Copy protection system for recording media

Claim 2

A recording medium, comprising: a recording and reproduction area; and an application program and an install control program recorded on said recording and reproduction area, wherein said install control program directs a first drive unit to record into said recording and reproduction area information concerning installation of said application program as install management information when said application program is installed in another recording medium, wherein said install control program directs said first drive unit to record in said recording and reproduction area performed-installation count information indicating the number of times said application program has been installed in another recording medium as said install management information, wherein said install control program compares said performed-installation count information recorded in said recording and reproduction area with permitted-installation count information indicating the predetermined number of permitted installations when said application program is requested to be installed in another recording medium, and does not allow said application program to be installed when said performed-installation count information is greater than said permitted-installation count information, and wherein said install control program controls a second drive unit which operates said another recording medium to uninstall said application program from said another recording medium and directs said first drive unit to decrement said performed-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled.

Claim 3

A recording medium comprising at least a recording and reproduction area, wherein an application program and an install control program are recorded, and said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium, wherein said install control program directs said first drive unit to record in said recording and reproduction area performed-installation count information indicating the number of times said application program has been installed in another recording medium as said install management information, wherein said install control program compares said performed-installation count information recorded in said recording and reproduction area with permitted-installation count information indicating the predetermined number of permitted installations when said application program is requested to be installed in another recording medium, and does not allow said application program to be installed when said performed-installation count information is greater than said permitted-installation count information, wherein said install control program controls a second drive unit which operates said another recording medium to uninstall said application program from said another recording medium and directs said first drive unit to decrement said performed-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled, wherein said install control program directs said first drive unit to record verification information for identifying said another recording medium in said recording and reproduction area as said install management information as said application program is installed, and said install control program references said verification information recorded in said recording and reproduction area when said application program is requested to be uninstalled and does not allow said application program to be uninstalled from the recording medium of said second drive unit irrespective of said permitted-installation count information when it is determined that the recording medium of said second drive unit is not an installation-destination of said application program.

Claim 4

A recording medium comprising at least a recording and reproduction area, wherein an application program and an install control program are recorded, and said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium, wherein said install control program directs said first drive unit to record in said recording and reproduction area performed-installation count information indicating the number of times said application program has been installed in another recording medium as said install management information, wherein said install control program compares said performed-installation count information recorded in said recording and reproduction area with permitted-installation count information indicating the predetermined number of permitted installations when said application program is requested to be installed in another recording medium, and does not allow said application program to be installed when said performed-installation count information is greater than said permitted-installation count information, wherein said install control program controls a second drive unit which operates said another recording medium to uninstall said application program from said another recording medium and directs said first drive unit to decrement said performed-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled, wherein said install control program directs said first drive unit to record verification information for identifying said another recording medium in said recording and reproduction area as said install management information as said application program is installed, and said install control program references said verification information recorded in said recording and reproduction area when said application program is requested to be uninstalled and does not allow said application program to be uninstalled from the recording medium of said second drive unit irrespective of said permitted-installation count information when it is determined that the recording medium of said second drive unit is not an installation-destination of said application program.

Claim 5

A recording medium according to claim 2, wherein said verification information is time information.

Claim 6

A recording medium according to claim 2, wherein said verification information is the directory information of said application program in the recording medium of said second drive unit.

Claim 7

An installation management method for installing an application program recorded in a first recording medium to a second recording medium comprising the steps of: receiving a request to install an application program onto a second recording medium; starting an install control program from said first recording medium comprising at least a recording and reproduction area where the application program and the install control program are recorded, wherein said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium, wherein said information concerning installation includes a performed-installation count indicating a number of times installation of said application program has been performed; comparing said install management information with permitted-installation count information indicating a predetermined number of permitted installations when said request is received that said application program is to be installed in said second recording medium; and disabling installation of said application program when said performed-installation count information is greater than said permitted-installation count information in said step for comparing and enabling installation of said application program when said performed-installation count information is less than said permitted-installation count information.

Claim 8

An installation management method for installing an application program recorded in a first recording medium to a second recording medium comprising the steps of: receiving a request to install an application program onto a second recording medium; starting an install control program from said first recording medium comprising at least a recording and reproduction area where the application program and the install control program are recorded, wherein said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium, wherein said information concerning installation includes a performed-installation count indicating a number of times installation of said application program has been performed; comparing said install management information with permitted-installation count information indicating a predetermined number of permitted installations when said request is received that said application program is to be installed in said second recording medium; and disabling installation of said application program when said performed-installation count information is greater than said permitted-installation count information in said step for comparing and enabling installation of said application program when said performed-installation count information is less than said permitted-installation count information.

Claim 9

An installation management method according to claim 5, wherein a file system is recorded in said recording medium, and said install control program operates according to said file system.

Claim 10

An installation management method according to claim 6, wherein said recording medium has a reproduction-only area, and said file system and said install control program are recorded in said reproduction-only area.

Claim 11

An installation management method according to claim 5, further comprising the steps of: controlling a second drive unit which operates said another recording medium according to said install control program to uninstall said application program from said another recording medium; and controlling said first drive unit to decrement said permitted-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled.

Claim 12

An installation management method for installing an application program recorded in a first recording medium to a second recording medium comprising the steps of: starting an install control program from said first recording medium comprising at least a recording and reproduction area, wherein an application program and the install control program are recorded, and said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium; comparing said install management information with permitted-installation count information indicating the predetermined number of permitted installations when it is specified that said application program is installed in said second recording medium; controlling a second drive unit which operates said another recording medium according to said install control program to uninstall said application program from said another recording medium; controlling said first drive unit to decrement said permitted-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled disabling installation of said application program when said performed-installation count information is greater than said permitted-installation count information in said step for comparing and enabling installation of said application program when said performed-installation count information is less than said permitted-installation count information; controlling said first drive unit to record verification information for identifying said another recording medium in said recording and reproduction area as said install management information according to said install control program as said application program is installed; and checking said verification information recorded in said recording and reproduction area when said application program is requested to be uninstalled so that said application program is not uninstalled from the recording medium of said second drive unit irrespective of said permitted-installation count information when it is determined that the recording medium of said second drive unit is not an installation-destination of said application program, and said application program is uninstalled from the recording medium of said second drive unit when it is determined that the recording medium of said second drive unit is an installation-destination of said application program.

Claim 13

An installation management method for installing an application program recorded in a first recording medium to a second recording medium comprising the steps of: starting an install control program from said first recording medium comprising at least a recording and reproduction area, wherein an application program and the install control program are recorded, and said install control program directs a first drive unit to record information concerning installation into said recording and reproduction area as install management information when said application program is installed in another recording medium; comparing said install management information with permitted-installation count information indicating the predetermined number of permitted installations when it is specified that said application program is installed in said second recording medium; controlling a second drive unit which operates said another recording medium according to said install control program to uninstall said application program from said another recording medium; controlling said first drive unit to decrement said permitted-installation count information recorded in said recording and reproduction area, when said application program is requested to be uninstalled disabling installation of said application program when said performed-installation count information is greater than said permitted-installation count information in said step for comparing and enabling installation of said application program when said performed-installation count information is less than said permitted-installation count information; controlling said first drive unit to record verification information for identifying said another recording medium in said recording and reproduction area as said install management information according to said install control program as said application program is installed; and checking said verification information recorded in said recording and reproduction area when said application program is requested to be uninstalled so that said application program is not uninstalled from the recording medium of said second drive unit irrespective of said permitted-installation count information when it is determined that the recording medium of said second drive unit is not an installation-destination of said application program, and said application program is uninstalled from the recording medium of said second drive unit when it is determined that the recording medium of said second drive unit is an installation-destination of said application program.