JPS6151797B2 - - Google Patents

Info

Publication number
JPS6151797B2
JPS6151797B2 JP54145363A JP14536379A JPS6151797B2 JP S6151797 B2 JPS6151797 B2 JP S6151797B2 JP 54145363 A JP54145363 A JP 54145363A JP 14536379 A JP14536379 A JP 14536379A JP S6151797 B2 JPS6151797 B2 JP S6151797B2
Authority
JP
Japan
Prior art keywords
counter
signal
output
circuit
frequency
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
JP54145363A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5669690A (en
Inventor
Yoshibumi Yamao
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP14536379A priority Critical patent/JPS5669690A/ja
Publication of JPS5669690A publication Critical patent/JPS5669690A/ja
Publication of JPS6151797B2 publication Critical patent/JPS6151797B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP14536379A 1979-11-12 1979-11-12 System for controlling sound of piezoelectric buzzer Granted JPS5669690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14536379A JPS5669690A (en) 1979-11-12 1979-11-12 System for controlling sound of piezoelectric buzzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14536379A JPS5669690A (en) 1979-11-12 1979-11-12 System for controlling sound of piezoelectric buzzer

Publications (2)

Publication Number Publication Date
JPS5669690A JPS5669690A (en) 1981-06-11
JPS6151797B2 true JPS6151797B2 (un) 1986-11-10

Family

ID=15383467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14536379A Granted JPS5669690A (en) 1979-11-12 1979-11-12 System for controlling sound of piezoelectric buzzer

Country Status (1)

Country Link
JP (1) JPS5669690A (un)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5785096A (en) * 1980-11-17 1982-05-27 Suwa Seikosha Kk Buzzer drive system
JPS62167300U (un) * 1986-04-15 1987-10-23
JPS6390300U (un) * 1986-11-29 1988-06-11
JP5366846B2 (ja) * 2010-01-29 2013-12-11 能美防災株式会社 音響警報装置及びこれを備えた火災報知設備

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54670A (en) * 1977-05-26 1979-01-06 Seiko Instr & Electronics Ltd Alarm wrista watch
JPS5459176A (en) * 1977-10-19 1979-05-12 Rhythm Watch Co Watch with alarm
JPS5562497A (en) * 1978-11-02 1980-05-10 Tokyo Shibaura Electric Co Alarm sound generator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744398Y2 (un) * 1977-05-26 1982-09-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54670A (en) * 1977-05-26 1979-01-06 Seiko Instr & Electronics Ltd Alarm wrista watch
JPS5459176A (en) * 1977-10-19 1979-05-12 Rhythm Watch Co Watch with alarm
JPS5562497A (en) * 1978-11-02 1980-05-10 Tokyo Shibaura Electric Co Alarm sound generator

Also Published As

Publication number Publication date
JPS5669690A (en) 1981-06-11

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