SE519107C2 - Anordning vid ljudalstrare innefattande en roterbar magnetkrans - Google Patents
Anordning vid ljudalstrare innefattande en roterbar magnetkransInfo
- Publication number
- SE519107C2 SE519107C2 SE0001775A SE0001775A SE519107C2 SE 519107 C2 SE519107 C2 SE 519107C2 SE 0001775 A SE0001775 A SE 0001775A SE 0001775 A SE0001775 A SE 0001775A SE 519107 C2 SE519107 C2 SE 519107C2
- Authority
- SE
- Sweden
- Prior art keywords
- ring
- magnets
- magnetic
- zones
- frequency
- Prior art date
Links
- 230000005484 gravity Effects 0.000 claims abstract 3
- 230000000737 periodic effect Effects 0.000 claims abstract 3
- 230000003213 activating effect Effects 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 description 6
- 229940061368 sonata Drugs 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Classifications
-
- 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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/20—Sounding members
-
- 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
- G10K7/00—Sirens
-
- 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
- G10K7/00—Sirens
- G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
-
- 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)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Magnetic Ceramics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0001775A SE519107C2 (sv) | 2000-05-16 | 2000-05-16 | Anordning vid ljudalstrare innefattande en roterbar magnetkrans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0001775A SE519107C2 (sv) | 2000-05-16 | 2000-05-16 | Anordning vid ljudalstrare innefattande en roterbar magnetkrans |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0001775D0 SE0001775D0 (sv) | 2000-05-16 |
| SE0001775L SE0001775L (enExample) | 2001-11-17 |
| SE519107C2 true SE519107C2 (sv) | 2003-01-14 |
Family
ID=20279661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0001775A SE519107C2 (sv) | 2000-05-16 | 2000-05-16 | Anordning vid ljudalstrare innefattande en roterbar magnetkrans |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE519107C2 (enExample) |
-
2000
- 2000-05-16 SE SE0001775A patent/SE519107C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE0001775L (enExample) | 2001-11-17 |
| SE0001775D0 (sv) | 2000-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4795596B2 (ja) | 圧電ドライブ | |
| US5521455A (en) | Ultrasonic motor | |
| US10125794B2 (en) | Piezoelectric damper system for an axial turbomachine rotor | |
| JP4214194B2 (ja) | 変形可能なダイアフラムを有する電磁気機械 | |
| CN112202359B (zh) | 单模态协同工作的中空压电作动器及其工作方法 | |
| Saito et al. | Resonant mode design for noncontact ultrasonic motor with levitated rotor | |
| SE519107C2 (sv) | Anordning vid ljudalstrare innefattande en roterbar magnetkrans | |
| JPH02214478A (ja) | 超音波モータ | |
| EP0424139B1 (en) | Ultrasonic motor | |
| JP2004229422A (ja) | 超音波モータ | |
| US2604503A (en) | Torsionally oscillating rotating roll | |
| JPH04133676A (ja) | アクチュエータの駆動方法及びこの駆動方法を実現した超音波アクチュエータ | |
| JP2975065B2 (ja) | 超音波モータ | |
| JPS60183981A (ja) | 超音波モ−タ | |
| JPS6122778A (ja) | 圧電モ−タ | |
| JP2507083B2 (ja) | 超音波モ―タ | |
| JP2684418B2 (ja) | 超音波アクチュエータ | |
| JP2632158B2 (ja) | 超音波モータ | |
| JP2000060154A (ja) | 超音波モータ | |
| JP3575569B2 (ja) | ロータ浮揚式超音波モータ | |
| JP2689425B2 (ja) | 超音波モータ | |
| JPS59204479A (ja) | 超音波モーター | |
| JPS6135176A (ja) | 圧電モ−タ | |
| SU605275A1 (ru) | Однофазный пьезоэлектрический вибродвигатель | |
| JPS6387184A (ja) | 超音波モ−タ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |