FR2187171A5 - - Google Patents
Info
- Publication number
- FR2187171A5 FR2187171A5 FR7219313A FR7219313A FR2187171A5 FR 2187171 A5 FR2187171 A5 FR 2187171A5 FR 7219313 A FR7219313 A FR 7219313A FR 7219313 A FR7219313 A FR 7219313A FR 2187171 A5 FR2187171 A5 FR 2187171A5
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
- G10K9/15—Self-interrupting arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7219313A FR2187171A5 (fr) | 1972-05-30 | 1972-05-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7219313A FR2187171A5 (fr) | 1972-05-30 | 1972-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2187171A5 true FR2187171A5 (fr) | 1974-01-11 |
Family
ID=9099319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7219313A Expired FR2187171A5 (fr) | 1972-05-30 | 1972-05-30 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2187171A5 (fr) |
-
1972
- 1972-05-30 FR FR7219313A patent/FR2187171A5/fr not_active Expired
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |