Printer, print control program, medium having print control program recorded therein, and printing method
First Claim
1. A printer of the type having an ink cartridge mount to carry a plurality of ink cartridges thereon and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said ink cartridge mount is so designed as to carry at least three ink cartridges filled respectively with three chromatic color inks and a secondary ink cartridge filled with a chromatic color ink differing in hue from any of said three chromatic color inks.
1 Assignment
0 Petitions
Accused Products
Abstract
Colors look differently when observed under sunlight and room light. At least three chromatic colors and additional chromatic colors differing in hue from said three colors are used in combination. The additional colors are those which have a spectral reflectance which smoothens waviness in the spectral reflectance curve of the nearly achromatic color produced by the combination of the three chromatic colors. As the result, the combination of the colors gives rise to a color which has almost uniform spectral reflectance over the entire region of wavelengths. Thus it is possible to obtain printing which is less vulnerable to change in color under different light sources.
28 Citations
19 Claims
- 1. A printer of the type having an ink cartridge mount to carry a plurality of ink cartridges thereon and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said ink cartridge mount is so designed as to carry at least three ink cartridges filled respectively with three chromatic color inks and a secondary ink cartridge filled with a chromatic color ink differing in hue from any of said three chromatic color inks.
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3. A printer of the type having an ink cartridge mount to carry a plurality of ink cartridges thereon and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said ink cartridge mount is so designed as to carry at least three ink cartridges filled respectively with three chromatic color inks and a secondary ink cartridge filled with a color ink which smoothens waviness in the spectral reflectance curve of the nearly achromatic color produced by combination of these three colors inks.
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14. A print control program to control printing with a printer having an ink cartridge mount capable of mounting main ink cartridges filled with at least three chromatic color inks and secondary ink cartridges filled with chromatic color inks differing in hue from said three color inks, and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said print control program causes a computer to realize an image data acquisition function to acquire image data consisting of pixels arranged in a dot matrix, a color conversion table storing function to store in a prescribed storage area the color conversion table which specifies the correspondence between said image data and the ink color image data which specifies the color of pixels with at least said three chromatic colors and the color of the inks held in the secondary ink cartridge, a color conversion function to convert said image data into said ink color image data by referencing said color conversion table, a printing data generating function to generate printing data to perform printing with colors specified by the ink color image data which has undergone said color conversion, and a printing data output function to output said printing data so as to control the driving of said printing mechanism.
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15. A print control program to control printing with a printer having an ink cartridge mount capable of mounting main ink cartridges filled with at least three chromatic color inks and secondary ink cartridges filled with color inks having spectral reflectance capable of smoothing waviness in the spectral reflectance curve of the nearly achromatic color produced by combination of these three colors inks, and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said print control program causes a computer to realize an image data acquisition function to acquire image data consisting of pixels arranged in a dot matrix, a color conversion table storing function to store in a prescribed storage area the color conversion table which specifies the correspondence between said image data and the ink color image data which specifies the color of pixels with at least said three chromatic colors and the color of the inks held in the secondary ink cartridge, a color conversion function to convert said image data into said ink color image data by referencing said color conversion table, a printing data generating function to generate printing data to perform printing with colors specified by the ink color image data which has undergone said color conversion, and a printing data output function to output said printing data so as to control the driving of said printing mechanism.
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16. A medium recording thereon a print control program to control printing with a printer having an ink cartridge mount capable of mounting main ink cartridges filled with at least three chromatic color inks and secondary ink cartridges filled with chromatic color inks differing in hue from said three color inks, and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said print control program causes a computer to realize an image data acquisition function to acquire image data consisting of pixels arranged in a dot matrix, a color conversion table storing function to store in a prescribed storage area the color conversion table which specifies the correspondence between said image data and the ink color image data which specifies the color of pixels with at least said three chromatic colors and the color of the inks held in the secondary ink cartridge, a color conversion function to convert said image data into said ink color image data by referencing said color conversion table, a printing data generating function to generate printing data to perform printing with colors specified by the ink color image data which has undergone said color conversion, and a printing data output function to output said printing data so as to control the driving of said printing mechanism.
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17. A medium recording thereon a print control program to control printing with a printer having an ink cartridge mount capable of mounting main ink cartridges filled with at least three chromatic color inks and secondary ink cartridges filled with color inks having spectral reflectance capable of smoothing waviness in the spectral reflectance curve of the nearly achromatic color produced by combination of these three colors inks, and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said print control program causes a computer to realize an image data acquisition function to acquire image data consisting of pixels arranged in a dot matrix, a color conversion table storing function to store in a prescribed storage area the color conversion table which specifies the correspondence between said image data and the ink color image data which specifies the color of pixels with at least said three chromatic colors and the color of the inks held in the secondary ink cartridge, a color conversion function to convert said image data into said ink color image data by referencing said color conversion table, a printing data generating function to generate printing data to perform printing with colors specified by the ink color image data which has undergone said color conversion, and a printing data output function to output said printing data so as to control the driving of said printing mechanism.
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18. A printing method for a printer having an ink cartridge mount to carry a plurality of ink cartridges thereon and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said ink cartridge mount is so designed as to carry at least three ink cartridges filled respectively with three chromatic color inks and a secondary ink cartridge filled with a chromatic color ink differing in hue from any of said three chromatic color inks.
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19. A printing method for a printer having an ink cartridge mount to carry a plurality of ink cartridges thereon and a printing mechanism for printing on printing paper with inks received from said ink cartridges, wherein said ink cartridge mount is so designed as to carry at least three ink cartridges filled respectively with three chromatic color inks and a secondary ink cartridge filled with a color ink which smoothens waviness in the spectral reflectance curve of the nearly achromatic color produced by combination of these three colors inks.
Specification