JPS63173293U - - Google Patents

Info

Publication number
JPS63173293U
JPS63173293U JP1987066944U JP6694487U JPS63173293U JP S63173293 U JPS63173293 U JP S63173293U JP 1987066944 U JP1987066944 U JP 1987066944U JP 6694487 U JP6694487 U JP 6694487U JP S63173293 U JPS63173293 U JP S63173293U
Authority
JP
Japan
Prior art keywords
diaphragm
support part
magnetic pole
magnetic force
diaphragm support
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
JP1987066944U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0452797Y2 (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 JP1987066944U priority Critical patent/JPH0452797Y2/ja
Priority to EP88303750A priority patent/EP0289264B1/en
Priority to KR888805032A priority patent/KR910007845B1/ko
Publication of JPS63173293U publication Critical patent/JPS63173293U/ja
Application granted granted Critical
Publication of JPH0452797Y2 publication Critical patent/JPH0452797Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13Devices 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Electrically Operated Instructional Devices (AREA)
JP1987066944U 1987-05-01 1987-05-01 Expired JPH0452797Y2 (en])

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987066944U JPH0452797Y2 (en]) 1987-05-01 1987-05-01
EP88303750A EP0289264B1 (en) 1987-05-01 1988-04-26 Electromagnetic sounding device
KR888805032A KR910007845B1 (en) 1987-05-01 1988-04-30 Electromagnetic sounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987066944U JPH0452797Y2 (en]) 1987-05-01 1987-05-01

Publications (2)

Publication Number Publication Date
JPS63173293U true JPS63173293U (en]) 1988-11-10
JPH0452797Y2 JPH0452797Y2 (en]) 1992-12-11

Family

ID=13330627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987066944U Expired JPH0452797Y2 (en]) 1987-05-01 1987-05-01

Country Status (3)

Country Link
EP (1) EP0289264B1 (en])
JP (1) JPH0452797Y2 (en])
KR (1) KR910007845B1 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05209964A (ja) * 1992-01-30 1993-08-20 Shimadzu Corp エミッションct装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287084A (en) * 1991-02-01 1994-02-15 Star Micronics Co., Ltd. Thin buzzer
JP2728622B2 (ja) * 1993-05-04 1998-03-18 スター精密株式会社 電気音響変換器
JP2001125576A (ja) * 1999-10-22 2001-05-11 Citizen Electronics Co Ltd 発音体および発音体を搭載した電子機器
KR20030021288A (ko) * 2001-09-05 2003-03-15 혜성산업주식회사 단말기용 수신 유니트
KR20020024186A (ko) * 2002-01-31 2002-03-29 황상문 이동통신 단말기용 수신유니트
US12011394B2 (en) 2019-04-15 2024-06-18 Carl Zeiss Meditec Ag Devices and methods for laser surgery of an eye, especially for keratoplasty
CN112634849B (zh) * 2020-12-17 2022-01-21 新沂市承翔电子有限公司 一种新型防灰防水的电子蜂鸣器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116399U (en]) * 1979-02-13 1980-08-16
JPS55138698U (en]) * 1980-03-26 1980-10-02
JPS56111893A (en) * 1980-02-12 1981-09-03 Seiko Instr & Electronics Vibration plate for electromagnetic buzzar
JPS59131797U (ja) * 1983-02-22 1984-09-04 株式会社三協精機製作所 電磁発音装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2402288A1 (de) * 1974-01-18 1975-07-24 Fichter Kg Elektronisch gesteuerter summer, insbesondere fuer weckeruhren
US4251807A (en) * 1979-03-08 1981-02-17 Pickering & Company Miniature buzzer
US4413253A (en) * 1981-02-19 1983-11-01 Alan Hofer Miniature sounder with double tuned cavity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116399U (en]) * 1979-02-13 1980-08-16
JPS56111893A (en) * 1980-02-12 1981-09-03 Seiko Instr & Electronics Vibration plate for electromagnetic buzzar
JPS55138698U (en]) * 1980-03-26 1980-10-02
JPS59131797U (ja) * 1983-02-22 1984-09-04 株式会社三協精機製作所 電磁発音装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05209964A (ja) * 1992-01-30 1993-08-20 Shimadzu Corp エミッションct装置

Also Published As

Publication number Publication date
KR880014833A (ko) 1988-12-24
EP0289264B1 (en) 1992-06-17
EP0289264A1 (en) 1988-11-02
JPH0452797Y2 (en]) 1992-12-11
KR910007845B1 (en) 1991-10-02

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