FR8535E - Compressed air loudspeaker device - Google Patents

Compressed air loudspeaker device

Info

Publication number
FR8535E
FR8535E FR8535DA FR8535E FR 8535 E FR8535 E FR 8535E FR 8535D A FR8535D A FR 8535DA FR 8535 E FR8535 E FR 8535E
Authority
FR
France
Prior art keywords
compressed air
loudspeaker device
air loudspeaker
compressed
loudspeaker
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
Georges Mendel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR8535E publication Critical patent/FR8535E/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR8535D 1907-01-11 1907-02-13 Compressed air loudspeaker device Expired FR8535E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR373539T 1907-01-11
FR8535T 1907-02-13

Publications (1)

Publication Number Publication Date
FR8535E true FR8535E (en) 1908-04-28

Family

ID=1351209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8535D Expired FR8535E (en) 1907-01-11 1907-02-13 Compressed air loudspeaker device

Country Status (1)

Country Link
FR (1) FR8535E (en)

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