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Class Information
Number: 369/13.14
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
Description: Subject matter wherein at least one step or element for producing the magnetic field is particularly described.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7420887 |
Optical storage apparatus, method for regeneration from optical storage medium, and method for recording on optical storage medium |
Sep. 2, 2008 |
| 7394730 |
Apparatus for patterning recording media |
Jul. 1, 2008 |
| 7355951 |
High density data recording/reproduction method utilizing electron emission and phase change media, and data recording system adopting the same, and media for the system |
Apr. 8, 2008 |
| 7352659 |
Method and apparatus for phase and/or copy window control use with a domain expansion recording medium and record carrier |
Apr. 1, 2008 |
| 7277364 |
Magneto-optical recording medium device |
Oct. 2, 2007 |
| 7277363 |
Magneto-optical recording or reproducing device |
Oct. 2, 2007 |
| 7245562 |
Method and device for high-speed magnetic recording |
Jul. 17, 2007 |
| 7233547 |
Disc-shaped recording medium, manufacturing method thereof, and disc drive device |
Jun. 19, 2007 |
| 7170842 |
Methods for conducting current between a scanned-probe and storage medium |
Jan. 30, 2007 |
| 7126885 |
Apparatus for patterning recording media |
Oct. 24, 2006 |
| 7110327 |
Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetization |
Sep. 19, 2006 |
| 7099097 |
Thermally assisted magnetic recording method |
Aug. 29, 2006 |
| 7072250 |
Magneto-optical storage medium and optical disk drive |
Jul. 4, 2006 |
| 6977786 |
Information recording method using a vertical magnetic system |
Dec. 20, 2005 |
| 6826129 |
Method and apparatus for recording magnetized mark utilizing magnetic field generated by adjacent magnetized mark to reduce energy level for generating pulsed magnetic field |
Nov. 30, 2004 |
| 6801478 |
Magneto-optical information reproducing apparatus |
Oct. 5, 2004 |
| 6700837 |
Method and apparatus for reading from a domain expansion recording medium by using an external magnetic field to form and remove the expanded domain |
Mar. 2, 2004 |
| 6693854 |
Reproducing method and reproducing apparatus for magneto-optical recording medium |
Feb. 17, 2004 |
| 6674693 |
Recording method, reproducing method and recording and reproducing apparatus for magneto-optical recording medium |
Jan. 6, 2004 |
| 6671235 |
Method of and apparatus for defining disk tracks in magnetic recording media |
Dec. 30, 2003 |
| 6636460 |
Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder |
Oct. 21, 2003 |
| 6633512 |
Magneto-optical information storage apparatus and information storage method with function of updating default value of applied magnetic field |
Oct. 14, 2003 |
| 6625090 |
Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus |
Sep. 23, 2003 |
| 6584044 |
Magneto-optical recording apparatus using multiple magnetic field strengths for recording different mark lengths |
Jun. 24, 2003 |
| 6477118 |
METHOD AND APPARATUS FOR RECORDING AND REPRODUCING INFORMATION BY APPLYING FIELD IN A DIRECTION OTHER THAN THE DIRECTION OF MAGNETIZATION OR THE DIRECTION TO A SURFACE OF AN INFORMATION RECORD |
Nov. 5, 2002 |
| 6469960 |
Magneto-optical storage apparatus capable of adjusting the magnetic field strength |
Oct. 22, 2002 |
| 6418089 |
REPRODUCTION APPARATUS AND REPRODUCTION METHOD PROVIDING REDUCED POWER CONSUMPTION, EVEN WHEN USING MAGNETICALLY INDUCED SUPER RESOLUTION (MSR), BY NOT APPLYING BIASED MAGNETIC FIELD TO RECORD |
Jul. 9, 2002 |
| 6404705 |
Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads |
Jun. 11, 2002 |
| 6400654 |
Magneto-optical recording and reproducing device capable of suppressing cross talk |
Jun. 4, 2002 |
| 6385141 |
Magneto-optical recording method capable of adjusting the sizes magnetic domain |
May. 7, 2002 |
| 6377414 |
Magnetic media patterning utilizing heat-induced phase transition |
Apr. 23, 2002 |
| 6249490 |
Magneto-optical recording/reproducing method and apparatus |
Jun. 19, 2001 |
| 6205092 |
Magneto-optical recording and reproducing apparatus and method |
Mar. 20, 2001 |
| 6172950 |
Method for correcting tilt of magnet-optical readable medium apparatus to be used for its practice and magnet-optical readable medium |
Jan. 9, 2001 |
| 5966350 |
Magneto-optical recording medium and method of reading the same |
Oct. 12, 1999 |
| 5946275 |
Optical readout method with a direction of a magnetic field applied to a recording medium changed with a signal, and a system therefor |
Aug. 31, 1999 |
| 5781513 |
Magnetic-field modulation recording method and device for preventing residual information from remaining after overwriting |
Jul. 14, 1998 |
| 5726955 |
Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording |
Mar. 10, 1998 |
| 5689479 |
Magneto-optical recording apparatus |
Nov. 18, 1997 |
| 5621706 |
Method and apparatus for magnetic super-resolution recording |
Apr. 15, 1997 |
| 5579292 |
Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data |
Nov. 26, 1996 |
| 5530685 |
Magneto-optical recording apparatus having paired devices for applying external magnetic fields |
Jun. 25, 1996 |
| 5475658 |
Magneto-optical recording device for improving C/N ratio |
Dec. 12, 1995 |
| 5473581 |
Magneto-optical data recording system continuously irradiating optical pulsers |
Dec. 5, 1995 |
| 5434831 |
Magneto-optical recording apparatus capable of both magnetic modulation and light modulation recording |
Jul. 18, 1995 |
| 5428594 |
Magneto-optic recording method and apparatus utilizing a two-state modulated light beam |
Jun. 27, 1995 |
| 5410521 |
Method and apparatus for recording information on a medium having biaxial magnetic anisotropy using parallel and perpendicular magnetic fields |
Apr. 25, 1995 |
| 5390156 |
Magneto-optic overwrite disk recording system for erasing and overwriting in a single pass |
Feb. 14, 1995 |
| 5371721 |
Method and apparatus for writing and reading a magneto-optical record carrier |
Dec. 6, 1994 |
| 5278809 |
Photomagnetic recording apparatus recording with alternating magnetic field and D.C. magnetic field |
Jan. 11, 1994 |
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