FR798986A - Adjustable acoustics device for broadcasters and in particular for radio broadcasters - Google Patents

Adjustable acoustics device for broadcasters and in particular for radio broadcasters

Info

Publication number
FR798986A
FR798986A FR798986DA FR798986A FR 798986 A FR798986 A FR 798986A FR 798986D A FR798986D A FR 798986DA FR 798986 A FR798986 A FR 798986A
Authority
FR
France
Prior art keywords
broadcasters
radio
acoustics device
adjustable
adjustable acoustics
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.)
CONST RADIOPHONIQUES SOC D
Original Assignee
CONST RADIOPHONIQUES SOC D
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 CONST RADIOPHONIQUES SOC D filed Critical CONST RADIOPHONIQUES SOC D
Application granted granted Critical
Publication of FR798986A publication Critical patent/FR798986A/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
FR798986D 1935-12-10 1935-12-10 Adjustable acoustics device for broadcasters and in particular for radio broadcasters Expired FR798986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798986T 1935-12-10

Publications (1)

Publication Number Publication Date
FR798986A true FR798986A (en) 1936-05-29

Family

ID=9236511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798986D Expired FR798986A (en) 1935-12-10 1935-12-10 Adjustable acoustics device for broadcasters and in particular for radio broadcasters

Country Status (1)

Country Link
FR (1) FR798986A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819771A (en) * 1948-10-01 1958-01-14 Bell Telephone Labor Inc Artificial delay structure for compressional waves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819771A (en) * 1948-10-01 1958-01-14 Bell Telephone Labor Inc Artificial delay structure for compressional waves

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