FR934143A - Installation combinée d'émetteur radio-électrique et de haut-parleur - Google Patents

Installation combinée d'émetteur radio-électrique et de haut-parleur

Info

Publication number
FR934143A
FR934143A FR934143DA FR934143A FR 934143 A FR934143 A FR 934143A FR 934143D A FR934143D A FR 934143DA FR 934143 A FR934143 A FR 934143A
Authority
FR
France
Prior art keywords
loudspeaker
radio transmitter
combined installation
installation
combined
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)
Inventor
Cuthbert George Garland Withey
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.)
INTERNAT MARINE RADIO Co
Original Assignee
INTERNAT MARINE RADIO Co
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 INTERNAT MARINE RADIO Co filed Critical INTERNAT MARINE RADIO Co
Application granted granted Critical
Publication of FR934143A publication Critical patent/FR934143A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR934143D 1944-02-21 1946-10-03 Installation combinée d'émetteur radio-électrique et de haut-parleur Expired FR934143A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB934143X 1944-02-21

Publications (1)

Publication Number Publication Date
FR934143A true FR934143A (fr) 1948-05-12

Family

ID=10747684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934143D Expired FR934143A (fr) 1944-02-21 1946-10-03 Installation combinée d'émetteur radio-électrique et de haut-parleur

Country Status (1)

Country Link
FR (1) FR934143A (fr)

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