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Authentication device

A technology for authentication devices and printing devices, applied in printing devices, digital data authentication, printing, etc., can solve problems such as excessive load, device failure, and printing image quality degradation, so as to prevent printing quality degradation, reliable identification, and improve authentication The effect of precision

Active Publication Date: 2018-05-11
RISO KAGAKU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this time, when an inappropriate ink cartridge is installed in the inkjet printing device and used, for example, the ink aggregates and the aggregated ink clogs the nozzle, resulting in ejection failure, or the ink that landed on the paper bleeds out to cause the edge of the image. Bad etc.
These problems cause the quality of printed images to deteriorate
In addition, when the ink aggregates, an excessive load is applied to each device in the device, which may also cause device failure.

Method used

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Examples

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Embodiment 1

[0034] In Embodiment 1 of the present invention, an authentication device applied to an inkjet printing apparatus including a main unit and various consumables detachably attached to the main unit will be described as an example. color cartridges.

[0035]

[0036] figure 1 It is a figure explaining the structure of the inkjet printing apparatus 1 as an authentication apparatus concerning Example 1 of this invention.

[0037] The inkjet printing device 1 according to the first embodiment of the present invention includes an ink cartridge and a main unit having a structure other than the ink cartridge. The inkjet printing apparatus 1 in the state where the ink cartridge is installed in the main body apparatus is taken as an example and demonstrated.

[0038] Such as figure 1 As shown, the inkjet printing apparatus 1 includes inkjet heads 110C, 110M, 110Y, and 110K corresponding to C (cyan), M (magenta), Y (yellow), and K (black) inks.

[0039]The printing paper is conve...

Deformed example 1

[0115] In Modification 1 of the present invention, the password generating unit 14 generates authentication serial data (consumables stored information), but it is also possible to specify any readout mode from among multiple readout modes.

[0116] Specifically, the readout mode and designation information for designating the readout mode are also stored as a pattern table in association with the memory 153K. When the designation information is set, the first collating unit 12 selects the A read pattern corresponding to the set designation information is extracted, and authentication serial data (consumable storage information) corresponding to the extracted read pattern is read.

[0117] Figure 5 is a diagram showing an example of a pattern table stored in the memory 153K.

[0118] Such as Figure 5 As shown, the pattern table 183 stored in the memory 153K is capable of storing 8-byte data of the "1" byte to the "8" byte respectively for the pages "Page0" to "Page11" as ...

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Abstract

A first comparison unit (12) compares a password which is static information generated by a password generating unit (14) of a main device (2) on the basis of authentication serial data read from a memory (18) in accordance with a reading pattern and a first password generated in advance on the basis of the authentication serial data and stored in advance in a memory (153K) a second comparison unit (13) compares a password generated by the password generating unit (14) of the main device (2) on the basis of an ID inputted to the main device (2) from an ink cartridge (150) and a second passwordgenerated in advance on the basis of the ID and stored in advance in the memory (153K) and an authentication unit (16) performs permission authentication of the ink cartridge (150) when it is determined that the results of comparison in the first comparison unit (12) match and it is determined that the result of comparison in the second comparison unit (13) match.

Description

technical field [0001] The present invention relates to an authentication device that prevents degradation of printing quality and device failure by performing license authentication only on appropriate consumables. Background technique [0002] In the printing device, various consumables such as ink cartridges and stencil base paper are detachably installed according to the printing method. [0003] For example, in an inkjet printing apparatus, ink cartridges storing ink by color are detachably provided as consumables. The ink is supplied from the ink cartridge to the inkjet head, and the ink is ejected from the nozzles of the inkjet head toward the printing paper, whereby the inkjet printing apparatus prints images, characters, and the like. [0004] At this time, when an inappropriate ink cartridge is installed in the inkjet printing device and used, for example, the ink aggregates and the aggregated ink clogs the nozzle to cause ejection failure, or the ink that landed ...

Claims

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Application Information

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IPC IPC(8): B41J29/38B41J2/01B41J2/175B41J29/00G06F21/44
CPCB41J2/01B41J2/175B41J29/00B41J29/38G06F21/44
Inventor 伏见隆弘
Owner RISO KAGAKU CORP
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