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Class Information
Number: 369/116
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > Light intensity adjustment or maintenance
Description: Subject matter including modification of the beam source to obtain a desired or constant intensity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619956 |
stability of a write control signal |
Nov. 17, 2009 |
| 7609603 |
Rewritable optical recording medium and optical recording method |
Oct. 27, 2009 |
| 7609601 |
Information recording apparatus, information recording method and information recording program |
Oct. 27, 2009 |
| 7599265 |
Recording method, recording apparatus, and signal processing circuit for recording information on optical recording medium |
Oct. 6, 2009 |
| 7593308 |
Optical head device capable of detecting the output laser beam |
Sep. 22, 2009 |
| 7583571 |
Write based power adaptive control system |
Sep. 1, 2009 |
| 7577068 |
Dynamic write strategy modification method and apparatus |
Aug. 18, 2009 |
| 7573797 |
High-frequency superimposing method and optical disk apparatus using it |
Aug. 11, 2009 |
| 7573793 |
Power determining method in optical disk recording apparatus having a plurality of pickups |
Aug. 11, 2009 |
| 7570569 |
Power control method of optical disk drive |
Aug. 4, 2009 |
| 7570568 |
High performance DVD writing current circuit |
Aug. 4, 2009 |
| 7570565 |
High-frequency superimposing method and optical disk apparatus using it |
Aug. 4, 2009 |
| 7570564 |
High-frequency superimposing method and optical disk apparatus using it |
Aug. 4, 2009 |
| 7570562 |
Optical disk unit |
Aug. 4, 2009 |
| 7567489 |
Light detector, optical pickup, and optical disc apparatus |
Jul. 28, 2009 |
| 7564767 |
Optical recording medium driving device |
Jul. 21, 2009 |
| 7564766 |
Laser drive device, laser light emitting device and laser driving method |
Jul. 21, 2009 |
| 7564757 |
Optical disk recording apparatus |
Jul. 21, 2009 |
| 7564755 |
Method and apparatus for automatically controlling output of laser diode |
Jul. 21, 2009 |
| 7564751 |
Laser power adjustment method and optical recording and reproduction apparatus |
Jul. 21, 2009 |
| 7561508 |
Method and apparatus for laser control during recording |
Jul. 14, 2009 |
| 7561506 |
Information-recording method and information-recording medium |
Jul. 14, 2009 |
| 7558182 |
Optical head and optical disc device provided therewith |
Jul. 7, 2009 |
| 7558172 |
Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk |
Jul. 7, 2009 |
| 7554895 |
Apparatus and method for controlling data write operations in optical storage system |
Jun. 30, 2009 |
| 7554890 |
Apparatus and method for controlling writing power of optical disc |
Jun. 30, 2009 |
| 7548495 |
Optical storage device, recording method of optical storage medium and program |
Jun. 16, 2009 |
| 7545719 |
Optical disk apparatus capable of measuring and recording signal condition, and method thereof |
Jun. 9, 2009 |
| 7542400 |
Laser diode driver, method of driving the laser diode driver, and method of initializing an optical recording and reproducing apparatus |
Jun. 2, 2009 |
| 7539110 |
Optical information recording medium and optical recording method |
May. 26, 2009 |
| 7539109 |
Optical disc drive and recording method for optical disc drive |
May. 26, 2009 |
| 7535941 |
Drive current control circuit for laser and optical disk device |
May. 19, 2009 |
| 7535806 |
Apparatus and method for detecting laser dropout |
May. 19, 2009 |
| 7532555 |
Phase-change recording layer optical recording method |
May. 12, 2009 |
| 7532554 |
Method for recording information on optical recording medium and information recording apparatus |
May. 12, 2009 |
| 7532550 |
Apparatus for setting a recorded parameter on non-used area of an optical disc |
May. 12, 2009 |
| 7529172 |
Optical disk recording and playback device |
May. 5, 2009 |
| 7525890 |
Method of and apparatus for recording data on optical recording medium |
Apr. 28, 2009 |
| 7525888 |
Optical information recording medium, an optical information recording apparatus, an information processing apparatus, program and information recording method |
Apr. 28, 2009 |
| 7522509 |
Semiconductor laser driving device and optical disc device |
Apr. 21, 2009 |
| 7518975 |
Operating current modifying device and method |
Apr. 14, 2009 |
| 7512057 |
Laser pulse control circuit |
Mar. 31, 2009 |
| 7512049 |
Optical pickup apparatus including emission device, light beam emission control method, and computer-readable recorded medium in which light beam emission control program is recorded |
Mar. 31, 2009 |
| 7505388 |
Laser controller for a multi-intensity recording laser and an optical disk drive including the same |
Mar. 17, 2009 |
| 7505387 |
Method and apparatus for controlling write power in an optical drive |
Mar. 17, 2009 |
| 7505384 |
Optical recording and reproducing apparatus |
Mar. 17, 2009 |
| 7502303 |
Optical information processing apparatus, optical pick-up device and optical recording disc system |
Mar. 10, 2009 |
| 7502302 |
Optical recording and reading equipment |
Mar. 10, 2009 |
| 7496011 |
Drive apparatus, drive method, information record medium having drive program, and information processing apparatus for drive |
Feb. 24, 2009 |
| 7492687 |
Optical information recording method, optical information recording and reproducing device, and optical information recording medium |
Feb. 17, 2009 |
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