US20100115608A1 - Image processing apparatus, control method therefor, and computer-readable storage medium storing program for implementing the method - Google Patents

Image processing apparatus, control method therefor, and computer-readable storage medium storing program for implementing the method Download PDF

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Publication number
US20100115608A1
US20100115608A1 US12/611,450 US61145009A US2010115608A1 US 20100115608 A1 US20100115608 A1 US 20100115608A1 US 61145009 A US61145009 A US 61145009A US 2010115608 A1 US2010115608 A1 US 2010115608A1
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United States
Prior art keywords
user
logged
predetermined function
information
users
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US12/611,450
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English (en)
Inventor
Hiroshi Uchikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Assigned to CANON KABUSHIKI KAISHA reassignment CANON KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UCHIKAWA, HIROSHI
Publication of US20100115608A1 publication Critical patent/US20100115608A1/en
Priority to US13/526,190 priority Critical patent/US10061931B2/en
Priority to US16/048,718 priority patent/US20180336358A1/en
Priority to US17/366,283 priority patent/US20210334394A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/4426—Restricting access, e.g. according to user identity involving separate means, e.g. a server, a magnetic card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G06F21/608—Secure printing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H04N1/00244—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server with a server, e.g. an internet server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/4413—Restricting access, e.g. according to user identity involving the use of passwords, ID codes or the like, e.g. PIN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/4433—Restricting access, e.g. according to user identity to an apparatus, part of an apparatus or an apparatus function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2149—Restricted operating environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0034—Details of the connection, e.g. connector, interface
    • H04N2201/0037—Topological details of the connection
    • H04N2201/0039—Connection via a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception

Definitions

  • the present invention relates to an image processing apparatus, such as a multifunction peripheral, a control method therefor, and a computer-readable storage medium storing a program for implementing the method.
  • Prior Art 1 There exists a configuration for the user session management, such that when the user logs in as a different user, all the information related to the user (for example, a user profile including a user name, a user's mail address and the like, and user authority) is completely switched (hereinafter this configuration will be referred to as Prior Art 1).
  • this configuration will be referred to as Prior Art 1.
  • the user who has logged in is automatically caused to log out (for example, see Japanese Laid-Open Patent Publication (Kokai) No. H11-25040).
  • Prior Art 2 There exists another configuration for the user session management only re-evaluating the user authority of the user information about the user who has already logged in while maintaining the user profile of the user information such as the user name, the user's mail address (hereinafter this configuration will be referred to as Prior Art 2).
  • Prior Art 2 As a re-evaluation method in this case, it is common that the user authority held by the user who has logged in later is added to the user authority held by the user who has logged in earlier.
  • FIG. 16 is a timing chart showing the user session management of Prior Art 1.
  • Reference numeral 4001 in FIG. 16 indicates a user profile including a user name, a user's mail address and the like to be actually applied in a user session.
  • Reference numeral 4002 indicates the user authority of a user who has currently logged in.
  • Reference numeral 4003 indicates login user information which an image forming apparatus stores in association with a user session to determine the contents of the user profile 4001 and the user authority 4002 .
  • FIG. 17 is a tabular form diagram showing settings for the user profiles and user authorities of users A and B to be used in FIG. 16 .
  • Prior Art 1 when a user inputs user information on a login screen at time t 401 , a process of logging in as the user A is executed. Since the user A is permitted to execute color copying in the setting information in FIG. 17 , he can execute color copying.
  • Prior Art 1 adopts the configuration in which, when a new user logs in, a user who has already logged in is caused to log out.
  • a function which can be used as a certain user cannot be used after a process of logging in as a different user is performed.
  • the user has to log in again.
  • FIG. 18 is a timing chart showing the user session management of Prior Art 2.
  • Reference numerals 6001 to 6003 in FIG. 18 indicate the same as indicated by reference numerals 4001 to 4003 in FIG. 16 . It is assumed that the settings for the user profiles and user authorities of users A and B in the example of FIG. 18 are similar to those in the example of FIG. 17 .
  • Prior Art 2 the user authority is re-evaluated so that, if an item is permitted to any of a user who has logged in earlier or a user who logs in later, the item is permitted. Therefore, it does not happen that a function which can be used as a certain user cannot be used after a process of logging in as a different user is performed, thereby improving the usability in comparison with Prior Art 1.
  • the present invention provides an image processing apparatus capable of reducing the frequency of a user's inputting work for authentication information to improve the convenience, in a system which restricts access to jobs and resources depending on a user who has logged in, a control method therefor, and a computer-readable storage medium storing a program for implementing the method.
  • an image processing apparatus enabling a user who has logged in to multiply log in as a different user to execute a predetermined function
  • the image processing apparatus comprising a user authentication unit adapted to perform authentication of a user, an access restriction unit adapted to restrict access to a predetermined function depending on the user the authentication of which is performed by the user authentication unit, a management unit adapted to manage user information about the user who has multiply logged in, for each login independently, a confirmation unit adapted to confirm the number of logged-in users by referring to the user information managed by the management unit when the predetermined function is to be executed, a first setting unit adapted to, when the number of the logged-in users is one as a result of the confirmation by the confirmation unit, set the logged-in user as an executor of the predetermined function, and a second setting unit adapted to, when the number of the logged-in users is two or more as a result of the confirmation by the confirmation unit, cause the user to select one of the logged
  • a control method enabling a user who has logged in to multiply log in as a different user to execute a predetermined function
  • the image processing apparatus comprising a user authentication unit adapted to perform authentication of a user, an access restriction unit adapted to restrict access to a predetermined function depending on the user the authentication of which is performed by the user authentication unit, a management unit adapted to manage at least user type information about user classification, username information about a username, and user authority information about the access restriction as user information about the user who has multiply logged in, for each login, and a determination unit adapted to determine whether or not to permit the logged-in user to log in as the different user according to the user type information about the logged-in user.
  • a control method for an image processing apparatus enabling a user who has logged in to multiply log in as a different user to execute a predetermined function, the method comprising a user authentication step of authenticating a user, an access restriction step of restricting access to a predetermined function depending on the user the authentication of which is performed in the user authentication step, a management step of managing user information about the user who has multiply logged in, for each login independently, a confirmation step of confirming the number of logged-in users by referring to the user information managed in the management step when the predetermined function is to be executed, a first setting step of, when the number of the logged-in users is one as a result of the confirmation in the confirmation step, setting the logged-in user as an executor of the predetermined function, and a second setting step of, when the number of the logged-in users is two or more as a result of the confirmation in the confirmation step, causing the user to select one of the logged-in users to set the selected
  • a control method for an image processing apparatus enabling a user who has logged in to multiply log in as a different user to execute a predetermined function, the method comprising a user authentication step of authenticating a user, an access restriction step of restricting access to a predetermined function depending on the user the authentication of which is performed in the user authentication step, a management step of managing at least user type information about user classification, username information about a username, and user authority information about the access restriction as user information about the user who has multiply logged in, for each login, and a determination step of determining whether or not to permit the logged-in user to log in as the different user according to the user type information about the logged-in user.
  • a computer-readable storage medium storing a computer-readable program for implementing a control method for an image processing apparatus enabling a user who has logged in to multiply log in as a different user to execute a predetermined function
  • the method comprises a user authentication step of authenticating a user, an access restriction step of restricting access to a predetermined function depending on the user the authentication of which is performed in the user authentication step, a management step of managing user information about the user who has multiply logged in, for each login independently, a confirmation step of confirming the number of logged-in users by referring to the user information managed in the management step when the predetermined function is to be executed, a first setting step of, when the number of the logged-in users is one as a result of the confirmation in the confirmation step, setting the logged-in user as an executor of the predetermined function, and a second setting step of, when the number of the logged-in users is two or more as a result of the confirmation in the confirmation step
  • a computer-readable storage medium storing a computer-readable program for implementing a control method for an image processing apparatus enabling a user who has logged in to multiply log in as a different user to execute a predetermined function
  • the method comprises a user authentication step of authenticating a user, an access restriction step of restricting access to a predetermined function depending on the user the authentication of which is performed in the user authentication step, a management step of managing at least user type information about user classification, username information about a username, and user authority information about the access restriction as user information about the user who has multiply logged in, for each login, and a determination step of determining whether or not to permit the logged-in user to log in as the different user according to the user type information about the logged-in user.
  • the present invention it is possible to reduce the frequency of a user's inputting work for authentication information, thus improving the convenience. Furthermore, a user can easily determine which user's user profile, among those of multiply logged-in users, a predetermined function is executed on the basis of.
  • FIG. 1 is a schematic diagram showing the configuration of a system including an image processing apparatus according to the present invention.
  • FIG. 2 is a block diagram showing the hardware configuration of the image processing apparatus.
  • FIG. 3 is a block diagram showing the software configuration of the image processing apparatus.
  • FIG. 4 is a timing chart showing user session management according to a first embodiment of the present invention.
  • FIG. 5 is a diagram showing a login screen according to the first embodiment.
  • FIG. 6 is a diagram showing a menu screen used in the first embodiment.
  • FIG. 7 is a diagram showing a login screen to be displayed when authority lacks, which is used in the first embodiment.
  • FIG. 8 is a diagram showing an execution user selection screen used in the first embodiment.
  • FIG. 9 is a flowchart showing a procedure for characteristic processing according to the first embodiment.
  • FIG. 10 is a timing chart showing user session management according to a second embodiment of the present invention.
  • FIG. 11 is a tabular form diagram showing settings for user profiles and user authorities used in FIG. 10 .
  • FIG. 12 is a diagram showing a menu screen used in the second embodiment.
  • FIG. 13 is a diagram showing a login screen to be displayed when authority lacks, which is used in the second embodiment.
  • FIG. 14 is a diagram showing an error screen used in the second embodiment.
  • FIG. 15 is a flowchart showing a procedure for processing according to the second embodiment.
  • FIG. 16 is a timing chart showing the user session management of Prior Art 1.
  • FIG. 17 is a tabular form diagram showing settings for user profiles and user authorities used in FIG. 16 .
  • FIG. 18 is a timing chart showing the user session management of Prior Art 2.
  • FIG. 1 is a schematic diagram showing the configuration of a system including an image processing apparatus according to the present invention.
  • This system is configured by a server PC (personal computer) 1000 , a user information server apparatus 1001 , a ticket issuing server apparatus 1002 , a client PC 1003 , and an image processing apparatus 1004 which are connected with each other on a network.
  • This system is a print management system which performs restriction of access by users who use the devices and restriction of execution of jobs, such as restriction of the number of prints. It should be noted that the users here include individual users, divisions, organizations and the like.
  • a system administrator utility operates so that the server PC 1000 can perform setting and management of this system.
  • the server PC 1000 can set function restriction information, more specifically access control entry (hereinafter referred to as ACE), to the user information server apparatus 1001 .
  • the user information server apparatus 1001 hold user information such as user IDs and passwords, and further hold function restriction information lists, more specifically access control lists (hereinafter referred to as ACL), which are a set of ACEs, indicating which functions are permitted to each of the users and the devices in the system.
  • ACL access control lists
  • the ticket issuing server apparatus 1002 issues a ticket on which information about available functions are described, on the basis of the ACL stored in the user information server apparatus 1001 .
  • the client PC 1003 is in an available state in this system after login is performed. Specifically, after the login is performed, it is possible to use a printer driver for the image processing apparatus 1004 on the client PC 1003 , and it is known on the server PC 1000 which user is using the client PC.
  • the image processing apparatus 1004 is, for example, a multifunctional copying machine.
  • the image processing apparatus 1004 has not only a function of copying an original paper document but also a function of printing print data sent from an external printer driver and a function of reading an original paper document and transmitting its image data to an external file server or a mail address (a send function). Furthermore, the image processing apparatus 1004 also has a function of transmitting data to another image processing apparatus so as to print the data on the another image processing apparatus to be transmitted (a remote copy function and a facsimile function) and the like.
  • an ACT 1005 is data containing information on functions which a user can execute on the image processing apparatus 1004 and function restriction information about the image processing apparatus 1004 , thus the ACT 1005 can play a role of transferring the information from a server to a device.
  • the server PC 1000 , the user information server apparatus 1001 , the ticket issuing server apparatus 1002 , and the client PC 1003 described above are connected with each other via Ethernet (registered trademark).
  • Ethernet registered trademark
  • All the connected devices of the server PC 1000 , the user information server apparatus 1001 , the ticket issuing server apparatus 1002 , and the client PC 1003 , except the image processing apparatus 1004 may be integrated into the same computer.
  • the server PC 1000 , the user information server apparatus 1001 , the ticket issuing server apparatus 1002 , and the client PC 1003 may be implemented into the image processing apparatus 1004 so that the system is configured only by the image processing apparatus 1004 .
  • FIG. 2 is a block diagram showing the hardware configuration of the image processing apparatus 1004 .
  • a controller unit 2000 performs input/output of image information or device information by being connected to a scanner 2070 , which is an image input device, or a printer 2095 , which is a image output device, while being connected to a network 1008 or a public circuit 1009 .
  • a CPU 2001 is a controller which controls the whole image processing apparatus 1004 .
  • a RAM 2002 is a system work memory used for the CPU 2001 to operate. The RAM 2002 is also an image memory for temporarily storing image data.
  • a ROM 2003 is a boot ROM, in which the boot program of the system is stored.
  • An HDD 2004 is a hard disk drive, in which system software, applications, and image data are stored.
  • An operation section I/F 2006 is an interface section interfacing with an operation section 2012 provided with a touch panel, and the operation section I/F 2006 outputs image data to be displayed on the operation section 2012 , to the operation section 2012 . Furthermore, the operation section I/F 2006 has a role of communicating information inputted from the operation section 2012 by the user of this system, to the CPU 2001 .
  • a network I/F 2010 is connected to the network 1008 to input/output information.
  • a modem 2050 is connected to the public circuit 1009 to input/output information.
  • An SRAM 2100 is a non-volatile storage medium capable of operating at a high speed.
  • An RTC 2110 is a real-time clock, and it performs processing for continuing counting time even when the controller unit 200 is not powered on.
  • the devices described above are arranged on a system bus 2007 .
  • An image bus I/F 2005 is a bus bridge which connects the system bus 2007 and an image bus 2008 , which transfers image data at a high speed, to convert a data structure of the image data.
  • the image bus 2008 is configured by a PCI bus or an IEEE1394 bus. The devices described below are arranged on the image bus 2008 .
  • An RIP 2060 is a raster image processor which develops a PDL code into a bitmap image.
  • a device I/F section 2020 connects the scanner 2070 and the printer 2095 , which are image input and output devices, and the controller unit 2000 to synchronous/asynchronous conversion of image data.
  • a scanner image processing section 2080 performs correction, processing, and editing of inputted image data.
  • a printer image processing section 2090 performs correction, resolution conversion, and the like of a printer for print output image data.
  • An image rotation section 2030 rotates image data.
  • An image compression/expansion section 2040 performs compression/expansion processing.
  • FIG. 3 is a block diagram showing the software configuration of the image processing apparatus 1004 .
  • the software is implemented into the controller unit 2000 included in the image processing apparatus. 1004 .
  • the software included in the image processing apparatus 1004 and processed by the controller unit 2000 is implemented as so-called firmware, and it is executed by the CPU 2001 .
  • a real-time OS 3001 is a real-time operating system, and it provides various resource management services and their frameworks optimized for control of an embedded system, to software operating thereon.
  • a controller platform 3002 is configured by a file system 3003 , a job/device control 3004 , a counter 3005 , and the like.
  • the file system 3003 is a mechanism for storing data which is constructed on a storage device, such as the HDD 2004 and the RAM 2002 .
  • the job/device control 3004 controls the hardware of the image processing apparatus 1004 , and it also controls jobs which use basic functions (printing, scanning, communication, image conversion, and the like) provided mainly by the hardware of the image processing apparatus 1004 .
  • the counter 3005 manages the expiration date for each application and counter values of printing and scanning, which are stored in the SRAM 2100 .
  • a system service 3006 is a module for monitoring the operation state of the image processing apparatus 1004 or downloading software or license from a software distribution server 1006 (see FIG. 2 ) via the network 1008 .
  • An application platform 3007 is middleware for causing the mechanisms of the real-time OS 3001 and the controller platform 3002 to be available from a system application 3008 or applications 3012 , 3013 and 3014 which can be added.
  • the system application 3008 is configured by application management 3009 , user session management 3010 , and access management 3011 .
  • the application management 3009 is a management module for causing the applications 3012 , 3013 and 3014 to be installed, uninstalled, activated, and stopped.
  • the user session management 3010 is a module for managing user information about a user who has been multiply logged in, for each login independently. That is, it is a module for managing user profiles and user authorities in response to login/logout by the user.
  • the access management 3011 is a security module for permitting or prohibiting access to various jobs and resources on the basis of the user authorities in the user session management 3010 .
  • the application 3012 is application software which realizes various business models using functions provided by the application platform 3007 .
  • FIG. 4 is a timing chart showing the user session management according to the first embodiment of the present invention.
  • the user session management of this embodiment is executed by the CPU 2001 of the image processing apparatus 1004 as the function of the user session management 3010 and the access management 3011 .
  • Reference numerals 7001 to 7003 in FIG. 4 indicate the same as indicated by reference numerals 4001 to 4003 in FIG. 16 . It is assumed that the settings for the user profiles and user authorities of users A and B are the same as those shown in FIG. 17 .
  • a menu screen ( FIG. 6 ) is displayed on the operation section 2012 .
  • a login user display area 9005 is arranged at the lower part of a main menu 9000 in FIG. 6 , and it is displayed that a function is being executed by the user A at this time point. Since the user A is permitted to execute a color copying function in the setting information in FIG. 17 , he can execute color copying when a color copying function 9001 in FIG. 6 is selected.
  • the screen returns to the main menu 9000 .
  • the access management 3011 check the user authority of the user A to determines whether or not the user A is permitted to execute the network management function. Since the user A is prohibited to execute the network management function in the setting information in FIG. 17 , the access management 3011 notifies the user session management 3010 to that effect. In response to this, the user session management 3010 displays a login screen 9050 ( FIG. 7 ) requesting user authentication as a user permitted to execute the function.
  • the user session management 3010 changes the user profile 7001 to that of the user B as indicated by reference numeral 7021 in FIG. 4 , and the user authority 7002 to that of the user B as indicated by reference numeral 7022 in FIG. 4 .
  • information related to the user A continues to be held in the login user information 7003 without being discarded nor changed.
  • the screen returns to the main menu 9000 .
  • the access management 3011 checks the user authorities of the users A and B who have logged in to determine whether or not either one of the users are permitted to execute the color copying function. Since only the user A is permitted to execute color copying function in the setting information in FIG. 17 , the access management 3011 notifies the user session management 3010 to that effect. In response to this, the user session management 3010 changes the user profile 7001 to that of the user A as indicated by reference numeral 7023 in FIG.
  • the screen returns to the main menu 9000 .
  • the access management 3011 checks the user authorities of the users A and B who have logged in to determine whether or not either one of the users are permitted to execute the fax function. Since both users are permitted to execute the fax function in the setting information in FIG. 17 , the access management 3011 notifies the user session management 3010 to that effect. In responses to this, the user session management 3010 displays an execution user selection screen 9060 in FIG. 8 .
  • the user selects, for example, the user B as an execution user who is an executor to execute the fax function, on the execution user selection screen 9060 .
  • the user session management 3010 performs the processing as described below on the basis of information related to the user B which has been held in the login user information 7003 . That is, the user profile 7001 is changed to that of the user B as indicated by reference numeral 7025 in FIG. 4 , and the user authority 7002 is changed to that of the user B as indicated by reference numeral 7026 in FIG. 4 again.
  • it is displayed in the login user display area 9005 that the fax function is being executed by the user B, between the users A and B who have been multiply logged in.
  • FIG. 9 is a flowchart showing a procedure for the characteristic processing according to the first embodiment.
  • execution user information is determined automatically or in accordance with user selection, when a function is selected, and this processing is executed by the CPU 2001 of the image processing apparatus 1004 as the function of the user session management 3010 and the access management 3011 .
  • the access management 3011 determines whether or not the number of logged-in users permitted to execute the selected function is two or more, in the next step S 122 . If the number of such users is not two or more, the user session management 3010 automatically selects the only one user permitted to execute the selected function as an execution user, in step S 123 . Then, the process proceeds to the next step S 126 .
  • the user session management 3010 displays the execution user selection screen 9060 ( FIG. 8 ) in step S 124 . Then, in the next step S 125 , a user to execute the selected function is determined on the basis of the result of the selection made by the user on the execution user selection screen 9060 . Then, the process proceeds to the next step S 126 .
  • step S 122 to step S 126 via step S 123 is the processing as described below. That is, when the number of users permitted to execute the selected function is only one, the user is automatically selected as a user to execute the selected function, without prompting reselection from a list of logged-in users, even if the number of the logged-in user is two or more.
  • step S 126 the user session management 3010 determines whether or not the execution user determined by the above procedure is the same as the current execution user. If the execution user is the same, the process immediately proceeds to step S 129 , where the application 3012 executes the selected function. If the execution user is not the same, the user session management 3010 changes the user profile to that of the determined execution user in step S 127 , and further changes the user authority to that of the determined execution user in step S 128 . Then, in step S 129 , the selected function is executed.
  • the login user display area 9005 is provided so that it is displayed which of logged-in users a predetermined function is executed by. Thereby, it is possible for the user to easily determine which user's user profile, among those of the logged-in users, an operation for executing a function is performed on the basis of.
  • the basic configuration of the second embodiment is similar to that described with reference to FIGS. 1 to 3 in the above first embodiment. A characteristic part of the second embodiment will be described below.
  • FIG. 10 is a timing chart showing user session management according to the second embodiment of the present invention.
  • the user session management of this embodiment is executed by the CPU 2001 of the image processing apparatus 1004 as the function of the user session management 3010 and the access management 3011 .
  • Reference numerals 5001 to 5003 in FIG. 10 indicate the same as indicated by reference numerals 4001 to 4003 in FIG. 16 .
  • FIG. 11 is a tabular form diagram showing settings for the user profiles and user authorities of users A and B used in FIG. 10 .
  • user type information 8001 indicting the type (classification) of user is registered as a user profile, as is distinct from the example in FIG. 17 used in the first embodiment.
  • the user types include, for example, an anonymous user and a real-name user.
  • the anonymous user is a special user used by an unspecified large number of persons.
  • the anonymous user does not have user identification elements, such as username information about the name of the user and a mail address.
  • the real-name user is a user who has such user identification elements.
  • a menu screen ( FIG. 12 ) is displayed on the operation section 2012 .
  • a login user display area 9015 is arranged at the lower part of a main menu 9010 , and it is displayed that a function is being executed by the anonymous user at this time point. Since the anonymous user is permitted to execute the color copying function in setting information in FIG. 11 , he can execute a color copying function 9011 . It should be noted that login as the anonymous user may be automatically performed when the image processing apparatus 1004 is activated.
  • the screen returns to the main menu 9010 .
  • the access management 3011 checks the user authority of the anonymous user to determine whether or not the anonymous user is permitted to execute network management function. Since the anonymous user is prohibited to execute the network management function in the setting information in FIG. 11 , the access management 3011 notifies the user session management 3010 to that effect. In response to this, the user session management 3010 displays a login screen 9070 ( FIG. 13 ) requesting authentication of an authorized user.
  • the user session management 3010 changes the user profile 5001 to that of the user B as indicated by reference numeral 5021 in FIG. 10 , and changes the user authority 5002 so that all of the items, each of which has been permitted to either of the anonymous user and the user B, are changed to be “permitted” as indicated by reference numeral 5022 in FIG. 10 .
  • it is displayed in the login user display area 9015 that the function is being executed by the user B.
  • the screen returns to the main menu 9010 .
  • the access management 3011 checks the user authorities of the the currently logged-in users regarding to determine whether or not either of the users are permitted to execute the color copying function. Since the currently logged-in user is permitted to execute color copying in the user authority indicated by reference numeral 5022 in FIG. 10 , he can execute the color copying function without the need for displaying the login screen 9070 again. Furthermore, it is displayed in the login user display area 9015 that the function is being executed by the user B, without any change being made in the login user display area 9015 .
  • the screen returns to the main menu 9010 .
  • the access management 3011 checks the user authorities of the currently logged-in users to determine whether or not either of the users are permitted to execute the fax function. Since the currently logged-in user is not permitted to execute the fax function in the user authority indicated by reference numeral 5022 in FIG. 10 , it is notified to the user session management 3010 . In responses to this, the user session management 3010 displays an error screen 9080 ( FIG. 14 ) notifying that it is not possible to change the user. This is because, in the second embodiment, further authentication is prohibited when login as the real-name user has been performed. The user profile 5001 and the user authority 5002 are never changed.
  • the error screen 9080 ( FIG. 14 ) notifying that it is impossible to change the user is displayed similarly.
  • FIG. 15 is a flowchart showing a procedure for the processing according to the second embodiment.
  • This processing is processing for determining whether or not to cause authentication to be performed again depending on the user type of a logged-in user when authority lacks, and it is executed by the CPU 2001 of the image processing apparatus 1004 as the function of the user session management 3010 and the access management 3011 .
  • step S 131 the access management 3011 determines whether or not the logged-in user is permitted to execute the selected function, in step S 132 . If it is determined that the user is permitted to execute the selected function, the process proceeds to step S 141 , where the application 3012 executes the selected function. On the other hand, if it is determined that the user is not permitted to execute the selected function, the user session management 3010 determines whether or not the logged-in user is an anonymous user, in step S 133 . If it is determined that the user is not an anonymous user, the process proceeds to step S 134 , where the error screen 9080 ( FIG. 14 ) is displayed.
  • step S 135 the login screen 9070 ( FIG. 13 ) is displayed.
  • step S 136 input of authentication information is received from the user. It is determined in step S 137 whether or not the received authentication information is correct. If it is not correct, the process returns to the processing of step S 135 .
  • the access management 3011 determines whether or not a newly logged-in real-name user is permitted to execute the selected function on the basis of the received authentication information in step S 138 . If the real-name user is not permitted to execute the selected function, the process returns to step S 135 .
  • the user session management 3010 overwrites the user profile with that of the newly logged-in user, in step S 139 . Then, the user authority information is merged in step S 140 , and the selected function is executed in step S 141 .
  • the present invention may also be accomplished by supplying a system or an apparatus with a storage medium in which a program code of software, which realizes the functions of either of the above described embodiments is stored, and causing a computer (or CPU or MPU) of the system or apparatus to read out and execute the program code stored in the storage medium.
  • the program code itself read from the storage medium realizes the functions of either of the above described embodiments, and therefore the program code and the storage medium in which the program code is stored constitute the present invention.
  • Examples of the storage medium for supplying the program code include a floppy (registered trademark) disk, a hard disk, a magnetic-optical disk, a CD-ROM, a CD-R, a CD-RW, a DVD-ROM, a DVD-RAM, a DVD-RW, a DVD+RW, a magnetic tape, a nonvolatile memory card, and a ROM.
  • the program may be downloaded via a network.

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US20180336358A1 (en) 2018-11-22
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