TWI415109B - - Google Patents

Info

Publication number
TWI415109B
TWI415109B TW99108672A TW99108672A TWI415109B TW I415109 B TWI415109 B TW I415109B TW 99108672 A TW99108672 A TW 99108672A TW 99108672 A TW99108672 A TW 99108672A TW I415109 B TWI415109 B TW I415109B
Authority
TW
Taiwan
Prior art keywords
buzzer
circuit
booster
alarm
driving
Prior art date
Application number
TW99108672A
Other languages
English (en)
Chinese (zh)
Other versions
TW201133469A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to TW99108672A priority Critical patent/TW201133469A/zh
Publication of TW201133469A publication Critical patent/TW201133469A/zh
Application granted granted Critical
Publication of TWI415109B publication Critical patent/TWI415109B/zh

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
TW99108672A 2010-03-24 2010-03-24 Buzzer alarm driving circuit without booster transformer TW201133469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW99108672A TW201133469A (en) 2010-03-24 2010-03-24 Buzzer alarm driving circuit without booster transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW99108672A TW201133469A (en) 2010-03-24 2010-03-24 Buzzer alarm driving circuit without booster transformer

Publications (2)

Publication Number Publication Date
TW201133469A TW201133469A (en) 2011-10-01
TWI415109B true TWI415109B (it) 2013-11-11

Family

ID=46751247

Family Applications (1)

Application Number Title Priority Date Filing Date
TW99108672A TW201133469A (en) 2010-03-24 2010-03-24 Buzzer alarm driving circuit without booster transformer

Country Status (1)

Country Link
TW (1) TW201133469A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107599960B (zh) * 2017-07-31 2020-04-14 深圳市朗仁科技有限公司 蜂鸣器驱动电路
CN112557777B (zh) * 2019-09-09 2024-07-09 戴尔产品有限公司 电力转换器设备健康检查系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200521823A (en) * 2003-12-31 2005-07-01 xiu-hui Zhang Piezoelectric voice output device and method
CN1218550C (zh) * 2001-07-11 2005-09-07 株式会社村田制作所 压电型电声换能器及其制造方法
TW200836575A (en) * 2007-02-27 2008-09-01 China Steel Corp Method for establishing optimized design model of piezoelectric beeper
TW200842822A (en) * 2007-04-20 2008-11-01 Hon Hai Prec Ind Co Ltd Buzzer driving circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1218550C (zh) * 2001-07-11 2005-09-07 株式会社村田制作所 压电型电声换能器及其制造方法
TW200521823A (en) * 2003-12-31 2005-07-01 xiu-hui Zhang Piezoelectric voice output device and method
TW200836575A (en) * 2007-02-27 2008-09-01 China Steel Corp Method for establishing optimized design model of piezoelectric beeper
TW200842822A (en) * 2007-04-20 2008-11-01 Hon Hai Prec Ind Co Ltd Buzzer driving circuit

Also Published As

Publication number Publication date
TW201133469A (en) 2011-10-01

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