NL6802838A - - Google Patents
Info
- Publication number
- NL6802838A NL6802838A NL6802838A NL6802838A NL6802838A NL 6802838 A NL6802838 A NL 6802838A NL 6802838 A NL6802838 A NL 6802838A NL 6802838 A NL6802838 A NL 6802838A NL 6802838 A NL6802838 A NL 6802838A
- Authority
- NL
- Netherlands
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR101394A FR1526109A (fr) | 1967-04-04 | 1967-04-04 | Avertisseur sonore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6802838A true NL6802838A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-10-07 |
Family
ID=8628113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6802838A NL6802838A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-04-04 | 1968-02-29 |
Country Status (6)
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE492932C (de) * | 1930-02-27 | Westfaelische Metall Ind A G | Akustisches Signalinstrument | |
| DE410846C (de) * | 1922-10-18 | 1925-03-06 | Jakob Kertel | Elektrische Hupe mit einer einen Luftraum einschliessenden, von einem Elektromagneten beeinflussten Doppelmembran |
| DE541535C (de) * | 1929-05-11 | 1932-01-13 | Weber Kranz & Co G M B H | Verfahren zur Herstellung einer hydraulisch erhaertenden UEberzugsmasse aus Zement und bitumenhaltigem Schiefer |
| FR1226231A (fr) * | 1958-07-16 | 1960-07-08 | Magneti Marelli Spa | Avertisseur électro-acoustique, en particulier pour véhicules automobiles |
-
1967
- 1967-04-04 FR FR101394A patent/FR1526109A/fr not_active Expired
-
1968
- 1968-02-09 BE BE710559D patent/BE710559A/xx unknown
- 1968-02-29 NL NL6802838A patent/NL6802838A/xx unknown
- 1968-03-07 GB GB1105768A patent/GB1182210A/en not_active Expired
- 1968-03-16 ES ES352073A patent/ES352073A1/es not_active Expired
- 1968-03-28 DE DE19681766054 patent/DE1766054B1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE710559A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-06-17 |
| DE1766054B1 (de) | 1971-07-01 |
| FR1526109A (fr) | 1968-05-24 |
| ES352073A1 (es) | 1969-06-16 |
| GB1182210A (en) | 1970-02-25 |