CN109545178B - 一种双控制蜂鸣器驱动电路 - Google Patents
一种双控制蜂鸣器驱动电路 Download PDFInfo
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- CN109545178B CN109545178B CN201910089005.9A CN201910089005A CN109545178B CN 109545178 B CN109545178 B CN 109545178B CN 201910089005 A CN201910089005 A CN 201910089005A CN 109545178 B CN109545178 B CN 109545178B
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- triode
- resistor
- buzzer
- collector
- port
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
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CN201910089005.9A CN109545178B (zh) | 2019-01-30 | 2019-01-30 | 一种双控制蜂鸣器驱动电路 |
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CN201910089005.9A CN109545178B (zh) | 2019-01-30 | 2019-01-30 | 一种双控制蜂鸣器驱动电路 |
Publications (2)
Publication Number | Publication Date |
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CN109545178A CN109545178A (zh) | 2019-03-29 |
CN109545178B true CN109545178B (zh) | 2023-04-14 |
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CN201910089005.9A Active CN109545178B (zh) | 2019-01-30 | 2019-01-30 | 一种双控制蜂鸣器驱动电路 |
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CN (1) | CN109545178B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110687846B (zh) * | 2019-10-24 | 2021-02-02 | 厦门骏陆科技有限公司 | 蜂鸣器驱动和电池电压adc检测共用一个io口的电路 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07219553A (ja) * | 1994-02-04 | 1995-08-18 | Tamura Electric Works Ltd | 圧電ブザー駆動回路 |
JPH086567A (ja) * | 1994-06-16 | 1996-01-12 | Paloma Ind Ltd | 報知ブザー駆動装置 |
CN201417602Y (zh) * | 2009-06-19 | 2010-03-03 | 苏州路之遥科技有限公司 | 蜂鸣器驱动电路 |
CN201725561U (zh) * | 2010-05-27 | 2011-01-26 | 无锡和晶科技股份有限公司 | 一种咖啡机用音乐蜂鸣器电路 |
CN102496360A (zh) * | 2011-12-15 | 2012-06-13 | 苏州合欣美电子科技有限公司 | 一种乐音驱动电路 |
CN202502733U (zh) * | 2012-01-09 | 2012-10-24 | 惠州市德赛西威汽车电子有限公司 | 蜂鸣器驱动电路 |
CN103281652A (zh) * | 2013-04-22 | 2013-09-04 | 无锡艾柯威科技有限公司 | 一种蜂鸣器驱动电路 |
CN205282081U (zh) * | 2015-12-18 | 2016-06-01 | 绍兴联英汽车电子有限公司 | 一种双频无源蜂鸣器驱动电路 |
CN206163119U (zh) * | 2016-10-20 | 2017-05-10 | 广州视源电子科技股份有限公司 | 一种蜂鸣器控制电路、蜂鸣装置及抽油烟机 |
CN108806658B (zh) * | 2017-05-03 | 2024-04-16 | 深圳市帝迈生物技术有限公司 | 一种血液分析仪及其蜂鸣器音量调节驱动电路 |
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Address after: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 04-6 Block (100 Dicui Road), 9 buildings and 2 floors Applicant after: ZHONGKEXIN INTEGRATED CIRCUIT Co.,Ltd. Address before: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 04-6 Block (100 Dicui Road), 9 buildings and 2 floors Applicant before: CHINA KEY SYSTEM & INTEGRATED CIRCUIT Co.,Ltd. |
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CB02 | Change of applicant information | ||
CB03 | Change of inventor or designer information |
Inventor after: Xu Peng Inventor after: Cai Ying Inventor after: Chen Zhengang Inventor before: Chen Zhengang Inventor before: Xu Peng Inventor before: Cai Ying |
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CB03 | Change of inventor or designer information | ||
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