FR881183A - Buzzer - Google Patents
BuzzerInfo
- Publication number
- FR881183A FR881183A FR881183DA FR881183A FR 881183 A FR881183 A FR 881183A FR 881183D A FR881183D A FR 881183DA FR 881183 A FR881183 A FR 881183A
- Authority
- FR
- France
- Prior art keywords
- buzzer
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
- G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE881183X | 1939-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR881183A true FR881183A (en) | 1943-04-16 |
Family
ID=20374392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR881183D Expired FR881183A (en) | 1939-03-18 | 1942-04-13 | Buzzer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR881183A (en) |
-
1942
- 1942-04-13 FR FR881183D patent/FR881183A/en not_active Expired
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