IT972504B - Perfezionametno nei trasduttori elettroacustici - Google Patents
Perfezionametno nei trasduttori elettroacusticiInfo
- Publication number
- IT972504B IT972504B IT33100/72A IT3310072A IT972504B IT 972504 B IT972504 B IT 972504B IT 33100/72 A IT33100/72 A IT 33100/72A IT 3310072 A IT3310072 A IT 3310072A IT 972504 B IT972504 B IT 972504B
- Authority
- IT
- Italy
- Prior art keywords
- perfection
- electroacoustic transducers
- electroacoustic
- transducers
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5993071A GB1364669A (en) | 1971-12-23 | 1971-12-23 | Electro acoustic transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT972504B true IT972504B (it) | 1974-05-31 |
Family
ID=10484678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT33100/72A IT972504B (it) | 1971-12-23 | 1972-12-19 | Perfezionametno nei trasduttori elettroacustici |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3836733A (it) |
| AU (1) | AU465688B2 (it) |
| ES (1) | ES409986A1 (it) |
| GB (1) | GB1364669A (it) |
| IT (1) | IT972504B (it) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937904A (en) * | 1974-08-07 | 1976-02-10 | Hitachi Magnetics Corporation | Moving magnet electroacoustic transducer |
| DK152477C (da) * | 1977-03-14 | 1988-08-01 | Burundukov Valentin M | Elektrodynamisk transducer til omsaetning af mekaniske svingninger til elektriske signaler eller omvendt, samt stereofonisk og monofonisk pickuphoved og elektrodynamisk mikrofon med en saadan transducer. |
| US5647013C1 (en) * | 1992-10-29 | 2001-05-08 | Knowles Electronics Co | Electroacoustic transducer |
| GB9222677D0 (en) * | 1992-10-29 | 1992-12-09 | Knowles Electronics Co | Electroacoustic transducer |
| NL1004669C2 (nl) * | 1996-12-02 | 1998-06-03 | Microtronic Nederland Bv | Transducer. |
| US6658134B1 (en) | 1999-08-16 | 2003-12-02 | Sonionmicrotronic Nederland B.V. | Shock improvement for an electroacoustic transducer |
| JP2005522176A (ja) * | 2002-04-02 | 2005-07-21 | ビーイーアイ センサーズ アンド システムズ カンパニー インコーポレイテッド | 電磁力による制御可能な圧縮スプリングとしてのリニアボイスコイルアクチュエータ |
| US8295536B2 (en) * | 2010-03-31 | 2012-10-23 | Bose Corporation | Moving magnet levered loudspeaker |
| US8295537B2 (en) * | 2010-03-31 | 2012-10-23 | Bose Corporation | Loudspeaker moment and torque balancing |
| US9055370B2 (en) | 2012-08-31 | 2015-06-09 | Bose Corporation | Vibration-reducing passive radiators |
| US10028062B2 (en) | 2013-03-15 | 2018-07-17 | Bose Corporation | Driving plural armatures with a common stator |
| US9497549B2 (en) | 2014-03-07 | 2016-11-15 | Bose Corporation | Levered loudspeakers |
| US9601969B2 (en) | 2014-03-07 | 2017-03-21 | Bose Corporation | Inhibiting rocking of loads driven by plural levers |
| US9258648B2 (en) | 2014-03-07 | 2016-02-09 | Bose Corporation | Levered loudspeakers |
| US9357279B2 (en) | 2014-03-07 | 2016-05-31 | Bose Corporation | Elastomeric torsion bushings for levered loudspeakers |
| CN104284279A (zh) * | 2014-11-03 | 2015-01-14 | 常州阿木奇声学科技有限公司 | 一种动铁喇叭的磁路系统 |
| US10154347B2 (en) * | 2015-10-23 | 2018-12-11 | Bose Corporation | Bushings constrained by compression in levered apparatus |
| CN108337587B (zh) * | 2017-01-20 | 2020-08-14 | 苏州三色峰电子有限公司 | 一种适用于自动化装配的受话器及其制作方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1559158A (en) * | 1923-12-11 | 1925-10-27 | Gen Electric | Sound-emitting device |
| US1761745A (en) * | 1927-08-09 | 1930-06-03 | Paramount Famous Lasky Corp | Speaker |
| US2073561A (en) * | 1934-08-16 | 1937-03-09 | Mccracken John | Sound reproducing means |
| US3695945A (en) * | 1970-04-30 | 1972-10-03 | Gen Electric | Method of producing a sintered cobalt-rare earth intermetallic product |
-
1971
- 1971-12-23 GB GB5993071A patent/GB1364669A/en not_active Expired
-
1972
- 1972-11-21 US US00308381A patent/US3836733A/en not_active Expired - Lifetime
- 1972-12-04 AU AU49595/72A patent/AU465688B2/en not_active Expired
- 1972-12-19 IT IT33100/72A patent/IT972504B/it active
- 1972-12-22 ES ES409986A patent/ES409986A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU465688B2 (en) | 1975-10-02 |
| ES409986A1 (es) | 1975-12-01 |
| GB1364669A (en) | 1974-08-29 |
| AU4959572A (en) | 1974-06-06 |
| US3836733A (en) | 1974-09-17 |
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