CN207718798U - 压电式蜂鸣器 - Google Patents
压电式蜂鸣器 Download PDFInfo
- Publication number
- CN207718798U CN207718798U CN201820162932.XU CN201820162932U CN207718798U CN 207718798 U CN207718798 U CN 207718798U CN 201820162932 U CN201820162932 U CN 201820162932U CN 207718798 U CN207718798 U CN 207718798U
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- CN
- China
- Prior art keywords
- primary diaphragm
- piece
- piezo buzzer
- piezoelectricity singing
- singing piece
- 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.)
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- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000003292 glue Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820162932.XU CN207718798U (zh) | 2018-01-31 | 2018-01-31 | 压电式蜂鸣器 |
Applications Claiming Priority (1)
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CN201820162932.XU CN207718798U (zh) | 2018-01-31 | 2018-01-31 | 压电式蜂鸣器 |
Publications (1)
Publication Number | Publication Date |
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CN207718798U true CN207718798U (zh) | 2018-08-10 |
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CN201820162932.XU Active CN207718798U (zh) | 2018-01-31 | 2018-01-31 | 压电式蜂鸣器 |
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CN (1) | CN207718798U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020125444A1 (en) * | 2018-12-17 | 2020-06-25 | Gulf Security Technology Company Limited | Buzzer, buzzer device and security equipment |
-
2018
- 2018-01-31 CN CN201820162932.XU patent/CN207718798U/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020125444A1 (en) * | 2018-12-17 | 2020-06-25 | Gulf Security Technology Company Limited | Buzzer, buzzer device and security equipment |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Kaifeng Electronics Co.,Ltd. Assignor: NINGBO KEPO ELECTRONICS Co.,Ltd. Contract record no.: X2023980053378 Denomination of utility model: Piezoelectric buzzer Granted publication date: 20180810 License type: Common License Record date: 20231220 Assignee: Ningbo magweite Electric Appliance Co.,Ltd. Assignor: NINGBO KEPO ELECTRONICS Co.,Ltd. Contract record no.: X2023980053371 Denomination of utility model: Piezoelectric buzzer Granted publication date: 20180810 License type: Common License Record date: 20231220 |