FR780266A - Appareil radio-phono-téléphonique - Google Patents

Appareil radio-phono-téléphonique

Info

Publication number
FR780266A
FR780266A FR780266DA FR780266A FR 780266 A FR780266 A FR 780266A FR 780266D A FR780266D A FR 780266DA FR 780266 A FR780266 A FR 780266A
Authority
FR
France
Prior art keywords
phono
radio
telephone device
telephone
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
English (en)
French (fr)
Inventor
Louis Paul Durand
Pier Carlo Ricchiardi
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 filed Critical
Application granted granted Critical
Publication of FR780266A publication Critical patent/FR780266A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR780266D 1934-02-02 1934-01-09 Appareil radio-phono-téléphonique Expired FR780266A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781004T 1934-02-02

Publications (1)

Publication Number Publication Date
FR780266A true FR780266A (fr) 1935-04-23

Family

ID=9206698

Family Applications (2)

Application Number Title Priority Date Filing Date
FR780266D Expired FR780266A (fr) 1934-02-02 1934-01-09 Appareil radio-phono-téléphonique
FR781004D Expired FR781004A (fr) 1934-02-02 1934-02-02 Perfectionnements aux appareils radio-phono-téléphoniques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR781004D Expired FR781004A (fr) 1934-02-02 1934-02-02 Perfectionnements aux appareils radio-phono-téléphoniques

Country Status (2)

Country Link
BE (1) BE407140A (instruction)
FR (2) FR780266A (instruction)

Also Published As

Publication number Publication date
FR781004A (fr) 1935-05-08
BE407140A (instruction)

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