JP2539744B2 - Optical reading code and information transmission method - Google Patents

Description

Detailed Description of the Invention [0001] BACKGROUND OF THE INVENTION The present invention is applicable to product names, prices, symbols, etc.
The present invention relates to an identification code sheet for displaying a code. Yo
More specifically, it can be read optically by a machine.
The present invention relates to a binary code identification code sheet. [0002] 2. Description of the Related Art A conventional method for reading an identification code reader of this type.
As a conventional technology, an identification code using a well-known bar code
As a reading device for this, Japanese Patent Publication No. 53-21980 "Ba
-Code character recognition device "exists. [0003] [Problems to be Solved by the Invention]
For some barcodes, it depends on the thickness of the line and the position of the line.
Since it identifies the code, it causes a read error.
Since there is a high possibility of being twisted, most of them generally represent numbers.
There are rare cases where you can read the alphabet.
Those that are compatible with JIS Kanji code (that is, Kanji
Those that can display letters) have not been put to practical use. Also,
Accurately read the thickness and position of the bar code display line
Must be, barcode printing error, barcode paper
Expansion and contraction, unevenness of the sticking surface of barcode paper and sensor
Scanning changes due to changes in the relative angle to the bar code paper.
There is a problem such as generation of error. The present invention is based on the above reading
Error code and code page information
The problem is to display the quantity at a specific position on the code paper.
The present invention also facilitates the recording of binary codes.
In addition, it is necessary to facilitate image processing during reading.
The title. [0004] The first invention of the present application is directed to an X-axis base.
A display area (data is divided by line 1 and Y-axis baseline 2)
Display area a), and the display area a is set to 2ⁿ[N ≧
4] divided into 2ⁿ[N ≧ 4] subdivisions (unit data
Taelia) 3 matrix, 2 for each subsection 3
The value signal mark K is recorded and 2 in the entire display area.ⁿ[N ≧
4] Binary code can be recorded and machine can read optically
In the optical reading code to be
Providing an optical reading code that is characterized by forming a gap
I do. The second invention of the present application is the same as the first invention of the present application.
The special mark (synchronization mark) 4 is displayed in the gap.
The optical reading code is provided. Third invention of the present application
In the direction perpendicular to the printing direction of the dot printer.
A row of dots, one containing multiple rows and one between
2 with a space between lines or multiple linesⁿ[N ≧ 2] parts
And the dot row in the printing direction is also divided.
Each divided part is divided into display bits for 1 bit.
Provided optical read code. Fourth invention of the present application
Is the optical reading code of the first invention of the present application or the second invention of the present application
Code the transmission information based on
And print the printed code with an optical reader.
And provide an information transmission method characterized by conversion into information.
To serve. [0005] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following description is based on the embodiments shown in the drawings.
Reveal With reference to FIG. 4, the prior application of the applicant of the present application
No. 62-173352 "Identification code paper" identification code
The paper A will be described. The identification code paper A has X-axis baseline 1 and Y-axis.
A quadrangle with an appropriate shape and area regulated by the axis base line 2
Has a code display surface B having a display area b of
Ya b is 2^Four= 16 or more subdivisions (unit data area)
Divided into 3 (in FIG. 4, P1, P2, P3 ...
Divide into 16 subsections of P16). 2 for each subdivision 3
By recording the value signal mark K, the entire display area b
The body records 16 binary codes and 2^Four× 4 digits (immediately
Two^FourBy combining four 0,1,2 ... F
R), JIS kanji code, single display area
It is possible to record and display an arbitrary arbitrary kanji character with b. [0006] It should be noted that a kanji code by 16 subdivisions 3
16 sub-segments 3 to 4 sub-segments
(Unit set data area)^FourPieces
of Binary coding of 0, 1, 2 ... F by subsection 3
Horizontal direction of P1, P2, P3, P4, vertical direction, diagonal direction
And other appropriate combinations can be encrypted.
Can be Record and display the binary code in each subdivision 3
The binary signal mark K for the purpose is as shown in FIG.
It is not necessary to completely fill subsection 3
As shown in the figure, leaving a blank part in a part of subsection 3
(For example, circles for b, stars for c, triangles for d, etc.)
However, the object of the present invention can be achieved. Furthermore, FIG.
As shown in C, a plurality of small marks k having appropriate shapes are arranged.
By doing so, the binary signal K can be formed. Well
As the signal display method of the binary signal of the small section of the octopus,
The marking method is not limited, and it may be perforated or magnetized.
A method that allows you to obtain the same effect using a writing method such as ink
Considered as. [0007] In the embodiment shown in FIG. 6, the extended X-axis base is
Line 11 and extended Y-axis baseline 12 are added to add auxiliary display
Set the rear d and put the auxiliary mark on the proper position of the auxiliary display area d.
Record and display item 5. In FIG. 6a, the X-axis baseline and the Y-axis baseline are
Record and display the auxiliary mark 5 at a diagonal position with respect to the 0 point of the line,
In FIG. 6b, the identification code is set to a position other than the diagonal position with respect to the point O.
Make the display of paper A legible and print it on a transparent film, for example
When reading the generated code, you can read the code whether it is on the front or back.
Make it readable. The auxiliary mark 5 is not limited to a square shape.
The circles of a, b, c, d, and e in FIG.
Anything, such as a triangle, whose presence can be identified
Yes. Further, as shown in FIG. 7, an X-axis baseline 1 and a Y-axis baseline 2
In addition, the horizontal small dividing line 6 and the vertical small dividing line 7 are printed and displayed.
If you do not print with a microcomputer printer,
Fill each subsection 3 with a writing instrument or mark the circles etc.
By showing the ID code, the signal will be applied at the site of application.
The code can be determined. Further, the identification card paper A shown in FIG.
At the intersection of the horizontal small dividing line 6 and the vertical small dividing line 7,
A mark 4 is provided to read the classification mark 4
Make the box readable. Mark code surface B on identification code paper A
When printing, use standard printing means
You can also do this, but it is currently available in 16, 24
Computer printer or handy computer
It can also be printed out using a computer.
In this case, the character string (product name, department name, address name, telephone number
JIS numbers, etc.) and sentences (messages, advertisements, etc.)
According to the code, it is converted into a binary code by computer processing and one sentence
2 for each letter¹⁶Pair one display area b of each signal code
Display area displayed in binary code
Display the letter L corresponding to the adjacent part of b (for example, below)
Then, the product name, person in charge, etc. will be coded and displayed in kanji.
This is convenient and convenient (see FIG. 10). In addition, the actual
In the embodiment, 16 subsections P1, P2 ...
In the middle sections Q1, Q2, Q3, Q4 (P1, P
2, P3, P4) ... (P13, P14, P15, P1
6) and subdivision address, but 16 subdivisions
Method for dividing minute 3 into 4 groups and arrangement in middle section
Order (ie, a set of subdivision address arrays for each middle division)
Matching) is optional and suitable for controlling the microcomputer printer.
It can be changed as appropriate. Also, the JIS Kanji code is approximately
Only 7700 characters are used, so this application code
Then, for example, when n = 4, 2¹⁶= 65536 characters
Can be coded(Ie 2 ^Four = 16 subsections 3 are formed
In the displayed area b, 2 ¹⁶ = 65536
Information can be recorded)Because of the current uncoded Thai
Words, Arabic characters, Chinese characters, phonetic symbols, and even sounds
The voice for voice synthesis can also be displayed by encoding it and registering it.
You. FIG. 9 is a 24-dot computer with the identification code paper of FIG.
It shows the case of printing out with a printer.
4 dots of the circle 4 and the binary signal displayed in each subsection 3
9 dots are assigned to the number mark K. [0009] Next, the identification code sheet reading device will be described.
1 and 2, the sensor (line sensor) 8
Move the, input the read signal, display device, printer
JIS Kanji code, other display to output device 9 such as
Output and binary signals for printing
A con 10 is provided. The microcomputer 10 is the device shown in the flow chart of FIG.
The display area determining means 11 and the sub-category determining means 1
2, the number of intermediate division determination 13, binary signal presence determination means 14, 2
Decimal code conversion means 15 and output device code conversion means
The display area determining means 11 includes the X-axis baseline.
Detecting means 11a, Y-axis baseline detecting means 11b and X-axis base
This is achieved by the function of the line direction correction means 11c. The subdivision determining means 12 includes a setting storage means 15
Based on the instructions, the specified intervals in the X-axis and Y-axis directions
(Or a predetermined number). In addition, division mark detection small ward
The minute determining means 17 is a classification mark recorded on the identification code paper.
4 is used to divide the display area into a predetermined number.
Image processing of the detection signal of the classification mark 4 with a microcomputer
The distance between the baselines 1 and 2 and the mutual distance
Display the area b by judging the position and area of each subsection
Functions to divide into a number of subdivisions 3. [0011] The number of medium divisions determined 13 is the identification code of the reading target
Of the subdivisions for each medium division identified for the paper
Address assignment (for example, when printing out
Address combinations of the subdivisions of each middle division stored in the computer)
According to the contents preset in the storage means 21 according to
The subdivision is divided into a specified number of groups with a specified address combination.
Function to split. The binary signal presence / absence discriminating means 14 is provided for each subsection 3
Area of binary signal mark K by image processing
The input value proportional to is within a predetermined value range (for example, 9th
In the illustrated embodiment, it is an integrated value corresponding to 4 to 9 dots).
When the binary signal mark K exists
And the binary code converting means 15 has a binary signal of each subsection.
2 depending on the presence or absence of the number markⁿ[N ≧ 4] binary code
Each has a function to determine the value of
It is set by the program. Microcomputer 10
2, an arithmetic unit (CPU) 20 that produces the above function
And an input interface in addition to the storage means 21
(Data capture processing means) 18 and output interface
Chair (output device data conversion means 19 is attached
You. [0013] Also, move the line sensor as in the example.
There is also a method of reading, but you can read multiple codes (example
Area (two-dimensional) sensor of the size of each page
The same purpose can be achieved by using
Line itself, the direction of the Y base line and the position of the auxiliary mark itself
You can read not only the direction of but also the direction of the character string. in this case
Each table is displayed in the direction of X base line 1 and Y base line 2 and the position of auxiliary mark 5.
As described above, the indication area can be determined.
The direction of the character string depending on the position and number of the auxiliary marks 5.
You can also decide. For example, referring to FIG.
The reading direction of the column is a for right, b for left, and c for downward.
And d is the upward direction. [0014] In addition, the position and number of auxiliary marks 5
It is used as an instruction signal for determining the combination of subdivisions.
Can also be used. The detection signal from the sensor is sent to the CPU
And the image solution based on the instructions preset in the storage means.
The analysis results in each function in Fig. 1.
Referring to the flow chart of 3, the X-axis baseline and Y-axis baseline
Calculation and figure processing (rotation / movement) to standard position dimensions
Unnecessary data for code calculation in memory along with X-axis and Y-axis
Display area b is determined by rounding off
I do. In addition, the auxiliary base lines 11 and 12 and the auxiliary mark 5
When calculated by image analysis, X-axis baseline 1 and Y-axis baseline 2
The direction can be quickly determined, and the figure can be inverted if necessary.
It is convenient to be able to. [0015] In addition, as shown in b of FIG.
If it has the mark 5, the identification code paper will be read according to its interpretation.
It is possible to detect the inside-out pasting and correct it on the memory.
It is possible to cope with a mistake in pasting another code. Change
As shown in FIG. 9, above the subsection 3 in the display area b.
If there is a space between adjacent ones on the bottom left and right
Binary signal marks (black mark) for all subsections 3 in the vertical direction.
(4) Discontinuity between the division mark 4 and the binary signal mark
Is clearly distinguished from the straight X-axis baseline 1 and Y-axis baseline 2.
Since the calculation of the display area b becomes more accurate,
It is convenient. [0016] In addition, the X-axis baseline 1 and the adjacent subsection 3
And between the Y-axis baseline 2 and the adjacent subsection 3
(No signal mark part) is set to connect binary signal marks.
It is possible to separate the straight line from the continuation and both baselines
However, as shown in Fig. 8, the gap (no signal mark part) is intermittently generated.
If present, both baselines can be determined and displayed more accurately and easily.
The rear can be easily determined. FIG. 12A shows both base lines 1 and 2.
The case where the gap g is formed adjacent to
It may be formed in the middle of the small section as shown in b.
By changing the position and number of the
It is used as a command to specify the reading direction of character strings and
Use as instructions for subdivision combinations that make up minutes
You can also Furthermore, as shown in FIG.ⁿSmall wards
By making the interval g exist every minute, one display area is displayed.
Display the binary code corresponding to multiple Kanji characters
Can also be. The flowchart in Fig. 3 shows a single task.
Although it is the first speed processing in the, the memory area of the sensor input
Capture and computation; higher if output can be multitasked
Can speed up. As described above, the present invention is based on the X-axis baseline.
1, the display area b is determined by the Y-axis base line 2.
2^FourIf you do not divide into the above subsections, for example, horizontal
Even if it is divided into multiple parts only in the vertical direction or in the vertical direction,
The display area can be divided into two horizontal rows.
You may split and display the code in two rows above and below]. In addition, the table
Consider the display area as a single subdivision, and
Recorded with other coded marks
The reading area can be read in unlimited directions.
Thus, the object of the first invention can be achieved. Also, the ward
2 by minute processing using the minute mark 4ⁿ[N ≧
4], the line sensor will
Move the sir by hand to move the sensor relative to the identification code paper.
Accurate reading even when the moving speed changes
At the same time, due to the expansion and contraction of the identification code paper and the unevenness of the pasted surface
Precisely even if the effective area for a small section of the sensor changes
It is legible. Handy computer and other general
You can print the identification code using a simple printer,
You can write the identification code by hand, or use a high-quality barcode.
It is also possible to use plain paper without using paper. SE
Data can be captured if it is within the reading range of the sensor.
Therefore, even if the individual code is large or small or the direction is different, it can be read.
Yes, printout and handwriting by printer
Or a mixture of different types of labels or affixing different labels to the identification code paper
Even when combined, the object of the present invention can be achieved. Printout with a transparent magnetic ink ribbon
When both handwriting and handwriting are applied, both sensor reading and visual recognition
The code can be read with. Code remainder, about 5780
If you register 0 (= 65536-7700) minutes, Thai
Beer phonetic symbols can also be represented, making them blind to newspapers, magazines, etc.
It can also be used for a human voice synthesis reader. The X-axis base
As shown in FIG. 13, the line 1 and the Y-axis baseline 2 are not orthogonal to each other.
Cross the appropriate angle as shown,
It can also be shaped. In the above-mentioned identification code sheet A, the first
The invention will be described with reference to FIG. 8 and FIG.
And a gap is formed between the X-axis baseline 1 and the Y-axis baseline 2.
You. Further, the second invention of the present application is such that the division mark 4 is provided in the gap.
indicate. The third invention of the present application will be described with reference to FIG.
Dots lined up in the direction orthogonal to the printing direction in the linter
Line of one or more lines containing multiple lines and between each other
2 minutes apartⁿWhen divided into [n ≧ 2] parts
In both cases, the row of dots in the printing direction is also divided and divided.
Each of the marked parts is used as a 1-bit display mark.
Also, scan the dots for one or more lines along the printing direction.
It is a leading mark that displays the reference position. Figure 9
Code the transmitted information based on the optical reading code above
Fig. 1 shows that the data is printed by a dot printer.
3 to FIG. 3, the printed code of FIG.
By reading with a reading device and converting into information,
It illustrates the invention. [0021] As described above, according to the present invention, the identification code paper and the security
Always accurate even if the relative direction to the sensor or the relative reading speed changes.
Can be read by In addition, a dot printer
Can be printed. Furthermore, subdivision (unit day
Due to the existence of a gap between the three
Image processing of the tag is easy.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of the present invention showing a microcomputer with functions corresponding to claims. FIG. 2 is a schematic diagram showing the outline of the present invention. FIG. 3 is a flowchart showing an example of microcomputer processing for implementing the present invention. FIG. 4 is a plan view of an identification code sheet used for implementing the present invention. FIG. 5 is an explanatory diagram of a binary code mark. FIG. 6 is an explanatory diagram of an identification code sheet having an auxiliary mark. FIG. 7 is an explanatory diagram of an identification code sheet having vertical small section lines and horizontal small section lines. FIG. 8 is an explanatory diagram of an identification code sheet having a division mark. 9 is a partial explanatory view of the identification code sheet of FIG. 8 showing a state in which a binary code mark is recorded. FIG. 10 is a plan view of an identification code paper with a corresponding JIS kanji code and character display. FIG. 11 is a schematic view showing an instruction of a reading direction of a character string by an auxiliary mark. FIG. 12 is a schematic view showing an identification code sheet having a gap. FIG. 13 is a schematic view of an identification code paper showing a case where the Y-axis baseline and the X-axis baseline are in a non-orthogonal state. [Explanation of symbols] 1 ... X-axis base line 2 ... Y-axis base line 3 ... Small section 4 ... Medium section 5 ... Auxiliary mark b ... Display area d ... Auxiliary display area K ... Binary signal mark

Claims (1)

(57) [Claims] [Claim 1] A display area a defined by an X-axis base line 1 and a Y-axis base line 2 is provided, and the display area a is set to 2 ⁿ [n ≧ 4].
Is divided into pieces to form a matrix of ² n [n ≧ 4] number of subsections 3, each subsection 3 to record the binary signal mark K, the entire display area ^{2 N [N =} 2 n [ n ≧ 4] pieces of information
An optical read code for recording information and making the machine optically readable, characterized in that a gap is formed between the subsections 3.
Optical reading code [Item 2] A display area a defined by an X-axis base line and a Y-axis base line is provided, and the display area a is divided into 2 ⁿ [n ≧ 4] pieces and 2 ⁿ [n ≧ 4]. A matrix of a plurality of small sections 3 is formed, a binary signal mark is recorded in each small section 3, 2 ^N [N = 2 ⁿ [n ≧ 4] pieces of information are recorded in the entire display area, and the machine optically In the readable optical reading code, a gap is formed between the small sections 3 and between the X-axis base line 1 and the Y-axis base line 2, and a division mark 4 is displayed in the gap. , Optical reading code [Claim 3] A line of dots arranged in a direction orthogonal to the printing direction in a dot printer includes a plurality of lines and one line or a plurality of lines are provided between them to form a line 2 ⁿ [ [n ≧ 2] parts and also the dot rows in the printing direction , Optically read code in which each divided portion is a display mark for 1 bit [Claim 4] Dots for one line or a plurality of lines along the printing direction are used as leading marks for displaying the reading reference position. Optical reading code of paragraph [5th paragraph] A display area a defined by an X-axis base line 1 and a Y-axis base line 2 is provided, and the display area a is set to 2 ⁿ [n ≧ 4].
The matrix is divided into 2 ⁿ [n ≧ 4] sub-segments 3 to form a matrix, and the binary signal mark K is recorded in each sub-segment 3 and 2 ^N [N = 2 ⁿ [n ≥4] is an optical read code that records information and is optically readable by a machine. The transmission information is coded based on the optical read code in which a gap is formed between the subsections 3 to form dots. An information transmission method comprising printing with a printer, reading the printed code with an optical reading device, and converting the information into information.