CN103116954B - 低能耗压电安防报警器 - Google Patents
低能耗压电安防报警器 Download PDFInfo
- Publication number
- CN103116954B CN103116954B CN201310027120.6A CN201310027120A CN103116954B CN 103116954 B CN103116954 B CN 103116954B CN 201310027120 A CN201310027120 A CN 201310027120A CN 103116954 B CN103116954 B CN 103116954B
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- sound
- amplifies
- bowl
- sound hole
- reflection
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- 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 - Fee Related
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- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310027120.6A CN103116954B (zh) | 2013-01-24 | 2013-01-24 | 低能耗压电安防报警器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310027120.6A CN103116954B (zh) | 2013-01-24 | 2013-01-24 | 低能耗压电安防报警器 |
Publications (2)
Publication Number | Publication Date |
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CN103116954A CN103116954A (zh) | 2013-05-22 |
CN103116954B true CN103116954B (zh) | 2015-04-01 |
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ID=48415316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310027120.6A Expired - Fee Related CN103116954B (zh) | 2013-01-24 | 2013-01-24 | 低能耗压电安防报警器 |
Country Status (1)
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CN (1) | CN103116954B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218628A (zh) * | 2017-07-21 | 2017-09-29 | 安徽辰控智能科技有限公司 | 一种具有燃气泄漏报警保护功能的燃气灶 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1402290A (en) * | 1971-12-29 | 1975-08-06 | Sumitomo Electric Industries | Piezo-electric acoustic device |
CN88203821U (zh) * | 1988-02-25 | 1988-11-16 | 周勤 | 高可靠多用途节能喇叭 |
JP2000224697A (ja) * | 1999-02-04 | 2000-08-11 | Matsushita Electric Ind Co Ltd | 圧電発音体 |
CN2812464Y (zh) * | 2005-04-19 | 2006-08-30 | 北京马斯康电子有限公司 | 折叠式号筒型压电扬声器 |
CN101964186B (zh) * | 2010-09-27 | 2013-06-12 | 宁波东方电子有限公司 | 压电式声响器 |
CN202332265U (zh) * | 2011-11-23 | 2012-07-11 | 刘学南 | 汽车报警喇叭 |
-
2013
- 2013-01-24 CN CN201310027120.6A patent/CN103116954B/zh not_active Expired - Fee Related
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CN103116954A (zh) | 2013-05-22 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BESTAR (CHANGZHOU) ELECTRONICS CO., LTD. Free format text: FORMER NAME: HADELI (CHANGZHOU) ELECTRONIC CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 213022 Changzhou West District, Jiangsu, the Yellow River West Road, No. 199 Patentee after: HANDELI (CHANGZHOU) ELECTRONICS CO., LTD. Address before: 213022 Changzhou West District, Jiangsu, the Yellow River West Road, No. 199 Patentee before: BeStar Electronics Industry Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170516 Address after: Wujin District of Jiangsu city in Changzhou province 213161 Chang Wu Road No. 801, Changzhou science and Technology City Tianrun building C block 602 Patentee after: CHANGZHOU BESTAR INTELLIGENT TECHNOLOGY CO., LTD. Address before: 213022 Changzhou West District, Jiangsu, the Yellow River West Road, No. 199 Patentee before: HANDELI (CHANGZHOU) ELECTRONICS CO., LTD. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20190124 |
|
CF01 | Termination of patent right due to non-payment of annual fee |