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Information carrier, a device for recording and/or reproducing information, as well as a method for manufacturing an information carrier

An information carrier and equipment technology, applied in the field of information carriers, can solve the problems of inefficient energy transmission, expensive CD, and complicated manufacturing, and achieve high efficiency.

Inactive Publication Date: 2007-04-04
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this makes the manufacture of this CD relatively complicated, making the CD expensive
A further problem with the known information carrier is that only a relatively inefficient energy transfer can be obtained from and / or to the information carrier during use

Method used

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  • Information carrier, a device for recording and/or reproducing information, as well as a method for manufacturing an information carrier
  • Information carrier, a device for recording and/or reproducing information, as well as a method for manufacturing an information carrier
  • Information carrier, a device for recording and/or reproducing information, as well as a method for manufacturing an information carrier

Examples

Experimental program
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Embodiment Construction

[0037] Figures 1 and 2 schematically show an information carrier, together with a holder 21 and a device 50 for recording information on and / or reproducing information from at least one data layer of a rotating disk Part of a turntable 22. Such a device 50 is schematically shown in FIG. 9 .

[0038]The information carrier comprises a substantially circular disc 1 having at least one layer 2 for optically reading and / or writing data of a first type, for example video and / or audio information, computer data and / or the like. During use, the disc 1 is designed to rotate about an imaginary axis of rotation A for reading and / or writing data of said first type. Said axis of rotation A passes through the center point of the disk 1 .

[0039] The disc 1 comprises an annular clamping portion C which surrounds an annular transfer part T of the disc when viewed in the radial direction of the disc. The at least one data layer 2 extends outside the annular clamping portion C of the disc...

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PUM

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Abstract

Information carrier, comprising a disc (101) which is provided with at least one data layer (102) for optically reading and / or writing information, wherein the disc comprises an annular clamping part (C), to be held by a clamper (121) during use, wherein the disc comprises at least one integrated circuit (103), wherein said integrated circuit comprises a first communicator (104) for communication with at least a second, external, communicator (111) during use, wherein the first communicator extends in a centre area (T) which is enclosed by said annular clamping part.

Description

technical field [0001] The invention relates to an information carrier comprising a disc having at least one data layer for optically reading and / or writing information, wherein the disc comprises an annular clamping portion supported by a clamper during use , wherein the disc comprises at least one integrated circuit, wherein said integrated circuit comprises a first communication means for communicating with at least one external second communication means during use. Background technique [0002] Such an information carrier is known from US-A-6044046, known as a compact disc (CD) comprising a circular disc with a central hole. The circular disk has an information bearing layer. The CD has a ring assembly including a chip and a CD coupling element. The CD coupling element may be an integrated part of the chip. The chip can provide a wide variety of functions. For example, the chip can be used as a secure element. In particular, the chip may contain a decryption key ne...

Claims

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Application Information

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IPC IPC(8): G11B23/00G11B7/24G06K19/04
CPCG06K19/04G06K19/045G11B23/0042G11B7/24G11B23/30G11B17/02G11B17/028
Inventor J·A·H·M·卡尔曼W·C·J·比尔霍夫
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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