US 2003/0142560 A1 · Data recording medium, reproduction apparatus, recording apparatus, reproducing method, recording method, computer-readable recorded medium in which reproducing program is recorded, and computer-readable recorded medium in which recording program is recorded

Abstract

An optical disc is constituted by a recording region for recording contents data, a readout region, and a protect region for recording copyright data of the contents data in this order from an inside. Access cannot be obtained to a groove track outside the readout region except that legal reproduction and recording is performed, and the groove track records a part of contents key data used for encrypting and decoding contents data.

Claims37

Dependent claims

A data recording medium, comprising:

a reproduction data region for recording reproduction data to be legally reproduced from the data recording medium;
and
a reproduction auxiliary data region for recording reproduction auxiliary data, which is retrieved based on medium identification data for identifying the data recording medium and identification data of the reproduction data to be legally reproduced and which is used for reproducing the reproduction data when the data recording medium is reproduced.

A reproduction apparatus for reproducing reproduction data recorded on an data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data, which is retrieved based on medium identification data for identifying the data recording medium and identification data of the reproduction data to be legally reproduced and which is used for reproducing the reproduction data when the recording medium is reproduced, said reproduction apparatus comprising:

a identification data acquiring device for acquiring the identification data of reproduction data reproduced by said reproduction apparatus and the medium identification data of the data recording medium reproduced by said reproduction apparatus;
a generating device for generating readout control data for controlling readout of the reproduction data based on the acquired identification data of reproduction data and the acquired medium identification data;
a reproduction auxiliary data retrieving device for retrieving the reproduction auxiliary data recorded on a reproduction auxiliary region in the data recording medium;
and
a reproduction control device for controlling reproduction of the reproduction data recorded on the data recording medium based on the generated readout control data and the retrieved reproduction auxiliary data.

2 more elements

A recording apparatus for recording reproduction data recorded on a data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data which is used for reproducing the reproduction data when the recording medium is reproduced, said recording apparatus comprising:

a first identification data acquiring device for acquiring the identification data of the reproduction data which is recorded in said data recording;
a second identification data acquiring device for acquiring the identification data of said data recording medium which is reproduced;
a reproduction data acquiring device for acquiring the reproduction data;
a reproduction auxiliary data acquiring device for acquiring reproduction auxiliary data based on the acquired medium identification data and the acquired identification data of the reproduction data;
and
a recording device for recording the acquired reproduction data in said reproduction data region, the acquired reproduction auxiliary data in said reproduction auxiliary data region, and the acquired medium identification data and the acquired identification data of the reproduction data on a region in said data recording medium.

3 more elements

A reproducing method for reproducing reproduction data recorded on an data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data, which is retrieved based on medium identification data for identifying the data recording medium and identification data of the reproduction data to be legally reproduced and which is used for reproducing the reproduction data when the recording medium is reproduced, said reproducing method comprising:

a identification data acquiring process of acquiring the identification data of reproduction data reproduced by said reproduction apparatus and the medium identification data of the data recording medium reproduced by said reproduction apparatus;
a generating process of generating readout control data for controlling readout of the reproduction data based on the acquired identification data of reproduction data and the acquired medium identification data;
a reproduction auxiliary data retrieving process of retrieving the reproduction auxiliary data recorded on a reproduction auxiliary region in the data recording medium;
and
a reproduction process of reproducing of the reproduction data recorded on the data recording medium based on the generated readout control data and the retrieved reproduction auxiliary data.

2 more elements

A recording method for recording reproduction data recorded on an data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data which is used for reproducing the reproduction data when the recording medium is reproduced, said recording method comprising:

a first identification data acquiring process of acquiring the identification data of the reproduction data which is recorded in said data recording;
a second identification data acquiring process of acquiring the identification data of said data recording medium which is reproduced;
a reproduction data acquiring process of acquiring the reproduction data;
a reproduction auxiliary data acquiring process of acquiring reproduction auxiliary data based on the acquired medium identification data and the acquired identification data of the reproduction data;
and
a recording process of recording the acquired reproduction data in said reproduction data region, the acquired reproduction auxiliary data in said reproduction auxiliary data region, and the acquired medium identification data and the acquired identification data of the reproduction data on a region in said data recording medium.

3 more elements

A recording medium wherein a reproduction program is recorded so as to be read by a computer, the computer included in a reproduction apparatus for reproducing reproduction data recorded on an data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data, which is retrieved based on medium identification data for identifying the data recording medium and identification data of the reproduction data to be legally reproduced and which is used for reproducing the reproduction data when the recording medium is reproduced, the program causing the computer to function as:

a identification data acquiring device for acquiring the identification data of reproduction data reproduced by said reproduction apparatus and the medium identification data of the data recording medium reproduced;
a generating device for generating readout control data for controlling readout of the reproduction data based on the acquired identification data of reproduction data and the acquired medium identification data;
a reproduction auxiliary data retrieving device for retrieving the reproduction auxiliary data recorded on a reproduction auxiliary region in the data recording medium;
and
a reproduction control device for controlling reproduction of the reproduction data recorded on the data recording medium based on the generated readout control data and the retrieved reproduction auxiliary data.

2 more elements

A recording medium wherein a recording program is recorded so as to be read by a computer, the computer included in a recording apparatus for recording reproduction data recorded on an data recording medium providing with a reproduction data region for recording the reproduction data to be legally reproduced from the data recording medium and a reproduction auxiliary data region for recording reproduction auxiliary data which is used for reproducing the reproduction data when the recording medium is reproduced, the program causing the computer to function as:

a first identification data acquiring device for acquiring the identification data of the reproduction data which is recorded in said data recording;
a second identification data acquiring device for acquiring the identification data of said data recording medium which is reproduced;
a reproduction data acquiring device for acquiring the reproduction data;
a reproduction auxiliary data acquiring device for acquiring reproduction auxiliary data based on the acquired medium identification data and the acquired identification data of the reproduction data;
and
a recording device for recording the acquired reproduction data in said reproduction data region, the acquired reproduction auxiliary data in said reproduction auxiliary data region, and the acquired medium identification data and the acquired identification data of the reproduction data on a region in said data recording medium.

3 more elements

Dependencies are inferred from the claim text.

Data recording medium, reproduction apparatus, recording apparatus, reproducing method, recording method, computer-readable recorded medium in which reproducing program is recorded, and computer-readable recorded medium in which recording program is recorded

Life of this patent

Data recording medium, reproduction apparatus, recording apparatus, reproducing method, recording method, computer-readable recorded medium in which reproducing program is recorded, and computer-readable recorded medium in which recording program is recorded

Life of this patent

Abstract

Claims37