Patent Document ID: 7978353
Application ID: 11509589

Base Claim:
1. A document input and output device with a security protection function, the document input and output device being connected to a network and using a plurality of communication protocols, the document input and output device communicating documents in various data forms with plural information devices, comprising: a setting part configured to set a security protection setting; a protection part configured to provide security protection for a document that is input, the protection part being configured to convert the document into a document having limited functions based on the security protection setting; and a confirmation part configured to request confirmation of information that is input by a user, wherein the document is protected and a document input and output process is performed to convert the input document into the converted document, and the converted document is protected, wherein the confirmation part requires address information that is directly input to be input again, and wherein in the case of directly inputting an address of a destination where the document is to be transmitted, a screen for requesting a user to input the address again for confirmation is displayed to the user based on the security transmission setting, and wherein the screen for requesting the user to input the address again for confirmation is displayed in succession to a display of the screen where the address is directly input in the case of directly inputting the address.

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Claim 7:
7. The document input and output device as claimed in claim 1 , further comprising: a restriction part configured to limit use of functions of the document input and output device, wherein the restriction part limits a function of sending a facsimile of the protected document with respect to one or more sender.