FR941309A - Dispositif de signalisation - Google Patents

Dispositif de signalisation

Info

Publication number
FR941309A
FR941309A FR941309DA FR941309A FR 941309 A FR941309 A FR 941309A FR 941309D A FR941309D A FR 941309DA FR 941309 A FR941309 A FR 941309A
Authority
FR
France
Prior art keywords
signaling device
signaling
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 FR941309A publication Critical patent/FR941309A/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)
  • Contacts (AREA)
  • Lock And Its Accessories (AREA)
FR941309D 1941-05-31 1947-01-27 Dispositif de signalisation Expired FR941309A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396110A US2297068A (en) 1941-05-31 1941-05-31 Signaling system

Publications (1)

Publication Number Publication Date
FR941309A true FR941309A (fr) 1949-01-07

Family

ID=23565884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941309D Expired FR941309A (fr) 1941-05-31 1947-01-27 Dispositif de signalisation

Country Status (2)

Country Link
US (1) US2297068A (fr)
FR (1) FR941309A (fr)

Also Published As

Publication number Publication date
US2297068A (en) 1942-09-29

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