US20040012816A1 - Printing system, printer, printer driver, POS system, colorization setup device, printing control method, colorization setup method, program, and storage medium for storing the program - Google Patents
Printing system, printer, printer driver, POS system, colorization setup device, printing control method, colorization setup method, program, and storage medium for storing the program Download PDFInfo
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- US20040012816A1 US20040012816A1 US10/384,427 US38442703A US2004012816A1 US 20040012816 A1 US20040012816 A1 US 20040012816A1 US 38442703 A US38442703 A US 38442703A US 2004012816 A1 US2004012816 A1 US 2004012816A1
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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
- H04N1/46—Colour picture communication systems
- H04N1/465—Conversion of monochrome to colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
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Abstract
To print in two or more colors based on print data for monochrome printing, a POS application program run by a host outputs monochrome print data. The print data is passed to a service object (SO), a printer driver for the printer. The data processing part of the service object (SO) applies a colorization process according to the content of colorization information, and generates a print command for two-color printing. The colorization process adds color to text or the text background in units containing a specified number of printing lines. The print commands generated by the data processing part are then sent by a command output part to the printer.
Description
- 1. Field of the Invention
- The present invention relates generally to a printing system capable of printing in two or more colors and to a printing control method for the same. This invention also relates to a printer capable of printing in two or more colors, and to a printer system and POS system using this printer. This invention further relates to a colorization setup device and a color data setting method for setting colorization information for producing color print data from a print command for monochrome printing. The invention also relates to a computer-readable medium storing or carrying a program for executing these methods of the invention on a computer.
- 2. Description of the Related Art
- POS systems used at check-out registers have a printer for printing receipts. These POS printers print the name and price of each purchased product line by line on the printing medium, typically roll paper, and the printed paper is then cut and issued as a receipt. The customer receiving this receipt may later transfer product name and price information from the receipt to a home budget ledger, for example, to keep the ledger as a personal record of past purchases. Most such receipts are printed with one color, often making the printed content difficult to read. Errors can thus easily occur when transferring information from the receipt to the ledger.
- In the last few years ink-jet and thermal transfer color printers for use with personal computers have become widely available. Color printers capable of printing two or more colors for use with POS systems are also becoming more common. Using these printers to print receipts in color can make the receipts easier to read and is thus desirable for improved customer service.
- Many application programs used in POS systems, however, were formed assuming that a conventional monochrome printer would be used. This has meant that color receipts could not be printed by simply replacing the existing monochrome printer with a color printer because the application program itself must be modified for color printing. Changing the program is typically costly, and the financial burden on the POS user, that is, store, is thus great.
- It is therefore desirable to be able to print color receipts with a color printer while continuing to use existing application programs that presume use of a monochrome printer.
- In addition to text data such as product names and price information, such printers are also used to print images such as the store's logo. For the content printed to the receipts, it is usually necessary to print the store's logo and other such image data in the color specified by the store. It is therefore further desirable when printing color receipts to separately define how color is used to print text data and image data. It is yet further desirable for the user to be able to specify how and what colors are used for the color print data.
- An object of the present invention is to solve these problems by providing the ability to print in two or more colors based on monochrome print data.
- Another object of this invention is to enable printing in two or more colors while differentiating between image and text data based on print data for monochrome printing.
- A further object of this invention is to enable the user to set color assignments for producing print data for printing in two or more colors from print data for monochrome printing.
- A still further object of this invention is to provide a printer and a printer control method for printing with two or more colors, according to a printing command for monochrome printing.
- Another object of this invention is to enable externally setting the format for such multicolored printing by means of a setup command applied to the printer.
- According to one aspect of the present invention, a printing system that is able to print in two or more colors is provided. The printing system comprises print data fetching means for fetching monochrome print data; data interpreting and evaluating means for interpreting the fetched monochrome print data and determining if it is text data or image data; storage means for storing a colorization information defining a process for applying a specific colorization process to at least one of the text data or the image data; print data processing means for applying the specific colorization process to the monochrome print data according to definitions data in the colorization information based on the result of monochrome print data interpretation and evaluation, and producing color print data for printing in two or more colors; and printing means for printing the resulting color print data.
- As such, the present invention can print two or more colors by producing multichrome data based on monochrome print data.
- The print data processing means preferably applies the colorization process to a line unit of printing lines contained in the monochrome print data. By thus applying the colorization process to a unit of printed lines the printed content can be clearly differentiated by line unit, and an easier-to-read printed product can be achieved.
- The colorization process can also be a process for adding background color to text contained in the monochrome print data.
- Further preferably, the colorization process can be a process for changing the font color of text contained in the monochrome print data.
- Colorization information specifying the content of the colorization process can be stored, and the print data processing means can run the colorization process according to the colorization information. The content of the colorization process can therefore be changed as desired by appropriately setting the colorization information.
- The present invention preferably first determines if the monochrome print data is text print data or image print data, and generates the color print data by applying the colorization process to the text data or the image data. The present invention therefore makes it possible to print in two or more colors based on print data for monochrome printing while applying color separately to images and text.
- The colorization process applied to monochrome text print data can also include an operation for adding a background color to the text, or an operation for converting the font color of the text, for example, from a black color to a blue color.
- The colorization process applied to monochrome image print data could also include an operation for changing the color of the image contained in the monochrome print data.
- The printing system may further include setting means for enabling a user to set the colorization information for colorizing the monochrome print data using an input device while viewing colorization information on a display. The print data processing means applies the colorization process to the fetched monochrome print data according to the colorization information specified by the colorization information to produce the color print data.
- The setting means in this case includes means for presenting a data entry screen containing input fields for entering the colorization information for each of a plurality of specified items, and means for setting the colorization information based on content input to each input field in the data entry screen.
- The specified items preferably include text-related fields relating to colors for printing the text. In this case the text-related fields preferably include a field relating to a text font color. Further preferably, the text-related fields include a field relating to a text background color. Yet further preferably, the specified items include a field relating to the color for printing images.
- According to another aspect of the invention, a printer control device (e.g., a driver) for controlling a printer able to print two or more colors comprises storage means for storing a colorization information defining a specific colorization process to be applied to monochrome print data; print data processing means for generating color print data for printing in two or more colors according to the colorization information; and transmission means for sending the color print data to the printer.
- By thus applying a colorization process to monochrome print data, two or more colors can be printed based on monochrome print data.
- Furthermore, the monochrome print data is preferably print data output from a specific application program, and the print data processing means is preferably embedded in a printer driver providing an interface between the application program and printer. This makes it possible to simply replace the monochrome printer driver with a driver able to print two or more colors while continuing to use an application program that can only output monochrome print data.
- A printer according to according to another aspect of the present invention is able to receive externally-generated or print data and to print two or more colors. Such printer comprises storage means for storing a colorization information defining a specific colorization process that runs corresponding to a received print command directing monochrome printing; print data processing means for applying a colorization process defined in the colorization information in response to the received print command to produce color print data for printing in two or more colors; and control means for printing based on the generated color print data.
- The present invention produces color print data by applying a colorization process according to a print command instructing monochrome printing, and prints according to the resulting color print data. A printer according to the present invention can thus print in two or more colors when a monochrome print command is applied to the printer.
- The invention further involves a POS system containing a printing system as previously described, a POS application execution unit for tabulating sales information based on product information input from a specific input device and outputting print data for receipt printing. The monochrome print data is print data output from the POS application execution unit for printing receipts.
- A colorization setup device according to another aspect of the present invention sets colorization information used for generating color print data for printing in two or more colors from monochrome print data. The setup device comprises means for presenting a data entry screen containing input fields for entering colorization information for each of a plurality of specific items; means for setting the colorization information based on content input to each input field in the data entry screen; and means enabling a print data processing device to reference the defined colorization information. In another embodiment, a colorization setup device for setting colorization information for converting monochrome print data to multichrome print data comprises means for presenting a data entry screen containing input fields for entering the colorization information for each of predetermined information items; means for setting the colorization information based on the content input into each input field; means for producing a sample receipt based on the set colorization information, and means for displaying or printing the sample receipt.
- A printing control method according to another aspect of the present invention controls printing in two or more colors. The method involves acquiring monochrome print data for printing with a single color; applying a specific colorization process to the monochrome print data, and producing color print data for printing in two or more colors; and printing the generated color print data. Another method involves printing in two or more colors in response to monochrome print data, and comprises fetching monochrome print data; interpreting the fetched print data and determining if the print data is text data or image data; storing colorization information defining a colorization process to be applied to the text data and/or the image data; applying said colorization process to the monochrome print data and producing multichrome print data in responsive to the interpreting step and said colorization information; and controlling printing means capable of printing in two or more colors in accordance with the multichrome print data obtained in the applying step.
- Colorization setup methods are also provided. In one embodiment, the method sets colorization information used for producing color print data for printing a receipt in two or more colors from monochrome print data, and includes presenting a data entry screen containing input fields for entering the colorization information for each of a plurality of specified items; setting the colorization information based on content input to each input field in the data dentry screen; and enabling referencing the set colorization information by a print data processing device. In another embodiment, the method sets colorization information used for converting monochrome print data to multichrome print data, and includes presenting a data entry screen containing input fields for entering the colorization information for each of predetermined information items; setting the colorization information based on the content input into each input field; producing a sample receipt based on the set colorization information, and displaying or printing the sample receipt.
- In accordance with further aspects of the invention, the above-described methods or any of the steps thereof may be embodied in a program of instructions (e.g., software) which may be stored on, or conveyed to, a computer or other processor-controlled device for execution. The “computer-readable” medium” may include any suitable storage device, including a carrier wave on which the program is carried. Alternatively, the method or any of the steps thereof may be implemented using functionally equivalent hardware (e.g., ASIC, digital signal processing circuitry, etc.) or a combination of software and hardware.
- Other objects and attainments together with a fuller understanding of the invention will become apparent and appreciated by referring to the following description and claims taken in conjunction with the accompanying drawings.
- FIG. 1 is a block diagram of a POS system according to a first embodiment of the present invention;
- FIG. 2 is a function block diagram of a printer used in a POS system according to a first embodiment of the invention;
- FIG. 3 is a function block diagram of a host for implementing a colorization function in a first embodiment of the invention;
- FIG. 4 shows an example of the content of colorization information in a first embodiment of the invention;
- FIG. 5 shows a sample printout of a receipt in a first embodiment of the invention;
- FIG. 6 is a flow chart showing the content of a program for achieving a data processing part and command output part in a first embodiment of the invention;
- FIG. 7 is a flow chart showing the colorization process of a first embodiment of the invention in detail;
- FIG. 8 shows an example of a basic setup window in a first embodiment of the invention;
- FIG. 9 shows an example of a color conversion settings window in a first embodiment of the invention;
- FIG. 10 shows an example of colorization information when the text color and background color can be separately defined in a first embodiment of the invention;
- FIG. 11 shows an example of a conversion settings window when the text color and background color can be separately defined in a first embodiment of the invention;
- FIG. 12 shows an example of colorization information content for a printer having a function for printing in three colors, a first color, a second color, and a blend of the first and second colors, in a first embodiment of the invention;
- FIG. 13 shows an example of a conversion settings window for a printer having a function for printing in three colors, a first color, a second color, and a blend of the first and second colors, in a first embodiment of the invention;
- FIG. 14 is a block diagram of a POS system according to a second embodiment of the present invention;
- FIG. 15 shows an example of the content of colorization information in a second embodiment of the invention;
- FIG. 16 is a flow chart of a process run by the data processing part when the colorization function is enabled in a second embodiment of the invention;
- FIG. 17 is a flow chart showing the content of a colorization process for text data in a second embodiment of the invention; and
- FIG. 18 shows an example of a setup screen for setting the colorization information on the host in a second embodiment of the invention.
- Preferred embodiments of the present invention are described below with reference to the accompanying figures.
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Embodiment 1 - FIG. 1 is a block diagram of a POS system according to a first embodiment of the present invention. As shown in FIG. 1 a POS system according to this first embodiment of the invention has a
host 10. Connected to thehost 10 are aprinter 12 for printing receipts, an input device 14 (such as a barcode reader) for entering product codes, and adisplay 16 for preventing information and prompts. - The
printer 12 in this first embodiment is an ink-jet printer or other type of printer capable of printing two colors, a first (main) color (such as black) and a second (sub) color (such as red or blue), and is used to print receipts as controlled by thehost 10. As further described below theprinter 12 is not limited to a two-color printer and could be a printer capable of printing three or more colors. Theprinter 12 is also not limited to an ink-jet printer, and could be a thermal transfer printer or any other type of printer capable of printing in two or more colors. - The
host 10 is a computer system that controls theprinter 12 by means of a printer driver, for example, OPOS (OLE for Retail POS), JavaPOS® (Java for Retail POS). The driver runs under the OS such as Windows® operating system and functions as a device-independent interface between aPOS application program 24 running on the OS and peripheral devices as theprinter 12 andinput device 14. To achieve this functionality the printer driver has a device control object (CO) 20 for each device category and a service object (SO) 22 for each device model. - The
POS application program 24 tabulates sales data based on the product codes for the products input from theinput device 14, and outputs print data for printing the tabulated result as a receipt. The print data output from thePOS application program 24 is passed to the printer control object (CO) 20, and is passed from the control object (CO) 20 to the service object (SO) 22 corresponding to theparticular printer 12 model. The service object (SO) 22 processes the print data for the printer to generate a print command according to the command specifications of theprinter 12, and then sends the print command to theprinter 12 through theOS 26. The service object (SO) 22 thus absorbs differences between different models of devices (specifically printers in this embodiment), and thus enables thePOS application program 24 to be written as a program that is not dependent on a particular device model. - A
printer 12 according to this first embodiment of the invention is designed so that it can interpret and run two types of print commands, a text print command and an image print command. - A text print command is a command for printing text. Text color, the text background pattern, and the background color can be specified in the text print command in this first embodiment. Selectable background patterns include, for example, a halftone pattern, diagonal striping, crosshatch, or solid fill, and the density of the background pattern can be specified as dark, medium, or light, for example.
- The image print command is a command for printing graphical images. In this first embodiment of the invention the image print command can be used to specify the print color of the image and to select image data pre-stored in the
printer 12 for printing as the print image. - It will be apparent that these commands are described by way of example only, and other command formats can be used insofar as the print command can send the equivalent printing instructions to the
printer 12. More specifically, any command system that can send text and image printing instructions to theprinter 12, and can specify the print color, background pattern, and background color for text and the colors used to print the image data can be used. - The print data passed to the printer control object (CO)20 from the
POS application program 24 in this first embodiment of the invention uses the data format to differentiate between print data for text (i.e., text data such as the product name and price information printed to the receipts) and print data for images (such as a store logo). The service object (SO) 22 determines whether the print data passed from the control object (CO) 20 is text data or image data and based on the result generates and passes to theprinter 12 either a text print command or an image print command. Theprinter 12 runs a printing process according to the print command sent from the service object (SO) 22. - FIG. 2 is a function block diagram of the
printer 12. As shown in this figure theprinter 12 has acentral control unit 50,reception unit 52, andcommand interpreter 54. Thecentral control unit 50 interprets commands and data received from thehost 10 by thereception unit 52 through theinterface unit 62 by means of thecommand interpreter 54 and then runs a process appropriate to the received command. It should be noted that thecentral control unit 50 andcommand interpreter 54 can be achieved by theCPU 60 running a specific control program. - Connected to the
CPU 60 areRAM 64,ROM 66, afirst head controller 68, and asecond head controller 70. - Disposed in the
RAM 64 are a receivebuffer 72,first print buffer 74, andsecond print buffer 76. Commands and data received by thereception unit 52 from thehost 10 are stored to the receivebuffer 72. Print data of the first (main, or primary) color is stored to thefirst print buffer 74, and print data of the second (sub, or secondary) color is stored to thesecond print buffer 76. - Programs run by the
CPU 60, bit patterns for each character, and image data for a logo and other print images are stored inROM 66. - A
first print head 78 and asecond print head 80 are connected respectively to thefirst head controller 68 andsecond head controller 70. Thefirst print head 78 is used to print the main color and thesecond print head 80 is used to print the sub color. More specifically, thefirst print head 78 andsecond print head 80 print the print data stored in thefirst print buffer 74 andsecond print buffer 76 in the first (main) and second (sub) colors as respectively controlled by thefirst head controller 68 andsecond head controller 70. - Based on commands interpreted by the
command interpreter 54, thecentral control unit 50 stores print data to thefirst print buffer 74 andsecond print buffer 76. More specifically, if the command is a text print command, the bit pattern data for the characters to be printed is read fromROM 66 and the bit pattern data is stored to thefirst print buffer 74 if the print color is the first (main) print color, and to thesecond print buffer 76 if the print color is the second (sub) print color. If background printing is also specified in the text print command, bit pattern data for the indicated background pattern and density is stored to thefirst print buffer 74 orsecond print buffer 76 appropriately according to the background color. Likewise if an image print command is received the bit pattern data for the image to be printed is read fromROM 66 and is stored to thefirst print buffer 74 orsecond print buffer 76 according to the print color similarly to storing the text print data. Printing in two colors, i.e., the first color and the second color, can then be done by supplying the print data from thefirst print buffer 74 andsecond print buffer 76 to thefirst head controller 68 andsecond head controller 70, respectively. - A POS system according to this first embodiment of the invention thus has a function for two-color printing with this
printer 12 by generating a print command adding a second color to the monochrome print data output from thePOS application program 24. This function is referred to herein as a “colorization function.” It should be understood that this term “colorization function” also applies to the case that all of the text is printed in one color, for instance, the first color, while an image is printed in the other color. - FIG. 3 is a function block diagram for a
host 10 implementing this colorization function. As shown in the figure the service object (SO) 22 has adata processing part 30 and acommand output part 32. Thedata processing part 30 runs a process for adding a second color to the monochrome print data passed from the control object (CO) 20 (a process called the “colorization process” below), and generates a print command according to the command specifications of theprinter 12. The resulting print command is then output from thecommand output part 32 to theprinter 12. - As shown in FIG. 3 a colorization
information storage unit 34 is also provided in thehost 10. Acolorization flag 36 indicating whether or not to enable the colorization process, andcolorization information 38 specifying the content of the colorization process, are stored as definition data, e.g., in the form of a definition data file, in the colorizationinformation storage unit 34. The colorizationinformation storage unit 34 is stored to rewritable nonvolatile storage such as a hard disk drive or EEPROM. - FIG. 4 shows an example of the details of the
colorization information 38. As shown in this figure thecolorization information 38 includes such fields as the line unit, colorization method, background pattern, background tone, and image data print color. These fields are further described below. - (1) Line unit: Denotes the number of lines to which the colorization process is alternately applied and not applied. For example, if the line unit is set to 2, the colorization process is alternately applied to two lines and not applied to the next two lines as shown in FIG. 5.
- (2) Colorization method: Defines whether the colorization process adds color to the printed text or adds color to the background.
- (3) Background pattern: Denotes the background pattern when background color is added. The background pattern is set to halftone, diagonal slashes, or solid, for example.
- (4) Background tone: Denotes the density of the background color when the colorization process adds a background color. In this embodiment the background tone is set to one of three levels, dark, medium, and light. The number of levels of the tone can be increased on an as-needed basis.
- (5) Image print color: Denotes the print color of image data such as the store logo printed to each receipt, and is set to either the first color or second color.
- The content of the
colorization information 38 can be set by the user from a dialog box or window presented on screen by the colorizationinformation setup unit 40, for example. - The
data processing part 30 andcommand output part 32 are achieved by running a program embedded in the service object (SO) 22. FIG. 6 is a flow chart showing the content of this program as described below. - As shown in FIG. 6 when print data is passed from the
POS application program 24 through the control object (CO) 20 (S100), it is determined whether or not thecolorization flag 36 is set (S102). If thecolorization flag 36 is not set, a normal command generation process for converting the print data to a print command for theprinter 12 runs (S104). If thecolorization flag 36 is set, the print data is interpreted to determine if it is text print data or print data for one of the stored images (S106). If it is text print data, a colorization process is run based on the colorization information 38 (S108). - FIG. 7 is a flow chart showing the details of the colorization process run in step S108. The index i denoting the line to be processed is first initialized to 1 (S200). Based on the line unit value in the
colorization information 38, whether line i is to be processed by the colorization process is determined (S202). If it is to be colorized, whether the colorization method is text color or background color is determined (S204). If the colorization method is text color, a text print command for printing the text in line i in the second (sub) color is generated (S206). If color is to be added to the background, however, a text print command is generated for printing line i with the background pattern specified in the colorization information printed in the second (sub) color (S208). On the other hand, if step S202 determines that the colorization process does not apply to line i, a normal command generation process is run to generate a text print command for printing the text in line i in the first (main) print color (S210). - Whether line i is the last line is then determined (S212). If it is not the last line index i is incremented by 1 (S214), and control loops back to step S202. If line i is the last line, control returns to the process shown in FIG. 6.
- Referring again to FIG. 6, if the print data is determined to be image print data in step S106, the image data print color is determined from the colorization information 38 (S110). If the image data print color is the first (main) color, the normal command generation process runs in step S104. However, if the image data print color is the second (sub) color, an image print command is generated for printing the image data in the second (sub) color (S112).
- The print command generated in step S104, S108, or S112 is then sent to the printer 12 (S114). As described above with reference to FIG. 2, the
printer 12 runs a printing process according to the print commands received from thehost 10, and an easy-to-read receipt with color added on a line unit basis is issued as shown in FIG. 5. - It should be noted that the example in FIG. 5 shows a case in which the print color of the image part42 is specified separately from the text part 44. That is, the image part 42 in FIG. 5, which might be a store logo, is printed using the color specified for the image, and the product name and price information in the text part 44 is printed with color added by line unit to either the text or the text background. The result is a receipt that is easier to read.
- Defining the
colorization information 38 by means of the colorizationinformation setup unit 40 is described next. The colorizationinformation setup unit 40 is achieved by thehost 10 running a specific setup program. When this setup program runssetup windows display 16. When the setup program starts abasic setup window 200 such as shown in FIG. 8 is displayed. The user can switch between thisbasic setup window 200 and aconversion settings window 210 as shown in FIG. 9 by selecting the appropriate tab at the top of the window. - As shown in FIG. 8, the
basic setup window 200 has a paper width setting 202 for selecting the paper width and a color conversion setting 204 for selecting whether to apply (enable) the colorization process. - As shown in FIG. 9, the
conversion settings window 210 has an input field for setting thecolorization information 38 for each item, that is, aninput field 212 for setting the text color or the background color, aninput field 214 for setting the line unit of the colorization process, aninput field 216 for setting the background pattern, an input field 218 for setting the background tone, and aninput field 220 for setting the image color. It should be noted that in the example shown in FIG. 9 the value entered intoinput field 214 specifies the number of lines in the line unit as a numeric value that can be increased or decreased by clicking on the up and down arrows shown to the right of the input box. Values for the fields other thanfield 214 are defined by clicking the check box or radio button provided adjacent to each available choice. It should be noted that when the setup program starts up thecurrent colorization flag 36 andcolorization information 38 stored in the colorizationinformation storage unit 34 are read, and the values therefrom are set as the values initially displayed in the corresponding selection fields in the basicprinting setup window 200 and colorconversion settings window 210. - The
basic setup window 200 andconversion settings window 210 share a commonOK button 222. Clicking theOK button 222 stores the content set infield 204 as thecolorization flag 36 and the content set infields 212 to 220 as thecolorization information 38 in colorizationinformation storage unit 34. Thebasic setup window 200 has an entry section 201 for visually checking the colorization settings by printing or displaying a sample receipt. Abutton 205 is for indicating on the display a sample receipt produced according to the colorization information for user's referencing and abutton 206 is for printing a sample receipt as shown in FIG. 5. The sample receipt is produced based on data preset in a memory as quasi-sales information. - Once the
colorization information 38 is thus set and print data is subsequently output from thePOS application program 24, the colorization process described above is applied according to the set content of thecolorization information 38, and the print data is printed in two colors by theprinter 12. - As described above a colorization process is applied by this embodiment of the invention according to the
colorization information 38 to the monochrome print data output from thePOS application program 24 to generate and send a color print command to theprinter 12. It is therefore possible to print in two or more colors from acolor printer 12 even when thePOS application program 24 is only compatible with a monochrome printer by simply changing the printer control program. This first embodiment of the invention therefore makes it possible to issue easy-to-read receipts printed in two or more colors without financially burdening the POS system user, that is, the store. - Furthermore, because the
data processing part 30 handling the colorization process is embedded in the service object (SO) 22, i.e., printer driver, providing an interface between thePOS application program 24 andprinter 12, color printing can be achieved by simply replacing the existing printer driver with this service object (SO) 22. - Furthermore, because the process of adding color to text data is applied by print line unit, the print content can be clearly differentiated by line unit, thereby making the printed receipt easy to read. More specifically, the correlation between product name and price printed on the same line of the receipt is easier to understand, and it is easier to prevent the eyes from skipping a line when reading the price for a particular product.
- This embodiment of the invention also makes it possible to separately specify how color is used for image data and text data. It is therefore possible to print the store logo, for example, using the color preferred by the store while still making it possible to issue an easy-to-read receipt printed in two or more colors.
- Furthermore, because the colorization process is applied according to the
colorization information 38 stored in the colorizationinformation storage unit 34, printing in two or more colors according to user preferences is possible by appropriately setting thecolorization information 38 using the colorizationinformation setup unit 40. - Yet further, the
colorization information 38 can be setup by simply selecting the desired available options and values from thesetup windows colorization information 38, and a printing format using two or more colors can be easily set usingsimple setup dialogs - It should also be noted that in a two-color ink-jet printer exemplified by this
printer 12 the frequency of printing with the second (sub) color is generally low and the second color of ink is therefore consumed more slowly than the first (main) color of ink. Because the second color of ink may thus be left in theprinter 12 without being accessed for a relatively long period, the ink viscosity could increase and the composition of the ink could degrade, thus leading to such problems as clogging of the print head or the print nozzles. This first embodiment of the invention addresses this problem by printing with the second (sub) color even when monochrome print data is output from thePOS application program 24. The second (sub) color of ink is therefore used with approximately the same frequency as the first (main) color of ink, and print head clogging and other such problems can therefore be prevented. - It should be further noted that color can be added to text data in this first embodiment by specifying the text color or a background color for text data, but the invention shall not be so limited. It is also possible, for example, to separately specify both the text color and background color for text data. FIG. 10 and FIG. 11 respectively show examples of the
colorization information 38 and colorconversion settings window 210 that can be used to make these settings. It is thus possible specify printing a background using the first (main) color behind text printed in the second (sub) color, thus increasing the variations possible with two-color printing. - Furthermore, while the number of lines specified by the line unit setting repeats as a unit of lines printed with color and printed without color in this first embodiment, it is also possible to separately define the number of lines printed with color and printed without adding color. In this case the number of lines printed with color and the number of lines printed without color may be different.
- Furthermore, the
printer 12 in this first embodiment is a printer capable of printing two colors, but the invention shall not be so limited. It will be apparent that this invention can also be applied to printers capable of printing three or more colors, includingprinters 12 capable of printing mixed colors by simultaneously printing the first (main) color and second (sub) color, andprinters 12 with a print head capable of printing three or more colors. - FIG. 12 and FIG. 13 show an example of the
colorization information 38 and color conversion setup window for aprinter 12 with a function for printing three colors: the first (main) color, second (sub) color, and a blend or mixture of the first and second colors. In the examples shown in FIG. 12 and FIG. 13 the print color for text, the background, and images can be selected from these three choices, i.e., the first color, second color, and a mixed color. - It will also be noted that while the first embodiment has been described with reference to printing receipts in a POS system, the invention shall not be so limited. More specifically, the present invention can be widely applied for any purpose printing in two or more colors based on monochrome print data using a printer capable of printing in two or more colors.
- Furthermore, as a preferred embodiment of this invention the first embodiment is able to define the content of the colorization process separately for images and text data. The invention shall not be so limited, however, and could simply enable adding color by line unit to a least text data.
- Yet further, the colorization
information setup unit 40 in this first embodiment is described as part of thehost 10 controlling theprinter 12. The invention shall not be so limited, however, and the colorizationinformation setup unit 40 could be provided as a colorization information setup device separate from thehost 10. In this case thecolorization information 38 specified using the colorizationinformation setup unit 40 is sent to thehost 10 or stored to memory shared with thehost 10 so that thecolorization information 38 can be referenced by thehost 10. -
Embodiment 2 - A second embodiment of the invention will be described below with reference to FIGS.14 to 18. As will be explained in detail, a main difference between the first and the second embodiments resides in the fact that in the first embodiment the colorization process, if any, is performed in the host, whereas in the second embodiment it is performed in the printer.
- FIG. 14 is a block diagram showing the overall configuration of a POS system according to a second embodiment of the invention. As shown in the figure a POS system according to this second embodiment has a
printer 110 andhost 112. - The
printer 110 is a color ink-jet printer, for example, capable of printing two colors, a first (main) color such as black and a second (sub) color such as red or blue, and prints receipts according to print commands and/or print data sent from thehost 112. It should be noted that as in the first embodiment theprinter 110 shall not be limited to a two-color printer, and could be a color printer capable of printing three or more colors. Theprinter 110 is also not limited to an ink-jet printer, and could be a thermal transfer printer or other type of printer capable of printing in two or more colors. - Furthermore, the
host 112 is typically a computer system, andprinter 110 controls theprinter 110 by means of a printer driver operating under control by a suitable operating system such as Windows®. The printer driver provides a device independent interface between aPOS application program 113 running on the OS and theprinter 110. To achieve this functionality the printer driver has a device control object (CO) 115 for each device category and a service object (SO) 116 for each device model. - The
POS application program 113 tabulates sales data based on the product codes for the products input from the input device 114, and outputs print data for printing the tabulated result as a receipt. The print data output from thePOS application program 113 is passed to the printer control object (CO) 115, and is passed from the control object (CO) 115 to the service object (SO) 116 corresponding to theparticular printer 110 model. The service object (SO) 116 processes the print data for the printer to generate a print command according to the command specifications of theprinter 110, and then sends the print command to theprinter 110 through theOS 117. The service object (SO) 116 thus absorbs differences between different models of devices (specifically printers in this embodiment), and thus enables thePOS application program 113 to be written as a program that is not dependent on a particular device model. - A
colorization setup program 118 for setting the colorization information stored in theprinter 110 as described below is embedded in the service object (SO) 116. Thecolorization setup program 118 provides an interface for setting the colorization information by displaying specific windows and dialogs on thedisplay 119. - Print commands sent from
host 112 to theprinter 110 include commands for printing text (called “text print commands”) and commands for printing images (called “image print commands”). Theprinter 110 can print both text and images in response to the text print commands and image print commands applied thereto. In this second embodiment of the invention the print commands output by thehost 112 are monochrome print commands. Theprinter 110 has a function for applying a colorization process to monochrome print commands in order to print monochrome data with two printable colors. This function is called “colorization” below. - Commands related to image printing include ESC *, ESC L, and GS/. Command GS/, for example, tells the
printer 110 to print an image previously stored in theprinter 110. This second embodiment of the invention prints images such as a store logo pre-registered in theprinter 110 to a receipt by using command GS/. Because the image print command uses a specific command code, theprinter 110 can easily distinguish image print commands from text print commands. - The
printer 110 shown in FIG. 14 has acentral control unit 120,command interpreter 122,data processing part 124,data setting unit 126, andreception unit 128. Thecentral control unit 120 interprets commands and data received from thehost 112 by thereception unit 128 through theinterface unit 130 with thecommand interpreter 122, and runs a process according to the received command. Thecentral control unit 120,command interpreter 122,data processing part 124, anddata setting unit 126 are functional units that can be achieved by theCPU 140 running a particular control program. - Connected to the
CPU 140 areRAM 142,ROM 144, firsthead control unit 146, and secondhead control unit 148. - Provided in
RAM 142 are areception buffer 150,first print buffer 152, andsecond print buffer 154. Commands and data received from thehost 112 by thereception unit 128 are stored to thereception buffer 150. First (main) color print data is stored in a bit data format to thefirst print buffer 152, and second (sub) color print data is similarly stored to thesecond print buffer 154. - Provided in the
ROM 144 are aprogram storage unit 156 for storing the control program run by theCPU 140, computergraphic storage unit 158 for storing bit patterns for each character and bit patterns for the background added to text, animage storage unit 160 for storing logos and other image data to be printed to the receipts, and a colorizationinformation storage unit 162 for storing colorization information as further described below. - It should be noted that
ROM 144 is composed of a rewritable ROM such as EEPROM and a mask ROM or non-writable ROM storing firmware embedded in theCPU 140, theprogram storage unit 156 is disposed in non-writable ROM, and the computergraphic storage unit 158,image storage unit 160, and colorizationinformation storage unit 162 are disposed in a rewritable ROM device. The computergraphic storage unit 158 could be disposed in any ROM device. - A
first print head 164 is connected to firsthead control unit 146, and asecond print head 166 is connected to secondhead control unit 148. Thefirst print head 164 andsecond print head 166 are print heads for printing the first and second colors, respectively, and print the print data stored tofirst print buffer 152 andsecond print buffer 154 in the first and second colors as controlled by the firsthead control unit 146 and secondhead control unit 148. - The
command interpreter 122 interprets commands stored to thereception buffer 150 and determines if the print command is a text print command or image print command. The result is passed with the print data specified by the print command to thedata processing part 124. Based on the received data thedata processing part 124 stores the print data in a bit data format to thefirst print buffer 152 andsecond print buffer 154 as further described below. - If the colorization function noted above is not enabled (that is, if the colorization flag stored to the colorization
information storage unit 162 described below is not set), thedata processing part 124 reads the bit pattern data for each character to be printed from the computergraphic storage unit 158 for the print data in the text print command, and stores the bit data to thefirst print buffer 152. For image print commands the bit image data for the image to be printed is read from theimage storage unit 160 and stored to thefirst print buffer 152. Thefirst print head 164 is then driven to print data stored to thefirst print buffer 152 in one color, i.e., the first (main) color. - If the colorization function is enabled, the data is printed in two colors by running a specific colorization process according to the content of the colorization information stored to the colorization
information storage unit 162. Details of this colorization process are described further below. - FIG. 15 shows an example of the content of the colorization information. As shown in the figure the colorization information includes a colorization flag, image printing color, text printing color, text background flag, and text line unit. These are described below.
- (1) Colorization flag: Declares whether the colorization function is enabled or disabled. If the flag is set the colorization function is enabled.
- (2) Image printing color: Specifies whether to use the first (main) or second (sub) color for printing images.
- (3) Text printing color: Specifies whether to use the first (main) or second (sub) color for printing text.
- (4) Text background flag: Specifies whether to add a background color to text.
- (5) Text line unit: Declares the number of lines in one line unit for applying the colorization process. For example, if the line unit value is 2, two lines to which the colorization process is applied and two lines to which the process is not applied alternate as in the first embodiment shown in FIG. 5.
- The content of the colorization information can be set by specific color setup command sent from the
host 112 to theprinter 110. This color setup command is formatted with a command code and parameters such as shown below: - ESC X n1, n2, n3, n4, n5
- where parameters n1 to n5 correspond to the above fields (1) to (5) in the colorization information and are declared as follows:
- n1: Declares whether the colorization function is enabled (enable=1; disable=0)
- n2: Declares whether to print images with the second (sub) color (second color=1; first color=0)
- n3: Declares whether to print text with the second (sub) color (second color=1; first color=0)
- n4: Declares whether to print the text background with the second (sub) color (print=1; do not print=0)
- n5: A number specifying the number of lines in one line unit
- It should be noted that each parameter does not need to correspond to one field in the colorization information, and one parameter could correspond to multiple fields. For example, because parameters n1 to n4 can be expressed with a 4-bit value, a single parameter representing these four bits and a single parameter denoting the size of the line unit could be used so that all five fields (1) to (5) above are expressed with two parameters. Various formats can also be used to specify the above five fields (1) to (5) as parameters of the color setup command.
- When the
printer 110 receives this color setup command it specifies the content of the colorization information by means of thedata setting unit 126. - It should be noted that the command code ESC X is defined by the printer manufacturer and can be interpreted by a specific printer. Any code that can be differentiated from other commands and interpreted by a specific printer can therefore be used as the above-noted command code ESC X.
- FIG. 16 is a flow chart of the process run by the
data processing part 124 when the colorization function is enabled (that is, when the colorization flag is set). As shown in FIG. 16, whether the print command is a text print command or image print command is determined first (S300). If it is an image print command, the bit image data for the image specified in the print command is read from the image storage unit 160 (S302) and stored to thefirst print buffer 152 orsecond print buffer 154 according to the value of the image printing color in the colorization information (S304). More specifically, if the image printing color is set to the first (main) color, the image data is stored to thefirst print buffer 152, which is assigned to the first (main) color, but if the image printing color is set to the second (sub) color, the image data is stored to thesecond print buffer 154, which is used for the second color. - On the other hand, if the print command is a text print command, the colorization process is applied to the text data specified for printing by the print command based on the colorization information (S306).
- FIG. 17 is a flow chart of the colorization process applied to the text data in step S306 in FIG. 16.
- As shown in FIG. 17 the first step is to determine whether the colorization process is to be applied, i.e., whether color is to be added, to the current line based on the line unit value in the colorization information38 (S400). It should be noted that by counting the carriage return codes in the text print data to count the line number of the current line in the text, the
data processing part 124 can determine whether the current line is to be processed by the colorization process based on the counted current line number and the line unit value. If thedata processing part 124 determines that the current line is not be processed by the colorization process, the image pattern data for the text characters is read from the computergraphic storage unit 158 and stored to the first print buffer 152 (S402), and the current iteration of the colorization process ends. - However, if the colorization process is to be applied to the current line, the image pattern data for the text characters is read from the computer
graphic storage unit 158 and stored to thefirst print buffer 152 orsecond print buffer 154 according to the text color setting in the colorization information (S404). More specifically, if the color for printing text is the first (main) color, the bit images for the printed characters is stored to thefirst print buffer 152, but if it is the second (sub) color, the bit image data is stored to thesecond print buffer 154. - Whether the text background flag in the colorization information is set is then determined (S406). If the text background flag is not set (no background is to be printed), the current iteration of the colorization process ends. If the text background flag is set, however, the bit pattern data for the background pattern is read from the
image storage unit 160 and stored to the second print buffer 154 (S408), and the colorization process then ends. - The
data processing part 124 thus stores print data to thefirst print buffer 152 orsecond print buffer 154 according to the colorization information for both text and image print commands. As described above, data is thus printed in the first (main) color and second (sub) color according to the print data stored to thefirst print buffer 152 andsecond print buffer 154, respectively. The above-described process applied by thedata processing part 124 therefore enables printing a two-color receipt such as shown in the example in FIG. 5 according to the content of the colorization information based on a monochrome print command. - It should be noted that the print data stored to the
first print buffer 152 andsecond print buffer 154 in steps S304, S402, and S408 above in this second embodiment corresponds to the color print data in the accompanying claims of this invention. - Setting the colorization information in the
host 112 in this embodiment is described next. The colorization information can be set by running acolorization setup program 118 on thehost 112. When thecolorization setup program 118 is started up asettings window 300 such as shown in FIG. 18 is presented on the display 19 of thehost 112. - As shown in FIG. 18 this
settings window 300 has afield 302 for selecting two-color printing (i.e., turning the colorization function on or off), afield 304 for setting the image printing color, afield 306 for setting the text printing color, afield 308 for selecting whether to print a text background, afield 310 for setting the number of lines in each line unit, and anOK button 312. When thecolorization setup program 118 starts up a command is sent to theprinter 110 to read the colorization information, and the content of the colorization information returned in response to this command is initially displayed in the corresponding fields in thesettings window 300. - When the
OK button 312 in thesettings window 300 is clicked a color settings command is generated and sent to theprinter 110 based on the content of each field. - For example, if two-color printing is on, the image printing color is set to the second (sub) color, the text printing color is set to the first (main) color, the text background is on, and the line unit count is 2, the color settings command ESC X 11012 is sent to the
printer 110. Thedata setting unit 126 of theprinter 110 then sets the colorization information based on this color settings command. - When a monochrome print command is sent from the
host 112 to theprinter 110 in this second embodiment of the invention the colorization function of theprinter 110 applies a colorization process according to colorization information to add a second color and print in two colors. As a result, even if thePOS application program 113 run by thehost 112 is only compatible with a monochrome printer, acolor printer 110 can be used to print in two or more colors without making any changes to the program or printer driver on thehost 112 side. It is therefore possible with this second embodiment of the present invention to issue easy-to-read receipts printed in two or more colors without financially burdening the POS system user, i.e., store. More specifically, thiscolor printer 110 can be installed in a store without changing the existing POS system program, the work and cost involved in updating the POS system can be reduced, and the utilization value can be improved for the store. In the second embodiment as explained so far, the colorization setup program is part of the printer driver. In this case it would thus be necessary to change the printer driver on the host side to enable multichrome printing based on monochrome print data. As in the first embodiment, it is possible, however, to provide such colorization setup program as a separate colorization information setup unit, e.g., embodied on a data carrier, such as a CD, and distributed together withprinter 110. By executing such separate program on thehost 112, the colorization information could be entered and confirmed in the same way as explained above and multichrome printing based on monochrome print data could be achieved even without requiring the printer driver to be changed compared to that used for monochrome printing. - This second embodiment of the invention can also differentiate between image print commands and text print commands, and can define the content of the colorization process separately for text and images. A store logo, for example, can therefore be printed in the color preferred by the store while still being able to issue easy-to-read receipts in two or more colors. Therefore, if the store has a specific corporate color that color can be used to print a store logo, for example, and impress upon the customer a positive association between that color and the store.
- Furthermore, because the colorization information stored in the
printer 110 is set according to a color settings command sent from thehost 112, the content of the colorization process can be defined on thehost 112 side by the user without directly operating theprinter 110. In addition, because the colorization information can be set by simply activating thecolorization setup program 118 and entering the desired values and settings from asettings window 300 such as shown in FIG. 18, an easy-to-use interface can be provided for the user. - Yet further, because the content of the current colorization information is presented automatically in the
settings window 300 when thecolorization setup program 118 is activated, the user can readily know what the current settings are. - As noted above, this second embodiment makes it possible to add a second color for two-color printing according to a monochrome print command sent from the
host 112. This second embodiment of the invention can therefore also prevent the problems that arise when the second (sub) color is consumed more slowly than the first (main) color because the second color of ink is used at approximately the same frequency as the first color of ink. - It will also be apparent that while the colorization information in this second embodiment is described as specifying the content of the colorization process using such fields as the image printing color, text printing color, text background on/off flag, and line unit value for text to be colored, these fields are used by way of example only. For example, instead of applying the colorization process by text line unit as in the second embodiment, a single print color could be specified for all text. Furthermore, a number of patterns, such as a halftone, diagonal slashes, and solid, can also be stored in the
printer 110 so that a desired pattern can be selected. Furthermore, the first and the second embodiments have been described as allowing selection of the print color for image data which means the image data remain monochrome data even though the print-out (e.g. the receipt or other document) becomes multichrome because either text and image are printed in different colors or the text data have been converted to multichrome data. While converting monochrome text data to multichrome text data in the manner described above may be easier, it should be noted that it is also possible to convert monochrome image data to multichrome image data. One possibility is printing the stored image (e.g., a store logo) in one selected color and superimposing a selected pattern in one or more other colors. Another possibility is to separate the stored image data into two or more portions based on a predetermined algorithm and printing each portion in a different color. The algorithm could, for instance, separate the stored image data into image portions of low density and image portions of high density to apply different colors to these portions. - The
printer 110 shall also not be limited to printing two colors, a first (main) color and second (sub) color, and could be designed to print a mixed color by simultaneously printing the first and second colors. In this case each of the printing colors defined in the colorization information could be selected from among three colors: the first color, second color, and a mix thereof. Color data for which the color mix is selected in this case is stored to both thefirst print buffer 152 andsecond print buffer 154 of theprinter 110 and the same pattern is printed by thefirst print head 164 andsecond print head 166 to print the color blend. If theprinter 110 has a print head and a function for printing three or more colors, the image and text printing colors can be selected from any of the colors printable by theprinter 110. - Various printing features can thus be used as the colorization information. What is important is that the present invention makes it possible to use the colorization information to specify how monochrome print data is printed in two or more colors, and the color settings command has a format able to specify the content of each print feature corresponding to the features defined in the colorization information.
- It should also be noted that this second embodiment of the invention is described with application to printing receipts in a POS system. The invention shall not be so limited, however, and can be widely applied to printing in two or more colors based on a monochrome print command by means of a printer capable of printing in two or more colors.
- Effects of the Invention
- As will be understood from the preceding description, the present invention enables printing in two or more colors based on print data for monochrome printing.
- The present invention also enables the user to set how color is applied when generating the print data for printing in two or more colors from print data for monochrome printing.
- Furthermore, the present invention can also print in two or more colors based on print data for monochrome printing while differentiating between image and text data.
- Yet further, the present invention can print in two or more colors according to a monochrome print command received by the printer.
- It is therefore possible to install a color POS printer in a store using a POS system designed for monochrome printing without changing the existing POS system program, thereby reducing the work and cost involved in updating the system, and thus improving the value of the system for the store.
- While preferred embodiments of the invention have been described and illustrated, further alternatives, modifications, variations and applications will be apparent to those skilled in the art that in light of the foregoing description. Thus, the invention described herein is intended to embrace all such alternatives, modifications, variations and applications as may fall within the spirit and scope of the appended claims.
Claims (24)
1. A printing system that is able to perform printing in two or more colors, comprising:
print data fetching means for fetching monochrome print data;
data interpreting and evaluating means for interpreting the fetched monochrome print data and determining if it is text data or image data;
storage means for storing colorization information defining a process for applying a specific colorization process to at least one of the text data or the image data;
print data processing means for applying the specific colorization process to the monochrome print data according to the colorization information based on the result of monochrome print data interpretation and evaluation, and producing color print data for printing in two or more colors; and
printing means for performing the printing of the color print data generated by the specific colorization process.
2. A printing system as described in claim 1 , wherein
the specific colorization process is applied to a line unit of printing lines contained in the monochrome print data, and
the print data processing means runs the specific colorization process according to the colorization information.
3. A printing system as described in claim 2 , wherein the colorization information defines a process for adding a background color to characters contained in the monochrome print data.
4. A printing system as described in claim 2 , wherein the colorization information specifies a change in font color for text contained in the monochrome print data.
5. A printing system as described in claim 1 , wherein the colorization information defines a process for converting an image contained in the monochrome print data to color.
6. A printing system as described in claim 1 , further comprising setting means for enabling a user to set the colorization information using an input device while viewing colorization information for colorizing monochrome print data on a display, and wherein the print data processing means applies the specific colorization process according to the colorization information to the fetched monochrome print data and generates color print data.
7. A printing system as described in claim 6 , wherein the setting means comprises:
display control means for presenting a data entry screen containing input fields for entering the colorization information for each of a plurality of specified items; and
input control means for setting the colorization information based on content input to each input field in the data entry screen.
8. A printing system as described in claim 7 , wherein the plurality of specified items include text-related fields relating to a printing color for text.
9. A printing system as described in claim 8 , wherein the text-related fields include a field relating to a text font color.
10. A printing system as described in claim 8 , wherein the text-related fields include a field relating to a text background color.
11. A printing system as described in claim 7 , wherein the plurality of specified items include a field relating to an image printing color.
12. A printer driver for controlling a printer able to print in two or more colors, comprising:
storage means for storing a colorization information defining a specific colorization process to be applied to monochrome print data;
print data processing means for generating color print data for printing in two or more colors according to the colorization information; and
transmission means for sending the color print data to the printer.
13. A printer that is able to receive externally-generated commands or print data and to print two or more colors, comprising:
storage means for storing a colorization information defining a specific colorization process that runs corresponding to a received print command directing monochrome printing;
print data processing means for generating color print data for printing in two or more colors according to colorization information content; and
print control means for printing based on the generated color print data.
14. A POS system comprising a printing system as described in claim 1 , wherein the POS system further comprises a POS application execution unit for tabulating sales information based on information of purchased products input from an input device and outputting monochrome print data for printing a receipt.
15. A colorization setup device for setting colorization information used in a print data processing device for generating color print data for printing in two or more colors from monochrome print data, the colorization setup device comprising:
means for presenting a data entry screen containing input fields for entering colorization information for each of a plurality of specific items;
means for setting the colorization information based on content input to each input field in the data entry screen; and
means enabling referencing the set colorization information by the print data processing device.
16. A printing control method for controlling printing in two or more colors, comprising:
fetching monochrome print data for printing with a single color;
applying a specific colorization process to the monochrome print data, and producing color print data for printing in two or more colors; and
printing the generated color print data.
17. A colorization setup method for setting colorization information used for producing color print data for printing a receipt in two or more colors from monochrome print data, comprising:
presenting a data entry screen containing input fields for entering the colorization information for each of a plurality of specified items;
setting the colorization information based on a content input to each input field in the data entry screen; and
referencing the set colorization information by rendering a sample of an image of a receipt produced based on the set colorization information.
18. A colorization setup device for setting colorization information for converting monochrome print data to multichrome print data, comprising:
means for presenting a data entry screen containing input fields for entering the colorization information for each of predetermined information items;
means for setting the colorization information based on the content input into each input field;
means for producing a sample receipt based on the set colorization information, and
means for displaying or printing the sample receipt.
19. A method of printing in two or more colors in response to monochrome print data, comprising:
(a) fetching monochrome print data;
(b) interpreting the fetched print data and determining if the print data is text data or image data;
(c) storing colorization information defining a colorization process to be applied to the text data and/or the image data;
(d) applying said colorization process to the monochrome print data and producing multichrome print data in responsive to step (b) and said colorization information; and
(e) controlling printing means capable of printing in two or more colors in accordance with the multichrome print data obtained in step (d).
20. A colorization setup method for setting colorization information used for converting monochrome print data to multichrome print data, comprising:
(a) presenting a data entry screen containing input fields for entering the colorization information for each of predetermined information items;
(b) setting the colorization information based on the content input into each input field;
(c) producing a sample receipt based on the set colorization information, and
(d) displaying or printing the sample receipt.
21. A computer-readable medium embodying a program for executing on a computer a method of controlling printing in two or more colors, the program comprising instructions for:
fetching monochrome print data for printing with a single color;
applying a specific colorization process to the monochrome print data, and producing color print data for printing in two or more colors; and
printing the generated color print data.
22. A computer-readable medium embodying a program for executing on a computer a colorization setup method for setting colorization information used for producing color print data for printing in two or more colors from monochrome print data of a receipt for printing in a single color, the program comprising instructions for:
presenting a data entry screen containing input fields for entering the colorization information for each of a plurality of specified items;
setting the colorization information based on a content input to each input field in the data entry screen; and
referencing the set colorization information by rendering a sample of an image of a receipt produced based on the set colorization information.
23. A computer-readable medium embodying a program for executing on a computer a method of printing in two or more colors in response to monochrome print data, the program comprising instructions for:
(a) fetching monochrome print data;
(b) interpreting the fetched print data and determining if the print data is text data or image data;
(c) storing colorization information defining a colorization process to be applied to the text data and/or the image data;
(d) applying said colorization process to the monochrome print data and producing multichrome print data in responsive to instruction (b) and said colorization information; and
(e) controlling printing means capable of printing in two or more colors in accordance with the multichrome print data obtained in instruction (d).
24. A computer-readable medium embodying a program for executing on a computer a colorization setup method for setting colorization information used for converting monochrome print data to multichrome print data, the program comprising instructions for:
(a) presenting a data entry screen containing input fields for entering the colorization information for each of predetermined information items;
(b) setting the colorization information based on the content input into each input field;
(c) producing a sample receipt based on the set colorization information, and
(d) displaying or printing the sample receipt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/951,527 US7737990B2 (en) | 2002-03-08 | 2007-12-06 | Colorization process and system and user interface for setting colorization information |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002063863 | 2002-03-08 | ||
JP2002-063863 | 2002-03-08 | ||
JP2002-074892 | 2002-03-18 | ||
JP2002074892A JP2003266804A (en) | 2002-03-18 | 2002-03-18 | Printer, printer controlling method, apparatus and method for setting coloring information, program for executing these methods by computer and recording medium with the program recorded |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/951,527 Division US7737990B2 (en) | 2002-03-08 | 2007-12-06 | Colorization process and system and user interface for setting colorization information |
Publications (1)
Publication Number | Publication Date |
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US20040012816A1 true US20040012816A1 (en) | 2004-01-22 |
Family
ID=27759753
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10/384,427 Abandoned US20040012816A1 (en) | 2002-03-08 | 2003-03-07 | Printing system, printer, printer driver, POS system, colorization setup device, printing control method, colorization setup method, program, and storage medium for storing the program |
US11/951,527 Expired - Fee Related US7737990B2 (en) | 2002-03-08 | 2007-12-06 | Colorization process and system and user interface for setting colorization information |
Family Applications After (1)
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US11/951,527 Expired - Fee Related US7737990B2 (en) | 2002-03-08 | 2007-12-06 | Colorization process and system and user interface for setting colorization information |
Country Status (8)
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---|---|
US (2) | US20040012816A1 (en) |
EP (1) | EP1342578B1 (en) |
KR (1) | KR100589811B1 (en) |
CN (1) | CN1219651C (en) |
AT (1) | ATE317333T1 (en) |
DE (1) | DE60303463T2 (en) |
ES (1) | ES2257609T3 (en) |
HK (1) | HK1057027A1 (en) |
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US20080123142A1 (en) * | 2002-03-08 | 2008-05-29 | Seiko Epson Corporation | Colorization Process And System And User Interface For Setting Colorization Information |
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US7543231B1 (en) * | 2008-04-30 | 2009-06-02 | International Business Machines Corporation | Systems, methods and computer program products for printing a document with a portion of the document in color and a portion of the document in black and white |
US20100079776A1 (en) * | 2008-09-29 | 2010-04-01 | Seiko Epson Corporation | Printing apparatus, program, and printer driver |
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US8451474B2 (en) | 2004-11-24 | 2013-05-28 | Canon Kabushiki Kaisha | Method of protecting leakage of information, and information processing apparatus and driver program which implement the method |
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US20060119887A1 (en) * | 2004-11-24 | 2006-06-08 | Canon Kabushiki Kaisha | Information processing apparatus, printing system, and control method therefor |
US7990553B2 (en) * | 2004-11-24 | 2011-08-02 | Canon Kabushiki Kaisha | Information processing apparatus, printing system, and control method therefor |
US20100277765A1 (en) * | 2004-11-24 | 2010-11-04 | Canon Kabushiki Kaisha | Information processing apparatus, printing system, and control method therefor |
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EP1978727A1 (en) | 2007-04-03 | 2008-10-08 | Xerox Corporation | Automatic colorization of monochromatic printer documents |
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US9367779B2 (en) * | 2010-01-07 | 2016-06-14 | Seiko Epson Corporation | Encryption processing device, encryption processing system and control method for encryption processing device |
US10248944B2 (en) | 2010-09-06 | 2019-04-02 | Seiko Epson Corporation | Function expansion method in a point-of-sale system using print data |
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US9262106B2 (en) * | 2010-09-22 | 2016-02-16 | Seiko Epson Corporation | Method of adding value to print data, a value-adding device, and a recording medium |
US20140049790A1 (en) * | 2012-08-14 | 2014-02-20 | Seiko Epson Corporation | ePOS Printing |
US9483224B2 (en) | 2012-08-14 | 2016-11-01 | Seiko Epson Corporation | ePOS printing |
US10032096B2 (en) | 2012-08-14 | 2018-07-24 | Seiko Epson Corporation | Terminal and method to access an intelligent module adapted to connect to a printer, and to access a web server in which a web application is maintained |
US10089560B2 (en) | 2012-08-14 | 2018-10-02 | Seiko Epson Corporation | ePOS printing |
US9052863B2 (en) * | 2012-08-14 | 2015-06-09 | Seiko Epson Corporation | ePOS printing |
EP2980693A4 (en) * | 2013-03-29 | 2016-12-21 | Seiko Epson Corp | Print control device, print device, data processing method, and print control device setting method |
US10752021B2 (en) | 2013-03-29 | 2020-08-25 | Seiko Epson Corporation | Print control device, printing device, and specifying print objects to determine an attribute for replacing the print objects with a different print object |
US11144263B2 (en) * | 2019-02-07 | 2021-10-12 | Kyocera Document Solutions Inc. | Printer driver |
US11125031B2 (en) * | 2019-07-19 | 2021-09-21 | Milestone Environmental Services, Llc | Receiving pit and trench for a drilling fluid disposal system |
Also Published As
Publication number | Publication date |
---|---|
HK1057027A1 (en) | 2004-03-12 |
KR20030074286A (en) | 2003-09-19 |
US20080123142A1 (en) | 2008-05-29 |
CN1219651C (en) | 2005-09-21 |
US7737990B2 (en) | 2010-06-15 |
EP1342578B1 (en) | 2006-02-08 |
EP1342578A1 (en) | 2003-09-10 |
CN1446693A (en) | 2003-10-08 |
ES2257609T3 (en) | 2006-08-01 |
DE60303463T2 (en) | 2006-08-17 |
ATE317333T1 (en) | 2006-02-15 |
DE60303463D1 (en) | 2006-04-20 |
KR100589811B1 (en) | 2006-06-14 |
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Owner name: SEIKO EPSON CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MINOWA, MASAHIRO;REEL/FRAME:014216/0016 Effective date: 20030523 |
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STCB | Information on status: application discontinuation |
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