FR931897A - Improvements to loudspeakers and analog devices - Google Patents

Improvements to loudspeakers and analog devices

Info

Publication number
FR931897A
FR931897A FR931897DA FR931897A FR 931897 A FR931897 A FR 931897A FR 931897D A FR931897D A FR 931897DA FR 931897 A FR931897 A FR 931897A
Authority
FR
France
Prior art keywords
loudspeakers
analog devices
analog
devices
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
Roger-Francois Moisdon
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 FR931897A publication Critical patent/FR931897A/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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR931897D 1946-08-01 1946-08-01 Improvements to loudspeakers and analog devices Expired FR931897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR931897T 1946-08-01

Publications (1)

Publication Number Publication Date
FR931897A true FR931897A (en) 1948-03-05

Family

ID=9454902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931897D Expired FR931897A (en) 1946-08-01 1946-08-01 Improvements to loudspeakers and analog devices

Country Status (1)

Country Link
FR (1) FR931897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144416A (en) * 1976-03-22 1979-03-13 Babbco, Ltd. Unitary tuned port and loudspeaker frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144416A (en) * 1976-03-22 1979-03-13 Babbco, Ltd. Unitary tuned port and loudspeaker frame

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