Information recording medium

A technology for recording media and identifying information, which is applied in data recording, information arrangement, information storage, etc., and can solve the problems of limited recording capacity, reduced amount of information, and inability to record information

Inactive Publication Date: 2005-02-23
LG ELECTRONICS INC
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this type of optical disc, since information cannot be recorded on the header area composed of pre-pit strings, the recording ca...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Information recording medium
  • Information recording medium
  • Information recording medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] refer to image 3 , image 3 An optical disc is shown having land and groove signal tracks 20 and 22 according to one embodiment of the invention. The land and groove signal tracks 20 and 22 are defined as Figure 4 A spiral pattern running parallel to each other from the innermost circumference to the outermost circumference of the disc as shown in , or as Figure 5 A spiral signal track is formed in such a way that the innermost circumference to the outermost circumference are alternately arranged every rotation period as shown in . Each of the land and groove signal tracks 20 and 22 includes in-phase wobble areas 24A and out-of-phase wobble areas 24B intersecting at each predetermined area and appearing alternately in the circumferential direction, ie, the advancing direction of the respective tracks. These in-phase wobbling areas 24A are arranged alternately with out-of-phase wobbling areas 24B in the diameter direction, that is, in the width direction of the land ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A recording medium is provided, which maximizes the recording capacity and simplifies the configuration of an information recording/reproducing apparatus including a pickup. In the medium, different types of wobbling signals are preformatted in each of the adjacent land and groove signal tracks. A same-phase wobbling signal provided by wobbling each side of the respective land and groove signal tracks in the same phase, and a different-phase wobbling signal provided by wobbling each side of the respective land and groove signal tracks in a different phase are used as the different types of wobbling signals. The physical positions of all the land and groove signal tracks are indicated by the same-phase wobbling signal.

Description

[0001] This application claims the priority benefit of the application number 98117299.7 filed on August 17, 1998, entitled "Information Recording Medium". technical field [0002] The present invention relates to a recording medium having land and groove tracks, and more particularly to a recording medium suitable for recording information on land and groove tracks. Background technique [0003] Recently, recording media such as optical recording media and magneto-optical recording media have been developed as recording media for recording various information such as video and audio information, and are commercially available. Such optical recording media include read-only discs such as CD, CD-ROM, DVD-ROM, write-once read-many discs such as CD-R, DVD-R, and CD-RW, DVD -Rewritable discs such as RAM. [0004] In an existing rewritable optical disc, identification (hereinafter referred to as "ID") information including address (or position) information enabling information t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G11B7/007G11B7/24082G11B7/24094G11B20/10G11B27/19G11B27/24G11B27/30
CPCG11B7/00718G11B2220/2575G11B2220/2545G11B2220/218G11B2220/2562G11B7/24082G11B27/24G11B27/3027G11B2220/216G11B20/10
Inventor 金大泳
Owner LG ELECTRONICS INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap