JPH04251396A - Color bar code - Google Patents

Abstract

PURPOSE:To remarkably improve the information density per unit area of color bar codes by constituting the bar codes of eight kinds of colored bars prepared by combining three primary colors. CONSTITUTION:Color bar codes are constituted of eight kinds of colored bars by combining three primary colors of red, blue, and yellow and white bars 1 are constituted without using blue 9, yellow 10, and red 11 and are defined as '000' BCD code. Red bars 2 are composed of red 11 color and defined as '001' BCD code and yellow bars 3 are composed of yellow 10 color and defined as '010' BCD code. Orange bars 4 are composed of yellow 10 and red 11 and defined as '011' BCD code and blue bars 5 are composed of blue 9 and defined as '100' BCD code. Purple bars 6 are composed of blue 9 and red 11 and defined as '101' BCD code and green bars 7 are composed of blue 9 and yellow 10 and defined as '110' BCD code. Black bars 8 are composed of blue 9, yellow 10, and red 11 and defined as '111' BCD code.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to bar codes, and more particularly to the encoding of bars.

0002

2. Description of the Related Art Conventionally, this type of bar code is composed of a white bar and a black bar, and is coded into two values depending on whether the bar is narrow or wide.

0003

The conventional barcode described above has the disadvantage that the information density per unit area is low because it can encode only two values, thin and thick, relative to the body bar.

[0004] The object of the present invention is to convert barcodes into red, blue,
This color bar eliminates the above drawbacks by being composed of eight color bars that combine the three primary colors of yellow, and enables eight-value encoding with the body bar, greatly increasing the information density per unit area. The purpose is to provide the code.

[0005]

[Means for Solving the Problems] The color barcode of the present invention is composed of eight color bars that are a combination of three primary colors: red, blue, and yellow.

[0006]

Embodiments Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram showing a combination of color barcodes according to an embodiment of the present invention, and FIG. 2 is a diagram showing an example of a barcode in which the color bars defined in FIG. 1 are combined.

In FIG. 1, a white bar 1 includes blue 9, yellow 10
, Red bar 2 is defined as BCD code 000 without all red 11, Red bar 2 is defined as BCD code 001 with red 11, Yellow bar 3 is defined as BCD code 010 with yellow 10, Light bar 4 is defined as BCD code 000 without all red 11. is defined as the BCD code 011 consisting of yellow 10 and red 11, and blue bar 5 is defined as the BCD code 011 consisting of blue 9.
Defined as 100 of D code, purple bar 6 is blue 9 and red 11
Green bar 7 consists of blue 9 and yellow 10 and is defined as BCD code 110; black bar 8 consists of blue 9, yellow 10, and red 11 and is defined as BCD code 111. do.

FIG. 2 shows an example of a barcode that combines color bars defined in FIG. 1 above.

0010

[Effects of the Invention] As explained above, by making the color barcode of the present invention a color barcode, it is possible to encode 8 values with the body bar, and the information density per unit area can be greatly improved. There is an effect.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing a combination of color barcodes according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a barcode that combines color bars defined in FIG. 1;

[Explanation of symbols]

1 White bar 2 Red bar 3 Yellow bar 4 Light bar 5 Blue bar 6 Purple bar 7 Green bar 8 Black bar 9 Blue 10 Yellow 11 Red

Claims (1)

[Claims] [Claim 1] 8 that combines the three primary colors of red, blue, and yellow
A color barcode characterized by being composed of bars of the color of the species.