JPS61177491A - 圧電素子を用いた警音装置 - Google Patents

圧電素子を用いた警音装置

Info

Publication number
JPS61177491A
JPS61177491A JP60019141A JP1914185A JPS61177491A JP S61177491 A JPS61177491 A JP S61177491A JP 60019141 A JP60019141 A JP 60019141A JP 1914185 A JP1914185 A JP 1914185A JP S61177491 A JPS61177491 A JP S61177491A
Authority
JP
Japan
Prior art keywords
pulse train
piezoelectric element
output
counter
circuit
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
JP60019141A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0560120B2 (enrdf_load_stackoverflow
Inventor
久米　静夫
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.)
Imasen Electric Industrial Co Ltd
Original Assignee
Imasen Electric Industrial 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 Imasen Electric Industrial Co Ltd filed Critical Imasen Electric Industrial Co Ltd
Priority to JP60019141A priority Critical patent/JPS61177491A/ja
Publication of JPS61177491A publication Critical patent/JPS61177491A/ja
Publication of JPH0560120B2 publication Critical patent/JPH0560120B2/ja
Granted legal-status Critical Current

Links

JP60019141A 1985-02-01 1985-02-01 圧電素子を用いた警音装置 Granted JPS61177491A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60019141A JPS61177491A (ja) 1985-02-01 1985-02-01 圧電素子を用いた警音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60019141A JPS61177491A (ja) 1985-02-01 1985-02-01 圧電素子を用いた警音装置

Publications (2)

Publication Number Publication Date
JPS61177491A true JPS61177491A (ja) 1986-08-09
JPH0560120B2 JPH0560120B2 (enrdf_load_stackoverflow) 1993-09-01

Family

ID=11991173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60019141A Granted JPS61177491A (ja) 1985-02-01 1985-02-01 圧電素子を用いた警音装置

Country Status (1)

Country Link
JP (1) JPS61177491A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0727223U (ja) * 1993-10-22 1995-05-19 株式会社電研社 ケーブルの曲路用延線具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5348605A (en) * 1976-10-15 1978-05-02 Matsushita Electric Works Ltd Modulation circuit of radio transmitter
JPS57210395A (en) * 1981-06-19 1982-12-23 Ricoh Kk Piezo-electric buzzer driving system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5348605A (en) * 1976-10-15 1978-05-02 Matsushita Electric Works Ltd Modulation circuit of radio transmitter
JPS57210395A (en) * 1981-06-19 1982-12-23 Ricoh Kk Piezo-electric buzzer driving system

Also Published As

Publication number Publication date
JPH0560120B2 (enrdf_load_stackoverflow) 1993-09-01

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Legal Events

Date Code Title Description
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