阅读说明：本技术 一种加密印章和条形数据二次加密方法 (Encrypted seal and bar-shaped data secondary encryption method ) 是由 桑海明 甘戈 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种加密印章和条形数据二次加密方法,其中,加密印章包括图文区、印章边框和包括条形数字加密区,图文区和条形数字加密区均设置在印章边框内,条形数字加密区内填充有加密码,加密码记载有盖章文件的盖章信息,不同的盖章文件对应不同的加密码,条形数字加密区设置在图文区和印章边框之间的空白区域；条形数据二次加密方法包括获取待处理条码或字符串、拆分待处理条码或字符串和重新拼接两段信息缺失的片段码。通过设置条形数字加密区能够对印章进行防伪加密,方便对印章和盖章文件真伪的检验；通过对条形数据进行二次加密能够防止他人直接读取条形数据的信息,使条形数据的安全性更高。(The invention discloses an encrypted stamp and a bar-shaped data secondary encryption method, wherein the encrypted stamp comprises an image-text area, a stamp frame and a bar-shaped digital encryption area, the image-text area and the bar-shaped digital encryption area are both arranged in the stamp frame, the bar-shaped digital encryption area is filled with encryption codes, the encryption codes record stamping information of stamping files, different stamping files correspond to different encryption codes, and the bar-shaped digital encryption area is arranged in a blank area between the image-text area and the stamp frame; the bar data secondary encryption method comprises the steps of obtaining a bar code or a character string to be processed, splitting the bar code or the character string to be processed and splicing two segment codes with missing information again. The seal can be subjected to anti-counterfeiting encryption by arranging the strip-shaped digital encryption area, so that the seal and a stamped file can be conveniently checked for authenticity; the bar data is encrypted for the second time, so that other people can be prevented from directly reading the information of the bar data, and the safety of the bar data is higher.)

1. The utility model provides an encryption seal, includes picture and text district and seal frame, its characterized in that: still include bar digital encryption district, the picture and text district with bar digital encryption district all sets up in the seal frame, bar digital encryption district intussuseption is filled with the encryption code, the encryption code is recorded with the information of stamping of the file of stamping, and different files of stamping correspond different encryption codes, bar digital encryption district sets up the picture and text district with blank region between the seal frame.

2. An encrypted stamp according to claim 1, characterised in that: the stamp frame includes, but is not limited to, circular, oval, and square.

3. An encrypted stamp according to claim 1, characterised in that: the encryption code includes, but is not limited to, a variably identifiable code formed by a graphic, a number, a letter, a symbol, or a combination thereof.

4. An encrypted stamp according to claim 3, characterised in that: the encryption code is a secondary encrypted bar code or character string and is used for carrying out secondary encryption on the seal.

5. The cryptographic stamp of claim 4, wherein said bar code is a bar code or a combination of a bar code and any other cryptographic pattern, and said character string is a number or a letter or a combination of a number and a letter.

6. An encrypted stamp according to claim 5, in which the secondary encryption comprises the steps of:

acquiring a bar code or a character string to be processed, wherein the acquisition of the pixel information of the bar code or the character string to be processed is included;

splitting the bar code or the character string to be processed, randomly or fixedly selecting a position on the bar code or the character string to be processed as a splitting point and recording position information of the splitting point, splitting the bar code or the character string to be processed into a first segment and a second segment to form a segment code with two pieces of missing information, wherein the front end of the first segment is a wharf of the bar code or the character string to be processed, and the rear end of the second segment is a code tail of the bar code or the character string to be processed;

splicing the two segment codes with missing information again, and exchanging the positions of the first segment and the second segment, namely splicing the rear end of the second segment and the front end of the first segment to form the secondary encrypted bar code or character string.

7. An encrypted stamp according to claim 6, in which the break-up point is chosen randomly.

8. An encrypted stamp according to claim 7, characterised in that: the seal frame is characterized in that a verification area is further arranged in the seal frame and used for setting encrypted information, the encrypted information is the position information of the splitting point, and the verification area is arranged in a blank area in the seal frame.

9. An encrypted stamp according to claim 8, in which the check field comprises correction bits, check bits and display bits:

the correction position is provided with the encrypted information, and the encrypted information is the position information of the splitting point and is used for correcting the secondarily encrypted bar code or character string;

the verification bit is provided with the verification information and is used for verifying whether the length of the encryption code is accurate or not;

the display position is provided with stamping times and is used for displaying the stamping times.

10. An encrypted stamp according to claim 6, characterised in that the break-up point is chosen fixedly.

11. The cryptographic stamp of claim 10, further comprising a start character, said start character being located at a predetermined position.

12. The cryptographic stamp of claim 11, wherein an extension of a line connecting said start symbol and said stamp center intersects said digital bar code encryption region, and an intersection of said extension and said digital bar code encryption region is said break point.

13. The cryptographic stamp of claim 12, wherein said initiator is a text or a graphic of said image-text area.

14. The cryptographic stamp of claim 12, wherein said start symbol is a preset point on said stamp border.

15. An encryption stamp according to claim 7 or 10, characterized in that the encryption code is a bar code or a combination of a bar code and any other encryption pattern.

16. The cryptographic stamp of claim 15, wherein said splitting said bar code or character string to be processed further comprises:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the splitting point is positioned at the vertical bar of the bar code, the splitting point is moved to the first blank position behind or in front of the vertical bar, then the bar code or the character string to be processed is split, and a vertical bar is supplemented at the front end of the second fragment or the rear end of the first fragment;

and if the splitting point is positioned at the blank position in the bar code, the bar code or the character string to be processed is directly split, and a vertical bar is supplemented at the front end of the second fragment or the rear end of the first fragment.

17. The cryptographic stamp of claim 15, wherein said re-splicing said two segment codes with missing information further comprises:

and arranging a blank bar between the second fragment and the first fragment, wherein the width of the blank bar is integral multiple of the narrowest blank width of the bar code and does not exceed the widest blank width of the bar code, and splicing the second fragment, the blank bar and the first fragment according to the sequence of the second fragment, the blank bar and the first fragment.

18. An encrypted stamp according to claim 7 or 10, characterised in that: the encryption code is a character string which is a number or a letter or a combination of the number and the letter.

19. The cryptographic stamp of claim 18, wherein said splitting the bar code or character string to be processed further comprises:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the split point is located on a certain character of the character string, merging the character at the split point into the first segment or the second segment;

and if the splitting point is positioned in a blank between two characters of the character string, directly splitting the bar code or the character string to be processed.

20. An encrypted stamp according to claim 1, in which the encryption code is arranged in an arc, bar or any other shape that is easily recognizable along the stamp rim.

21. The encryption stamp of claim 1, wherein the encryption stamp is one or a combination of red, blue, black and other colors.

22. The cryptographic stamp of claim 1, wherein said stamped document is embodied in a form including, but not limited to, electronic form, physical form.

23. The cryptographic stamp of claim 22, wherein said stamped documents include, but are not limited to, electronic or paper documents, contracts, tickets, pictures, paintings, documents, certificates, instructions for use, and product packaging.

24. A cryptographic stamp according to claim 22, wherein said physical form includes, but is not limited to, outputting said cryptographic stamp onto a variety of physical objects, such as paper materials, textile materials, leather materials, wood materials, chemical materials, ceramic materials, metal materials, glass materials, and the like.

25. A bar data secondary encryption method is characterized by comprising the following steps:

acquiring data to be encrypted, wherein the data to be encrypted comprises pixel information of the data to be encrypted;

splitting the data to be encrypted, randomly selecting a position on the data to be encrypted as a splitting point, recording position information of the splitting point, and splitting the data to be encrypted into front-segment data and rear-segment data according to the position of the splitting point to form two segments of segment codes with missing information;

splicing the two segment codes with missing information again, exchanging the positions of the front segment data and the rear segment data, namely splicing the rear end of the rear segment data and the front end of the front segment data to form secondary encrypted data.

26. The bar data secondary encryption method according to claim 25, wherein the bar data is variably recognizable encrypted data formed by graphics, numbers, letters, symbols, or a combination thereof.

27. An electronic document, characterized in that it comprises an encrypted stamp according to any one of claims 1 to 21.

28. The electronic file of claim 27, wherein the electronic file includes, but is not limited to, electronic documents, contracts, tickets, pictures, calligraphy and painting, documents, certificates, instructions, and product packaging.

Technical Field

The invention relates to the technical field of stamp anti-counterfeiting, in particular to an encrypted stamp and a bar-shaped data secondary encryption method.

Background

Enterprise seals are proof of authority of enterprise identities. The document stamped with the enterprise seal is an effective document protected by law, and means that the enterprise bears legal responsibility for the content of the document. If the enterprise seal is stolen or falsely used by others, unnecessary disputes and liability which cannot be assumed by the enterprise are probably brought to the enterprise.

Most of the existing seals adopt the texture on the frame of the seal and the anti-counterfeiting character on the seal to prevent the seal from counterfeiting, the seals made by the method are easy to forge, the information of the stamped files cannot be recorded in the seals, and the authenticity of the stamped files and the authenticity verification of the seals are very difficult.

Disclosure of Invention

The invention provides an encrypted stamp and a bar-shaped data secondary encryption method, which can solve the problems in the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides an encrypt seal, including picture and text district and seal frame, still include bar digital encryption district, the picture and text district with bar digital encryption district all sets up in the seal frame, bar digital encryption is distinguished the intussuseption and is filled with the encryption sign indicating number, the encryption sign indicating number has the information of stamping of the file of stamping, and different files of stamping correspond different encryption sign indicating numbers, bar digital encryption district sets up picture and text district with blank region between the seal frame.

Preferably, the stamp frame includes, but is not limited to, a circle, an oval, and a square.

Preferably, the encryption code includes, but is not limited to, a variably recognizable code formed of a figure, a number, a letter, a symbol, or a combination thereof.

Preferably, the encryption code is a secondary encrypted bar code or character string and is used for carrying out secondary encryption on the seal.

Preferably, the bar code is a bar code or a combination of the bar code and any other encrypted graphics, and the character string is a number or a letter or a combination of the number and the letter.

Preferably, the second encryption comprises the following steps:

acquiring a bar code or a character string to be processed, wherein the acquisition of the pixel information of the bar code or the character string to be processed is included;

splitting the bar code or the character string to be processed, randomly or fixedly selecting a position on the bar code or the character string to be processed as a splitting point and recording position information of the splitting point, splitting the bar code or the character string to be processed into a first segment and a second segment to form a segment code with two pieces of missing information, wherein the front end of the first segment is a wharf of the bar code or the character string to be processed, and the rear end of the second segment is a code tail of the bar code or the character string to be processed;

splicing the two segment codes with missing information again, and exchanging the positions of the first segment and the second segment, namely splicing the rear end of the second segment and the front end of the first segment to form the secondary encrypted bar code or character string.

Preferably, the splitting point is randomly selected.

Preferably, a verification area is further arranged in the stamp frame and used for setting encrypted information, the encrypted information is the position information of the detaching point, and the verification area is arranged in a blank area in the stamp frame.

Preferably, the check area includes a correction bit, a check bit and a display bit:

the correction position is provided with the encrypted information, and the encrypted information is the position information of the splitting point and is used for correcting the secondarily encrypted bar code or character string;

the verification bit is provided with the verification information and is used for verifying whether the length of the encryption code is accurate or not;

the display position is provided with stamping times and is used for displaying the stamping times.

Preferably, the splitting point is selected fixedly.

Preferably, the mobile terminal further comprises a start symbol, and the start symbol is located at a preset position.

Preferably, an extension line of a connecting line of the start symbol and the center of the stamp intersects with the bar-shaped digital encryption area, and an intersection point of the extension line and the bar-shaped digital encryption area is used as the splitting point.

Preferably, the start symbol is a text or a figure of the image-text area.

Preferably, the start symbol is a preset point on the stamp frame.

Preferably, the encryption code is a bar code or a combination of a bar code and any other encryption pattern.

Preferably, the splitting the barcode or the character string to be processed further includes:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the splitting point is positioned at the vertical bar of the bar code, the splitting point is moved to the first blank position behind or in front of the vertical bar, then the bar code or the character string to be processed is split, and a vertical bar is supplemented at the front end of the second fragment or the rear end of the first fragment;

and if the splitting point is positioned at the blank position in the bar code, the bar code or the character string to be processed is directly split, and a vertical bar is supplemented at the front end of the second fragment or the rear end of the first fragment.

Preferably, the re-splicing the two segment codes with missing information further includes:

and arranging a blank bar between the second fragment and the first fragment, wherein the width of the blank bar is integral multiple of the narrowest blank width of the bar code and does not exceed the widest blank width of the bar code, and splicing the second fragment, the blank bar and the first fragment according to the sequence of the second fragment, the blank bar and the first fragment.

Preferably, the encryption code is a character string, and the character string is a number or a letter or a combination of the number and the letter.

Preferably, the splitting the barcode or the character string to be processed further includes:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the split point is located on a certain character of the character string, merging the character at the split point into the first segment or the second segment;

and if the splitting point is positioned in a blank between two characters of the character string, directly splitting the bar code or the character string to be processed.

Preferably, the encryption codes are arranged along the stamp frame in an arc shape, a bar shape or any other shape which is convenient to identify.

Preferably, the color of the encryption stamp is one or a combination of several of red, blue, black and other various colors.

Preferably, the incarnation form of the stamping file includes but is not limited to an electronic form and a physical form.

Preferably, the stamped documents include, but are not limited to, electronic or paper documents, contracts, tickets, pictures, calligraphy and painting, documents, certificates, instructions for use, and product packaging.

Preferably, the physical form includes, but is not limited to, outputting the encryption stamp onto various physical objects such as paper materials, textile materials, leather materials, wood materials, chemical materials, ceramic materials, metal materials, glass materials, and the like.

Compared with the prior art, the invention has the beneficial effects that: the encryption seal records the stamping information by arranging the encryption codes in the bar-shaped digital encryption area, can conveniently check the authenticity of stamping files, and can effectively prevent the problem of seal counterfeiting because different stamping files correspond to different encryption codes each time.

The invention also provides a bar data secondary encryption method, which is characterized by comprising the following steps:

acquiring data to be encrypted, wherein the data to be encrypted comprises pixel information of the data to be encrypted;

splitting the data to be encrypted, randomly selecting a position on the data to be encrypted as a splitting point, recording position information of the splitting point, and splitting the data to be encrypted into front-segment data and rear-segment data according to the position of the splitting point to form two segments of segment codes with missing information;

splicing the two segment codes with missing information again, exchanging the positions of the front segment data and the rear segment data, namely splicing the rear end of the rear segment data and the front end of the front segment data to form secondary encrypted data.

Preferably, the bar data is variably recognizable encrypted data formed by graphics, numbers, letters, symbols, or a combination thereof.

The invention also provides an electronic file which comprises the encrypted seal.

Preferably, the electronic files include, but are not limited to, electronic documents, contracts, tickets, pictures, calligraphy and painting, documents, certificates, instructions, and product packaging.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an encryption stamp according to embodiment 1;

FIG. 2 is a schematic view of an encryption stamp without a check area according to embodiment 1;

FIG. 3 is an original image with a processed bar code of an encryption stamp of example 1;

FIG. 4 is a barcode diagram of the first fragment of example 1;

FIG. 5 is a bar code graph of the second fragment of example 1

FIG. 6 is a bar code graph after re-splicing in example 1

FIG. 7 is a schematic view of a check region of example 1;

FIG. 8 is a schematic view of an encryption stamp according to embodiment 2;

FIG. 9 is a schematic view of an encryption stamp according to embodiment 4;

FIG. 10 is a schematic view of an encryption stamp according to embodiment 3;

FIG. 11 is a schematic view of a check region of example 3;

FIG. 12 is a flowchart of a bar data re-encryption method of embodiment 5.

110, a graph-text area; 120. a stamp frame; 130. a bar-shaped digital encryption area; 131. a first segment; 132. a second fragment; 133. blank strips; 140. a verification area; 150. connecting the initial symbol with the center of the seal; 160. an extension line; a. correcting the position; b. checking the bit; c. the bits are displayed.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Example 1

As shown in fig. 2, the seal of the present invention includes a circle, an oval and a square, the frame of the seal used in this embodiment is a circle, the encrypted seal provided in this embodiment includes an image-text area 110, a seal frame 120 and a bar-shaped digital encryption area 130, the image-text area 110 and the bar-shaped digital encryption area 130 are both disposed in the seal frame 120, the bar-shaped digital encryption area 130 is filled with encryption codes, in addition, the bar-shaped digital encryption area of this embodiment is a strip, the encryption codes are generated when a seal stamping request is received, and stamping information of a stamping file is loaded onto the encryption codes, different stamping files correspond to different encryption codes, and in addition, the bar-shaped digital encryption area 130 is disposed in a blank area between the image-text area 110 and the seal frame 120.

The encryption code of the present invention includes but is not limited to recognizable code formed by figures, numbers, letters, symbols or their combination, in this implementation, as shown in fig. 2, the encryption code used is bar code, the bar code is processed by secondary encryption before being filled into the bar code digital encryption area 130, and the bar code generation and secondary encryption processes are as follows:

generating a bar code, as shown in fig. 3, generating a bar code according to the stamping information of the stamping file, wherein the number of vertical bars of the bar code in the embodiment is 27;

acquiring a bar code to be processed, wherein the acquisition of pixel information of the bar code to be processed is included;

splitting a bar code to be processed, randomly selecting a position on the bar code as a splitting point and recording position information of the splitting point, wherein the randomly selected splitting point is located between a 16 th vertical bar and a 17 th vertical bar in the embodiment, as shown in fig. 4 and 5, the bar code in fig. 3 is split into a first segment 131 and a second segment 132 to form a segment code with two pieces of missing information, wherein the front end of the first segment 131 is a wharf of the bar code, and the rear end of the second segment 132 is a code tail of the bar code;

as shown in fig. 6, two segment codes with missing information are re-spliced, the positions of the first segment 131 and the second segment 132 are exchanged, a blank bar 133 with the width equal to the narrowest width of the blank of the barcode is arranged between the second segment 132 and the first segment 131, and the second segment 132, the blank bar 133 and the first segment 131 are spliced in sequence to form the twice-encrypted barcode. Because the back end of the second segment and the front end of the first segment are vertical bars, if the information is directly spliced, the information is lost or the spliced bar code cannot be analyzed.

Through the processing of the secondary encryption, the security of the bar-shaped digital encryption area is higher, and the seal is safer to use.

And filling the bar code subjected to secondary encryption into the bar digital encryption area to form a seal subjected to secondary encryption.

As shown in fig. 1, the circular stamp frame 120 of the present embodiment is further provided with a verification area 140 for setting encrypted information, where the encrypted information is position information of the detaching point, and the verification area 140 is provided in a blank area in the stamp frame 120.

Specifically, as shown in fig. 7, the verification area 140 includes a correction bit a, a check bit b, and a display bit c, and in this embodiment, the verification area 140 adopts a digital combination:

the correction bit a is provided with encryption information, the number of vertical bars in the range from a splitting point selected by the encryption information to the first vertical bar of the original bar code wharf in the embodiment is 16;

a check bit b provided with verification information, wherein the check bit b is provided with the number 27 of all vertical bars of the bar code;

the display bit c is provided with the stamping times, the display bit c of the embodiment is 119, and the 119 th use of the encrypted stamp is explained.

In addition, splitting the barcode or the character string to be processed in this embodiment may further include:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the splitting point is located at the vertical bar of the bar code, the position of the splitting point is moved to the first blank position behind or in front of the vertical bar, then the bar code or the character string to be processed is split, and a vertical bar is supplemented at the front end of the second segment 132 or the rear end of the first segment 131;

if the splitting point is located in the blank of the barcode, the barcode or the character string to be processed is directly split, and a vertical bar is supplemented to the front end of the second segment 132 or the rear end of the first segment 131.

The integrity of information can be ensured when the bar codes are split and spliced through the operation.

In addition, the color of the encryption stamp in this embodiment may be one or a combination of several of red, blue, black and other various colors.

Meanwhile, the embodiment of the seal file in the embodiment includes, but is not limited to, an electronic form and a physical form.

Meanwhile, the stamped files in the present embodiment include, but are not limited to, electronic or paper documents, contracts, bills, pictures, calligraphy and painting, documents, certificates, specifications, instructions for use, and product packaging.

Meanwhile, the physical form in the embodiment includes, but is not limited to, outputting the encryption stamp to various physical entities such as paper materials, textile materials, leather materials, wood materials, chemical materials, ceramic materials, metal materials, glass materials, and the like.

Example 2

As shown in fig. 8, the difference between this embodiment and embodiment 1 is that the bar-shaped digital encryption area is an arc-shaped digital encryption area, and the encryption-code bright-seal frames 120 in the bar-shaped digital encryption area are arranged in an arc shape, which can meet the requirements of different customers or different requirements on the shape vision of the encryption area.

Example 3

As shown in fig. 10, the present embodiment is different from embodiment 2 in that the encryption code in the bar-shaped digital encryption area 130 is a character string formed by combining numbers and letters. In this embodiment, the seal information of the seal file is recorded in the group of strings "FD 16414F123184FSS 15", and the secondary encryption is performed as follows:

acquiring a character string to be processed, wherein the acquiring comprises acquiring pixel information of the character string to be processed;

splitting a character string to be processed, randomly selecting a position on the character string as a splitting point and recording position information of the splitting point, wherein the randomly selected splitting point is located between a 10 th character "5" and an 11 th character "F" in this embodiment, as shown in fig. 4 and 5, the character string to be processed is split into a first segment 131 and a second segment 132 to form a segment code with two pieces of missing information, wherein the front end of the first segment 131 is a first character "2" of the character string, and the rear end of the second segment 132 is a last character "1" of the character string;

re-splicing the two segment codes with missing information, as shown in fig. 6, the positions of the first segment 131 and the second segment 132 are exchanged, that is, the last character of the second segment 132 is spliced with the first character of the first segment 131 to form a twice-encrypted character string.

As shown in fig. 11, in this embodiment, the correction bit a is the total number of characters "10" in the first segment 131, the check bit b is the total number of characters "19" in the character string to be processed, and the number of stamping this time is the 9 th stamping of this embodiment, so the display bit c is "009".

In addition, splitting the barcode or the character string to be processed in this embodiment may further include:

judging the position of the splitting point according to the pixel information and the position information of the splitting point;

if the split point is located on a certain character of the character string, merging the character at the split point into the first segment 131 or into the second segment 132;

example 4

As shown in fig. 9, the difference between this embodiment and embodiment 2 is that the verification area 140 is not provided in this embodiment, the splitting point is fixedly selected when performing the secondary encryption, an initial symbol is preset at the lowest part of the radical "standing grain" of the "department" character in the image-text area of the stamp in this embodiment, and then the position of the splitting point is determined according to the initial symbol.

Specifically, in this embodiment, the extension 160 of the connection line 150 between the start symbol and the stamp center intersects with the bar-shaped digital encryption region 130, and the intersection of the extension 160 and the bar-shaped digital encryption region 130 is used as a splitting point to split the barcode to be processed.

Example 5

As shown in fig. 12, this embodiment provides a bar data twice encryption method, including:

acquiring data to be encrypted, wherein the acquiring comprises acquiring pixel information of the data to be encrypted;

splitting data to be encrypted, randomly selecting a position on the data to be encrypted as a splitting point, recording position information of the splitting point, splitting the data to be encrypted into front-segment data and rear-segment data at the position of the splitting point, and forming two segment codes with missing information;

splicing the two segment codes with missing information again, exchanging the positions of the front segment data and the rear segment data, namely splicing the rear end of the rear segment data and the front end of the front segment data to form secondary encrypted data.

Specifically, the bar data is recognizable encrypted data formed by graphics, numbers, letters, symbols or a combination thereof.

Example 6

The embodiment provides an electronic file, which includes the encrypted stamp described in any one of the above embodiments.

The electronic files in this embodiment include, but are not limited to, electronic documents, contracts, tickets, pictures, calligraphy and painting, files, certificates, instructions, and product packaging.

In the description of the present specification, reference to the description of the terms "front", "back", "embodiment", "example", "specific example", or "some examples", etc., means that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.