SE430441B - Elektromagnetiskt magnethuvudinstellningsarrangemang innefattande ett flertal av varandra oberoende cirkulera flodesgap med gemensam permanentmagnet - Google Patents
Elektromagnetiskt magnethuvudinstellningsarrangemang innefattande ett flertal av varandra oberoende cirkulera flodesgap med gemensam permanentmagnetInfo
- Publication number
- SE430441B SE430441B SE7811379A SE7811379A SE430441B SE 430441 B SE430441 B SE 430441B SE 7811379 A SE7811379 A SE 7811379A SE 7811379 A SE7811379 A SE 7811379A SE 430441 B SE430441 B SE 430441B
- Authority
- SE
- Sweden
- Prior art keywords
- pole
- coil
- permanent magnet
- pole cores
- gaps
- Prior art date
Links
- 230000000694 effects Effects 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 3
- 230000015654 memory Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 241001063191 Elops affinis Species 0.000 description 1
- 235000002756 Erythrina berteroana Nutrition 0.000 description 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/849,134 US4136293A (en) | 1977-11-07 | 1977-11-07 | Multi-actuator system using single magnetic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7811379L SE7811379L (sv) | 1979-05-08 |
| SE430441B true SE430441B (sv) | 1983-11-14 |
Family
ID=25305150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7811379A SE430441B (sv) | 1977-11-07 | 1978-11-02 | Elektromagnetiskt magnethuvudinstellningsarrangemang innefattande ett flertal av varandra oberoende cirkulera flodesgap med gemensam permanentmagnet |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4136293A (de) |
| JP (1) | JPS5835030B2 (de) |
| AU (1) | AU517409B2 (de) |
| BR (1) | BR7807247A (de) |
| CA (1) | CA1068320A (de) |
| DE (1) | DE2847393C3 (de) |
| FR (1) | FR2408239A1 (de) |
| GB (1) | GB2007921B (de) |
| IT (1) | IT1160024B (de) |
| NL (1) | NL7810906A (de) |
| SE (1) | SE430441B (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359761A (en) * | 1978-07-27 | 1982-11-16 | Papst Motoren Kg | Electric motor with multiple shafts |
| US4285018A (en) * | 1979-01-25 | 1981-08-18 | International Business Machines Corporation | Disk file |
| US4227100A (en) * | 1979-02-26 | 1980-10-07 | The Foxboro Company | Dual output force motor |
| US4612592A (en) * | 1979-12-26 | 1986-09-16 | Burroughs Corporation | Dual coil/dual magnet actuator |
| US4692999A (en) * | 1979-12-26 | 1987-09-15 | Unisys Corp. | Method of making a multi-coil/multi-magnet actuator |
| JPS57211963A (en) * | 1981-06-24 | 1982-12-25 | Nippon Telegr & Teleph Corp <Ntt> | Parallel linear actuator |
| JPS5823362A (ja) * | 1981-07-30 | 1983-02-12 | Nippon Telegr & Teleph Corp <Ntt> | 揺動アクチユエ−タ |
| US4407578A (en) * | 1982-05-03 | 1983-10-04 | Polaroid Corporation | Efficient electromagnetic actuator usable as photographic shutter |
| US4631432A (en) * | 1982-06-21 | 1986-12-23 | Image Communications, Inc. | Linear motor facsimile machine |
| GB2129186A (en) * | 1982-10-29 | 1984-05-10 | Atasi Corp | Disk drive actuator structure |
| US4616277A (en) * | 1984-06-15 | 1986-10-07 | Memorex Corporation | Disk drive storage system having means for compensating for seek driving forces coupled between head actuators |
| JPS62175972A (ja) * | 1986-01-29 | 1987-08-01 | Hitachi Ltd | リニアアクチユエ−タ組立体 |
| JPH071617B2 (ja) * | 1986-06-30 | 1995-01-11 | 株式会社東芝 | 磁気ディスク装置及び磁気ディスク装置の磁気ヘッド制御方法 |
| US5025183A (en) * | 1989-05-17 | 1991-06-18 | The United States Of America As Represented By The Secretary Of The Air Force | Electromagnetic actuator driver apparatus with pivot axis |
| CN101860171A (zh) * | 2010-04-20 | 2010-10-13 | 沈阳工业大学 | 一种永磁直线发电机 |
| US11320906B2 (en) | 2019-12-13 | 2022-05-03 | Facebook Technologies, Llc | Systems and methods for delivering a plurality of haptic effects |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1119992B (de) * | 1956-03-29 | 1961-12-21 | Siemens Elektrogeraete Gmbh | Elektrodynamischer Schwingankerantrieb |
| US3439198A (en) * | 1965-12-27 | 1969-04-15 | Robert H Lee | Electrical actuator having a mechanical output |
| US3487241A (en) * | 1967-11-07 | 1969-12-30 | Thomas A Carter | Linear motor-generator |
| JPS4811888B1 (de) * | 1968-07-18 | 1973-04-17 | ||
| US3746937A (en) * | 1971-07-12 | 1973-07-17 | H Koike | Electromagnetic linear motion device |
| US3766334A (en) * | 1971-11-15 | 1973-10-16 | A Burke | Double voice coil loudspeaker |
| US3816777A (en) * | 1972-12-27 | 1974-06-11 | K Metzgar | Electrodynamic force generator |
| DE2314725B2 (de) * | 1973-03-24 | 1975-02-27 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth | Lautsprecherkombination |
| US3889139A (en) * | 1974-02-14 | 1975-06-10 | Xerox Corp | Linear motor actuator |
| US3896319A (en) * | 1974-04-17 | 1975-07-22 | Control Data Corp | Linear motor |
| US3924146A (en) * | 1975-01-27 | 1975-12-02 | California Computer Products | Multiple linear motor positioning system |
| US4034411A (en) * | 1975-07-11 | 1977-07-05 | International Business Machines Corporation | Magnetic disk information storage apparatus |
| US4075517A (en) * | 1976-04-02 | 1978-02-21 | Sperry Rand Corporation | Linear actuator |
-
1977
- 1977-11-07 US US05/849,134 patent/US4136293A/en not_active Expired - Lifetime
-
1978
- 1978-07-13 CA CA307,342A patent/CA1068320A/en not_active Expired
- 1978-07-24 AU AU38289/78A patent/AU517409B2/en not_active Expired
- 1978-09-22 JP JP53116073A patent/JPS5835030B2/ja not_active Expired
- 1978-10-02 FR FR7828929A patent/FR2408239A1/fr active Granted
- 1978-10-19 GB GB7841203A patent/GB2007921B/en not_active Expired
- 1978-10-31 IT IT29276/78A patent/IT1160024B/it active
- 1978-11-01 BR BR7807247A patent/BR7807247A/pt unknown
- 1978-11-02 DE DE2847393A patent/DE2847393C3/de not_active Expired
- 1978-11-02 NL NL7810906A patent/NL7810906A/xx not_active Application Discontinuation
- 1978-11-02 SE SE7811379A patent/SE430441B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2408239B1 (de) | 1982-05-14 |
| FR2408239A1 (fr) | 1979-06-01 |
| CA1068320A (en) | 1979-12-18 |
| NL7810906A (nl) | 1979-05-09 |
| BR7807247A (pt) | 1979-05-15 |
| GB2007921B (en) | 1982-02-24 |
| DE2847393C3 (de) | 1981-03-26 |
| AU3828978A (en) | 1980-01-31 |
| US4136293A (en) | 1979-01-23 |
| AU517409B2 (en) | 1981-07-30 |
| DE2847393A1 (de) | 1979-05-10 |
| IT7829276A0 (it) | 1978-10-31 |
| IT1160024B (it) | 1987-03-04 |
| GB2007921A (en) | 1979-05-23 |
| SE7811379L (sv) | 1979-05-08 |
| DE2847393B2 (de) | 1980-08-07 |
| JPS5466413A (en) | 1979-05-29 |
| JPS5835030B2 (ja) | 1983-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7811379-2 Effective date: 19910611 Format of ref document f/p: F |