| 摘要 |
<p>There are provided an option management system, an option management method, a program, and a recording medium for digital equipment, which are capable of charging a cost when an optional feature is added, are excellent in usability, and are excellent even in terms of security. The option management system comprises a user side terminal, a client side terminal, and digital equipment. The digital equipment is connected to the user side terminal and the client side terminal through a network and, when the user purchases license keys for optional features of respective software for self-monitoring, self-controlling, and self-maintaining and inputs the license keys from the user side terminal, performs control processing of validation or invalidation.</p> |
