JPS542697A - Miniature electromagnetic buzzer - Google Patents

Miniature electromagnetic buzzer

Info

Publication number
JPS542697A
JPS542697A JP6742977A JP6742977A JPS542697A JP S542697 A JPS542697 A JP S542697A JP 6742977 A JP6742977 A JP 6742977A JP 6742977 A JP6742977 A JP 6742977A JP S542697 A JPS542697 A JP S542697A
Authority
JP
Japan
Prior art keywords
miniature electromagnetic
electromagnetic buzzer
providing
buzzer
sound
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
JP6742977A
Other languages
Japanese (ja)
Inventor
Hiroaki Nomura
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
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha 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, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP6742977A priority Critical patent/JPS542697A/en
Publication of JPS542697A publication Critical patent/JPS542697A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve frequency characteristics with sufficient volume and good tone quality, by providing a sound-emitting hole after providing a resonant cavity to the inside right under diaphragm 5.
COPYRIGHT: (C)1979,JPO&Japio
JP6742977A 1977-06-08 1977-06-08 Miniature electromagnetic buzzer Pending JPS542697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6742977A JPS542697A (en) 1977-06-08 1977-06-08 Miniature electromagnetic buzzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6742977A JPS542697A (en) 1977-06-08 1977-06-08 Miniature electromagnetic buzzer

Publications (1)

Publication Number Publication Date
JPS542697A true JPS542697A (en) 1979-01-10

Family

ID=13344648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6742977A Pending JPS542697A (en) 1977-06-08 1977-06-08 Miniature electromagnetic buzzer

Country Status (1)

Country Link
JP (1) JPS542697A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443978U (en) * 1977-09-01 1979-03-26
JPS63137184A (en) * 1986-11-28 1988-06-09 Nippon Oil & Fats Co Ltd Aqueous rust preventive
JPS63310981A (en) * 1987-06-12 1988-12-19 Nippon Oil & Fats Co Ltd Aqueous corrosion inhibitor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443978U (en) * 1977-09-01 1979-03-26
JPS63137184A (en) * 1986-11-28 1988-06-09 Nippon Oil & Fats Co Ltd Aqueous rust preventive
JPS63310981A (en) * 1987-06-12 1988-12-19 Nippon Oil & Fats Co Ltd Aqueous corrosion inhibitor

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