectors
FR779426D Expired FR779426A (en) 1934-07-12 1934-08-14 Coupling device for telephone systems with main and secondary offices and operation with selectors
FR779427D Expired FR779427A (en) 1934-07-12 1934-08-14 Coupling arrangement for telephone systems with main and secondary offices and operation with selectors
FR780796D Expired FR780796A (en) 1934-07-12 1934-08-14 Coupling arrangement for automatically controlled selectors in telecommunication installations, in particular telephone installations

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR779426D Expired FR779426A (en) 1934-07-12 1934-08-14 Coupling device for telephone systems with main and secondary offices and operation with selectors
FR779427D Expired FR779427A (en) 1934-07-12 1934-08-14 Coupling arrangement for telephone systems with main and secondary offices and operation with selectors
FR780796D Expired FR780796A (en) 1934-07-12 1934-08-14 Coupling arrangement for automatically controlled selectors in telecommunication installations, in particular telephone installations

Country Status (2)

Country Link
US (1) US2072234A (en)
FR (4) FR777351A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543022A (en) * 1945-08-03 1951-02-27 Standard Telephones Cables Ltd Metering circuit control for automatic telephone systems
NL82021C (en) * 1950-01-28

Also Published As

Publication number Publication date
US2072234A (en) 1937-03-02
FR779426A (en) 1935-04-04
FR779427A (en) 1935-04-04
FR780796A (en) 1935-05-03

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