DE3315848C2 - - Google Patents

Info

Publication number
DE3315848C2
DE3315848C2 DE19833315848 DE3315848A DE3315848C2 DE 3315848 C2 DE3315848 C2 DE 3315848C2 DE 19833315848 DE19833315848 DE 19833315848 DE 3315848 A DE3315848 A DE 3315848A DE 3315848 C2 DE3315848 C2 DE 3315848C2
Authority
DE
Germany
Prior art keywords
holder
coils
reaction component
information carrier
bearing
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
Application number
DE19833315848
Other languages
German (de)
English (en)
Other versions
DE3315848A1 (de
Inventor
Karl Hanns Dr.-Ing. 5100 Aachen De Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to DE19833315848 priority Critical patent/DE3315848A1/de
Publication of DE3315848A1 publication Critical patent/DE3315848A1/de
Application granted granted Critical
Publication of DE3315848C2 publication Critical patent/DE3315848C2/de
Granted legal-status Critical Current

Links

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/18—Machines moving with multiple degrees of freedom

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19833315848 1983-04-30 1983-04-30 Aktuatorvorrichtung an schreib- und lesegeraeten zur staendigen korrektur der raeumlichen stellung eines schreib- oder lesemittels, insbesondere eines strahlenbuendels Granted DE3315848A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833315848 DE3315848A1 (de) 1983-04-30 1983-04-30 Aktuatorvorrichtung an schreib- und lesegeraeten zur staendigen korrektur der raeumlichen stellung eines schreib- oder lesemittels, insbesondere eines strahlenbuendels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833315848 DE3315848A1 (de) 1983-04-30 1983-04-30 Aktuatorvorrichtung an schreib- und lesegeraeten zur staendigen korrektur der raeumlichen stellung eines schreib- oder lesemittels, insbesondere eines strahlenbuendels

Publications (2)

Publication Number Publication Date
DE3315848A1 DE3315848A1 (de) 1984-10-31
DE3315848C2 true DE3315848C2 (en:Method) 1988-05-11

Family

ID=6197864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833315848 Granted DE3315848A1 (de) 1983-04-30 1983-04-30 Aktuatorvorrichtung an schreib- und lesegeraeten zur staendigen korrektur der raeumlichen stellung eines schreib- oder lesemittels, insbesondere eines strahlenbuendels

Country Status (1)

Country Link
DE (1) DE3315848A1 (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808510C1 (en:Method) * 1988-03-15 1989-02-02 Philips Patentverwaltung Gmbh, 2000 Hamburg, De
DE4135908A1 (de) * 1991-10-31 1993-05-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De Aktuatoranordnung
MY109874A (en) * 1992-12-17 1997-09-30 Koninklijke Philips Electronics Nv Scanning device and optical player comprising the scanning device
US5612945A (en) * 1993-02-22 1997-03-18 U.S. Philips Corporation Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device
US5524004A (en) * 1993-04-02 1996-06-04 U.S. Philips Corporation Suspension for the optical head of a disc scanner with mechanical limiting of objective lens
JP4359395B2 (ja) 1998-10-08 2009-11-04 カムコン・リミテッド 磁気駆動装置
DE102006020730A1 (de) * 2006-05-04 2007-11-08 Deutsche Thomson Ohg Schwingarm-Aktuator für mehrere Bewegungsrichtungen
EP2262083B1 (en) * 2009-06-12 2015-07-15 Braun GmbH Electric motor for a small electric appliance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2294605A1 (fr) * 1974-12-13 1976-07-09 Thomson Brandt Transducteur electrodynamique
DE3234288C2 (de) * 1982-09-16 1984-07-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Optische Vorrichtung zur Lenkung bzw. Ausrichtung eines Strahlenbündels

Also Published As

Publication number Publication date
DE3315848A1 (de) 1984-10-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee