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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
7861254 Optical pickup Dec. 28, 2010
7843793 Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus Nov. 30, 2010
7839754 Optical head and optical disk device Nov. 23, 2010
7835255 Identification information recording apparatus and identification information recording method for an optical disk Nov. 16, 2010
7808879 Optical disk drive with micro-SIL Oct. 5, 2010
7808880 Optical disk drive with hybrid solid immersion objective lens Oct. 5, 2010
7804759 Contactless optical writing apparatus Sep. 28, 2010
7792008 Optical pickup apparatus Sep. 7, 2010
7782741 Probe-scanned ferroelectric media with imprinted regions Aug. 24, 2010
7733758 Objective lens for an optical pickup apparatus Jun. 8, 2010
7733760 Optical pickup having radially arranged lenses in a low profile construction Jun. 8, 2010
7724634 Optical pickup apparatus with temperature compensation May. 25, 2010
7710847 Optical pickup apparatus May. 4, 2010
7710848 Optical pickup apparatus May. 4, 2010
7706234 Optical head with switchable diameter of the radiation spot on the radiation detector Apr. 27, 2010
7706238 Laser power control system and method Apr. 27, 2010
7697400 Optical pickup and optical disc device Apr. 13, 2010
7680016 Method for designing an optical pickup Mar. 16, 2010
7675833 Optical pickup with beam generating and focussing Mar. 9, 2010
7675835 Small form-factor optical data storage device Mar. 9, 2010
7664006 Device for reading from or writing to optical recording media Feb. 16, 2010
7646697 Optical head device and disk drive device Jan. 12, 2010
7636293 Optical pickup device, recorder and/or reproducer Dec. 22, 2009
7616548 Optical pickup apparatus and optical disc apparatus Nov. 10, 2009
7605363 Optical pickup unit including a receiving portion Oct. 20, 2009
7558183 System and method for optical media marking Jul. 7, 2009
7558184 Optical pickup device Jul. 7, 2009
7558182 Optical head and optical disc device provided therewith Jul. 7, 2009
7554896 Electron beam recording apparatus Jun. 30, 2009
7545726 Optical disc drive Jun. 9, 2009
7542401 Birefringence characteristic measuring method, optical recording medium and optical information recording/reproducing apparatus Jun. 2, 2009
7535815 Disc drive apparatus May. 19, 2009
7525897 Optical pickup device Apr. 28, 2009
7518975 Operating current modifying device and method Apr. 14, 2009
7502302 Optical recording and reading equipment Mar. 10, 2009
7496025 Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure Feb. 24, 2009
7483358 Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith Jan. 27, 2009
7480229 Light-emitting device and optical integrated device Jan. 20, 2009
7480230 Light source drive, optical information recording apparatus, and optical information recording method Jan. 20, 2009
7471595 Slim optical pickup Dec. 30, 2008
7463571 Optical element, optical pickup, and optical information recording/reproducing apparatus Dec. 9, 2008
7457226 Heat source having thermoelectric element, optical pickup assembly employing the same, and method of reducing temperature therein Nov. 25, 2008
7453787 Optical pickup Nov. 18, 2008
7440386 Optical device and method of manufacturing the same Oct. 21, 2008
7414949 Semiconductor laser device and optical pickup device Aug. 19, 2008
7408867 Method of aligning an optical fiber, method of manufacturing a semiconductor laser module, and semiconductor laser module Aug. 5, 2008
7400821 Device and method for reproducing photographic sound recordings Jul. 15, 2008
7400568 Optical device, optical pickup and optical disk apparatus Jul. 15, 2008
7388823 Optical pickup, manufacturing method thereof, and optical disk system Jun. 17, 2008
7382709 Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith Jun. 3, 2008

1 2 3 4 5 6 7 8 9 10










 
 
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