FR713666A - Signaling device for automatic telephone installation - Google Patents

Signaling device for automatic telephone installation

Info

Publication number
FR713666A
FR713666A FR713666DA FR713666A FR 713666 A FR713666 A FR 713666A FR 713666D A FR713666D A FR 713666DA FR 713666 A FR713666 A FR 713666A
Authority
FR
France
Prior art keywords
signaling device
automatic telephone
telephone installation
installation
automatic
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.)
TELEPHONES GRAMMONT SOC D
Original Assignee
TELEPHONES GRAMMONT SOC D
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 TELEPHONES GRAMMONT SOC D filed Critical TELEPHONES GRAMMONT SOC D
Application granted granted Critical
Publication of FR713666A publication Critical patent/FR713666A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR713666D 1931-03-23 1931-03-23 Signaling device for automatic telephone installation Expired FR713666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR713666T 1931-03-23

Publications (1)

Publication Number Publication Date
FR713666A true FR713666A (en) 1931-10-31

Family

ID=9084250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713666D Expired FR713666A (en) 1931-03-23 1931-03-23 Signaling device for automatic telephone installation

Country Status (1)

Country Link
FR (1) FR713666A (en)

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