FR647782A - Automatic switch - Google Patents

Automatic switch

Info

Publication number
FR647782A
FR647782A FR647782DA FR647782A FR 647782 A FR647782 A FR 647782A FR 647782D A FR647782D A FR 647782DA FR 647782 A FR647782 A FR 647782A
Authority
FR
France
Prior art keywords
automatic switch
automatic
switch
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Application granted granted Critical
Publication of FR647782A publication Critical patent/FR647782A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR647782D 1927-02-14 1928-01-25 Automatic switch Expired FR647782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US285365XA 1927-02-14 1927-02-14

Publications (1)

Publication Number Publication Date
FR647782A true FR647782A (en) 1928-11-30

Family

ID=21843986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647782D Expired FR647782A (en) 1927-02-14 1928-01-25 Automatic switch

Country Status (2)

Country Link
FR (1) FR647782A (en)
GB (1) GB285365A (en)

Also Published As

Publication number Publication date
GB285365A (en) 1929-04-15

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