SG26985G - Electromagnetic buzzer - Google Patents

Electromagnetic buzzer

Info

Publication number
SG26985G
SG26985G SG269/85A SG26985A SG26985G SG 26985 G SG26985 G SG 26985G SG 269/85 A SG269/85 A SG 269/85A SG 26985 A SG26985 A SG 26985A SG 26985 G SG26985 G SG 26985G
Authority
SG
Singapore
Prior art keywords
lead substrate
base plate
projections
excitation coil
magnetic core
Prior art date
Application number
SG269/85A
Other languages
English (en)
Original Assignee
Seiko Instr Inc
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 Instr Inc filed Critical Seiko Instr Inc
Publication of SG26985G publication Critical patent/SG26985G/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
SG269/85A 1980-04-22 1985-04-10 Electromagnetic buzzer SG26985G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5318980A JPS56149096A (en) 1980-04-22 1980-04-22 Electromagnetic buzzer

Publications (1)

Publication Number Publication Date
SG26985G true SG26985G (en) 1990-07-06

Family

ID=12935922

Family Applications (1)

Application Number Title Priority Date Filing Date
SG269/85A SG26985G (en) 1980-04-22 1985-04-10 Electromagnetic buzzer

Country Status (6)

Country Link
US (1) US4391532A (fr)
JP (1) JPS56149096A (fr)
CH (1) CH646303GA3 (fr)
GB (1) GB2074773B (fr)
HK (1) HK64286A (fr)
SG (1) SG26985G (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435777A (en) * 1977-08-25 1979-03-16 Seiko Epson Corp Alarm watch
US5287084A (en) * 1991-02-01 1994-02-15 Star Micronics Co., Ltd. Thin buzzer
US5481618A (en) * 1993-07-30 1996-01-02 Motorola, Inc. Interconnection of a speaker using magnetic coupling
US5953436A (en) * 1997-07-18 1999-09-14 Caterpillar Inc. Apparatus for generating an audible tone
US5894264A (en) * 1997-07-18 1999-04-13 Caterpillar Inc. Apparatus for generating an audible tone
KR200160178Y1 (ko) * 1997-08-05 1999-11-01 이종배 다용도 진동 및 호출음 발생장치
US5867452A (en) * 1997-10-17 1999-02-02 E. Gluck Corp. Watch with invisible speaker
US20040203503A1 (en) * 2002-05-31 2004-10-14 Rollins Thomas James Portable electronic apparatus
WO2006014714A2 (fr) * 2004-07-23 2006-02-09 Electric Power Research Institute, Inc. Capteur souple a transducteur electromagnetique acoustique
CN101137888B (zh) * 2004-07-26 2011-09-07 电力研究所有限公司 测量装置
US7617603B2 (en) * 2005-02-28 2009-11-17 Electric Power Research Institute, Inc. Method for inspection and repair
US8103043B2 (en) * 2009-02-13 2012-01-24 Kyocera Corporation Sound-generation arrangements in portable electronic devices
IT1403105B1 (it) * 2010-12-15 2013-10-04 Corvino Struttura di orologio da polso.
CN103236843B (zh) * 2013-05-08 2015-09-02 杭州百事特电子有限公司 一种脉冲波形驱动器及电磁式蜂鸣器
EP3009895B1 (fr) * 2014-10-15 2017-06-28 Montres Breguet SA Montre musicale ou à sonnerie munie d'un agencement à rayonnement acoustique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075626A (en) * 1976-11-11 1978-02-21 Kobishi Electric Co., Ltd. Alarm buzzer
US4222089A (en) * 1977-11-10 1980-09-09 The Scott & Fetzer Company Oil burner ignition and control package
JPS5818299Y2 (ja) * 1978-04-28 1983-04-13 富士通株式会社 プリント基板ユニット内蔵型電子機器
JPS5536762A (en) * 1978-09-07 1980-03-14 Seiko Instr & Electronics Ltd Electronic alarm clock
US4295181A (en) * 1979-01-15 1981-10-13 Texas Instruments Incorporated Module for an integrated circuit system
US4245274A (en) * 1979-01-15 1981-01-13 Bally Manufacturing Corporation Readout and circuit board with test access

Also Published As

Publication number Publication date
JPS56149096A (en) 1981-11-18
HK64286A (en) 1986-09-05
CH646303GA3 (fr) 1984-11-30
GB2074773B (en) 1983-09-14
US4391532A (en) 1983-07-05
GB2074773A (en) 1981-11-04

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