US20100231964A1 - Image processing system and image processing apparatus and method - Google Patents

Image processing system and image processing apparatus and method Download PDF

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Publication number
US20100231964A1
US20100231964A1 US12/719,701 US71970110A US2010231964A1 US 20100231964 A1 US20100231964 A1 US 20100231964A1 US 71970110 A US71970110 A US 71970110A US 2010231964 A1 US2010231964 A1 US 2010231964A1
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United States
Prior art keywords
image processing
information
processing apparatus
scan
scanner
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Abandoned
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US12/719,701
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English (en)
Inventor
Akira Watanabe
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Canon Inc
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Canon Inc
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Assigned to CANON KABUSHIKI KAISHA reassignment CANON KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WATANABE, AKIRA
Publication of US20100231964A1 publication Critical patent/US20100231964A1/en
Priority to US13/688,052 priority Critical patent/US8634098B2/en
Abandoned legal-status Critical Current

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    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33346—Mode signalling or mode changing; Handshaking therefor adapting to a particular standardised protocol
    • 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
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • H04N1/00222—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of image data generation or reproduction, e.g. scan-to-email or network printing
    • 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
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • 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
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • H04N1/00222—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of image data generation or reproduction, e.g. scan-to-email or network printing
    • H04N1/00225—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of image data generation or reproduction, e.g. scan-to-email or network printing details of image data generation, e.g. scan-to-email or network scanners
    • 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
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00408—Display of information to the user, e.g. menus
    • H04N1/00413—Display of information to the user, e.g. menus using menus, i.e. presenting the user with a plurality of selectable options
    • H04N1/00416—Multi-level menus
    • 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
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00482—Output means outputting a plurality of job set-up options, e.g. number of copies, paper size or resolution
    • 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
    • H04N1/00912—Arrangements for controlling a still picture apparatus or components thereof not otherwise provided for
    • H04N1/00925—Inhibiting an operation

Definitions

  • the present invention relates to an image processing system with a push-scan function, and an image processing apparatus and an image processing method.
  • WSD is a standard specification defined for meeting requests for various services using those devices.
  • WSD basically uses a web service architecture and provides a standardized communication protocol set, printing services and scan services.
  • WSD applies a standard communication protocol set over a network for allowing interconnection between devices based on a web service.
  • WSD defines the components of a Web Services For Devices, including device discovery (DISCOVERY), device information presentation (DESCRIPTION), device control (CONTROL), and device event notification (EVENTING).
  • PnP-X Plug And Play Extensions
  • PnP plug and play service in the past works when devices and a client PC are connected to various local I/O ports directly via cables and connectors.
  • a device transmits a model name (or device ID) or a manufacturer name (or vendor ID), a serial number and so on to a host PC.
  • the host PC may automatically install a device driver for using the device to the client.
  • Scan services are defined in Scan Service Definition Version 1.0 For WSD.
  • the WSD standard scan service defines commands and events for using the scan service in a language based on the format conforming to WSD.
  • the WSD standard scan service further defines two scanning forms of pull scan and push scan.
  • an image processing apparatus performs image processing (or scanning) in accordance with an event request command issued by a client PC.
  • image processing or scanning
  • pull scan image processing (or scanning) is performed when a client PC issues an event request command.
  • push scan the transmission of an event start command for push scan instructed by a user with a button or the like on an image processing apparatus triggers the issuance of the event request command from a client PC, and the image processing (or scanning) is performed.
  • Japanese Patent Laid-Open No. 2005-38016 discloses a technology that enables a client PC to identify a service which can be provided by a device connected to a client PC.
  • the data processing apparatus disclosed in Japanese Patent Laid-Open No. 2005-38016 includes an equipment information acquisition device that acquires the presence of devices such as a hard disk, a finisher and a duplex processor and detail information.
  • a WSDL file for the data processing apparatus is generated, and the generated WSDL file is transmitted to the information processing apparatus.
  • the connection of devices and the services that can be provided by the devices are detected, and the information is transmitted to the client PC. This enables the client PC to identify the services provided by the devices.
  • Japanese Patent Laid-Open No. 2005-38016 discloses the technology that, in a scanner that provides WSD standard scan services, enables a client PC to identify changes in services that can be provided by optional devices such as an ADF unit and a film guide based on the connection states of the devices.
  • WSD scan services define that the value of a parameter being an individual set value for a service that can be provided by a scanner is to be specified on the client PC side.
  • the scan parameter is not set on the client PC.
  • the scan request command issued by the client PC does not reflect the scan parameter set by the user.
  • an image processing system including a plurality of information processing apparatus and an image processing apparatus, the image processing apparatus having a first transmitting unit which generates first information describing an ability that the image processing apparatus has and transmits the first information to the plurality of information processing apparatus, a second transmitting unit which generates second information describing a parameter selected by a user as an ability of the image processing apparatus and transmits the second information to the plurality of information processing apparatus, a request-command transmitting unit which receives an instruction to start image processing from a user through the image processing apparatus and requests a start command for an event that instructs to start the image processing to the plurality of information processing apparatus, and an image processing unit which performs image processing in accordance with the instruction to start the image processing received from the plurality of information processing apparatus, and the plurality of information processing apparatus having a holding unit which holds the first information received from the image processing apparatus, an updating unit which updates information saved in the holding unit in accordance with the second information received from the image processing apparatus, and a start-command
  • the configuration allows push scan with the scan parameters specified by a user on a panel of a scanner.
  • FIG. 1 is a schematic diagram of a hardware configuration of a scanner.
  • FIG. 2 is a schematic diagram of a software configuration of the scanner.
  • FIG. 3 illustrates a schematic sequence of push scan in the past.
  • FIG. 4 illustrates a schematic sequence of push scan applying the present invention.
  • FIG. 5 illustrates a basic sequence of push scan applying the present invention.
  • FIGS. 6A to 6C illustrate selection screens for parameters to be displayed on a display portion.
  • FIG. 7 illustrates a schematic sequence of push scan applying the present invention.
  • FIG. 8 illustrates a basic sequence of push scan applying the present invention.
  • FIG. 9 is a system configuration diagram of an image processing system according to an embodiment of the invention.
  • the image processing apparatus is connected to a plurality of information processing apparatus (such as PCs equipped with Windows Vista as an OS) including WSD over a communication network and transmits and receives WSD commands to and from the information processing apparatus.
  • information processing apparatus such as PCs equipped with Windows Vista as an OS
  • FIG. 9 is a configuration diagram illustrating a system according to an embodiment of the present invention.
  • a plurality of information processing apparatus (illustrated as PCs 1 to 3 ) and an image processing apparatus (such as a scanner) may be connected via an Ethernet (registered trademark) cable 18 , for example.
  • the image processing apparatus may be a stand-alone scanner or a multifunctional peripheral integrally containing printer and/or facsimile functions. In the configuration with a stand-alone scanner, the information processing apparatus is connected to an image output apparatus, not shown, such as a printer so that scanned images can be printed.
  • FIG. 1 illustrates a network scanner according to an embodiment of the present invention.
  • a CPU 11 controls over the apparatus in accordance with a program for basic control, for example, stored in a ROM 12 .
  • a RAM 13 may be used as a work area for executing a program read from the ROM 12 , a buffer for data transmission and reception or a temporary buffer for image data generated in a reading device 16 .
  • An Ethernet (registered trademark) controller 17 receives and transmits commands for executing scanning to and from a client PC over a wired LAN network connected through Ethernet (registered trademark) defined by IEEE 802.3. The scanner further transmits image data to a client P.
  • the Ethernet (registered trademark) controller 17 includes a connector for an Ethernet (registered trademark) cable for supporting wired LAN communication and a controller responsible for interface control.
  • An Ethernet (registered trademark) cable 18 is connected to the connector for communication.
  • a wireless LAN PC card and a wireless controller may be added thereto in order to use a wireless LAN network defined by IEEE 802.11 A/B/G.
  • the Ethernet (registered trademark) controller 17 may include a PC card interface for connecting a PC card for supporting wireless LAN communication.
  • a scanner using, as a communication protocol, the WSD protocol that is a scan service.
  • the communication protocol (or method) to be used in WSD and the request form and response form relating to scanning are defined in the standards.
  • the ROM 12 stores a program for causing the reading device 16 to scan in accordance with the communication using WSD protocol scan service (or WSD scan service) that is the standard protocol.
  • WSD protocol scan service or WSD scan service
  • the reading device 16 reads a readable medium such as a document and a film mounted on a copy holder to generate image data.
  • the reading device 16 has a scanner head having a reading width corresponding to a maximum width that can be read. By scanning the scanner head, image data is generated.
  • An operation portion 15 is operated by a user to issue various instructions to the scanner.
  • the issuable instructions may include, for example, setting a scan parameter (such as a resolution, a reading range, and a detail of image processing) in causing the scanner to read a readable medium. Since the scan parameters depend on the specification of the scanner, detail parameters are settable if the scanner is capable of performing advanced image processing. Conversely, if the scanner is not internally capable of performing advanced image processing, a part of the image processing may be performed on a PC. In this case, a scan parameter required for image processing to be performed on a PC may only be set.
  • the destination (such as a PC and a printer connected over a network) of the read image data may be set.
  • An operating unit (such as a push scan button) may further be provided for starting scanning by causing the scanner to perform a reading operation.
  • the instructions to the scanner may be issued through the Ethernet (registered trademark) controller 17 from a PC, for example.
  • a display portion 14 notifies or displays various kinds of information to a user and includes an LCD, an LED and so on.
  • the information to be notified or displayed to a user may include the state of the scanner (such as a scanning state and an idle state) and a screen associated with an operation on the operation portion 15 , for example.
  • FIG. 2 illustrates a module configuration of programs stored in the ROM 12 in the network scanner according to an embodiment of the present invention illustrated in FIG. 1 .
  • the programs may be divided into an application layer 20 , a middleware layer 21 , and an operating system 22 for the scanner.
  • an OS starting processing 29 in the middleware layer 21 is called at the same time.
  • the OS starting processing sequentially starts the required module or modules in accordance with the starting state of the scanner.
  • the middleware layer 21 between the modules of the operating system 22 and application layer 20 performs communication control.
  • a LAN driver 30 , a TCP/IP module 27 and a UDP module 28 in the middleware layer 21 control the Ethernet (registered trademark) controller 17 so as to implement communication through TCP/IP or UDP.
  • the application layer 20 includes a scanning module 23 , an HTTP module 24 , an XML analysis module 25 , and a WSD protocol module 26 .
  • the network setting including an IP address of the scanner may be performed not only through the operation portion 15 but also by starting a web browser of a client PC over the network and accessing the scanner.
  • the HTTP module 24 may be used for both purposes of management as a web server for setting and HTTP communication defined in WSD.
  • the XML analysis module 25 is used in communication with WSD, and may be used for analysis on data received using SOAP-over-UDP.
  • FIG. 3 illustrates a schematic sequence of push scan in the past.
  • a client PC transmits in advance to the scanner a command of a scanner-element-acquisition request for acquiring first information on the ability that the scanner originally has (step S 301 ).
  • the scanner-element-acquisition request command (GetScannerElementsRequest) is issued when the client PC installs the scanner or the client PC and the scanner are enabled to communicate over a network.
  • the scanner If the scanner receives the scanner-element-acquisition request command from the client PC, the scanner generates the first information on the ability of image processing that the scanner itself originally has.
  • the ability of image processing may include, for example, the state of the scanner and scanning performance specifications such as an output resolution, document type and reading range of the scanner.
  • the first information is generated as a scanner-element-acquisition response command (GetScannerElementsResponse) by using a predetermined language supporting WSD and is transmitted to the client PC (step S 302 ).
  • the client PC can identify the performance of the scan service that can be provided by the scanner.
  • the scan service information is saved and held in a holding unit such as a memory or an HDD, for example, present in the client PC.
  • a user may go to the image processing apparatus (or scanner) and mount A4-sized paper, for example, as a scanning target on a copy holder. Then, the user may operate the operation portion 15 on the image processing apparatus and depress a button for implementing push scan. The depression of the button causes the scanner to transmit a push scan event (ScanAvailableEvent) to the client PC (step S 303 ).
  • the transmission of the push scan event corresponds to the transmission of an event request command for requesting an event start command that is an instruction to start scanning.
  • the client PC having received the push-scan event in step S 303 , issues a scan request command (CreateScanJobRequest) to the scanner.
  • the issuance of the scan request command corresponds to the transmission of the event start command that is an instruction to start scanning (step S 304 ).
  • This command by the client PC instructs to start scanning by using the scan parameter selected arbitrarily within the range of the scanning performance specifications of the scanner described in the first information held in the holding unit in step S 302 .
  • the scanner having received the scan request in step S 304 determines whether the scanning based on the scan parameter contained in the scan request command is possible or not and whether the scanner has a state that the scanning can start or not. If the scanning is possible, the scanner returns a scan response command (CreateScanJobResponse). At that time, the reading device 16 may start the scanning, for example. If the scanning is not possible, a FAULT response is returned (step S 305 ).
  • the client PC received the scan response command in step S 305 issues an image-retrieval request command (RetrieveImageRequest) to the scanner (step S 306 ).
  • RetrieveImageRequest an image-retrieval request command
  • the scanner having received the image-retrieval request in step S 306 returns image-retrieval response command (RetrieveImageResponse) to the client PC and transmits the image data (step S 307 ).
  • image-retrieval response command (RetrieveImageResponse)
  • push scan in the past in WSD scan service implements scanning in accordance with the scan parameter contained in the scan request command issued by the client PC. Since push scan starts scanning in response to an operation from the scanner side, it is difficult for a user to select a desirable scan parameter from an application on a client PC, unlike pull scan.
  • a scanner-element changing event is used to perform push scan with a user-specified scan parameter, as follows:
  • the scanner-element changing event is an event to be used in WSD scan service and is used upon change in the ability that is acquired in step S 301 in FIG. 3 of the scanner.
  • an optional unit enabling two-sided scanning may be additionally mounted to a scanner.
  • the scanner-element changing event is issued.
  • the scanner-element changing event reflects the change in the ability of the scanner from one-sided scanning to two-sided scanning to the service description information held in the client PC to update.
  • the scan parameter set on the scanner by a user before the transmission of the push-scan event is used to generate the scanner-element changing event that is second information.
  • the transmission of the generated scanner-element changing event to the client PC rewrites the service description information held in the client PC. This allows the scan request command from the client PC to limit the scan parameter to be arbitrarily specified to the scan parameter set by a user.
  • Push scan applying the present invention allows a client PC to identify that the scanning performance of the scanner is limited to that of the scan parameter specified by a user only. This can implement push scan with a user-specified scan parameter.
  • FIG. 4 illustrates a schematic sequence of push scan applying the present invention. Since the same operations are performed in steps S 501 to S 502 as those in steps S 301 to S 302 described with reference to FIG. 3 , the description will be omitted.
  • a user may go to the scanner and mount A4-sized paper, for example, as a scanning target on a copy holder. Then, the user may select a desirable scan parameter on the scanner and depress a scan start button. The depression of the scan start button causes the scanner to generate a scanner-element changing event that is second information and transmit it to a client PC by using a second transmitting unit (step S 503 ) in order to reflect the scan parameter selected by the user to the scan request command.
  • the event notification in step S 503 causes the scanner to notify the change in the scan ability as if the scanner's ability is limited to the one with the scan parameter selected by the user only to the client PC that is the destination of the push scan.
  • the client PC that is the push scan destination specified by the user only identifies the fact that there has been a change in the scanner's scanning performance (or the value or range of the scan parameter to be supported) and updates the value of the scanning performance held in a storage area.
  • the scanner's performance is not changed to the one with the scan parameter selected by the user.
  • an event request command that is, push-scan event (ScanAvailableEvent) that is a request for a scan request is issued to the client PC that is the push scan destination (step S 504 ).
  • the client PC having received the push-scan event in step 5504 issues a scan request command (CreateScanJobRequest) as an event start command instructing to start image processing (step S 505 ).
  • a scan request command CreateScanJobRequest
  • the command contains the scan parameter arbitrarily selected by the client PC within the range of the scanning performance specifications.
  • the scan parameter contained in the scan request command is the value of the scan parameter specified by the user as the second information representing the value or range to be supported by the scanner and having been updated by the scanner-element changing event previously transmitted to the client PC.
  • the scanner having received the scan request command in step S 505 determines whether the scanning is possible in accordance with the scan parameter contained in the scan request command or not and whether the scanner is ready to start the scanning or not. If the scanning is possible, the scanner returns a scan response command (CreateScanJobResponse).
  • the reading device 16 may start the scanning at that time, for example. If the scanning is not possible, the scanner returns a FAULT response (step S 506 ).
  • the client PC having received the scan response command in step S 506 issues an image-retrieval request command (RetrieveImageRequest) to the scanner (step S 507 ).
  • RetrieveImageRequest an image-retrieval request command
  • the scanner having received the image-retrieval request in step S 507 returns an image-retrieval response command (RetrieveImageResponse) and transmits the read image data to the client PC (step S 508 ).
  • image-retrieval response command (RetrieveImageResponse)
  • the scanner has scanning performance allowing the scanning with the following scan parameters:
  • the client PC issues a scanner-element-acquisition request command (step S 601 ).
  • the scanner reads from the ROM 12 the scan parameters (resolutions: (1) 150 dpi and (2) 300 dpi and document types: (1) TEXT and (2) PHOTO) supported by itself and generates and returns a scanner-element-acquisition response command by including the read scan parameters into the command (step S 602 ).
  • the PC 2 and PC 3 also issue the scanner-element-acquisition request command and acquire the scanning performance of the scanner.
  • the PCs 1 to 3 are identifying that the scanner supports the resolutions 150 dpi and 300 dpi and the document types TEXT and PHOTO.
  • a user may operate the operation portion 15 and depress a scan shift button by watching the screen displayed on the display portion 14 of the scanner (step S 603 ).
  • a push-scan destination selection screen is displayed on the display portion 14 .
  • the push-scan destination selection screen displays the PC 1 , PC 2 and PC 3 ( FIG. 6A ).
  • a scan parameter selection screen is then displayed on the display portion 14 .
  • the scan parameter selection screen displays selectable scan parameters of the resolutions (150 dpi and 300 dpi) ( FIG. 6B ) and document types (TEXT and PHOTO) ( FIG. 6C ).
  • the user operation selects the resolution: 300 dpi (common in width and height) and the document type: TEXT (step S 605 ).
  • the scan parameters (resolution: 300 dpi and document type: TEXT) selected by the user are temporarily saved in the RAM 13 .
  • step S 606 If the user depresses a scan start button (step S 606 ), the scanner first reads the scan parameters temporarily saved in the RAM 13 and generates and notifies a scanner-element changing event including the read parameters to the PC 1 (client PC) (step S 607 ). Then, the scanner notifies a push-scan event that is a request for the scan request to the client PC (step S 608 ).
  • the scanner-element changing event in step S 607 is only notified to the PC 1 (client PC) that is the push scan destination.
  • the event contains the description ‘The resolution 300 dpi is only supported, and the document type TEXT is only supported’ in a language based on the WSD format.
  • the PC 1 (client PC) having received the event identifies that the scanner is a device only supporting the resolution 300 dpi and the document type TEXT.
  • the PC 1 (client PC) is identifying from the scanner-element changing event that the limited scanning performance that is different from the original scanning performance (including the supported scan parameter values and/or range) as the scanning performance of the scanner.
  • the PC 2 and PC 3 are still identifying that the scanner supports the resolutions 150 dpi and 300 dpi and the document types TEXT and PHOTO.
  • the PC 1 (client PC) having received the push-scan event issues a scan request command that instructs to start the image processing (step S 609 ).
  • the scan parameter specified by the scan request command is arbitrarily selected from the values or range of the scan parameters supported by the scanner.
  • the PC 1 (client PC) is identifying from the scanner-element changing event received in step S 607 that the present scanner is only supporting the resolution 300 dpi and the document type TEXT.
  • the scan request command contains the scan parameters specified as the resolution: 300 dpi and document type: TEXT.
  • the scanner having received the scan request command determines whether the scanning with the requested scan parameters is possible or not and further determines whether the scanner is ready for the scanning operation or not.
  • the scanner If it is determined that the scanning is possible, the scanner returns the scan response command (OK response) and starts the scanning by the reading device 16 with the specified scan parameters. If it is determined that the scanning is not possible, the scanner returns a FAULT response (or NG response) (step S 610 ).
  • the PC 1 (client PC) receives the scan response command (or OK response) in response to the scan request command, the PC 1 then issues an image-retrieval request command (step S 611 ) to request the scanned image data to the scanner. If the PC 1 receives the FAULT response (or NG response) in response to the scan request command, the PC 1 aborts the subsequent processing. The scanning is not performed.
  • the scanner having received the image-retrieval request command transmits the image data generated by the reading device 16 sequentially to the PC 1 (client PC) (step S 612 ).
  • the image data are sequentially transmitted, the image data for one page may be generated when the scan request or image-retrieval request is received, and the image data may be collectively transmitted to the PC 1 (client PC).
  • the image-data transmission method is not particularly limited.
  • the PC 1 (client PC) having received the image data stores the image data in a storage area in an HDD, for example.
  • the client PC is notified through WSD scan service that the performance of the scanner is limited by the scan parameters specified by a user. This only allows the client PC side to issue a scan request command with the scan parameters specified by a user and allows push scan with the scan parameters specified by the user.
  • the scanner-element changing event is not transmitted to the client PCs (such as the PC 2 and PC 3 here) that are not the push scan destination, the scan request commands from the client PCs excluding the push scan destination are not affected by the scan parameters specified by a user.
  • the scan parameters that can be specified by a user are limited to the resolution and document type only, the present invention is not limited thereto. All of the scan parameters defined in WSD scan service may be available for the specification. Moreover, the scan parameters that are not defined may be available for the specification.
  • All or a part of the values of the scan parameters specified by a user in the scanner-element changing event may be notified.
  • the client PC may specify all of the scan parameters defined in WSD scan service to the device or only specify a part of them. For example, the sharpness (or edge enhancement), the compression quality factor (or the degree of compression for generating an image in a compressed image format such as a JPEG image) or the like may not be specified.
  • the notification of all of the scan parameters specified by a user may not be required.
  • the notification to the client PC with scanner-element changing event may not be required.
  • the reception of other jobs may be inhibited.
  • a FAULT response may be returned to the scan request commands to inhibit the reception of other jobs.
  • user's operations on the operation portion of the scanner may be denied to inhibit continuous push scan.
  • the exclusion for denying other jobs may be performed when the scanner-element changing event is transmitted or when the push-scan event is transmitted. Alternatively, it may be performed when the scan response command is transmitted or the scanning is started.
  • the scanner-element-acquisition request command from the same destination client PC may be responded by the scanning performance reflecting the scan parameter previously specified by the user and read from the RAM 13 .
  • a user who uses the client PC and performs the push scan operation with the same parameters all the time may not be required to set the scan parameters every time. This can improve the operability.
  • a user may specify and set a scan parameter not only through the operation portion 15 of the scanner but also by starting a web browser of the client PC over a network and accessing the scanner. Also in this case, the scan parameter set on the web browser may be saved in the RAM 13 and be notified to the client PC through the aforementioned operation.
  • the image processing apparatus may transmit image data to the client PC and at the same time transmit and output the image data to an output device (such as a printer) included in the image processing apparatus or a network printer that is connected to a network and specified in advance by a user.
  • an output device such as a printer
  • image data can be stored in the client PC, and at the same time the output result can also be acquired.
  • the scanner-element changing event reflecting the scan parameters specified by a user is transmitted before the transmission of the push-scan event.
  • the scanning ability held in a holding unit in the client PC can be updated with the scan parameters specified by a user to allow push scan.
  • the client PC that is the push-scan destination client PC may transmit a scan request command for pull scan.
  • the client PC is identifying from the scanner-element changing event in the previous push scan the limited scanning performance (only supporting a user-specified value) that is different from the original scanning performance (including the supported scan parameter values and/or range) as the scanning performance of the scanner.
  • a second scanner-element changing event is transmitted. This eliminates the limitation on scanning performance.
  • the second embodiment has the same hardware requirements and software requirements as those of the first embodiment, the description will be omitted (or refer to FIG. 1 and FIG. 2 ), and the points different from the first embodiment will only be described.
  • FIG. 7 illustrates a schematic sequence of push scan applying the present invention according to the second embodiment. Since the sequence in step S 1001 to step S 1008 is the same as that in step S 501 to step S 508 in FIG. 4 , the description will be omitted.
  • a second scanner-element changing event containing the same information generated as the first information is only transmitted to the client PC (step S 1009 ).
  • the scanning performance being identified by the client PC can be changed from the limited scanning performance to the original scanning performance.
  • step S 1101 to step S 1112 is the same as that in step S 601 to step S 612 in FIG. 5 , the description will be omitted.
  • the scanning performance is limited (only supporting a user-specified value in push scan) that is different from the original scanning performance being identified by the client PC.
  • the second scanner-element changing event is only transmitted to the client PC (step S 1113 ).
  • the scanner reads the original scan parameters held in the ROM 12 and includes the read parameters in the scanner-element changing event.
  • the second scanner-element changing event contains the first information including the description ‘The resolutions 150 dpi and 300 dpi are supported, and the document types TEXT and PHOTO are supported’ in a language based on the WSD format.
  • the client PC having received the scanner-element changing event is identifying that the scanner is supporting the resolutions 150 dpi and 300 dpi and the document types TEXT and PHOTO.
  • the scanning performance held in a holding unit is updated, and the client PC is identifying the original scanning performance as the scanning performance of the scanner.
  • step S 1113 and in pull scan after the end of the push scan the limitation can be removed from the scan parameters that can be specified by the client PC.
  • the second scanner-element changing event is transmitted.
  • the limitation can be removed from the scan parameters that can be specified by the client PC.
  • the timing is not limited thereto if it is after the first scanner-element changing event. It may be after the transmission of the scan response command or after the FAULT response to the scan request command.
  • push scan with user-specified scan parameters can be implemented without extending the WSD scan service specifications.
  • the image data read by the scanner is transmitted to the client PC having issued the scan request, the destination of the data after the push scan is not limited thereto.
  • the image data may be transmitted to other apparatus if the image data does not require image processing within the client PC or saving in the client PC.
  • the image data may be transmitted to a printer connected to the client PC or a printer preset over a network or, if the scanner is contained in multifunctional peripherals, the image data may be transmitted to a printer among the peripherals, for printing.
  • the destination of the scanned data is not limited to a printer but may be a facsimile or a storage area over a network or among peripherals.
  • screens for selecting a data destination and/or image processing are desirably provided.
  • the objects of the present invention may be achieved by supplying a recording medium recording a control program that controls an image processing system with the software implementing the functions of the aforementioned embodiments to a system or an apparatus and causing a computer (or a CPU or an MPU) in the system or apparatus to read and execute the program code stored in the recording medium.
  • the program code itself read from the recording medium implements the functions of the aforementioned embodiments.
  • the recording medium recording the program code is included in the present invention.
  • the recording medium for supplying the program code may be, for example, a flexible disk, a hard disk, an optical disk, a magnet-optical disk, a CD-ROM, a CD-R, a magnetic tape, a non-volatile memory card, a ROM, a DVD or the like.
  • the functions of the aforementioned embodiments may be implemented by a part or all of the actual processing performed by an operating system (OS) or the like operating in the computer on the basis of the instructions from the program code.
  • OS operating system
  • the program code read from the recording medium may be written to a memory included in a feature expansion board inserted to the computer or a function expansion unit connected to the computer.
  • the functions of the aforementioned embodiments may be implemented by a part or all of the actual processing performed by a CPU included in the feature expansion board or function expansion unit on the basis of the instructions from the program code.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
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  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Facsimiles In General (AREA)
US12/719,701 2009-03-12 2010-03-08 Image processing system and image processing apparatus and method Abandoned US20100231964A1 (en)

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US20120105905A1 (en) * 2010-10-29 2012-05-03 Toshiba Tec Kabushiki Kaisha System and Method for Operation of Document Processing Devices Via Portable Data Devices
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US20130088752A1 (en) 2013-04-11
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JP2010213189A (ja) 2010-09-24
JP5495588B2 (ja) 2014-05-21

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