JPS6390300U - - Google Patents

Info

Publication number
JPS6390300U
JPS6390300U JP18515186U JP18515186U JPS6390300U JP S6390300 U JPS6390300 U JP S6390300U JP 18515186 U JP18515186 U JP 18515186U JP 18515186 U JP18515186 U JP 18515186U JP S6390300 U JPS6390300 U JP S6390300U
Authority
JP
Japan
Prior art keywords
circuit
piezoelectric element
feedback electrode
drive circuit
alarm function
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.)
Pending
Application number
JP18515186U
Other languages
English (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 JP18515186U priority Critical patent/JPS6390300U/ja
Publication of JPS6390300U publication Critical patent/JPS6390300U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)

Description

【図面の簡単な説明】
第１図は本実施例のアラーム機能付電子時計の
回路図、第２図は本実施例に用いられる圧電振動
子の平面図、第３図は従来のアラーム機能付電子
時計の回路図である。 １７……Ｆ．Ｆ、１８，１９……ＮＯＲゲート
、２０……圧電振動子、２３……振動板、２４…
…圧電素子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 帰還電極を有する電圧素子と、該圧電素子の帰
    還電極からの信号により前記圧電素子を自励振で
    駆動させる駆動回路、該駆動回路の作動を制御す
    る制御回路及び機器本体の論理回路を内蔵した集
    積回路とを有することを特徴とする報音機能付電
    子機器。
JP18515186U 1986-11-29 1986-11-29 Pending JPS6390300U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18515186U JPS6390300U (ja) 1986-11-29 1986-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18515186U JPS6390300U (ja) 1986-11-29 1986-11-29

Publications (1)

Publication Number Publication Date
JPS6390300U true JPS6390300U (ja) 1988-06-11

Family

ID=31133506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18515186U Pending JPS6390300U (ja) 1986-11-29 1986-11-29

Country Status (1)

Country Link
JP (1) JPS6390300U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106500A (en) * 1979-02-09 1980-08-15 Casio Computer Co Ltd Sound annunciator
JPS5669690A (en) * 1979-11-12 1981-06-11 Casio Computer Co Ltd System for controlling sound of piezoelectric buzzer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106500A (en) * 1979-02-09 1980-08-15 Casio Computer Co Ltd Sound annunciator
JPS5669690A (en) * 1979-11-12 1981-06-11 Casio Computer Co Ltd System for controlling sound of piezoelectric buzzer

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