Resources Contact Us Home
Medium, apparatus, and method of recording optical-information

Image Number 12 for United States Patent #7768881.

An optical-information recording medium includes a substrate that includes a servo surface having a servo pattern thereon; an information recording layer laminated on the servo surface of the substrate capable of recording information as a hologram produced by interference between an information beam containing the information and a reference beam; an address servo area that is formed as a part of the servo pattern, and that records therein address information and clock information for aligning a beam, emitted from an optical-information recording apparatus for recording information in the information recording layer, to a target position in the information recording layer; and a following up servo area that is formed as a part of the servo pattern, and that is to be irradiated by the beam to make the beam follow a rotation of the optical-information recording medium.

  Recently Added Patents
Method of requesting CQI reports
Warm air generating apparatus, sheet feeding apparatus, and image forming apparatus including warm air generating apparatus and sheet feeding apparatus
Technique for effectively providing program material in a cable television system
System and method for configuring a direct lift control system of a vehicle
Drive and startup for a switched capacitor divider
Carbonyl-ene functionalized polyolefins
Random access for wireless multiple-access communication systems
  Randomly Featured Patents
Exercise apparatus
Connection assembly for ultra high pressure liquid chromatography
Computer screen with a set of icons
Electrical connection defect detection system and method
Solder-bearing articles and method of retaining a solder mass along a side edge thereof
Complex wireless service apparatus using wired and wireless communication systems and method thereof
Method for measuring contact resistance
Hair scrunchie article
Combined neck chain and pendants
Display screen with an animated graphical user interface