31 results about "Virtual printer" patented technology

The invention relates to the technical field of data transmission security, in particular to a file security transmission system and method based on a virtual printer. The method comprises the following steps: acquiring a key constraint parameter set, and generating a preselected key pool according to the key constraint parameter set; acquiring virtual printing task information, analyzing the virtual printing task information, and generating a document data block set; based on the preselected key pool, performing encryption-write separated transmission on each data block in the document data block set to generate local encryption cache information; and determining a decryption key set according to the local encryption cache information and the preselected key pool, performing decryption-reading separated transmission on each data block in the local encryption cache information according to the decryption key set, and generating and outputting virtual printing content. According to the method and the device, the whole-process encryption and separated processing of the data are realized in the printing data transmission process, and the security and confidentiality of the document content are effectively guaranteed.

The present disclosure provides a virtual printer program product, a print control apparatus, and a printing method, and provides a structure for performing printing implemented via a print server using a general-purpose printer driver. A virtual printer program according to one embodiment of the present disclosure causes a computer to execute a first communication process, a second communication process, and a printing process. In the first communication process, the general-purpose printer driver (16) is disguised as a printer and communicates with the general-purpose printer driver (16). In the second communication process, communication with the print server (20) is performed. In the printing process, the print job acquired from the general-purpose printer driver (16) in the first communication process is transmitted to the print server (20) in the second communication process, and a printer connected to the print server (20) via a network performs printing.

The present invention makes it possible to register a virtual printing device and perform initial settings, etc., in advance, even in a state where an actual printing device is not connected, and execute a printing operation later when the actual printing device is connected.　A printer application 170 causes the following steps to be executed: when a printer 200 is not yet connected to a terminal device 100, a step S30 for causing a CUPS 160 to register the printer application 170 as a virtual printer corresponding to the printer 200, by responding to a search for the printer 200 by the CUPS 160, and a step S60 for outputting capability information of the printer 200 in response to a request for the capability information from the CUPS 160; and after the printer 200 is connected to the terminal device 100, a step S120 for acquiring print data from the CUPS 160 corresponding to the output capability information, and a step S170 for transmitting print data obtained by converting the acquired print data to the connected printer 200.

This invention provides a printing device, a control method, and a program that, when creating a virtual printer, prevents situations where the user cannot obtain the desired print result by setting predetermined capability information if the virtual printer is not associated with a printing device. [Solution] A first server system provides a first cloud print service 104 that provides print data to a printer, and registers the first cloud print service as a destination printer with respect to a second server system that provides a second cloud print service 105, and obtains print data from the second server system that has registered the first cloud print service as a destination printer using IPP (Internet Printing Protocol) operations, and provides print data based on the obtained print data to the printer 107.

To provide an information processing program and an information processing apparatus, even in a state where an actual printer is not connected, which beforehand allows the register of a virtual printer and the execution of initial setting or the like, and allows a printing operation to execute when the actual printer is connected after that.SOLUTION: When a printer 200 is not yet connected to a terminal device 100, a printer application 170 allows a processor 110 of the terminal device 100 to execute: a step S30 in which the printer application 170 is registered for a CUPS160 as a virtual printer corresponding to the printer 200 by responding to the search of the printer 200 by the CUPS160; and a step S60 in which the capability information of the printer 200 is outputted for the request of capability information from the CUPS160, and after the connection of the printer 200 to the terminal device 100, allows the same to execute: a step S120 of acquiring printing data from the CUPS160 corresponding to the outputted capability information; and a step S170 of sending printing data obtained by converting the acquired printing data toward the connected printer 200.SELECTED DRAWING: Figure 1

The invention discloses a nuclear power monitoring printing method, system and equipment based on a virtual printer, and relates to the technical field of data processing.The method comprises the steps that dynamic change information in a nuclear power monitoring interface is captured in real time based on the real-time screen capture and event-driven technology, and multi-stage processing is conducted on the dynamic change information in combination with an annular buffer architecture, so that the dynamic change information is obtained; obtaining nuclear power monitoring display page information in a preset template format; calling nuclear power monitoring display page information to be printed, and performing static and dynamic file format generation and encryption processing; classifying and storing the target printing files according to a preset rule, and generating and storing index information; performing authority authentication on the access user and displaying the index information after the authority authentication is passed; and retrieving the corresponding target printing file according to the selection of the access user on the index information, and allowing the target printing file to be used after decryption. Dynamic information of the monitoring interface can be captured in real time, diversified output is supported, data safety is ensured, and operation is easy and convenient.

The present invention enables print setting for each user when executing printing via a virtual printer. A printer application 170 executes: a step S240 of acquiring a PPD file for managing a print setting range for each user, in which range print setting in a printer 200 can be performed; a step S250 of transmitting an attribute for specifying the print setting range of a user using a terminal device 100 to a CUPS 160 on the basis of the acquired PPD file; a step S430 of acquiring, from the CUPS 160, print data of a print setting suitable for the print setting range corresponding to the user identified by the attribute; and a step S480 of performing control so that print data based on the print data acquired in the step S430 is transmitted to the printer 200.

According to an aspect of the present disclosure, there is provided a non-transitory computer-readable storage medium storing a virtual printer program, the virtual printer program causing a computer to execute first communication processing, second communication processing, and printing processing. The first communication processing is processing of pretending a printer for a general-purpose printer driver and communicating with the general-purpose printer driver. In the second communication processing, communication is performed with a print server. In the printing processing, a print job acquired from the general-purpose printer driver in the first communication processing is transmitted to the print server: in the second communication processing to cause a printer connected to the print server via a network to perform printing.

An information processing apparatus includes a processor configured to: acquire apparatus identification information of an image forming apparatus located within a predetermined distance from the information processing apparatus; and transmit to a predetermined destination for a printing service the apparatus identification information that has been acquired and positional information indicating a position of the information processing apparatus after associating the positional information with the apparatus identification information. The image forming apparatus is controlled as a virtual printer corresponding to the image forming apparatus by a server for the printing service, and the server is connected to the image forming apparatus by using a network.

To prevent incorrect setting of paper size based on capability information transmitted from a virtual printer to an OS.SOLUTION: A printer application 170 is configured to execute a step S120 to acquire tray information, paper status information, and tray paper setting information related to a paper tray provided in a printer 200 and a printing paper stored in the paper tray; a step 205; a step S 220; steps S140 and S150 to generate attributes suited to a paper feed environment of the printer 200 according to the tray information, the paper status information, and the tray paper setting information; and a step S160 to output the generated attribute to a CUPS 160.SELECTED DRAWING: Figure 8

Even if an actual printing device is not connected, a virtual printing device can be registered in advance to execute initial setting and the like, and a printing operation can be executed when the actual printing device is connected later. When the printer (200) is not yet connected to the terminal device (100), the printer application (170) executes: a step (S30) in which the printer application (170) is registered in the CUPS (160) as a virtual printer corresponding to the printer (200) by responding to a search for the printer (200) by the CUPS (160); and a step S60 for outputting the capability information of the printer (200) in response to a request for the capability information from the CUPS (160), and after the printer (200) is connected to the terminal device (100), the printer application (170) executes: a step S120 for acquiring print data from the CUPS (160) corresponding to the output capability information; and a step (S170) in which print data obtained by converting the acquired print data is transmitted to the connected printer (200).

This invention relates to a method, apparatus, device, and medium for acquiring electronic documents based on virtual printing, and pertains to the field of digital data information processing technology. The method includes: a client obtaining graphic and textual output content from a business system via a virtual printer; matching this content with a recognition template; marking textual content within the variable domain range recognized by the recognition template when a match is successful; performing OCR recognition on non-textual content and caching the result as variable content; correcting the recognition result according to the recognition template; organizing the variable content into hierarchical data nodes according to the recognition template; querying a local data dictionary to translate the corresponding variable content into corresponding data codes; converting the graphic and textual output content into a layout document; using the data nodes and data codes as indexes or data attachment fragments of the layout document; extracting information from the marked structured content and / or data codes according to the recognition template as metadata for the layout document; and generating an output electronic document.

The invention provides a printing method and device and a storage medium, and is applied to the technical field of computers, the method comprises the steps that a printing request triggered based on triggering information of a terminal is obtained, and the printing request comprises printer type information; determining a target virtual printer from at least one virtual printer according to the printing request, wherein the target virtual printer corresponds to the printer type information; converting a to-be-printed file into to-be-printed information in a target format by using the target virtual printer; and sending the to-be-printed information to a terminal by using a virtual port, wherein the terminal is connected with a target physical printer corresponding to the printer type information.

The present invention prevents erroneous setting of paper size based on capability information transmitted from a virtual printer to an OS. A printer application (170) is configured to execute the following steps: a step (S120), a step (S205), and a step (S220) of acquiring tray information, paper state information, and tray paper setting information relating to a paper tray provided in a printer (200) and paper to be printed stored in the paper tray; a step (S140) and a step (S150) for generating an attribute suitable for the paper feeding environment of the printer (200) on the basis of the tray information, the paper state information, and the tray paper setting information; and a step (S160) for outputting the generated attribute to the CUPS (160).

To allow a user to perform unique print settings by a virtual printer corresponding to a desired printing device without performing processing according to the virtual printer.SOLUTION: A launcher 106 causes a processor 110 of a terminal device 100 to execute: a step S20 of outputting display data for causing a display unit 140 of the terminal device 100 to display a dialog box DB1 that allows selection of a plurality of printers 200 corresponding to a plurality of printer applications 170; a step S400 of accepting a selection operation for one printer 200 among the plurality of printers 200 in the displayed dialog box DB1; and a step S420 in which one printer application 170 among the plurality of printer applications 170 corresponding to the one printer 200 accepted in the step S400 performs processing for causing the display unit 140 of the terminal device 100 to display a print setting screen for the one printer 200 whose selection has been accepted.SELECTED DRAWING: Figure 14

The invention discloses an electronic file collection method and device based on virtual printing, equipment and a medium, and relates to the technical field of digital data information processing. The method comprises the following steps: a client obtains image-text output content from a business system through a virtual printer; matching the image with an identification template; when the matching is successful, marking the text content in the variable domain range identified by the identification template; if the content is not the text content, performing OCR (Optical Character Recognition) and caching a result as a variable content; the recognition result is corrected according to the recognition template; organizing the variable content into data nodes with a hierarchical structure according to the recognition template; querying a local data dictionary to translate the corresponding variable content into a corresponding data code; converting the image-text output content into a format document; taking the data node and the data code as an index or a data attachment fragment of the format document; extracting information from the marked structured contents and / or data codes according to the identification template to serve as metadata of the format document; and generating an output electronic file.

The present invention enables a user to execute a unique print setting based on a virtual printer corresponding to a desired printing device without performing a process corresponding to the virtual printer. An initiator (106) causes a processor (110) of a terminal device (100) to execute: a step (S20) for outputting display data for causing a display unit (140) of the terminal device (100) to display a dialog box (DB1) capable of selecting a plurality of printers (200) corresponding to a plurality of printer applications (170); a step S400 in which a selection operation of one printer (200) among the plurality of printers (200) is accepted in the displayed dialog box (DB1); and a step S420 of performing a process for causing one printer application (170) corresponding to the one printer (200) accepted in the step S400 among the plurality of printer applications (170) to display, on a display unit (140) of the terminal device (100), a print setting screen of the one printer (200) for which the selection has been accepted.

The invention provides a virtual printer adding method and device, equipment, a storage medium and a program product, the method is applied to terminal equipment, the terminal equipment comprises a display interface, and the method comprises the steps that in response to a virtual printer adding instruction triggered by a user, a configuration list of newly-added virtual printers is displayed in the display interface; in response to a configuration information setting instruction triggered by a user, setting the configuration information in the configuration list; and in response to a virtual printer adding instruction triggered by the user, adding the newly added virtual printer to the terminal equipment. Compared with the prior art, the user does not need to carry out a tedious operation process, the process is simple, and the user experience is improved to a certain extent.

The present invention prevents erroneous setting of a paper size based on capability information transmitted from a virtual printer to an OS.　A printer application 170 is configured to execute: a step S120, step S205, and step S220 for acquiring tray information, paper status information, and tray paper setting information related to a paper tray provided to a printer 200 and related to printing paper that is stored in said paper tray; a step S140 and step S150 for generating, in accordance with the tray information, the paper status information, and the tray paper setting information, attributes suited to the paper feeding environment of the printer 200; and a step S160 for outputting the generated attributes to a CUPS 160.

To provide technology that enables effective use of virtual printers by linking the OS's standard printing function with support programs. [Solution] The auxiliary program 42 instructs the OS 21 to create a printer queue 22b for the virtual printer associated with the auxiliary program 42, and can identify, for example, an unsupported device 2 as a device corresponding to the virtual printer. Furthermore, when the virtual printer is selected and an instruction to display the detailed settings screen is given, and processing is requested from the general-purpose printing program 41, the auxiliary program 42 displays a detailed settings screen based on the capabilities of the identified unsupported device 2 to the user IF 13. When a print instruction is given with the virtual printer selected, and processing is requested from the general-purpose printing program 41, the auxiliary program 42 acquires image data indicating the image to be printed, and sends a print job containing print data based on the acquired image data to the identified unsupported device 2.

A non-transitory computer-readable storage medium storing a program of an installer for an application for causing an information processing apparatus to execute a method, the method including: obtaining capability information on an operating system implemented in the information processing apparatus from the operating system and performing, based on the capability information on the operating system, control of whether to install a first driver being a virtual printer driver provided by a vendor of a printing apparatus, or to perform processing for assigning a second driver as the virtual printer driver, the second driver being different from the first driver and being a standard driver of the operating system.

The present invention enables a user to execute unique print settings by means of a virtual printer corresponding to a desired printer without processing by the virtual printer.　A launcher 106 causes a processor 110 of a terminal device 100 to execute: a step S20 for outputting display data for displaying, on a display unit 140 of the terminal device 100, a dialog box DB1 in which a plurality of printers 200 corresponding to a plurality of printer applications 170 can be selected; a step S400 for receiving a selection operation for one printer 200 among the plurality of printers 200 in the displayed dialog box DB1; and a step S420 for performing processing for causing the display unit 140 of the terminal device 100 to display a print setting screen of the selected one printer 200 in one printer application 170 corresponding to the one printer 200 that was selected in step S400 among the plurality of printer applications 170.

The invention discloses a thermal printer integration method, a thermal printer integration device and thermal printer integration equipment based on Android system printing service. The thermal printer integration method comprises the following steps: deploying and registering a printing service plug-in inheriting from PrintService in an Android system; available thermal printer equipment is monitored and scanned through the printing service plug-in, and equipment identification information corresponding to the found thermal printer equipment is obtained; matching the equipment identification information with a preset capability configuration database, creating a virtual printer capability object for the matched physical printer, and mapping the capability of the physical printer into a standard capability which can be identified by a system printing framework through the printer capability object; receiving a printing task issued by a system printing framework, converting printing data corresponding to the printing task into a bitmap, performing image processing, and generating a printing instruction; and the printing instruction is sent to the target thermal printer through a communication interface, and the printing task state of the target thermal printer is monitored and returned in real time.

The invention relates to a cross-system data cooperative processing method and system based on image recognition and chip storage, and the method comprises the following steps: obtaining an electronic image of physical medium data through an image collection device or a virtual printer, and carrying out the preprocessing of the electronic image, performing data positioning and extraction on the preprocessed image by using an image recognition algorithm; writing the extracted data into a specified sector of the embedded chip, and verifying the data consistency through CRC32 verification and a read-back comparison mechanism; according to coding requirements of a target system, context-aware format adaptation is carried out on chip data through a dynamic format conversion model, and cross-system automatic data transmission is carried out by adopting an API interface and a SendKeys method; a whole-process operation log is generated, the operation log comprises a timestamp, a chip serial number, a data hash value and a block chain tamper-proof storage identifier, and anomaly backtracking and auditing are supported.

The invention discloses a file printing method and system for a virtualization system, and the method comprises the steps: enabling a virtual printer in the virtualization system to respond to a printing task initiated by an application program in the virtualization system, generating a file in a standard format through the printing content, and storing the file in a preset folder in the virtualization system; after monitoring that a new file is generated in a preset folder in the virtualization system, the monitoring program in the virtualization system sends a monitoring notification to an external system; and after receiving the monitoring notification, the external system obtains data of the target file from the virtualization system in a safe file transmission mode to a memory, and prints and outputs the data of the target file in the memory through a physical printer connected with the external system. The invention aims to improve the file printing compatibility and security for the virtualization system, simplify the file printing configuration for the virtualization system, and improve the file printing performance for the virtualization system.

The invention provides a plotter supervision and auditing method and system, and relates to the technical field of computer application, and the method comprises the steps: responding to a printing request of a user for a target plotter, employing a special auditing virtual printer provided with an original plotter drive program to capture operation metadata, a native printing data stream which can be directly analyzed by the plotter is generated and cached; decoding the native printing data stream, generating a PDF snapshot, performing auditing based on the PDF snapshot, and generating an auditing result; based on the audit result, performing subsequent processing, including adding a bar code to the original printing data stream by adding a drawing instruction when the audit is passed, and sending the complete original printing data stream to the target plotter for printing and outputting; based on a native printing data stream lossless interception and forwarding technology, the problem that private attributes of a plotter are lost due to format conversion in an existing virtual printer scheme is solved, and meanwhile the limitation of an existing file path takeover scheme in the aspect of universality is solved.

The invention discloses an implementation method, device and equipment for remote printing of a printer and a medium. The implementation method comprises the steps that a printing processor reads printing data from a printing task through a handle and a document name and stores the printing data to a preset temporary file; analyzing a preset temporary file into an EMF file set from an SPL format; deploying a printer port monitor of the DLL architecture; installing a virtual printer; the target controlled end sends an EMF file set; and the main control end receives the EMF file set and sends the printing data in the EMF format to the entity printer so that the entity printer can print the printing data. The invention belongs to the field of virtual printing. According to the invention, remote printing can be realized in a cross-network, zero-configuration and low-delay manner.

An image processing apparatus, a method of providing a cloud printing service, and a program storage medium are disclosed. A print apparatus registers the print apparatus in a cloud printing service, and generates a printer queue that stores a print job to be transmitted to the print apparatus on the cloud printing service. If the print apparatus is associated with a virtual printer on the cloud printing service, the print apparatus acquires information of a print job managed by the virtual printer from the cloud printing service. If an operation for printing the print job managed by the virtual printer is received, the print apparatus gives an instruction for moving a print job indicated based on at least the acquired information of the print job to a printer queue for the print apparatus provided on the cloud printing service, and acquires the moved print job.

The present application provides an information processing program capable of realizing stable coexistence of processing and status monitoring for printing in an environment using a driverless OS printing function. A printer application (170) causes a processor (110) of a client PC (100) to execute a print data transmission process, a step S10 of outputting a USTATUS DEVICE ON and an INFO STATUS command for inquiring a status of a printer 200 to the printer 200, and a step S20 of acquiring status information from the printer 200 corresponding to the USTATUS DEVICE ON and the INFO STATUS command when registered in CUPS (160) as a virtual printer.

The invention discloses a virtual printer design method and device and a storage medium, relates to the technical field of printer simulation, and realizes comprehensive simulation of a printing process by constructing a multi-physics field parameterization model and integrating environment influence parameters, hardware characteristic parameters and error simulation parameters. A virtual printing subsystem interface and interaction logic are defined based on the model, and a virtual printing head, a guide rail, a paper feeding system and a printing medium are covered; the virtual printing engine analyzes the printing task, generates a cooperative control instruction in combination with hardware characteristics, and generates a virtual printing result through error simulation parameters and a correlation function correction instruction; the interaction interface outputs a printing result and system state data to support software development and testing; in addition, the invention further provides virtual printer design equipment and a computer readable storage medium, and efficient execution of the method is achieved.