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
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)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Electrically Operated Instructional Devices (AREA)
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)
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)
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)
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)
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 |
-
1987
- 1987-05-01 JP JP1987066944U patent/JPH0452797Y2/ja not_active Expired
-
1988
- 1988-04-26 EP EP88303750A patent/EP0289264B1/en not_active Expired - Lifetime
- 1988-04-30 KR KR888805032A patent/KR910007845B1/ko not_active Expired
Patent Citations (4)
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)
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 |