FR625839A - Advanced speaker system - Google Patents

Advanced speaker system

Info

Publication number
FR625839A
FR625839A FR625839DA FR625839A FR 625839 A FR625839 A FR 625839A FR 625839D A FR625839D A FR 625839DA FR 625839 A FR625839 A FR 625839A
Authority
FR
France
Prior art keywords
speaker system
advanced speaker
advanced
speaker
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
Henri Betrix
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 FR625839A publication Critical patent/FR625839A/en
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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR625839D 1926-12-08 1926-12-08 Advanced speaker system Expired FR625839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625839T 1926-12-08

Publications (1)

Publication Number Publication Date
FR625839A true FR625839A (en) 1927-08-20

Family

ID=8987972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625839D Expired FR625839A (en) 1926-12-08 1926-12-08 Advanced speaker system

Country Status (1)

Country Link
FR (1) FR625839A (en)

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