FR802988A - Device for suppressing the feedback effect in t receiving devices. s. f. - Google Patents

Device for suppressing the feedback effect in t receiving devices. s. f.

Info

Publication number
FR802988A
FR802988A FR802988DA FR802988A FR 802988 A FR802988 A FR 802988A FR 802988D A FR802988D A FR 802988DA FR 802988 A FR802988 A FR 802988A
Authority
FR
France
Prior art keywords
suppressing
receiving devices
feedback effect
feedback
effect
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
Rene Popelard
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 FR802988A publication Critical patent/FR802988A/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
    • 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)
FR802988D 1936-03-05 1936-03-05 Device for suppressing the feedback effect in t receiving devices. s. f. Expired FR802988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802988T 1936-03-05

Publications (1)

Publication Number Publication Date
FR802988A true FR802988A (en) 1936-09-19

Family

ID=9249881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802988D Expired FR802988A (en) 1936-03-05 1936-03-05 Device for suppressing the feedback effect in t receiving devices. s. f.

Country Status (1)

Country Link
FR (1) FR802988A (en)

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