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 (enExample
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

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (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 (enExample)

Priority Applications (3)

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

Publications (2)

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

Family

ID=13330627

Family Applications (1)

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

Country Status (3)

Country Link
EP (1) EP0289264B1 (enExample)
JP (1) JPH0452797Y2 (enExample)
KR (1) KR910007845B1 (enExample)

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
EP3955869A1 (en) 2019-04-15 2022-02-23 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 (enExample) * 1979-02-13 1980-08-16
JPS55138698U (enExample) * 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 (enExample) * 1979-02-13 1980-08-16
JPS56111893A (en) * 1980-02-12 1981-09-03 Seiko Instr & Electronics Vibration plate for electromagnetic buzzar
JPS55138698U (enExample) * 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
EP0289264A1 (en) 1988-11-02
JPH0452797Y2 (enExample) 1992-12-11
KR910007845B1 (en) 1991-10-02
EP0289264B1 (en) 1992-06-17
KR880014833A (ko) 1988-12-24

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