IL65849A - Electronic siren - Google Patents
Electronic sirenInfo
- Publication number
- IL65849A IL65849A IL65849A IL6584982A IL65849A IL 65849 A IL65849 A IL 65849A IL 65849 A IL65849 A IL 65849A IL 6584982 A IL6584982 A IL 6584982A IL 65849 A IL65849 A IL 65849A
- Authority
- IL
- Israel
- Prior art keywords
- sine oscillation
- electrical signal
- siren
- frequency
- lies
- Prior art date
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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems, e.g. audible personal calling systems
- G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813135169 DE3135169A1 (de) | 1981-09-04 | 1981-09-04 | Elektronische sirene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL65849A0 IL65849A0 (en) | 1982-08-31 |
| IL65849A true IL65849A (en) | 1985-11-29 |
Family
ID=6140925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL65849A IL65849A (en) | 1981-09-04 | 1982-05-21 | Electronic siren |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0073878B1 (de) |
| AT (1) | ATE10402T1 (de) |
| DE (2) | DE3135169A1 (de) |
| IL (1) | IL65849A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3531467A1 (de) * | 1985-09-03 | 1987-03-12 | Hoermann Gmbh | Elektronische sirene |
| CN115346340B (zh) * | 2022-07-21 | 2023-11-17 | 浙江极氪智能科技有限公司 | 改善驾驶疲劳的装置及方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR581099A (fr) * | 1923-07-04 | 1924-11-21 | Avertisseur acoustique | |
| DE532492C (de) * | 1930-05-06 | 1931-08-28 | Julius Pintsch Akt Ges | Elektrische Membranschallsenderanlage |
| DE1566952B1 (de) * | 1967-10-19 | 1970-04-30 | Wandel & Goltermann | Alarmsignalgenerator fuer eine mobile Lautsprecheranlage,sogenanntes elektronisches Polizeihorn |
| FR2333314A1 (fr) * | 1975-11-27 | 1977-06-24 | Klaxon Sa | Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
| US4171734A (en) * | 1977-11-10 | 1979-10-23 | Beta Sound, Incorporated | Exponential horn speaker |
-
1981
- 1981-09-04 DE DE19813135169 patent/DE3135169A1/de not_active Withdrawn
-
1982
- 1982-05-07 AT AT82103994T patent/ATE10402T1/de not_active IP Right Cessation
- 1982-05-07 DE DE8282103994T patent/DE3261274D1/de not_active Expired
- 1982-05-07 EP EP82103994A patent/EP0073878B1/de not_active Expired
- 1982-05-21 IL IL65849A patent/IL65849A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3261274D1 (en) | 1985-01-03 |
| EP0073878B1 (de) | 1984-11-21 |
| IL65849A0 (en) | 1982-08-31 |
| EP0073878A1 (de) | 1983-03-16 |
| ATE10402T1 (de) | 1984-12-15 |
| DE3135169A1 (de) | 1983-03-17 |
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