DK28996A - Apparatur og fremgangsmåde til undertrykkelse af elektromagnetisk forstyrrelse - Google Patents

Apparatur og fremgangsmåde til undertrykkelse af elektromagnetisk forstyrrelse Download PDF

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Publication number
DK28996A
DK28996A DK028996A DK28996A DK28996A DK 28996 A DK28996 A DK 28996A DK 028996 A DK028996 A DK 028996A DK 28996 A DK28996 A DK 28996A DK 28996 A DK28996 A DK 28996A
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DK
Denmark
Prior art keywords
electromagnetic interference
suppressing electromagnetic
suppressing
interference
electromagnetic
Prior art date
Application number
DK028996A
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Danish (da)
English (en)
Inventor
Marvin Benjamin Davis
David Louis Schell
Original Assignee
Discovision Associated
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Application filed by Discovision Associated filed Critical Discovision Associated
Publication of DK28996A publication Critical patent/DK28996A/da

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    • 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
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    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745—Sectoring or header formats within a track
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Optical Head (AREA)
  • Elimination Of Static Electricity (AREA)
  • Casings For Electric Apparatus (AREA)
DK028996A 1995-04-11 1996-03-12 Apparatur og fremgangsmåde til undertrykkelse af elektromagnetisk forstyrrelse DK28996A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/420,381 US5920539A (en) 1995-01-25 1995-04-11 Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor

Publications (1)

Publication Number Publication Date
DK28996A true DK28996A (da) 1996-10-12

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US (1) US5920539A (fr)
EP (1) EP0741508A3 (fr)
JP (1) JPH08330776A (fr)
KR (1) KR100278941B1 (fr)
CN (1) CN1142662A (fr)
AU (1) AU722275B2 (fr)
BR (1) BR9601011A (fr)
CA (1) CA2170971A1 (fr)
DK (1) DK28996A (fr)
IL (1) IL117740A0 (fr)
NO (1) NO961097L (fr)

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NO961097D0 (no) 1996-03-18
EP0741508A2 (fr) 1996-11-06
CA2170971A1 (fr) 1996-10-12
US5920539A (en) 1999-07-06
CN1142662A (zh) 1997-02-12
BR9601011A (pt) 2002-12-24
AU4579196A (en) 1996-10-24
AU722275B2 (en) 2000-07-27
EP0741508A3 (fr) 1998-10-28
KR960038780A (ko) 1996-11-21
IL117740A0 (en) 1996-07-23
JPH08330776A (ja) 1996-12-13
NO961097L (no) 1996-10-14
KR100278941B1 (ko) 2001-02-01

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