FR804389A - Sound reproduction device - Google Patents

Sound reproduction device

Info

Publication number
FR804389A
FR804389A FR804389DA FR804389A FR 804389 A FR804389 A FR 804389A FR 804389D A FR804389D A FR 804389DA FR 804389 A FR804389 A FR 804389A
Authority
FR
France
Prior art keywords
reproduction device
sound reproduction
sound
reproduction
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR804389A publication Critical patent/FR804389A/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
    • H04R1/36—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 by using a single aperture of dimensions not greater than the shortest operating wavelength
    • 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
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
FR804389D 1935-04-04 1936-04-02 Sound reproduction device Expired FR804389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14600A US2034014A (en) 1935-04-04 1935-04-04 High-fidelity sound reproducing apparatus and method of improving the fidelity thereof

Publications (1)

Publication Number Publication Date
FR804389A true FR804389A (en) 1936-10-22

Family

ID=21766445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804389D Expired FR804389A (en) 1935-04-04 1936-04-02 Sound reproduction device

Country Status (4)

Country Link
US (1) US2034014A (en)
DE (1) DE691238C (en)
FR (1) FR804389A (en)
NL (1) NL51541C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623606A (en) * 1948-06-30 1952-12-30 Corke Alfred James Sound reproduction apparatus
GB765183A (en) * 1954-01-05 1957-01-02 Donald Maynard Chave Improvements in or relating to loudspeakers
US2858899A (en) * 1956-07-03 1958-11-04 Lopez-Henriquez Miguel High fidelity speaker enclosure system
JPS5644148Y2 (en) * 1976-01-19 1981-10-15
US4313521A (en) * 1980-06-16 1982-02-02 Rodden M Raymond Speaker housing
DE4307655C2 (en) * 1993-03-11 1996-11-07 Automation Dr Meggl Gmbh Speaker arrangement
USD769215S1 (en) * 2014-07-15 2016-10-18 Funktion One Research Loudspeaker
USD780158S1 (en) * 2014-07-15 2017-02-28 Funktion One Research Loudspeaker
USD780159S1 (en) * 2014-07-15 2017-02-28 Funktion One Research Loudspeaker

Also Published As

Publication number Publication date
NL51541C (en)
DE691238C (en) 1940-05-20
US2034014A (en) 1936-03-17

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