FR741745A - - Google Patents
Info
- Publication number
- FR741745A FR741745A FR741745DA FR741745A FR 741745 A FR741745 A FR 741745A FR 741745D A FR741745D A FR 741745DA FR 741745 A FR741745 A FR 741745A
- Authority
- FR
- France
- 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
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/28—Bells for towers or the like
- G10K1/30—Details or accessories
- G10K1/34—Operating mechanisms
- G10K1/347—Operating mechanisms for an oscillating bell which is driven twice per cycle
- G10K1/348—Operating mechanisms for an oscillating bell which is driven twice per cycle electrically operated
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741745A true FR741745A (ru) | 1933-02-18 |
Family
ID=1546239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741745D Expired FR741745A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR741745A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820859A (en) * | 1954-10-06 | 1958-01-21 | Trianco Ltd | Means for controlling operations at variable intervals |
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0
- FR FR741745D patent/FR741745A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820859A (en) * | 1954-10-06 | 1958-01-21 | Trianco Ltd | Means for controlling operations at variable intervals |