AU468619B2 - Audible alarm unit - Google Patents
Audible alarm unitInfo
- Publication number
- AU468619B2 AU468619B2 AU52532/73A AU5253273A AU468619B2 AU 468619 B2 AU468619 B2 AU 468619B2 AU 52532/73 A AU52532/73 A AU 52532/73A AU 5253273 A AU5253273 A AU 5253273A AU 468619 B2 AU468619 B2 AU 468619B2
- Authority
- AU
- Australia
- Prior art keywords
- alarm unit
- audible alarm
- audible
- unit
- alarm
- Prior art date
- 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
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23630772A | 1972-03-20 | 1972-03-20 | |
| USUS236307 | 1972-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU5253273A AU5253273A (en) | 1974-08-29 |
| AU468619B2 true AU468619B2 (en) | 1976-01-15 |
Family
ID=22888976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU52532/73A Expired AU468619B2 (en) | 1972-03-20 | 1973-02-23 | Audible alarm unit |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4914097A (en) |
| AU (1) | AU468619B2 (en) |
| DE (1) | DE2310674A1 (en) |
| FR (1) | FR2177363A5 (en) |
| GB (1) | GB1368046A (en) |
| IT (1) | IT979879B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1087004A (en) * | 1976-08-11 | 1980-10-07 | Michael J. Hampshire | Sound generator |
| JPS5814129U (en) * | 1981-07-20 | 1983-01-28 | ティーディーケイ株式会社 | object detection device |
| JPS5890698A (en) * | 1981-11-25 | 1983-05-30 | 松下電器産業株式会社 | Pronunciation apparatus |
| BE1026880B1 (en) * | 2018-12-18 | 2020-07-22 | Sonitron Nv | PROCEDURE FOR PRODUCING A PIEZO-ELECTRIC BUZZER AND A PIEZO-ELECTRIC BUZZER |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS553479Y2 (en) * | 1974-10-09 | 1980-01-28 |
-
1973
- 1973-02-23 AU AU52532/73A patent/AU468619B2/en not_active Expired
- 1973-02-27 GB GB969073A patent/GB1368046A/en not_active Expired
- 1973-03-03 DE DE19732310674 patent/DE2310674A1/en active Pending
- 1973-03-12 JP JP2808473A patent/JPS4914097A/ja active Pending
- 1973-03-16 IT IT4885373A patent/IT979879B/en active
- 1973-03-20 FR FR7309996A patent/FR2177363A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU5253273A (en) | 1974-08-29 |
| IT979879B (en) | 1974-09-30 |
| JPS4914097A (en) | 1974-02-07 |
| DE2310674A1 (en) | 1973-10-04 |
| GB1368046A (en) | 1974-09-25 |
| FR2177363A5 (en) | 1973-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU476232B2 (en) | Alarm apparatus | |
| CA982841A (en) | Monitoring device | |
| AU468636B2 (en) | Alarm device | |
| CA1010969A (en) | Fire alarms | |
| AU476743B2 (en) | Security alarm device | |
| AU476368B2 (en) | Fire alarms | |
| AU468619B2 (en) | Audible alarm unit | |
| CA1016542A (en) | Benzodiazocine derivatives | |
| CA904417A (en) | Alarm device | |
| CA914287A (en) | Alarm device | |
| CA890057A (en) | Integratable audible alarm system | |
| CA896752A (en) | Alarm system | |
| CA984481A (en) | Optical pulse burglar alarm | |
| CA907364A (en) | Electronic audible alarm devices | |
| CA890533A (en) | Intermittent alarm mechanism | |
| AU476955B2 (en) | Alarm systems | |
| AU4747372A (en) | Seatbelt alarm | |
| CA897287A (en) | Apnoea alarms | |
| AU4882972A (en) | Improvements in alarm devices | |
| CA903876A (en) | Automatic intruder alarm | |
| CA917199A (en) | Burglar alarm switch | |
| CA898387A (en) | Gas alarm device | |
| CA908809A (en) | Warning device | |
| CA907225A (en) | Fire-alarm device | |
| CA911007A (en) | Sound discriminator alarm system |