US 8,045,195 B2 · Image forming apparatus and image forming system · patentgrep

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Abstract

An image forming system is supplied which is able to prevent the record medium from being taken by other people and to improve the secrecy performance of image data. In the system, an image processing apparatus has an storing section that stores image data to form image, a reading section that reads out the identification information from a carriable medium, an encryption executing section that executes an encryption of the image data based on the identification information, and a transmitting section that transmits the encrypted image data to an image forming apparatus together with the identification information; and the image forming apparatus has a receiving section that receives the image data and the identification information, a reading section that reads out the identification information from the carriable medium, a judging section that judges the received image data based on the identification information, a decryption executing section that executes a decryption of the image data based on the identification information, and an image forming section that performs an image formation of the decrypted image data.

Claims22

Dependent claims

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium has a record medium finished with printing storing section to store identification information to identify the user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information by i) generating an encryption key based on the identification information read from the carriable medium;
and ii) encrypting the image data using the generated encryption key, and
a transmitting section that transmits the encrypted image data to the image forming apparatus together with the identification information;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the identification information from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information from the carriable medium,
a judging section that judges the received image data on the basis of the identification information read out,
a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and
an image forming section that performs an image formation of the decrypted image data onto record medium.

15 more elements

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium has a record medium finished with printing storing section to store identification information to identify the user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information, and
a transmitting section that transmits the encrypted image data to the image forming apparatus together with the identification information;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the identification information from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information from the carriable medium,
a judging section that judges the received image data on the basis of the identification information read out,
a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and
an image forming section that performs an image formation of the decrypted image data onto record medium,
wherein the image processing apparatus further has a random number generating section to generate a random number;
the encryption executing section has an encryption key generating portion that generates an encryption key on the basis of the identification information and the random number, and an encrypting portion that encrypts the image data on the generated encryption key;
the transmitting section transmits not only the identification information and the image data, but also the random number;
the decryption executing section has a decryption key generating section that generates a decryption key on the basis of the identification information read out and the random number received, and a decrypting section that decrypts the image data on the basis of the generated decryption key.

18 more elements

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium has a record medium finished with printing storing section to store identification information to identify the user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information, and
a transmitting section that transmits the encrypted image data to the image forming apparatus together with the identification information;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the identification information from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information from the carriable medium,
a judging section that judges the received image data on the basis of the identification information read out,
a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and
an image forming section that performs an image formation of the decrypted image data onto record medium,
wherein the image forming apparatus further has a forming apparatus side inputting and displaying section for making user manipulate and a forming apparatus side judgment controlling section for deleting the image data judged by the judging section,
when the identification information is read out by the forming apparatus side reading section, the forming apparatus side inputting and displaying section displays an inquiry scene for inquiring user whether to delete the image data or to perform an image formation with respect to the image data so as to make the user manipulate,
in the case that a deletion signal representing a deletion is outputted from the forming apparatus side inputting and displaying section, the forming apparatus side judgment controlling section deletes the image data without starting the decryption executing section to execute a decryption;
in the case that an image formation signal representing an image formation is outputted from the forming apparatus side inputting and displaying section, the forming apparatus side judgment controlling section controls the decryption executing section to execute a decryption.

18 more elements

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium has a record medium finished with printing storing section to store identification information to identify the user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information by i) generating an encryption key based on the identification information read from the carriable medium;
and ii) encrypting the image data using the generated encryption key, and
a transmitting section that transmits the encrypted image data to the image forming apparatus together with the identification information;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the identification information from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information from the carriable medium,
a judging section that judges the received image data on the basis of the identification information read out,
a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and
an image forming section that performs an image formation of the decrypted image data onto record medium,
wherein the image processing apparatus further has a processing apparatus side inputting and displaying section for making user select whether to encrypt the image data, and a processing apparatus side judgment controlling section that performs a warning with respect to the user when a non-encryption signal representing non-encryption is outputted from the processing apparatus side inputting and displaying section, and controls the encryption executing section to execute an encryption when an encryption signal representing encryption is outputted from the processing apparatus side inputting and displaying section.

16 more elements

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium previously store identification information to identify corresponding user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information,
a processing apparatus side result obtaining section that performs a predetermined calculation with respect to the identification information and obtains a calculation result corresponding to the identification information, and
a transmitting section that assigns the calculation result to the encrypted image data and transmits the encrypted image data and the calculation result to the image forming apparatus;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the calculation result from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information from the carriable medium,
a forming apparatus side result obtaining section that performs the predetermined calculation with respect to the identification information read out and obtains a calculation result corresponding to the identification information,
a judging section that judges the received image data on the basis of the obtained calculation result,
a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and
an image forming section that performs an image formation of the decrypted image data onto record medium.

16 more elements

An image forming system, comprising:

at least one image processing apparatus;
an image forming apparatus that is connected with the image processing apparatus via a communication line;
and
at least one carriable medium used for identifying a user using the image processing apparatus,
wherein the carriable medium previously store identification information to identify corresponding user using the image processing apparatus;
wherein the image processing apparatus has:
an image data storing section that stores image data to form an image,
a random number generating section that generates random number,
a processing apparatus side reading section that reads out the identification information from the carriable medium,
a writing section that writes the random number generated by the random number generating section into the carriable medium,
an encryption executing section that executes an encryption with respect to the image data at least on the basis of the random number in the identification information and the random number, and
a transmitting section that transmits the encrypted image data and the identification information to the image forming apparatus;
and
wherein the image forming apparatus has:
a receiving section that receives the image data and the identification information from the image processing apparatus,
a forming apparatus side reading section that reads out the identification information and the random number from the carriable medium,
a judging section that judges the received image data on the basis of the identification information read out,
a decryption executing section that executes a decryption with respect to the judged image data at least on the basis of the random number in the identification information and the random number that are read out, and
an image forming section that performs an image formation of the decrypted image data onto record medium.

16 more elements

Dependencies are inferred from the claim text.