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Browse by Category: Main > Information Technology
Class Information
Number: 369/121
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > With particular light source (e.g., laser, crt with phosphor)
Description: Subject matter including either structural detail of a light source, or a light source characterized by a function or relationship additional to conventional light emission.










Sub-classes under this class:

Class Number Class Name Patents
369/123 Glow lamps 5
369/122 Solid state 229


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8605563 Optical disc device and control method of optical disc Dec. 10, 2013
8526288 Optical elements including light sources and waveguides and information storage devices including the same Sep. 3, 2013
8526289 Optical information reproducing apparatus and optical information reproducing method Sep. 3, 2013
8494020 Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus Jul. 23, 2013
8477589 Optical pickup and optical disc drive Jul. 2, 2013
8477588 High power optical disc drives Jul. 2, 2013
8472301 Objective optical element and optical pickup device Jun. 25, 2013
8451707 Semiconductor wafer patterned with thermally-assisted recording (TAR) head structures May. 28, 2013
8451706 Vertical cavity surface emitting laser, vertical-cavity-surface-emitting-laser device, optical transmission apparatus, and information processing apparatus May. 28, 2013
8395980 Optical head device, optical information device, and information processing device Mar. 12, 2013
8395983 Optical pickup apparatus Mar. 12, 2013
8351317 Laser irradiation apparatus, irradiation method using the same, and method of crystallizing amorphous silicon film using the same Jan. 8, 2013
8345530 Objective lens and optical pickup apparatus using the same Jan. 1, 2013
8310911 Optical pickup apparatus Nov. 13, 2012
8306383 Data processor and hierarchy for recording moving and still picture files Nov. 6, 2012
8305864 Compound objective lens, optical head device, optical information device, and information processing device Nov. 6, 2012
8304752 EUV light producing system and method utilizing an alignment laser Nov. 6, 2012
8305870 Optical information recording method, optical information reproducing method, optical information recording apparatus, and optical information recording and reproducing apparatus Nov. 6, 2012
8295147 Optical pickup apparatus Oct. 23, 2012
8274877 Optical pickup with light receiving element and holding member and method of manufacturing the same Sep. 25, 2012
8263953 Systems and methods for target material delivery protection in a laser produced plasma EUV light source Sep. 11, 2012
8243769 Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus Aug. 14, 2012
8213289 Compatible optical recording medium Jul. 3, 2012
8174954 Optical information recording and reproducing method and optical information recording and reproducing apparatus May. 8, 2012
8169878 Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus May. 1, 2012
8169880 Optical pickup having radially arranged lenses in a low profile construction May. 1, 2012
8125877 Optical pickup Feb. 28, 2012
8121011 Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device Feb. 21, 2012
8107334 Laser power control method and optical information recording/reproducing device Jan. 31, 2012
8102752 Optical head and optical pickup device with a holder structure providing optical axis adjustment Jan. 24, 2012
8085646 Optical pickup lens capable of detecting the tilt state Dec. 27, 2011
8077583 Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device Dec. 13, 2011
8072855 Optical recording/reproducing apparatus and optical recording/reproducing method Dec. 6, 2011
8072871 Short-pulse light-source device, laser driving method, optical pickup, and optical disc apparatus Dec. 6, 2011
8068403 Optical head Nov. 29, 2011
8054735 Optical device Nov. 8, 2011
8050167 Optical device Nov. 1, 2011
8040765 Initialization method for information recording medium, initialization apparatus for information recording medium, and information recording medium Oct. 18, 2011
8014258 Optical pickup having radially arranged lenses in a low profile construction Sep. 6, 2011
8014242 Laser driving circuit, its recording compensation method and optical-disk apparatus Sep. 6, 2011
8000212 Metrology for extreme ultraviolet light source Aug. 16, 2011
8000209 Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for Aug. 16, 2011
7969846 Hologram recording and reproducing device and method for recording hologram Jun. 28, 2011
7952981 Semiconductor laser device protection circuit, optical pickup apparatus, and information recording/reproducing apparatus May. 31, 2011
7948857 Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus May. 24, 2011
7948856 Manufacturing method of an objective lens for an optical pickup apparatus and the optical pickup apparatus May. 24, 2011
7944800 Optical recording head, optical recording head manufacturing method and recording/reproducing device May. 17, 2011
7924690 Process for intentional deterioration of the contents of an optical recording medium Apr. 12, 2011
7898923 Optical pickup device with heat radiation part, and optical disc apparatus including the optical pickup device Mar. 1, 2011
7872959 Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith Jan. 18, 2011

1 2 3 4 5 6 7 8 9 10










 
 
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