FR629755A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR629755A
FR629755A FR629755DA FR629755A FR 629755 A FR629755 A FR 629755A FR 629755D A FR629755D A FR 629755DA FR 629755 A FR629755 A FR 629755A
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR629755A publication Critical patent/FR629755A/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)
  • Structure Of Telephone Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
FR629755D 1926-05-28 1927-02-24 Improvements to telephone systems Expired FR629755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1360626A GB276442A (en) 1926-05-28 1926-05-28 Improvements in telephone systems

Publications (1)

Publication Number Publication Date
FR629755A true FR629755A (en) 1927-11-17

Family

ID=10026084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR629755D Expired FR629755A (en) 1926-05-28 1927-02-24 Improvements to telephone systems

Country Status (2)

Country Link
FR (1) FR629755A (en)
GB (1) GB276442A (en)

Also Published As

Publication number Publication date
GB276442A (en) 1927-08-29

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