FR938800A - Dispositif téléphonique - Google Patents

Dispositif téléphonique

Info

Publication number
FR938800A
FR938800A FR938800DA FR938800A FR 938800 A FR938800 A FR 938800A FR 938800D A FR938800D A FR 938800DA FR 938800 A FR938800 A FR 938800A
Authority
FR
France
Prior art keywords
telephone device
telephone
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
English (en)
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
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 Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of FR938800A publication Critical patent/FR938800A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR938800D 1940-04-11 1946-11-18 Dispositif téléphonique Expired FR938800A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US329071A US2265151A (en) 1940-04-11 1940-04-11 Telephone system

Publications (1)

Publication Number Publication Date
FR938800A true FR938800A (fr) 1948-10-25

Family

ID=23283735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938800D Expired FR938800A (fr) 1940-04-11 1946-11-18 Dispositif téléphonique

Country Status (2)

Country Link
US (1) US2265151A (fr)
FR (1) FR938800A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577759A (en) * 1942-11-13 1951-12-11 Int Standard Electric Corp Trunk telephone office without three cords
US2496902A (en) * 1945-06-28 1950-02-07 Automatic Elect Lab Private automatic telephone system of the passing call type
US2483179A (en) * 1945-09-15 1949-09-27 Automatic Elect Lab Interoffice connection

Also Published As

Publication number Publication date
US2265151A (en) 1941-12-09

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