JPS6247318B2 - - Google Patents
Info
- Publication number
- JPS6247318B2 JPS6247318B2 JP54080425A JP8042579A JPS6247318B2 JP S6247318 B2 JPS6247318 B2 JP S6247318B2 JP 54080425 A JP54080425 A JP 54080425A JP 8042579 A JP8042579 A JP 8042579A JP S6247318 B2 JPS6247318 B2 JP S6247318B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- thin plate
- magnetic
- sounding body
- yoke
- 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.)
- Expired
Links
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/02—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electromechanical Clocks (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8042579A JPS564087A (en) | 1979-06-26 | 1979-06-26 | Sound emitting body for electromagnetic watch |
GB8020154A GB2055273B (en) | 1979-06-26 | 1980-06-20 | Sound producing device for watches |
US06/162,498 US4330878A (en) | 1979-06-26 | 1980-06-24 | Sound producing device for watches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8042579A JPS564087A (en) | 1979-06-26 | 1979-06-26 | Sound emitting body for electromagnetic watch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS564087A JPS564087A (en) | 1981-01-16 |
JPS6247318B2 true JPS6247318B2 (US06633600-20031014-M00021.png) | 1987-10-07 |
Family
ID=13717918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8042579A Granted JPS564087A (en) | 1979-06-26 | 1979-06-26 | Sound emitting body for electromagnetic watch |
Country Status (3)
Country | Link |
---|---|
US (1) | US4330878A (US06633600-20031014-M00021.png) |
JP (1) | JPS564087A (US06633600-20031014-M00021.png) |
GB (1) | GB2055273B (US06633600-20031014-M00021.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03123427U (US06633600-20031014-M00021.png) * | 1990-03-27 | 1991-12-16 | ||
JPH03123428U (US06633600-20031014-M00021.png) * | 1990-03-27 | 1991-12-16 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58120990U (ja) * | 1982-02-08 | 1983-08-17 | オリエント時計株式会社 | 音響装置付携帯用時計 |
CH689346B5 (fr) * | 1995-05-03 | 1999-09-15 | Smh Management Services Ag | Dispositif de sécurité à alarme acoustique. |
CH691089A5 (fr) * | 1997-05-14 | 2001-04-12 | Asulab Sa | Pièce d'horlogerie associée à une boussole et à un viseur. |
US5867452A (en) * | 1997-10-17 | 1999-02-02 | E. Gluck Corp. | Watch with invisible speaker |
US6671383B2 (en) | 1998-11-04 | 2003-12-30 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic transducer and portable communication device |
JP2001078295A (ja) | 1999-09-07 | 2001-03-23 | Matsushita Electric Ind Co Ltd | 電磁型電気音響変換器 |
US20030206496A1 (en) * | 2002-05-02 | 2003-11-06 | Neilly Anthony Joseph | Timer and alarm apparatus for physical exercises |
US20040057339A1 (en) * | 2002-09-25 | 2004-03-25 | Marco Menini | Wrist watch including lighting means |
CN201656732U (zh) * | 2010-02-01 | 2010-11-24 | 瑞声光电科技(常州)有限公司 | 振动电机 |
CN106507252B (zh) * | 2016-09-26 | 2019-09-17 | 歌尔股份有限公司 | 多谐振系统骨传导扬声器单体 |
EP4113219A1 (fr) * | 2021-06-29 | 2023-01-04 | Montres Breguet S.A. | Procédé d'accordage fréquentiel d'un ensemble de plaques d'une montre, et montre comprenant l'ensemble de plaques accordées |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52151067A (en) * | 1976-06-11 | 1977-12-15 | Seiko Instr & Electronics Ltd | Alarm watch |
JPS5330296A (en) * | 1976-09-01 | 1978-03-22 | Seiko Instr & Electronics Ltd | Electro-acoustic transducer |
JPS54130896A (en) * | 1978-04-01 | 1979-10-11 | Tdk Corp | Buzzer |
JPH057075U (ja) * | 1991-07-19 | 1993-02-02 | 株式会社シマノ | 釣り竿のリールシート構造 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5364074A (en) * | 1976-11-19 | 1978-06-08 | Seiko Instr & Electronics Ltd | Wrist watch with electronic buzzer |
CH630220B (fr) * | 1978-11-10 | Ebauches Sa | Montre comprenant une boite fermee par une glace et un dispositif electro-acoustique. |
-
1979
- 1979-06-26 JP JP8042579A patent/JPS564087A/ja active Granted
-
1980
- 1980-06-20 GB GB8020154A patent/GB2055273B/en not_active Expired
- 1980-06-24 US US06/162,498 patent/US4330878A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52151067A (en) * | 1976-06-11 | 1977-12-15 | Seiko Instr & Electronics Ltd | Alarm watch |
JPS5330296A (en) * | 1976-09-01 | 1978-03-22 | Seiko Instr & Electronics Ltd | Electro-acoustic transducer |
JPS54130896A (en) * | 1978-04-01 | 1979-10-11 | Tdk Corp | Buzzer |
JPH057075U (ja) * | 1991-07-19 | 1993-02-02 | 株式会社シマノ | 釣り竿のリールシート構造 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03123427U (US06633600-20031014-M00021.png) * | 1990-03-27 | 1991-12-16 | ||
JPH03123428U (US06633600-20031014-M00021.png) * | 1990-03-27 | 1991-12-16 |
Also Published As
Publication number | Publication date |
---|---|
GB2055273B (en) | 1984-03-21 |
JPS564087A (en) | 1981-01-16 |
US4330878A (en) | 1982-05-18 |
GB2055273A (en) | 1981-02-25 |
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