FR826638A - Sound wave generator - Google Patents
Sound wave generatorInfo
- Publication number
- FR826638A FR826638A FR826638DA FR826638A FR 826638 A FR826638 A FR 826638A FR 826638D A FR826638D A FR 826638DA FR 826638 A FR826638 A FR 826638A
- Authority
- FR
- France
- Prior art keywords
- sound wave
- wave generator
- generator
- sound
- wave
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K5/00—Whistles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US826638XA | 1936-09-12 | 1936-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR826638A true FR826638A (en) | 1938-04-06 |
Family
ID=22172604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR826638D Expired FR826638A (en) | 1936-09-12 | 1937-09-13 | Sound wave generator |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR826638A (en) |
-
1937
- 1937-09-13 FR FR826638D patent/FR826638A/en not_active Expired
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