FR41701E - Buzzer - Google Patents
BuzzerInfo
- Publication number
- FR41701E FR41701E FR41701DA FR41701E FR 41701 E FR41701 E FR 41701E FR 41701D A FR41701D A FR 41701DA FR 41701 E FR41701 E FR 41701E
- 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
- G10K7/00—Sirens
- G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR41701T | 1930-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR41701E true FR41701E (en) | 1933-03-29 |
Family
ID=8677832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR41701D Expired FR41701E (en) | 1930-07-16 | 1930-07-16 | Buzzer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR41701E (en) |
-
1930
- 1930-07-16 FR FR41701D patent/FR41701E/en not_active Expired
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