FR1472933A - Loudspeaker device - Google Patents

Loudspeaker device

Info

Publication number
FR1472933A
FR1472933A FR14125A FR14125A FR1472933A FR 1472933 A FR1472933 A FR 1472933A FR 14125 A FR14125 A FR 14125A FR 14125 A FR14125 A FR 14125A FR 1472933 A FR1472933 A FR 1472933A
Authority
FR
France
Prior art keywords
loudspeaker device
loudspeaker
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
FR14125A
Other languages
French (fr)
Inventor
Pierre Rene Jean Mouche
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
Priority to FR14125A priority Critical patent/FR1472933A/en
Application granted granted Critical
Publication of FR1472933A publication Critical patent/FR1472933A/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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
FR14125A 1965-04-22 1965-04-22 Loudspeaker device Expired FR1472933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR14125A FR1472933A (en) 1965-04-22 1965-04-22 Loudspeaker device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR14125A FR1472933A (en) 1965-04-22 1965-04-22 Loudspeaker device

Publications (1)

Publication Number Publication Date
FR1472933A true FR1472933A (en) 1967-03-17

Family

ID=8576956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR14125A Expired FR1472933A (en) 1965-04-22 1965-04-22 Loudspeaker device

Country Status (1)

Country Link
FR (1) FR1472933A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668015A1 (en) * 1990-10-16 1992-04-17 Piccfaluga Pierre METHOD FOR IMPROVING THE QUALITY OF THE RESTORATION OF A SOUND ATMOSPHERE, AND IMPLEMENTATION APPARATUS COMPRISING AT LEAST ONE SPEAKER EMITTING IN THREE DIRECTIONS.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668015A1 (en) * 1990-10-16 1992-04-17 Piccfaluga Pierre METHOD FOR IMPROVING THE QUALITY OF THE RESTORATION OF A SOUND ATMOSPHERE, AND IMPLEMENTATION APPARATUS COMPRISING AT LEAST ONE SPEAKER EMITTING IN THREE DIRECTIONS.
WO1992007448A1 (en) * 1990-10-16 1992-04-30 Pierre Piccaluga Method of improving the quality of sound reproduction and apparatus for carrying out said process comprising at least one loudspeaker emitting in three directions
US5446793A (en) * 1990-10-16 1995-08-29 Piccaluga; Pierre Method of improving the quality of sound reproduction and apparatus for carrying at least one loudspeaker emitting in three directions

Similar Documents

Publication Publication Date Title
CH419913A (en) Synchrodetection device
BE757278R (en) DEVICE
FR1504375A (en) Combine-harvester ventilation device
FR1495727A (en) Filtering device
FR1450845A (en) Transmission device
FR1422961A (en) Pommelle device
FR1442503A (en) Handling device
FR1438539A (en) Distribution device
CH454771A (en) Light-producing device
FR1463652A (en) Pick-up device
FR1450321A (en) Clamping device
FR1459145A (en) Braking device
FR1472933A (en) Loudspeaker device
FR1448475A (en) Connection device
FR1466761A (en) Clamping device
FR1474000A (en) Variator-clutch device
FR1505743A (en) Ophthalmic device
FR1432820A (en) Elastic device
FR1433415A (en) Braking device
FR1433577A (en) Sound device
FR1461055A (en) Ventilation device
FR1452824A (en) Clamping device
FR1430269A (en) Sophisticated presentation device
FR1477282A (en) Molding device
FR1466867A (en) Elastic support device