Abstract: An image processing apparatus includes an edge detecting unit, a rectangular object detecting unit, and an arrangement processing unit. The edge detecting unit is configured to (a) search each target line in a page image that includes plural rectangular objects for edges of the plural rectangular objects, and (b) detect the edges of the plural objects on the target line on the basis of density variation between pixels in the target line. The rectangular object detecting unit is configured to (a) detect the plural rectangular objects on the basis of the detected edges, and (b) determine respective positions, respective sizes and respective tilt angles of the plural rectangular objects. The arrangement processing unit is configured to rotate areas of the plural rectangular objects specified by the determined positions, the determined sizes and the determined tilted angles by angles corresponding to the tilted angles, respectively.

Abstract: An image reading apparatus includes an image reading unit and an image analysis unit. The image reading unit reads images of a plurality of original documents in sequence so as to generate an image data group including a plurality of pieces of image data. The image analysis unit analyzes the image data group to identify a body text region representing a body text of the original document. The image analysis unit identifies a page number region based on a position of the identified body text region. The page number region represents a page number. The image analysis unit determines a first position relationship as a positional relationship between the body text region and the page number region. The image analysis unit detects a disarranged image. The disarranged image is an image of an original document having a second position relationship different from the determined first position relationship.

Abstract: An image processing apparatus includes an edge detecting unit, a rectangular object detecting unit, and an arrangement processing unit. The edge detecting unit is configured to (a) search each target line in a page image that includes plural rectangular objects for edges of the plural rectangular objects, and (b) detect the edges of the plural objects on the target line on the basis of density variation between pixels in the target line. The rectangular object detecting unit is configured to (a) detect the plural rectangular objects on the basis of the detected edges, and (b) determine respective positions, respective sizes and respective tilt angles of the plural rectangular objects. The arrangement processing unit is configured to rotate areas of the plural rectangular objects specified by the determined positions, the determined sizes and the determined tilted angles by angles corresponding to the tilted angles, respectively.

Abstract: An image forming apparatus has a sheet reading portion, an assimilation surveying portion, a color changing portion, and a printing portion. The sheet reading portion reads image data from a transparent sheet tinted with a predetermined color owned by a user. The assimilation surveying portion looks for, out of printable colors, a particular color that assimilates to the color of the read image data. The color changing portion changes, out of the data of a predetermined document accepted from the user, the color of the data of a concealable character, which is a character concealed when overlaid with the transparent sheet, to the found particular color. The printing portion prints, out of the data of the document, the data of the concealable character in the particular color.

Abstract: An image forming apparatus includes a punch hole detection section, a position calculating section, an image adding section, and an image forming section. The punch hole detection section analyzes image data of a scan image obtained through scanning of an original document to detect two punch hole images. The position calculating section calculates a midpoint between the two punch hole images in the scan image when the two punch hole images are detected. The image adding section adds image data of a midpoint indicating image to the image data of the scan image so that the midpoint indicating image is added to the scan image at a position corresponding to the midpoint. The image forming section performs image formation on a sheet based on the image data of the scan image to which the image data of the midpoint indicating image has been added.

Abstract: A semiconductor integrated circuit includes an identification information storage, an intermediate clock generator and an operating clock generator. The identification information storage stores identification information of the semiconductor integrated circuit. The intermediate clock generator generates an intermediate clock having a frequency higher than that of a reference clock using the reference clock input to the semiconductor integrated circuit from the outside of the semiconductor integrated circuit. The operating clock generator generates the operating clock having a frequency higher than that of the reference clock and lower than that of the intermediate clock in synchronization with a timing allotted according to the identification information stored in the identification information storage, using the intermediate clock.

Abstract: An image forming apparatus has a sheet reading portion, an assimilation surveying portion, a color changing portion, and a printing portion. The sheet reading portion reads image data from a transparent sheet tinted with a predetermined color owned by a user. The assimilation surveying portion looks for, out of printable colors, a particular color that assimilates to the color of the read image data. The color changing portion changes, out of the data of a predetermined document accepted from the user, the color of the data of a concealable character, which is a character concealed when overlaid with the transparent sheet, to the found particular color. The printing portion prints, out of the data of the document, the data of the concealable character in the particular color.

Abstract: An image forming apparatus includes a determination section, acquisition section, generation section, notification section, and a management section. The determination section determines, when receiving a print job from a predetermined terminal apparatus via a network, whether or not the print job is a private print job. If the print job is a private print job, the acquisition section acquires, from another image forming apparatus coupled to the image forming apparatus to communicate with the image forming apparatus, information regarding the another image forming apparatus. The generation section generates a one time password on the basis of the acquired information. The notification section notifies the terminal apparatus of the generated one time password. The management section manages the generated one time password in association with the private print job and, when receiving the one time password from a user, executes the private print job associated with the one time password.

Abstract: An image processing apparatus displays a menu indicating one or more settings pertaining to image adjustment processing and a unique marker corresponding to a currently selected setting in the menu. A portable terminal detects the marker as depicted in a captured image that has been captured by an image capturing device and displays a screen indicating an effect of performing the image adjustment processing in accordance with a setting corresponding to the marker.

Abstract: An image forming apparatus includes a determination section, an acquisition section, a generation section, a notification section, and a management section. The determination section determines, when receiving a print job from a predetermined terminal apparatus via a network, whether or not the print job is a private print job. If the print job is a private print job, the acquisition section acquires, from another image forming apparatus coupled to a self-apparatus to communicate with the self-apparatus, information regarding the another image forming apparatus. The generation section generates a one time password on the basis of the acquired information. The notification section notifies the terminal apparatus of the generated one time password. The management section manages the generated one time password in association with the private print job and, when receiving the one time password from a user, executes the private print job associated with the one time password.

Abstract: An image forming apparatus includes a punch hole detection section, a position calculating section, an image adding section, and an image forming section. The punch hole detection section analyzes image data of a scan image obtained through scanning of an original document to detect two punch hole images. The position calculating section calculates a midpoint between the two punch hole images in the scan image when the two punch hole images are detected. The image adding section adds image data of a midpoint indicating image to the image data of the scan image so that the midpoint indicating image is added to the scan image at a position corresponding to the midpoint. The image forming section performs image formation on a sheet based on the image data of the scan image to which the image data of the midpoint indicating image has been added.

Abstract: An image forming apparatus has a trial printing mode in which, when printing of a plurality of sheets of an image of a read document is requested, one sheet is printed first, the printing is interrupted once, and then the remaining sheets are printed after the interruption of the printing is released. The image forming apparatus has an image reading device, a printing unit, a judgment unit, and a control unit. The image reading device reads an image of a document. The printing unit prints an image on paper. The judgment unit judges whether or not an image read by the image reading device is outside an image formation region of paper to be printed by the printing unit. When the judgment unit judges that the image is outside the image formation region of the paper, the control unit controls the image forming apparatus to enter the trial printing mode.

Abstract: An image processing apparatus displays a menu indicating one or more settings pertaining to image adjustment processing and a unique marker corresponding to a currently selected setting in the menu. A portable terminal detects the marker as depicted in a captured image that has been captured by an image capturing device and displays a screen indicating an effect of performing the image adjustment processing in accordance with a setting corresponding to the marker.

Abstract: A semiconductor integrated circuit includes an identification information storage, an intermediate clock generator and an operating clock generator. The identification information storage stores identification information of the semiconductor integrated circuit. The intermediate clock generator generates an intermediate clock having a frequency higher than that of a reference clock using the reference clock input to the semiconductor integrated circuit from the outside of the semiconductor integrated circuit. The operating clock generator generates the operating clock having a frequency higher than that of the reference clock and lower than that of the intermediate clock in synchronization with a timing allotted according to the identification information stored in the identification information storage, using the intermediate clock.

Abstract: An image forming apparatus has a sheet feeding portion feeding a sheet; a conveyance passage for conveying the sheet inside the apparatus; an image forming portion forming an image on the sheet; a skewing detector disposed in the conveyance passage between the sheet feeding portion and the image forming portion, detecting arrival and departure of the sheet, and detecting skewing amount of the sheet in the conveyance passage; a display portion displaying an apparatus state; a storage portion storing data; and a control portion controlling sheet feeding and conveying, and grasping the sheet skewing amount based on the output of the skewing detector to stop printing when the skewing amount is at or above a first predetermined amount stored in the storage portion.

Abstract: An image forming apparatus has a sheet feeding portion feeding a sheet; a conveyance passage for conveying the sheet inside the apparatus; an image forming portion forming an image on the sheet; a skewing detector disposed in the conveyance passage between the sheet feeding portion and the image forming portion, detecting arrival and departure of the sheet, and detecting skewing amount of the sheet in the conveyance passage; a display portion displaying an apparatus state; a storage portion storing data; and a control portion controlling sheet feeding and conveying, and grasping the sheet skewing amount based on the output of the skewing detector to stop printing when the skewing amount is at or above a first predetermined amount stored in the storage portion.

Abstract: A software authentication device for an image forming device is disclosed that includes a key code read-out unit that reads out a predetermined key code from a hardware key storing the key code, a determination unit that determines whether the key code read out is authentic or not, and a first authentication unit that activates a software application installed in the device if it is determined that the key code is authentic. The software authentication device includes a hardware-key invalidating unit that erases or alters the key code stored in the hardware key if the determination unit determines that the key code is authentic.