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Class Information
Number: 369/13.17
Name: Dynamic information storage or retrieval > Storage or retrieval by simultaneous application of diverse types of electromagnetic radiation > Magnetic field and light beam > Magnetic field generation > Magnetic field transducer assembly
Description: Subject matter wherein at least one element within a magnetic field transducer assembly is particularly described.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7420886 |
Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording medium |
Sep. 2, 2008 |
| 7327639 |
Hybrid writing and reading head to record data with high density |
Feb. 5, 2008 |
| 7277363 |
Magneto-optical recording or reproducing device |
Oct. 2, 2007 |
| 7272079 |
Transducer for heat assisted magnetic recording |
Sep. 18, 2007 |
| 7221626 |
Magneto-optical head and magneto-optical storage device |
May. 22, 2007 |
| 7146714 |
Manufacturing a magneto-optical write/read head |
Dec. 12, 2006 |
| 7110327 |
Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetization |
Sep. 19, 2006 |
| 7079329 |
Micro actuator for controlling focal depth |
Jul. 18, 2006 |
| 7016267 |
Magnetooptical recording apparatus having retreatable magnetic head |
Mar. 21, 2006 |
| 6996033 |
Optical path for a thermal-assisted magnetic recording head |
Feb. 7, 2006 |
| 6982932 |
Recording/reproducing head and recording/reproducing apparatus incorporating the same |
Jan. 3, 2006 |
| 6909674 |
Thermally assisted magnetic write head system utilizing multilayer thermal barrier coatings |
Jun. 21, 2005 |
| 6898157 |
Optical head having a plurality of coil elements connected in parallel to each other |
May. 24, 2005 |
| 6891780 |
Disk player |
May. 10, 2005 |
| 6873576 |
Method of thermally-assisted data recording and a recording apparatus |
Mar. 29, 2005 |
| 6870806 |
Magnetic head provided with moment-reducing contact for data storage medium |
Mar. 22, 2005 |
| 6854125 |
Magnetic head |
Feb. 8, 2005 |
| 6845065 |
Magneto-optical recording medium processing apparatus |
Jan. 18, 2005 |
| 6809908 |
Light induction type thin film magnetic head |
Oct. 26, 2004 |
| 6795380 |
Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus |
Sep. 21, 2004 |
| 6781950 |
Slider for an optical head with a terminal groove having an inclined bottom surface |
Aug. 24, 2004 |
| 6778471 |
Magnetic recording device |
Aug. 17, 2004 |
| 6760278 |
Magnetic head and data recording and reproduction device |
Jul. 6, 2004 |
| 6741526 |
Magnetic head device and recording/reproducing apparatus using the magnetic head device |
May. 25, 2004 |
| 6693856 |
MAGNETO-OPTICAL DISK APPARATUS CAPABLE OF ACCURATE REPRODUCTION OF SIGNAL BY REMOVING MAGNETIC INFLUENCE BY MAGNET INCLUDED IN OPTICAL HEAD AND METHOD OF DETECTING INTENSITY OF MAGNETIC FIELD |
Feb. 17, 2004 |
| 6650598 |
Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same |
Nov. 18, 2003 |
| 6603713 |
Optical disk drives with thermomagnetic writing and magnetoresistive reading |
Aug. 5, 2003 |
| 6600697 |
Magnetic head and magnetic head assembly using the same |
Jul. 29, 2003 |
| 6584045 |
High speed magnetic coil for magneto-optical head |
Jun. 24, 2003 |
| 6580667 |
Magneto-optical reproducing head having a plural transfer facing surfaces and insulation gaps |
Jun. 17, 2003 |
| 6563767 |
Connecting unit for connecting the head unit to a head slider in a head actuator for recording and/or reproducing apparatus |
May. 13, 2003 |
| 6529448 |
High speed magnetic coil for magneto-optical head |
Mar. 4, 2003 |
| 6526001 |
Magnetic head |
Feb. 25, 2003 |
| 6515943 |
Information storage device having an optical head assembly and a magnetic head assembly both mounted upon a single carriage |
Feb. 4, 2003 |
| 6510109 |
Magnetic head including stepped core and magneto-optical recording device using the same |
Jan. 21, 2003 |
| 6504796 |
Magneto-optical head having thickness of the core same as a track width |
Jan. 7, 2003 |
| 6445648 |
Magnetic field generator and magneto-optical storage device using the same |
Sep. 3, 2002 |
| 6404705 |
Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads |
Jun. 11, 2002 |
| 6404706 |
Laser mounting for a thermally assisted GMR head |
Jun. 11, 2002 |
| 6396775 |
Magneto-optical device and recording/reproducing method |
May. 28, 2002 |
| 6351436 |
Field enhancing magnetic pole for magneto-optical recording and reproducing device |
Feb. 26, 2002 |
| 6335908 |
Magneto optical recording medium with mask layer |
Jan. 1, 2002 |
| 6333900 |
Optical recording medium, optical head, and optical recording device |
Dec. 25, 2001 |
| 6330209 |
Load and unload control for magneto-optical disk drive |
Dec. 11, 2001 |
| 6327227 |
Magnetic recorder/reproduction apparatus including a selective temperature controller and magnetic recording reproduction method including selective temperature control |
Dec. 4, 2001 |
| 6324129 |
Near field magneto-optical head having read and write pinhole apertures |
Nov. 27, 2001 |
| 6324130 |
Disc drive suspension and head |
Nov. 27, 2001 |
| 6317391 |
Optical disc system having current monitoring circuit with improved bias coil assembly and controller for laser driver and method for operating same |
Nov. 13, 2001 |
| 6314060 |
Magnetic head for magneto-optic recording, and magneto-optic recording apparatus |
Nov. 6, 2001 |
| 6314061 |
Linear high density magneto-optical recording apparatus |
Nov. 6, 2001 |
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