JPS5774794A - Piezoelectric speaker driving circuit for electronic timepiece - Google Patents

Piezoelectric speaker driving circuit for electronic timepiece

Info

Publication number
JPS5774794A
JPS5774794A JP55151724A JP15172480A JPS5774794A JP S5774794 A JPS5774794 A JP S5774794A JP 55151724 A JP55151724 A JP 55151724A JP 15172480 A JP15172480 A JP 15172480A JP S5774794 A JPS5774794 A JP S5774794A
Authority
JP
Japan
Prior art keywords
driving circuit
electronic timepiece
piezoelectric speaker
speaker driving
piezoelectric
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.)
Granted
Application number
JP55151724A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6248838B2 (https=
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.)
Suwa Seikosha KK
SHIMAUCHI SEIKI KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK, SHIMAUCHI SEIKI KK filed Critical Suwa Seikosha KK
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

  • Electromechanical Clocks (AREA)
  • Circuit For Audible Band Transducer (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 true JPS5774794A (en) 1982-05-11
JPS6248838B2 JPS6248838B2 (https=) 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 (https=)

Cited By (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
JPH0255193U (https=) * 1988-10-17 1990-04-20
JP2008233785A (ja) * 2007-03-23 2008-10-02 Citizen Holdings Co Ltd 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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3959274B1 (en) 2019-04-26 2023-06-07 BYK-Chemie GmbH Non-pigmented dispersant composition
JP7309867B2 (ja) 2019-05-31 2023-07-18 富士フイルム株式会社 光センサおよびセンシング装置
JP7237166B2 (ja) 2019-08-29 2023-03-10 富士フイルム株式会社 組成物、膜、近赤外線カットフィルタ、パターン形成方法、積層体、固体撮像素子、赤外線センサ、画像表示装置、カメラモジュール、及び、化合物
WO2021039253A1 (ja) 2019-08-30 2021-03-04 富士フイルム株式会社 組成物、膜、光学フィルタ及びその製造方法、固体撮像素子、赤外線センサ、並びに、センサモジュール
US12479961B2 (en) 2021-04-07 2025-11-25 Byk-Chemie Gmbh Comb polymer having salt groups

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538374U (https=) * 1978-09-04 1980-03-12
JPS55118298U (https=) * 1979-02-14 1980-08-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538374U (https=) * 1978-09-04 1980-03-12
JPS55118298U (https=) * 1979-02-14 1980-08-21

Cited By (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
JPH0255193U (https=) * 1988-10-17 1990-04-20
JP2008233785A (ja) * 2007-03-23 2008-10-02 Citizen Holdings Co Ltd 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

Also Published As

Publication number Publication date
JPS6248838B2 (https=) 1987-10-15

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