| 摘要 |
PURPOSE: To provide the data input/output management device which enables specified data to be read and displayed on a display device such as a display, but disables them to be copied and allows data other than the specified data to normally be outputted. CONSTITUTION: This device is equipped with a means 1 which accepts a data input/output request from a program together with the identifier of the program, a means 2 which inputs and supplies requested data to the program when the request is an input request, a means 3 which decides whether or not the inputted data are protected data, a means 4 which records at least the identifier of the program when the data are the protected data, a means 5 which allows the request unless the identifier of the program making the request is recorded when the request is an output request, but determines whether or not the request is allowed on the basis of information showing an output-destination device making the request when the identifier is recorded, and a means 6 which outputs the requested data when the output request is accepted. |
