FR933193A - Telephone devices - Google Patents

Telephone devices

Info

Publication number
FR933193A
FR933193A FR933193DA FR933193A FR 933193 A FR933193 A FR 933193A FR 933193D A FR933193D A FR 933193DA FR 933193 A FR933193 A FR 933193A
Authority
FR
France
Prior art keywords
telephone devices
telephone
devices
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.)
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 FR933193A publication Critical patent/FR933193A/en
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)
  • Exchange Systems With Centralized Control (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR933193D 1941-12-18 1946-09-03 Telephone devices Expired FR933193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16334/41A GB554136A (en) 1941-12-18 1941-12-18 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
FR933193A true FR933193A (en) 1948-04-13

Family

ID=10075412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933193D Expired FR933193A (en) 1941-12-18 1946-09-03 Telephone devices

Country Status (5)

Country Link
US (1) US2358185A (en)
BE (1) BE554136A (en)
FR (1) FR933193A (en)
GB (1) GB554136A (en)
NL (1) NL62663C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176080A (en) * 1959-12-11 1965-03-30 Gen Dynamies Corp Night answering and transfer of trunk calls
DE1135055B (en) * 1961-03-07 1962-08-23 Standard Elektrik Lorenz Ag Circuit arrangement for authorization identification in telephone branch exchanges
BE622308A (en) * 1961-09-11

Also Published As

Publication number Publication date
NL62663C (en)
GB554136A (en) 1943-06-22
BE554136A (en)
US2358185A (en) 1944-09-12

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