Rental system of digital content
First Claim
1. A rental system of a digital contents comprising:
- a server which stores a plurality of predetermined format of digital contents and a reproduction software capable of reproducing the digital contents; and
a computer of user to which said reproduction software and said digital contents are downloaded from the server, characterized in that said reproduction software incorporates a reproducing program for reproducing the digital contents, a measuring program for measuring time since the digital contents was downloaded to said computer of the user from the server and a deleting program for deleting said digital contents from said computer of the user if a predetermined time has elapsed after the downloading.
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Accused Products
Abstract
[Problem to be solved] To rent a digital contents such as a movie or the like easily without a case in which the digital contents cannot be rented as it was rented by someone else.
[Constitution] There are provided a step S1 of downloading a reproduction software capable of reproducing a predetermined format of digital contents into a computer 110 of a user member 100, a step S2 of downloading the digital contents which can be reproduced by the reproduction software into the computer 110, and a step S3 of measuring time since the digital contents was downloaded into the computer and deleting the digital contents from the computer if a predetermined time has elapsed, and at least one part of the stored digital contents is overwritten by the deleting program so as not be reproduced by the reproducing program.
150 Citations
26 Claims
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1. A rental system of a digital contents comprising:
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a server which stores a plurality of predetermined format of digital contents and a reproduction software capable of reproducing the digital contents; and
a computer of user to which said reproduction software and said digital contents are downloaded from the server, characterized in that said reproduction software incorporates a reproducing program for reproducing the digital contents, a measuring program for measuring time since the digital contents was downloaded to said computer of the user from the server and a deleting program for deleting said digital contents from said computer of the user if a predetermined time has elapsed after the downloading. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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2. A rental system of a digital contents comprising:
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a server which stores a plurality of predetermined format of digital contents and a reproduction software capable of reproducing the digital contents; and
a computer of user to which said reproduction software and said digital contents are downloaded from the server, characterized in that said reproduction software incorporates a reproducing program for reproducing the digital contents, a counting program for counting the number of times of reproduction of the digital contents since it was downloaded from the server to said computer of the user, and a deleting program for deleting the digital contents from said computer of the user if the number of times of reproduction exceeds the predetermined number of times.
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10. A rental method of a digital contents comprising:
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a step of installing a reproduction software capable of reproducing a predetermined format of digital contents into a computer of a user;
a step of downloading the digital contents which can be reproduced by said reproduction software into said computer; and
a step of measuring time since said digital contents was downloaded into said computer and a step of deleting the digital contents from said computer if a predetermined time has elapsed, characterized in that a measuring program for measuring said time and a deleting program for deleting the digital contents are incorporated in said reproduction software. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 24)
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11. A rental method of a digital contents comprising:
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a step of installing a reproduction software capable of reproducing a predetermined format of digital contents into a computer of a user;
a step of downloading the digital contents which can be reproduced by said reproduction software into said computer; and
a step of counting the number of times of reproduction of said digital contents by said reproduction software and deleting the digital contents from said computer if a predetermined number of times is over, characterized in that a counting program for counting said number of times and a deleting program for deleting the digital contents are incorporated in said reproduction software.
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- 19. A server for renting a digital contents, characterized in that said server stores a plurality of predetermined format of digital contents and a reproduction software capable of reproducing said digital contents and downloads said reproduction software and the digital contents to a computer when it accesses the server, and said reproduction software measures time since the digital contents was downloaded to said computer and deletes the digital contents by a deleting program incorporated in said reproduction software if a predetermined time has elapsed.
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20. A server for renting a digital contents, characterized in that said server stores a plurality of predetermined format of digital contents and a reproduction software capable of reproducing the digital contents and downloads said reproduction software and the digital contents to a computer of the user when it accesses the server, and said reproduction software counts the number of times of reproduction of the digital contents since it was downloaded from the server to said computer of the user, and deletes the digital contents by a deleting program incorporated in said reproduction software if a predetermined number of times is over.
Specification