FR488109A - Appareil téléphonique pour véhicules - Google Patents

Appareil téléphonique pour véhicules

Info

Publication number
FR488109A
FR488109A FR488109DA FR488109A FR 488109 A FR488109 A FR 488109A FR 488109D A FR488109D A FR 488109DA FR 488109 A FR488109 A FR 488109A
Authority
FR
France
Prior art keywords
telephone device
vehicle telephone
vehicle
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)
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.)
GEN ACOUSTIC Co SOC
Original Assignee
GEN ACOUSTIC Co SOC
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 GEN ACOUSTIC Co SOC filed Critical GEN ACOUSTIC Co SOC
Application granted granted Critical
Publication of FR488109A publication Critical patent/FR488109A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR488109D 1917-12-21 1917-12-21 Appareil téléphonique pour véhicules Expired FR488109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR488109T 1917-12-21

Publications (1)

Publication Number Publication Date
FR488109A true FR488109A (fr) 1918-09-05

Family

ID=1524501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488109D Expired FR488109A (fr) 1917-12-21 1917-12-21 Appareil téléphonique pour véhicules

Country Status (1)

Country Link
FR (1) FR488109A (fr)

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