FR828982A - Dispositifs reproducteurs de son - Google Patents

Dispositifs reproducteurs de son

Info

Publication number
FR828982A
FR828982A FR828982DA FR828982A FR 828982 A FR828982 A FR 828982A FR 828982D A FR828982D A FR 828982DA FR 828982 A FR828982 A FR 828982A
Authority
FR
France
Prior art keywords
sound reproducing
reproducing devices
devices
sound
reproducing
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.)
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 FR828982A publication Critical patent/FR828982A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR828982D 1936-11-13 1937-11-10 Dispositifs reproducteurs de son Expired FR828982A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US495594XA 1936-11-13 1936-11-13

Publications (1)

Publication Number Publication Date
FR828982A true FR828982A (fr) 1938-06-07

Family

ID=21960468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828982D Expired FR828982A (fr) 1936-11-13 1937-11-10 Dispositifs reproducteurs de son

Country Status (2)

Country Link
FR (1) FR828982A (fr)
GB (1) GB495594A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968804C (de) * 1952-07-18 1958-04-03 Siemens Ag Elektroakustische UEbertragungsanlage mit Mikrofon und Lautsprecher im gleichen Raum
FR2495423A1 (fr) * 1980-11-28 1982-06-04 Topalian Daniel Enceinte acoustique a pavillon double avant non replie, et caisson ferme arriere

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091891A (en) * 1973-01-17 1978-05-30 Onkyo Kabushiki Kaisha Horn speaker
US3972385A (en) * 1973-01-17 1976-08-03 Onkyo Kabushiki Kaisha Horn speaker
US4040503A (en) * 1973-01-17 1977-08-09 Onkyo Kabushiki Kaisha Horn speaker
US4685532A (en) * 1986-02-21 1987-08-11 Electro-Voice, Inc. Constant directivity loudspeaker horn
GB2316846B (en) * 1996-08-30 2000-07-26 Harman Int Ind Loudspeaker
US7177437B1 (en) 2001-10-19 2007-02-13 Duckworth Holding, Llc C/O Osc Audio Products, Inc. Multiple aperture diffraction device
US8718310B2 (en) 2001-10-19 2014-05-06 Qsc Holdings, Inc. Multiple aperture speaker assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968804C (de) * 1952-07-18 1958-04-03 Siemens Ag Elektroakustische UEbertragungsanlage mit Mikrofon und Lautsprecher im gleichen Raum
FR2495423A1 (fr) * 1980-11-28 1982-06-04 Topalian Daniel Enceinte acoustique a pavillon double avant non replie, et caisson ferme arriere

Also Published As

Publication number Publication date
GB495594A (en) 1938-11-16

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