Video/Audio Recording System, Video/Audio Recording Device, Receiving Device, Video/Audio Recording Method, and Video/Audio Management Program

A video/audio recording system for recording a content which includes either video or audio or both and on which copy restriction is imposed, said video/audio recording system comprising,

• a plurality of content receivers each for receiving a content;
• receive count securing means for securing content receivers of the same number as the number of contents to be recorded when recording plural same contents is instructed;
• a content recorder for recording a content;
• a hold count storage for storing content hold count information representing the number of contents held that is recorded by said content recorder;
• and
• a hold count manager for managing the number of contents held that is recorded by said content recorder, based on the content hold count information stored by said hold count storage;
• said content recorder recording a content received by any one of content receivers secured by said receive count securing means;
• said hold count storage storing content hold count information including as a content hold count the number of content receivers secured by said receive count securing means.

A content management server in a video/audio recording system including at least a plurality of content receivers for receiving a content, on which copy restriction is imposed, including either video or audio or both, and a recorder for recording said content, said content management server comprising,

• receive count securing means for securing content receivers of the same number as the recording number of contents when recording plural same contents is specified;
• a hold count storage for controlling such that content hold count information representing the number of contents held that is stored by said content recording means is stored;
• and
• a hold count manager for managing the number of contents held that is stored by said content recorder based on content hold count information controlled to be stored by said hold count storage;
• said content recorder controlling such that a content received by any one of content receivers secured by said receive count securing means is recorded;
• said hold count storage controlling such that content hold count information including as a content hold count the number of content receivers secured by said receive count securing means is stored.

A video/audio recording device, which records a content, in a system including a plurality of content receivers, each which receives a content which includes either video or audio or both and on which copy restriction is imposed, said video/audio recording device comprising,

• receive count securing means for securing content receivers of the same number as the content recording number when recording plural same contents is instructed;
• a content recorder for recording a content;
• a hold count storage for storing content hold count information representing the number of contents held that is stored by said content recorder;
• and
• a hold count manager for managing the number of contents held that is stored by said content recorder, based on content hold count information stored by said hold count storage;
• said content recorder recording a content received by any one of content receivers secured by said receive count securing means;
• said hold count storage storing content hold count information including, as a content hold count, the number of content receivers secured by said receive count securing means.

A recording device, which receives a content, in a video/audio recording system for recording said content, said content including either video or audio or both and on which copy restriction is imposed, said receiving device comprising, a content receiver for receiving said content;

• use right setting means for setting a receiver use right, or a right for using said content receiver;
• and a use reservation information storage for storing use reservation information regarding a use reservation state of said content receiver;
• said use reservation information storage storing as use reservation information a use date and time, at which a content receiver is used, and a use subject being a subject using said content receiver, in one-to-one correspondence;
• said use right setting means controlling such that a use request for said content receiver except said use subject is not accepted at said use date and time, based on said use reservation information, thus securing a receiver use right said use subject.

A video/audio recording method for recording contents, in a system including a plurality of content receivers, each which receives a content which includes either video or audio or both and on which copy restriction is imposed, said video/audio recording method comprising the steps of:

• securing content receivers of the same number as the content recording number when recording plural same contents is instructed;
• recording a content received by any one of said content receivers secured;
• storing content hold count information including, as content hold count, the number of said content receivers secured;
• and
• managing said recorded content hold count, based on content hold count information stored.

A video/audio management program for managing contents, in a recording system including a plurality of content receivers, each which receives a content which includes either video or audio or both and on which copy restriction is imposed, and a recorder for recording said content, said video/audio management program instructing a computer to execute the steps of:

• securing content receivers of the same number as the content recording number when recording plural same contents is instructed;
• recording a content received by any one of said content receivers secured, into said recorder;
• storing content hold count information including, as content hold count, the number of said content receivers secured;
• and
• managing said content hold count recorded in said storage, based on said content hold count information stored.