FR454128A - Warning device - Google Patents
Warning deviceInfo
- Publication number
- FR454128A FR454128A FR454128DA FR454128A FR 454128 A FR454128 A FR 454128A FR 454128D A FR454128D A FR 454128DA FR 454128 A FR454128 A FR 454128A
- Authority
- FR
- France
- Prior art keywords
- warning device
- warning
- 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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/20—Sounding members
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR454128T | 1913-02-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR454128A true FR454128A (en) | 1913-06-26 |
Family
ID=1494167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR454128D Expired FR454128A (en) | 1913-02-10 | 1913-02-10 | Warning device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR454128A (en) |
-
1913
- 1913-02-10 FR FR454128D patent/FR454128A/en not_active Expired
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