FR652139A - Perfectionnements aux amplificateurs de sons - Google Patents

Perfectionnements aux amplificateurs de sons

Info

Publication number
FR652139A
FR652139A FR652139DA FR652139A FR 652139 A FR652139 A FR 652139A FR 652139D A FR652139D A FR 652139DA FR 652139 A FR652139 A FR 652139A
Authority
FR
France
Prior art keywords
sound amplifiers
amplifiers
sound
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
Peter Herdig Fuller
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 FR652139A publication Critical patent/FR652139A/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
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/283Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR652139D 1928-04-04 1928-04-04 Perfectionnements aux amplificateurs de sons Expired FR652139A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR652139T 1928-04-04

Publications (1)

Publication Number Publication Date
FR652139A true FR652139A (fr) 1929-03-05

Family

ID=9005070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652139D Expired FR652139A (fr) 1928-04-04 1928-04-04 Perfectionnements aux amplificateurs de sons

Country Status (1)

Country Link
FR (1) FR652139A (fr)

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