FR709411A - Device for reproducing sounds with a diffuser acting in two directions - Google Patents

Device for reproducing sounds with a diffuser acting in two directions

Info

Publication number
FR709411A
FR709411A FR709411DA FR709411A FR 709411 A FR709411 A FR 709411A FR 709411D A FR709411D A FR 709411DA FR 709411 A FR709411 A FR 709411A
Authority
FR
France
Prior art keywords
directions
reproducing sounds
diffuser acting
diffuser
acting
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
Hans Vogt
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 FR709411A publication Critical patent/FR709411A/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
    • H04R1/2861—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn
    • H04R1/2865—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn for loudspeaker transducers
FR709411D 1930-01-15 1931-01-15 Device for reproducing sounds with a diffuser acting in two directions Expired FR709411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE709411X 1930-01-15

Publications (1)

Publication Number Publication Date
FR709411A true FR709411A (en) 1931-08-06

Family

ID=6617859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709411D Expired FR709411A (en) 1930-01-15 1931-01-15 Device for reproducing sounds with a diffuser acting in two directions

Country Status (1)

Country Link
FR (1) FR709411A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642948A (en) * 1948-05-28 1953-06-23 Rca Corp Portable radio with a bass-reflex cabinet
US2777902A (en) * 1952-08-19 1957-01-15 Columbia Broadcasting Syst Inc Phonograph cabinet
DE1024593B (en) * 1955-01-15 1958-02-20 Werner Pinternagel Transportable amplifier device with built-in loudspeaker and sound channel
US9351059B1 (en) * 2013-09-05 2016-05-24 James R. Suhre Orthogonal open back speaker system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642948A (en) * 1948-05-28 1953-06-23 Rca Corp Portable radio with a bass-reflex cabinet
US2777902A (en) * 1952-08-19 1957-01-15 Columbia Broadcasting Syst Inc Phonograph cabinet
DE1024593B (en) * 1955-01-15 1958-02-20 Werner Pinternagel Transportable amplifier device with built-in loudspeaker and sound channel
US9351059B1 (en) * 2013-09-05 2016-05-24 James R. Suhre Orthogonal open back speaker system

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