FR725250A - Coupling arrangement for telephone systems - Google Patents

Coupling arrangement for telephone systems

Info

Publication number
FR725250A
FR725250A FR725250DA FR725250A FR 725250 A FR725250 A FR 725250A FR 725250D A FR725250D A FR 725250DA FR 725250 A FR725250 A FR 725250A
Authority
FR
France
Prior art keywords
coupling arrangement
telephone systems
telephone
systems
coupling
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
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR725250A publication Critical patent/FR725250A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
FR725250D 1931-10-19 1931-10-19 Coupling arrangement for telephone systems Expired FR725250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR725250T 1931-10-19

Publications (1)

Publication Number Publication Date
FR725250A true FR725250A (en) 1932-05-10

Family

ID=9109960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR725250D Expired FR725250A (en) 1931-10-19 1931-10-19 Coupling arrangement for telephone systems

Country Status (2)

Country Link
US (1) US2010365A (en)
FR (1) FR725250A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2658109A (en) * 1949-12-31 1953-11-03 Stromberg Carlson Co Automatic telephone system

Also Published As

Publication number Publication date
US2010365A (en) 1935-08-06

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