IT1071685B - Avvisatore acustico a membrana vibrante perfezionato - Google Patents
Avvisatore acustico a membrana vibrante perfezionatoInfo
- Publication number
- IT1071685B IT1071685B IT2728876A IT2728876A IT1071685B IT 1071685 B IT1071685 B IT 1071685B IT 2728876 A IT2728876 A IT 2728876A IT 2728876 A IT2728876 A IT 2728876A IT 1071685 B IT1071685 B IT 1071685B
- Authority
- IT
- Italy
- Prior art keywords
- warning device
- vibrating membrane
- acoustic warning
- membrane acoustic
- vibrating
- 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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/22—Mountings; Casings
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Treatment Of Fiber Materials (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7528544A FR2325134A1 (fr) | 1975-09-18 | 1975-09-18 | Perfectionnements aux avertisseurs sonores a membrane vibrante |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1071685B true IT1071685B (it) | 1985-04-10 |
Family
ID=9160107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2728876A IT1071685B (it) | 1975-09-18 | 1976-09-16 | Avvisatore acustico a membrana vibrante perfezionato |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5236992A (da) |
| AR (1) | AR215863A1 (da) |
| BR (1) | BR7606061A (da) |
| CA (1) | CA1053945A (da) |
| DE (1) | DE2641668C3 (da) |
| ES (1) | ES223249Y (da) |
| FR (1) | FR2325134A1 (da) |
| GB (1) | GB1516444A (da) |
| IT (1) | IT1071685B (da) |
| MX (1) | MX144206A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2515480Y2 (ja) * | 1987-07-14 | 1996-10-30 | 株式会社 三ツ葉電機製作所 | 車両用ホ−ン |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2486679A (en) * | 1947-01-08 | 1949-11-01 | Sperti Faraday Inc | Diaphragm type electromagnetic signal device |
| DE1766098B2 (de) * | 1967-04-07 | 1971-09-23 | Elektromagnetisches schallhorn | |
| FR2227807A6 (en) * | 1973-04-27 | 1974-11-22 | Cfea | Pneumatic or electromagnetic horn with plastics mouthpiece - esp. of ABS, is durable and economically produced |
-
1975
- 1975-09-18 FR FR7528544A patent/FR2325134A1/fr active Granted
-
1976
- 1976-08-12 AR AR26431276A patent/AR215863A1/es active
- 1976-08-24 CA CA259,700A patent/CA1053945A/en not_active Expired
- 1976-09-08 ES ES1976223249U patent/ES223249Y/es not_active Expired
- 1976-09-14 BR BR7606061A patent/BR7606061A/pt unknown
- 1976-09-16 DE DE19762641668 patent/DE2641668C3/de not_active Expired
- 1976-09-16 JP JP10999876A patent/JPS5236992A/ja active Granted
- 1976-09-16 IT IT2728876A patent/IT1071685B/it active
- 1976-09-16 GB GB3840376A patent/GB1516444A/en not_active Expired
- 1976-09-17 MX MX16632476A patent/MX144206A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2641668B2 (de) | 1978-06-22 |
| GB1516444A (en) | 1978-07-05 |
| CA1053945A (en) | 1979-05-08 |
| MX144206A (es) | 1981-09-10 |
| ES223249Y (es) | 1977-04-16 |
| FR2325134B1 (da) | 1979-03-30 |
| ES223249U (es) | 1976-12-16 |
| DE2641668A1 (de) | 1977-03-24 |
| JPS5651635B2 (da) | 1981-12-07 |
| DE2641668C3 (de) | 1979-02-22 |
| AR215863A1 (es) | 1979-11-15 |
| BR7606061A (pt) | 1977-08-16 |
| JPS5236992A (en) | 1977-03-22 |
| FR2325134A1 (fr) | 1977-04-15 |
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