FR822383A - Device for translating energy, for example electrical energy into acoustic energy - Google Patents

Device for translating energy, for example electrical energy into acoustic energy

Info

Publication number
FR822383A
FR822383A FR822383DA FR822383A FR 822383 A FR822383 A FR 822383A FR 822383D A FR822383D A FR 822383DA FR 822383 A FR822383 A FR 822383A
Authority
FR
France
Prior art keywords
energy
translating
example electrical
acoustic
electrical energy
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)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR822383A publication Critical patent/FR822383A/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
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR822383D 1936-09-02 1936-09-02 Device for translating energy, for example electrical energy into acoustic energy Expired FR822383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR822383T 1936-09-02

Publications (1)

Publication Number Publication Date
FR822383A true FR822383A (en) 1937-12-29

Family

ID=9280867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822383D Expired FR822383A (en) 1936-09-02 1936-09-02 Device for translating energy, for example electrical energy into acoustic energy

Country Status (4)

Country Link
BE (1) BE423380A (en)
FR (1) FR822383A (en)
GB (1) GB489588A (en)
NL (1) NL49661C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB793193A (en) * 1955-02-17 1958-04-09 Pye Ltd An improved acoustic enclosure for loudspeakers
US3283848A (en) * 1965-10-21 1966-11-08 Patti Thomas Allan Sound reproduction system
DE3923740C1 (en) * 1989-07-18 1990-12-06 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
JP2784830B2 (en) * 1989-09-04 1998-08-06 ソニー株式会社 Headphones
FR2753872B1 (en) * 1996-09-25 2004-08-06 Master ACOUSTIC SPEAKER, ESPECIALLY FOR LOW-SPEAKER SPEAKERS
FR2824990B1 (en) 2001-05-15 2003-09-26 Jean Pierre Morkerken SOUND TRANSMITTER AND SPEAKER
SG11201507803WA (en) 2013-03-22 2015-10-29 Campobello Ltd An acoustic device

Also Published As

Publication number Publication date
NL49661C (en)
GB489588A (en) 1938-07-29
BE423380A (en)

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FR822383A (en) Device for translating energy, for example electrical energy into acoustic energy
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