JPS6248838B2 - - Google Patents

Info

Publication number
JPS6248838B2
JPS6248838B2 JP55151724A JP15172480A JPS6248838B2 JP S6248838 B2 JPS6248838 B2 JP S6248838B2 JP 55151724 A JP55151724 A JP 55151724A JP 15172480 A JP15172480 A JP 15172480A JP S6248838 B2 JPS6248838 B2 JP S6248838B2
Authority
JP
Japan
Prior art keywords
circuit
piezoelectric
piezoelectric speaker
piezoelectric element
voltage
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
Application number
JP55151724A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774794A (en
Inventor
Masuo Kitano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
SHIMAUCHI SEIKI KK
Original Assignee
Seiko Epson Corp
SHIMAUCHI SEIKI KK
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 by Seiko Epson Corp, SHIMAUCHI SEIKI KK filed Critical Seiko Epson Corp
Priority to JP55151724A priority Critical patent/JPS5774794A/ja
Publication of JPS5774794A publication Critical patent/JPS5774794A/ja
Publication of JPS6248838B2 publication Critical patent/JPS6248838B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Circuit For Audible Band Transducer (AREA)
  • Electromechanical Clocks (AREA)
JP55151724A 1980-10-29 1980-10-29 Piezoelectric speaker driving circuit for electronic timepiece Granted JPS5774794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151724A JPS5774794A (en) 1980-10-29 1980-10-29 Piezoelectric speaker driving circuit for electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151724A JPS5774794A (en) 1980-10-29 1980-10-29 Piezoelectric speaker driving circuit for electronic timepiece

Publications (2)

Publication Number Publication Date
JPS5774794A JPS5774794A (en) 1982-05-11
JPS6248838B2 true JPS6248838B2 (fr) 1987-10-15

Family

ID=15524892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151724A Granted JPS5774794A (en) 1980-10-29 1980-10-29 Piezoelectric speaker driving circuit for electronic timepiece

Country Status (1)

Country Link
JP (1) JPS5774794A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020216801A1 (fr) 2019-04-26 2020-10-29 Byk-Chemie Gmbh Composition pour la préparation d'un filtre coloré
WO2020241535A1 (fr) 2019-05-31 2020-12-03 富士フイルム株式会社 Capteur optique et dispositif de détection
WO2021039253A1 (fr) 2019-08-30 2021-03-04 富士フイルム株式会社 Composition, film, filtre optique et procédé de production associé, élément d'imagerie à semi-conducteurs, capteur infrarouge et module de capteur
WO2021039205A1 (fr) 2019-08-29 2021-03-04 富士フイルム株式会社 Composition, film, filtre éliminateur d'infrarouge proche, procédé de formation de motif, stratifié, élément d'imagerie à semi-conducteurs, capteur infrarouge, dispositif d'affichage d'image, module de caméra et composé
WO2022214502A1 (fr) 2021-04-07 2022-10-13 Byk-Chemie Gmbh Polymère en peigne ayant des groupes de sels

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021694A (ja) * 1983-07-18 1985-02-04 Nippon Telegr & Teleph Corp <Ntt> 圧電形受話器
JPH088475Y2 (ja) * 1988-10-17 1996-03-06 セイコーエプソン株式会社 アラーム付電子時計
JP4917463B2 (ja) * 2007-03-23 2012-04-18 シチズンホールディングス株式会社 ブザー付き電子機器、ブザー駆動回路、及びブザー駆動用半導体装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538374B2 (fr) * 1972-12-09 1980-10-03

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538374U (fr) * 1978-09-04 1980-03-12
JPS6025105Y2 (ja) * 1979-02-14 1985-07-27 セイコーインスツルメンツ株式会社 圧電型ブザ−駆動回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538374B2 (fr) * 1972-12-09 1980-10-03

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020216801A1 (fr) 2019-04-26 2020-10-29 Byk-Chemie Gmbh Composition pour la préparation d'un filtre coloré
WO2020216800A1 (fr) 2019-04-26 2020-10-29 Byk-Chemie Gmbh Composition non pigmentée de dispersant
WO2020241535A1 (fr) 2019-05-31 2020-12-03 富士フイルム株式会社 Capteur optique et dispositif de détection
WO2021039205A1 (fr) 2019-08-29 2021-03-04 富士フイルム株式会社 Composition, film, filtre éliminateur d'infrarouge proche, procédé de formation de motif, stratifié, élément d'imagerie à semi-conducteurs, capteur infrarouge, dispositif d'affichage d'image, module de caméra et composé
WO2021039253A1 (fr) 2019-08-30 2021-03-04 富士フイルム株式会社 Composition, film, filtre optique et procédé de production associé, élément d'imagerie à semi-conducteurs, capteur infrarouge et module de capteur
WO2022214502A1 (fr) 2021-04-07 2022-10-13 Byk-Chemie Gmbh Polymère en peigne ayant des groupes de sels

Also Published As

Publication number Publication date
JPS5774794A (en) 1982-05-11

Similar Documents

Publication Publication Date Title
US5912092A (en) Battery package
JPH0795733A (ja) 充電装置
JPS6248838B2 (fr)
JP4150297B2 (ja) 電界効果トランジスタのドライブ回路
US6356468B1 (en) Arrangement for limiting starting current in a power supply
JPS63276319A (ja) 半導体スイツチング素子の駆動回路
JPS6037156A (ja) 出力保護回路
JP2002272001A (ja) 二次電池の保護方法、保護回路、および短絡検出回路
JPS5925115B2 (ja) 半導体式機関点火装置
JPH0127286Y2 (fr)
JP2002176731A (ja) 二次電池の保護方法およびその回路
JPH11113178A (ja) 保護回路の解除方法、２次電池装置及び２次電池復帰装置
JP2001339841A (ja) 過電流保護回路及び検出スイッチ
JPS631819B2 (fr)
JP2001217699A (ja) 電流制御型素子用駆動装置
JPH06350741A (ja) 極性反転検出回路
JPS60117639A (ja) 電荷積分回路
JP2007014046A (ja) 乾電池保護回路
JP2002218663A (ja) バッテリー用充電器
JPH06197463A (ja) 蓄電池の放電器
JPH0722928A (ja) 半導体集積回路装置
JPS6173518A (ja) 過電圧保護回路
JPH08106923A (ja) バツテリ
JPH04145842A (ja) バッテリ定電流充電回路
JPH05260652A (ja) 電源逆接続防止回路