JP3407004B2 - Digital data recording paper - Google Patents

Description

BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention is a binary direction 2 ⁿ or more binary data (e.g. binary data indicating kanji consisting 2 ⁴ JIS code) The present invention relates to digital data recording paper on which digital data of a two-dimensional code is recorded. The present invention relates to input means for remotely communicating two-dimensional code digital data. 2. Description of the Related Art With respect to digital data recording and means for reading the recording, the present inventor has filed Japanese Patent Application No. 62-17335.
No. 2 "Identification code paper" and Japanese Patent Application No. 62-232933
No. "Identification code reader" has been invented. In the above-mentioned prior invention, a technical idea for displaying four or more binary data in a binary direction to facilitate the display of JIS code for kanji is disclosed, and a marquerier is determined by a division mark to determine the mark. By recording binary data in the area, accurate digital data can be read. SUMMARY OF THE INVENTION The present invention relates to a method for remote communication of digital data utilizing the above-mentioned prior invention, and a method for reading an image using an OCR device, which is accurate and quick. It is an object to enable processing . [0004] The first invention of the present application is directed to the X-axis direction.
Of the X-axis direction base line KR1
Base line K in Y-axis direction that continuously regulates the data area at the edge
Forming an L-shaped baseline KR consisting of R2;
Gap between the data area and the periphery of the data area
And the X-axis direction base line KR1 and the Y-axis direction
Arranged at predetermined regular intervals on the data area side of the baseline KR2
Adjacent to the X-axis base line KR1 or the Y-axis base line KR2.
The data area is united with the unit data area.
Function as a timing mark to classify
The number division mark KP is defined by the baseline KR and the data area.
The present invention provides a digital data recording paper characterized by being formed in a gap between the two. The second invention of the present application includes, in addition to the first invention,
And the X-axis base line
Number of division marks KP adjacent to KR1 and baseline in Y-axis direction
Make the number of division marks KP adjacent to KR2 equal and simply
Position data area is square and the same number in X-axis direction and Y-axis direction
To provide digital data recording paper characterized by
You. Embodiments will be described below with reference to embodiments shown in the drawings. Referring to FIG. 1 showing the basic principle of the present invention, light emitting side (transmitting side) A
Then, a section mark light beam P, a binary signal mark light beam Q (in the embodiment, further an additional mark light beam R and a second additional mark light beam S) are generated and directed to a light receiving side (reception side) B. Fire Q, R, S. By arranging a mirror (reflection wall surface, reflection plate) C between the light emitting side A and the light receiving side B as necessary, a transmission path can be appropriately selected. The section mark light beam P displays a number of section marks KP arranged at predetermined intervals in a binary direction (in the embodiment, the X-axis direction and the Y-axis direction). The binary signal mark light beam Q is
The binary signal mark KQ is displayed as an analog value in the marquer E determined by the range surrounded by the division mark KP. [0006] The additional mark light ray R indicates an additional mark KR (base line KR1 in the X-axis direction and a base line KR2 in the Y-axis direction) indicating the data transmission range, and the second additional mark light ray S indicates a second additional mark indicating the reading direction. KS is displayed, but the reading direction can be omitted because the additional mark KR can be used instead. The second additional mark KS is used to check the number of bits for detecting a transmission error (the number of H-level binary signal marks). Can be used as a parity check mark.
In addition, the display content is inverted when the front side or the back side is detected by the second additional mark KS, and when the wall surface is illuminated, when a screen such as frosted glass is transmitted, or when a mirror is reflected during optical transmission, the display content is inverted. It can correspond to that. Further, by causing the light source 4 to blink, for example, "large", "saka", "thick"
JIS Kanji code “4267” “3A” corresponding to “ro”
65, "4240", and "4F3A" can be sequentially transmitted as shown in Fig. 3. In this case, the second additional mark 4
, A, 2,... By adding a serial number display mark 6 having 2 ⁿ (n ≧ 2) display areas in place of
By detecting the data number on the light receiving side as in B, C,..., It is possible to detect the interruption of transmission due to light blocking by an obstacle, and it is possible to request retransmission only of the communication content of the missing data number. On the light-emitting side A, a single light beam X is passed through a filter 1 having marks KP, KQ, KR, KS so that the light beams P, Q1, Q2.
R and S can be generated to irradiate a screen (wall surface, ground glass, etc.) 2 on the light receiving side B. However, as shown in FIG. 2, binary signal mark light beams Q1 and Q2 in one direction (for example, the Y-axis direction). .. Qn is generated at a fixed timing, and a change in the binary signal mark in the other direction (X-axis direction) is displayed with a delay in the generation timing, and binary data consisting of ²ⁿ or more binary data in the binary direction is displayed. You can also. The filter 1 in FIG. 2 comprises a fixed mask 1A having a light-shielding portion for a section mark light beam P, an additional mark light beam R, and a second additional mark light beam S, and a variable mask 1B for a binary signal mark light beam KQ. 2 to transmit the contents of the variable mask 1B
By changing according to the value signal data, the changed portion can be limited to only the portion corresponding to the binary signal mark light beam Q. In this case, the variable mask 1B may be a data recording paper on which a binary mark is recorded in a square shape, a blinking light source arranged in a square shape, or the like, but an input for displaying a monochrome display using a liquid crystal display panel. It can also be controlled electronically according to the data. Binary signal mark light beams Q1, Q2,.
Qn can also be generated by moving a single laser beam vertically or horizontally and scanning it at a fixed timing.
..; E21, E22...; Em1, Em2...), The wavelength of the passing light beam is changed by the prism 5, and the light is condensed by the lens system 6, so that a single light source generates a light beam including a number of different wavelengths. The object of the present invention can also be achieved by spectroscopy (see FIG. 4). Further, instead of the filter 1 shown in FIG. 2, by moving the digital data recording paper 3 shown in FIG. 5 at a constant timing in the horizontal direction, it is possible to transmit data of infinite length. Referring to FIG. 5, segment marks KP do not exist at both ends of L-shaped base line LR, and segment marks KP exist at the origin position. Therefore, a right square (long
Each of the four corners of the ( rectangular) data area has different characteristics. In addition, the right square (rectangular)
The data area includes E11, E12,.
4, E11, E21, E31,... In the X-axis direction.
Marks in a grid arrangement with four or more Em1 (infinite length)
An area (unit data area) E is shown. On the light receiving side, the level setting value determined by comparing the intensity of the binary signal mark light ray within a predetermined range determined by the point irradiated with the division mark light ray with the area of the Mercuryer determined by the division mark. In comparison with the above, binary data (H, L) is determined by analog detection. Even if an error light source is irradiated on a screen or the like on the light receiving side such as an instantaneous pulsed light due to the blinking of a lighting device, the error light source is detected as an L level below the set level of the incident light source amount of a predetermined mercuryer, and is detected as L level. Even if the amount of incident light is reduced due to the attachment of water droplets or the passage of light through the water droplets, if the incident light amount is maintained at or above the integrated value, it is detected as the H level and error reception is prevented. Even if the incident position of the light beam changes due to a change in the bending ratio of the transmission path, a change in the irradiation direction, etc., the division mark KP illuminated on the screen on the light-receiving side B simultaneously changes the position of the binary signal mark KQ. Therefore, the relative position of the marquerier E with respect to each binary signal mark KQ is always constant, and no error occurs due to a change in the incident position. In the practice of the present invention, light rays are not limited to visible light,
Of course, invisible light such as infrared light may be used. According to the digital data recording paper of the present invention, the X-axis base line KR1 for regulating the data area,
X-axis direction base line KR located in a direction orthogonal to axial direction base line KR1
An L-shaped base line KR consisting of a Y-axis direction base line KR2 for continuously regulating the data area at one end edge is formed, and a gap exists between the data area side of the base line KR and the periphery of the data area. By doing so, the L-shaped base line KR is spaced apart and surrounds two adjacent sides of the data area formed as a rectangular rectangle, so that the range of the data area can be reliably specified.
This makes it easier to improve the accuracy of data recording and reproduction (data reading) on the digital data recording paper with respect to expansion and contraction of the digital data recording paper in the X-axis direction and the Y-axis direction. Further, on the data area side of the X-axis base line KR1 and the Y-axis base line KR2, a large number are arranged at predetermined regular intervals and are integrated adjacent to the X-axis base line KR1 or the Y-axis base line KR2. Since the division mark KP is used, the position and range of each of the two-dimensionally arranged unit data areas can be accurately corresponded to the deformation of the data area at the time of recording by the division mark KP. , The accuracy of data recording and reproduction (data reading) can be improved. Also, by integrating the L-shaped base line KR and the division mark KP,
In addition to enhancing the discriminating ability by the feature extraction technology in the image processing, the range of the data area is more reliably and easily specified, and the base line KR and the division mark KP are not mistaken for the binary data of the data area. It is possible to improve the data reading accuracy without erroneously recognizing the binary data of the data area that is continuous with the base line, and to reduce the required capacity of the computer by reducing the data input in the image processing. This has the effect of speeding up processing .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram showing the principle of a light digital data communication method showing an embodiment of the present invention. FIG. 2 is a schematic diagram showing the relationship between a binary signal mark light beam and a filter. FIG. 4 is a diagram illustrating the principle of a second embodiment of the present invention. FIG. 5 is a diagram illustrating digital data recording paper used in place of a filter on the light emitting side (transmitting side). DESCRIPTION OF SYMBOLS 1 ... Filter 2 ... Screen 3 ... Data recording paper A ... Light emitting side B ... Light receiving side KP ... Segment mark KQ ... Binary signal mark KR ... Additional mark KS ... Second Additional mark P ... Segment mark light ray Q ... Binary signal mark light ray R ... Additional mark light ray S ... Second additional mark light ray

   ────────────────────────────────────────────────── ─── Continuation of front page       (56) References JP-A-64-17180 (JP, A)                 JP-A-62-266689 (JP, A)                 JP-A-64-86289 (JP, A)                 US Patent No. 4728783 (US, A)                 US Patent 4439672 (US, A)

Claims (1)

(57) [Claims 1] Four in the Y-axis direction and infinite length in the X-axis direction
Each having a grid-like arrangement of mercuryers E
Where formed by recording the binary data, a digital data recording sheet having a data Elijah recorded perpendicular rectangle data of the two-dimensional code, the X-axis direction baseline KR1 regulating the de Taeriya, wherein X
End of the positioned and axially baseline KR1 orthogonally to regulate the data Elijah the X-axis side ing more and Y-axis direction baseline KR2 be contiguous with the X-axis direction baseline KR1, L-shaped base line KR A gap is provided between the data area of the base line KR and the data area, and X is arranged at predetermined intervals on the data area side of the X-axis base line KR1 and the Y-axis base line KR2. adjacent to the axial base line KR1 or the Y-axis direction baseline KR2 formed integrally, Makue data Elijah
A large number of division marks KP functioning as timing marks for division into the rear E are formed in the gap between the base line LR and the data area, and the division marks KP do not exist at both ends of the L-shaped base line LR. and then, at the origin position is a connection point between the X-axis direction base KR1 and the Y-axis direction baseline KR2 be present division marks KP, digital data recording sheet, characterized in that the enabling distinguish each corner data Elijah .