FR995160A - Refractive device for sound waves - Google Patents

Refractive device for sound waves

Info

Publication number
FR995160A
FR995160A FR995160DA FR995160A FR 995160 A FR995160 A FR 995160A FR 995160D A FR995160D A FR 995160DA FR 995160 A FR995160 A FR 995160A
Authority
FR
France
Prior art keywords
sound waves
refractive device
refractive
waves
sound
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR995160A publication Critical patent/FR995160A/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
FR995160D 1948-10-01 1949-09-09 Refractive device for sound waves Expired FR995160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US995160XA 1948-10-01 1948-10-01

Publications (1)

Publication Number Publication Date
FR995160A true FR995160A (en) 1951-11-28

Family

ID=22275369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR995160D Expired FR995160A (en) 1948-10-01 1949-09-09 Refractive device for sound waves

Country Status (1)

Country Link
FR (1) FR995160A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111489732A (en) * 2020-03-16 2020-08-04 中国农业大学 Acoustic super surface, design method thereof and acoustic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111489732A (en) * 2020-03-16 2020-08-04 中国农业大学 Acoustic super surface, design method thereof and acoustic device
CN111489732B (en) * 2020-03-16 2024-01-19 中国农业大学 Acoustic super-surface and design method thereof and acoustic device

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