FR2213551B1 - - Google Patents

Info

Publication number
FR2213551B1
FR2213551B1 FR7400015A FR7400015A FR2213551B1 FR 2213551 B1 FR2213551 B1 FR 2213551B1 FR 7400015 A FR7400015 A FR 7400015A FR 7400015 A FR7400015 A FR 7400015A FR 2213551 B1 FR2213551 B1 FR 2213551B1
Authority
FR
France
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
FR7400015A
Other versions
FR2213551A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2213551A1 publication Critical patent/FR2213551A1/fr
Application granted granted Critical
Publication of FR2213551B1 publication Critical patent/FR2213551B1/fr
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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • 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
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • 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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
FR7400015A 1973-01-05 1974-01-02 Expired FR2213551B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1973187409U ES187409Y (es) 1973-01-05 1973-01-05 Bafle acustico para altavoces.

Publications (2)

Publication Number Publication Date
FR2213551A1 FR2213551A1 (fr) 1974-08-02
FR2213551B1 true FR2213551B1 (fr) 1977-09-09

Family

ID=8358968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400015A Expired FR2213551B1 (fr) 1973-01-05 1974-01-02

Country Status (2)

Country Link
ES (1) ES187409Y (fr)
FR (1) FR2213551B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0589515B1 (fr) * 1992-09-23 1999-01-27 Koninklijke Philips Electronics N.V. Système de haut-parleur comprenant plusieurs tubes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR739681A (fr) * 1932-06-03 1933-01-16
US2193398A (en) * 1937-12-11 1940-03-12 Allan W Fisher Acoustical apparatus
DE1048605B (fr) * 1954-05-06

Also Published As

Publication number Publication date
ES187409U (es) 1974-01-16
FR2213551A1 (fr) 1974-08-02
ES187409Y (es) 1974-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse