FR995160A - Refractive device for sound waves - Google Patents
Refractive device for sound wavesInfo
- 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
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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
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)
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 |
-
1949
- 1949-09-09 FR FR995160D patent/FR995160A/en not_active Expired
Cited By (2)
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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