FR844942A - Perfectionnements aux boîtiers de haut-parleurs - Google Patents

Perfectionnements aux boîtiers de haut-parleurs

Info

Publication number
FR844942A
FR844942A FR844942DA FR844942A FR 844942 A FR844942 A FR 844942A FR 844942D A FR844942D A FR 844942DA FR 844942 A FR844942 A FR 844942A
Authority
FR
France
Prior art keywords
speaker enclosures
enclosures
speaker
enclosures improvements
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)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR844942A publication Critical patent/FR844942A/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; DEAF-AID SETS; 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR844942D 1937-10-22 1938-10-20 Perfectionnements aux boîtiers de haut-parleurs Expired FR844942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE844942X 1937-10-22

Publications (1)

Publication Number Publication Date
FR844942A true FR844942A (fr) 1939-08-04

Family

ID=6774660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844942D Expired FR844942A (fr) 1937-10-22 1938-10-20 Perfectionnements aux boîtiers de haut-parleurs

Country Status (1)

Country Link
FR (1) FR844942A (fr)

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