FR930799A - Improvements to intercom type devices - Google Patents

Improvements to intercom type devices

Info

Publication number
FR930799A
FR930799A FR930799DA FR930799A FR 930799 A FR930799 A FR 930799A FR 930799D A FR930799D A FR 930799DA FR 930799 A FR930799 A FR 930799A
Authority
FR
France
Prior art keywords
type devices
intercom type
intercom
devices
type
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)
Inventor
Meunier
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.)
LE TELEAUTOMATE
Original Assignee
LE TELEAUTOMATE
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 TELEAUTOMATE filed Critical LE TELEAUTOMATE
Application granted granted Critical
Publication of FR930799A publication Critical patent/FR930799A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR930799D 1946-07-16 1946-07-16 Improvements to intercom type devices Expired FR930799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR930799T 1946-07-16

Publications (1)

Publication Number Publication Date
FR930799A true FR930799A (en) 1948-02-04

Family

ID=9448740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930799D Expired FR930799A (en) 1946-07-16 1946-07-16 Improvements to intercom type devices

Country Status (1)

Country Link
FR (1) FR930799A (en)

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