Imaging method and imaging device, object to be imaged, printing method

A technology for a camera device and object, applied in the field of camera technology, can solve the problems of inability to correspond to filters, difficult to distinguish identification symbols and basic printing, etc.

Inactive Publication Date: 2003-01-29
SUNTORY HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with this method, it is still difficult to distinguish the identification symbol from the background printing when the background printing is dark. Of course, there is still room for improvement.
In addition, when the base print is composed of multiple colors, it cannot correspond to the filter

Method used

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  • Imaging method and imaging device, object to be imaged, printing method
  • Imaging method and imaging device, object to be imaged, printing method
  • Imaging method and imaging device, object to be imaged, printing method

Examples

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Embodiment Construction

[0050] Embodiments of the present invention are described below with reference to the drawings.

[0051] The imaging method and imaging device according to the present invention are used, for example, to check the date of manufacture printed on the side of a corrugated cardboard box on a production line that sequentially packs various beverages such as soft drinks and alcoholic beverages into corrugated boxes. Whether the identification symbols such as date are correct. Such as figure 1 As shown, the inspection process on the packing production line is equipped with a conveyor 14 that continuously conveys corrugated cartons (an example of containers) that have been closed in a state that has received a certain number of beverage items.

[0052] On the side 1A of the corrugated carton 1, the pattern (an example of the first part d1) 2 is pre-printed with a printer not shown in the figure, and after receiving a certain number of beverages, a stamp machine not shown in the figu...

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PUM

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Abstract

An imaging method comprising the steps of applying light from a light emitting means (4) to an object (S) to be imaged consisting of a first portion (d1) serving as a design (2) and printed on a side surface (1A) of a cardboard box and a second portion (d2) serving as identification symbols (3) such as manufacturing date, month, year and attached to the former, and receiving the applied light by a light receiving means (5) to image the object (S), wherein a reflectance of near infrared light on the object (S) is set to be different at the first portion (d1) and the second portion (d2), and light beamed from the light emitting means (4) includes a near infrared region component that is then received by a light receiving means (5) and used for imaging. Accordingly, identification symbols are accurately detected and recognized without being mixed up with base printing even in the presence of dark base printing on a symbol-printing surface.

Description

technical field [0001] The present invention relates to an imaging method, an imaging device, an imaging object, and a printing method for irradiating an imaging object with a light-emitting device and receiving the irradiated light with a light-receiving apparatus. The imaging technology that can correctly recognize the pattern on the occasion. Background technique [0002] The imaging method (imaging device) is used, for example, in various beverage production lines such as soft drinks and alcoholic beverages to check the date of manufacture printed on the outside of corrugated cardboard boxes containing these beverages or on the labels of containers containing beverages, etc. Used to identify whether the symbol is correct. The conventional inspection is to irradiate the printed surface with white light such as a fluorescent lamp, detect the identification symbol that is image-processed and printed on the signal of the reflected light captured by a black-and-white charge-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F33/14G01N21/956G06T1/00G06V10/143
CPCG01N21/956G06K9/2018G06V10/143
Inventor 山岸隆裕田村重喜
Owner SUNTORY HLDG LTD
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