FR1015955A - Dispositif radiophonique - Google Patents

Dispositif radiophonique

Info

Publication number
FR1015955A
FR1015955A FR1015955DA FR1015955A FR 1015955 A FR1015955 A FR 1015955A FR 1015955D A FR1015955D A FR 1015955DA FR 1015955 A FR1015955 A FR 1015955A
Authority
FR
France
Prior art keywords
radio device
radio
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
Maurice Bonnaffous
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.)
APP ET D EXPL DES ETABLISSEMEN
Original Assignee
APP ET D EXPL DES ETABLISSEMEN
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 APP ET D EXPL DES ETABLISSEMEN filed Critical APP ET D EXPL DES ETABLISSEMEN
Application granted granted Critical
Publication of FR1015955A publication Critical patent/FR1015955A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1015955D 1950-04-04 1950-04-04 Dispositif radiophonique Expired FR1015955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1015955T 1950-04-04

Publications (1)

Publication Number Publication Date
FR1015955A true FR1015955A (fr) 1952-10-29

Family

ID=9573368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1015955D Expired FR1015955A (fr) 1950-04-04 1950-04-04 Dispositif radiophonique

Country Status (1)

Country Link
FR (1) FR1015955A (fr)

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