IT986146B - Tromba per avvisatore acustico di veicoli a motore - Google Patents
Tromba per avvisatore acustico di veicoli a motoreInfo
- Publication number
- IT986146B IT986146B IT50567/73A IT5056773A IT986146B IT 986146 B IT986146 B IT 986146B IT 50567/73 A IT50567/73 A IT 50567/73A IT 5056773 A IT5056773 A IT 5056773A IT 986146 B IT986146 B IT 986146B
- Authority
- IT
- Italy
- Prior art keywords
- horn
- motor vehicles
- vehicles
- motor
- 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2723072A GB1432363A (en) | 1972-06-10 | 1972-06-10 | Horns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT986146B true IT986146B (it) | 1975-01-20 |
Family
ID=10256237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT50567/73A IT986146B (it) | 1972-06-10 | 1973-06-08 | Tromba per avvisatore acustico di veicoli a motore |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4951895A (it) |
| AU (1) | AU5669473A (it) |
| BR (1) | BR7304315D0 (it) |
| DE (1) | DE2329849A1 (it) |
| ES (1) | ES192261Y (it) |
| FR (1) | FR2188901A5 (it) |
| GB (1) | GB1432363A (it) |
| IT (1) | IT986146B (it) |
| ZA (1) | ZA733882B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437496A (en) * | 1977-08-27 | 1979-03-19 | Lucas Industries Ltd | Whistle flare |
| US4359961A (en) * | 1979-10-22 | 1982-11-23 | Seron Manufacturing Company | Plastic whistle |
| US4664055A (en) * | 1984-02-21 | 1987-05-12 | Kobishi Electric Co., Ltd. | Alarm horn |
| WO2015132855A1 (ja) * | 2014-03-03 | 2015-09-11 | Toa 株式会社 | ホーンスピーカー及びホーンアレイスピーカー |
-
1972
- 1972-06-10 GB GB2723072A patent/GB1432363A/en not_active Expired
-
1973
- 1973-06-07 AU AU56694/73A patent/AU5669473A/en not_active Expired
- 1973-06-08 ZA ZA733882A patent/ZA733882B/xx unknown
- 1973-06-08 IT IT50567/73A patent/IT986146B/it active
- 1973-06-08 BR BR4315/73A patent/BR7304315D0/pt unknown
- 1973-06-08 ES ES1973192261U patent/ES192261Y/es not_active Expired
- 1973-06-11 JP JP48065728A patent/JPS4951895A/ja active Pending
- 1973-06-12 DE DE2329849A patent/DE2329849A1/de active Pending
- 1973-06-12 FR FR7321309A patent/FR2188901A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4951895A (it) | 1974-05-20 |
| ES192261Y (es) | 1974-12-16 |
| AU5669473A (en) | 1974-12-12 |
| FR2188901A5 (it) | 1974-01-18 |
| ES192261U (es) | 1974-08-16 |
| BR7304315D0 (pt) | 1974-07-25 |
| ZA733882B (en) | 1974-05-29 |
| GB1432363A (en) | 1976-04-14 |
| DE2329849A1 (de) | 1973-12-20 |
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