WO2020243946A1

WO2020243946A1 - Electronic price tag information transmission method and system, electronic price tag, and server

Info

Publication number: WO2020243946A1
Application number: PCT/CN2019/090331
Authority: WO
Inventors: 侯世国; 李良衍; 冯运亮; 高波; 陈骏; 姜起; 申明
Original assignee: 浙江汉朔电子科技有限公司
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-12-10
Also published as: AU2019449046A1; CA3140671A1

Abstract

The present invention provides an electronic price tag information transmission method and system, an electronic price tag, and a server. The method comprises: adjusting the size of information to be displayed of an electronic price tag according to the size of a cache space of the electronic price tag, to obtain at least one information block to be displayed that meets the size of the cache space of the electronic price tag, said information block being an information block to be displayed that can be transmitted to the electronic price tag at one time; and sending said at least one information block to the electronic price tag. The present invention can improve the communication efficiency.

Description

Electronic price tag information transmission method and system, electronic price tag and server

Technical field

The invention relates to the field of electronic price tags, in particular to an electronic price tag information transmission method and system, an electronic price tag, and a server.

Background technique

In order to improve the efficiency of supermarket sales, there are multiple online and offline sales models. At present, electronic price tags are used to replace paper price tags. Existing electronic price tags generally use wireless, wired and infrared communication methods for data transmission. Due to the large number of price tags in large supermarkets, how to improve the communication efficiency of electronic price tags based on the above communication methods is a problem. Urgent problems to be solved.

Summary of the invention

The embodiment of the present invention provides an electronic price tag information transmission method, which is used to transmit electronic price tag information with high communication efficiency. The method includes:

According to the size of the cache space of the electronic price tag, adjust the size of the information to be displayed on the electronic price tag, and obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag. The information block is the information block to be displayed that can be transmitted to the electronic price tag at one time;

At least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag.

The embodiment of the present invention also provides an electronic price tag information transmission method, which is used to transmit electronic price tag information with high communication efficiency, and the method includes:

If at least one block of information to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, the following steps are repeated for each compressed package of the picture to be displayed until at least one compressed package of the picture to be displayed All received, wherein the at least one piece of information to be displayed that meets the size of the buffer space of the electronic price tag is obtained by adjusting the size of the information to be displayed on the electronic price tag according to the size of the buffer space of the electronic price tag. The information block to be displayed of the size of the buffer space of the price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package, storing the compressed package in the memory of the electronic price tag; releasing the buffer space of the electronic price tag;

Decompress at least one compressed package of the picture to be displayed in the buffer space of the electronic price tag to obtain the picture to be displayed.

The embodiment of the present invention also provides a server for transmitting electronic price tag information with high communication efficiency. The server includes:

The information processing module is used to adjust the size of the information to be displayed of the electronic price tag according to the size of the buffer space of the electronic price tag, and obtain at least one information block to be displayed that meets the size of the cache space of the electronic price tag. The information block to be displayed with the size of the buffer space is the information block to be displayed that can be transmitted to the electronic price tag at one time;

The to-be-displayed information sending module is used to send at least one to-be-displayed information block that meets the size of the buffer space of the electronic price tag to the electronic price tag in sequence.

The embodiment of the present invention also provides an electronic price tag, which is used to transmit electronic price tag information and has high communication efficiency. The electronic price tag includes:

To be displayed information receiving module, used for:

The to-be-displayed picture obtaining module is used to decompress at least one compressed package of the to-be-displayed picture in the buffer space of the electronic price tag to obtain the to-be-displayed picture.

The embodiment of the present invention also provides an electronic price tag information transmission system, which includes the above server and the above electronic price tag.

The embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and running on the processor. The processor implements the above electronic price tag information transmission when the computer program is executed. method.

The embodiment of the present invention also provides a computer-readable storage medium that stores a computer program for executing the above electronic price tag information transmission method.

In the embodiment of the present invention, the size of the information to be displayed of the electronic price tag is adjusted to obtain at least one information block to be displayed that meets the size of the cache space of the electronic price tag, and the information block to be displayed that meets the size of the cache space of the electronic price tag To be able to transmit the information block to be displayed to the electronic price tag at one time; the obtained information block to be displayed not only meets the size of the buffer space of the electronic price tag, but also requires less space for the information block to be displayed than before resizing. Therefore, When at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag, the communication efficiency is higher.

Description of the drawings

The drawings described here are used to provide a further understanding of the present invention, constitute a part of this application, and do not constitute a limitation to the present invention. In the attached picture:

FIG. 1 is a flowchart of the electronic price tag information transmission method proposed in an embodiment of the present invention;

2 is another flowchart of the electronic price tag information transmission method proposed by the embodiment of the present invention;

Figure 3 is a schematic diagram of a server proposed in an embodiment of the present invention;

FIG. 4 is a schematic diagram of an electronic price tag provided by an embodiment of the present invention;

FIG. 5 is a detailed flowchart of electronic price tag information transmission according to an embodiment of the present invention;

Fig. 6 is a schematic diagram of an electronic price tag information transmission system provided by an embodiment of the present invention.

Detailed ways

Fig. 1 is a flowchart of a method for transmitting electronic price tag information proposed in an embodiment of the present invention. As shown in Fig. 1, the method includes:

Step 101: Adjust the size of the information to be displayed of the electronic price tag according to the size of the cache space of the electronic price tag to obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag. The information block to be displayed is the information block to be displayed that can be transmitted to the electronic price tag at one time;

Step 102: Send at least one information block to be displayed that meets the size of the buffer space of the electronic price tag to the electronic price tag in sequence.

Before step 101, you first need to receive the buffer space size of the electronic price tag sent by the electronic price tag, and then you need to obtain the information to be displayed for the electronic price tag. The information to be displayed for the electronic price tag includes a series of commodity prices, origins, brands, etc. The data will not be listed here. Due to the different sizes of the screens of the electronic price tags, the size of the information to be displayed varies greatly, which may range from several thousand bytes to tens of thousand bytes. The storage space of the MCU (Micro Control Unit) inside the electronic price tag is limited, and different MCUs correspond to different storage spaces. In order to adapt to the different storage spaces of more MCUs as much as possible, as well as the information to be displayed in different sizes, the electronic price tag will send the amount of space in its memory space that can be used as data cache through heartbeat data. Then, in step 101, according to the size of the buffer space of the electronic price tag, the size of the information to be displayed on the electronic price tag is adjusted to obtain at least one block of information to be displayed that meets the size of the buffer space of the electronic price tag. The information block to be displayed with the size of the cache space is the information block to be displayed that can be transmitted to the electronic price tag at a time. The finally obtained information block to be displayed not only meets the size of the electronic price tag’s cache space, but also compares with the size before resizing. The space required for the information block is smaller. Therefore, in step 102, at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag, and the communication efficiency is higher. The information to be displayed that meets the size of the buffer space of the electronic price tag includes many forms. Among them, the picture is a common form of information to be displayed. The information to be displayed on the electronic price tag is the picture to be displayed on the electronic price tag. The size of the picture to be displayed, that is, the picture to be displayed is processed into multiple blocks of information to be displayed, and the size of each block of information to be displayed is less than or equal to the size of the buffer space of the electronic price tag, so that each block is transmitted in sequence during transmission. For the information block to be displayed, the buffer space of the electronic price tag can successfully receive each information block to be displayed in sequence.

In specific implementation, there are many ways to adjust the size of the information to be displayed on the electronic price tag according to the size of the cache space of the electronic price tag, and obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag. An example.

According to the size of the buffer space of the electronic price tag, adjust the size of the information to be displayed on the electronic price tag to obtain at least one block of information to be displayed that meets the size of the buffer space of the electronic price tag, including:

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, determine whether it is necessary to compress the information to be displayed in the electronic price tag in segments;

If the judgment result is that segment compression processing is required, multiple compressed packages of to-be-displayed information that meet the size of the cache space of the electronic price tag are obtained;

If the judgment result is that no segmentation compression processing is required, a compressed package of the information to be displayed that meets the size of the buffer space of the electronic price tag is obtained.

In the above-mentioned embodiment, it is considered that the buffer space of the electronic price tag is smaller than the information to be displayed in the electronic price tag. For example, the electronic price tag has only 4kbytes of buffer space, and the size of the information to be displayed (for example, the picture to be displayed) There are 10kbytes, that is, according to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, it is judged whether it is necessary to compress the information to be displayed in the electronic price tag. When signing the information to be displayed, the judgment result is that segmentation compression processing is required to obtain multiple compressed packages of the information to be displayed that meet the size of the cache space of the electronic price tag, that is, the aforementioned information to be displayed that meets the size of the cache space of the electronic price tag The information block is multiple compressed packages of the information to be displayed that meets the size of the electronic price tag's cache space. For example, the electronic price tag has only 4kbytes of cache space, and when the size of the information to be displayed is 10kbytes, the cache space that meets the electronic price tag can be obtained 3 compressed packages of the size of the information to be displayed.

When the buffer space of the electronic price tag is not less than the information to be displayed in the electronic price tag, the judgment result is that no segmentation compression processing is required. At this time, a compressed package of the information to be displayed that meets the size of the buffer space of the electronic price tag is obtained.

By obtaining at least one compressed package above, the space for the information to be displayed can be further reduced, and the communication efficiency can be improved when the information to be displayed on the electronic price tag is sent to the electronic price tag.

In one embodiment, before judging whether the information to be displayed in the electronic price tag needs to be compressed in segments according to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, the method further includes:

Determine whether it is necessary to perform differential processing on the information to be displayed on the electronic price tag, and if the judgment result is that differential processing is required, perform differential processing on the information to be displayed on the electronic price tag;

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, it is determined whether the information to be displayed in the electronic price tag needs to be compressed in segments, including:

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed of the electronic price tag after the difference processing, it is determined whether it is necessary to perform the segmentation compression processing on the information to be displayed of the electronic price tag after the difference processing.

In the above embodiment, the situation that the stored information and the information to be displayed in the electronic price tag have a large amount of similar content is considered. If the stored information in the electronic price tag and the information to be displayed have a large amount of similar content, the electronic price tag can be The information to be displayed on the price tag is subjected to differential processing to further reduce the size of the information to be displayed on the electronic price tag, thereby further improving communication efficiency during transmission. Then, according to the size of the buffer space of the electronic price tag and the size of the to-be-displayed information of the electronic price tag after the difference processing, it is determined whether it is necessary to perform the segmentation compression processing on the information to be displayed of the electronic price tag after the difference processing.

In one embodiment, determining whether it is necessary to perform difference processing on the information to be displayed on the electronic price tag, and if the determination result is that the difference processing is required, performing difference processing on the information to be displayed on the electronic price tag includes:

Obtain the stored pictures of the electronic price tag;

According to the to-be-displayed information of the electronic price tag, generate the to-be-displayed picture of the electronic price tag and the keywords of the to-be-displayed picture;

According to the keywords of the stored pictures of the electronic price tag and the keywords of the picture to be displayed on the electronic price tag, determine whether it is necessary to perform differential processing on the picture to be displayed on the electronic price tag;

If the judgment result is that the difference processing is required, the difference processing is performed on the to-be-displayed picture of the electronic price tag according to the stored pictures of the electronic price tag.

In the above-mentioned embodiment, the stored pictures of the electronic price tag may not be sent by the electronic price tag, but can be obtained through other means. For example, the implementation of the electronic price tag information transmission method may be a server that maintains communication with the electronic price tag. The server corresponds to multiple electronic price tags, receives the cache space size of the electronic price tags sent by the electronic price tag, and sends at least one block of information to be displayed that meets the size of the cache space of the electronic price tag to the electronic price tag, because the information to be displayed is all It is sent by the server to the electronic price tag, so the stored pictures of the electronic price tag are recorded in the server.

Generally, pictures are stored in electronic price tags. Therefore, according to the information to be displayed on the electronic price tags, the pictures to be displayed on the electronic price tags are generated and sent to the electronic price tags. Of course, it is understandable that The display information can also be in other forms, for example, a character string conforming to the set rules, and the corresponding electronic price tag can be displayed according to the character string of the set rules and according to the template of the electronic price tag. All relevant changes should fall into the present invention. The scope of protection, here is only the case where the information to be displayed on the electronic price tag is a picture.

In order to compare with the stored pictures of the electronic price tag, it is also necessary to generate the keywords of the picture to be displayed in the electronic price tag according to the information to be displayed on the electronic price tag, and then according to the keywords of the stored picture and the electronic price of the electronic price tag Key words of the picture to be displayed to be signed, to determine whether it is necessary to perform differential processing on the picture to be displayed in the electronic price tag. The keywords of the picture to be displayed and the key words of the stored picture of the electronic price tag can be multiple, such as price, appearance If the keywords of the stored picture of the electronic price tag are the same as the keywords of the picture to be displayed on the electronic price tag, it is necessary to perform differential processing on the picture to be displayed on the electronic price tag. The difference processing of the picture to be displayed on the price tag is to subtract the corresponding pixel values of the two images to weaken the similar part of the image and highlight the changed part of the image. Through differential processing, the size of the picture to be displayed on the electronic price tag can be made as small as possible. You only need to carry the difference information from the stored picture of the electronic price tag and send it to the electronic price tag. Display pictures, since the size of the picture to be displayed on the electronic price tag is reduced, the communication efficiency can be greatly improved. If the keywords of the stored pictures of the electronic price tag are inconsistent with the keywords of the picture to be displayed on the electronic price tag, it is no longer necessary to perform differential processing on the picture to be displayed on the electronic price tag.

In specific implementation, the electronic price tag can obtain at least one block of information to be displayed by receiving the information to be displayed, for example, multiple compressed packages of a picture to be displayed, and the server executing the electronic price tag information transmission method will display the electronic price tag The control information is sent to the electronic price tag to control the picture that the electronic price tag should display.

Therefore, in an embodiment, the electronic price tag information transmission method further includes: sending the display control information of the electronic price tag to the electronic price tag.

In the above embodiment, the display control information of the electronic price tag may be the identification of the picture of the electronic price tag.

In the electronic price tag information transmission method proposed in the embodiment of the present invention, the size of the information to be displayed of the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag, and the information block to be displayed that meets the size of the buffer space of the electronic price tag can be obtained. , And the obtained information block to be displayed not only meets the size of the buffer space of the electronic price tag, but also requires less space for the information to be displayed than before resizing. When the information blocks are sequentially sent to the electronic price tag, the communication efficiency is higher. The electronic price tag can store each piece of information to be displayed in the memory of the electronic price tag, and then receive the next information block to be displayed.

In addition, the difference processing can make the size of the picture to be displayed in the electronic price tag as small as possible, and only need to carry the difference information from the stored picture of the electronic price tag to send to the electronic price tag, which can greatly improve communication efficiency. By obtaining the above at least one compressed package, the space for information to be displayed can be further reduced, and communication efficiency is improved when at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag.

Fig. 2 is another flowchart of the electronic price tag information transmission method proposed by the embodiment of the present invention. As shown in Fig. 2, the method includes:

Step 201: If at least one block of information to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, perform the following steps in a loop until at least one compressed package of the picture to be displayed is A compressed package is all received, wherein the at least one piece of information to be displayed that meets the size of the buffer space of the electronic price tag is obtained by adjusting the size of the information to be displayed on the electronic price tag according to the size of the buffer space of the electronic price tag. The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package, storing the compressed package in the memory of the electronic price tag; releasing the electronic price tag Cache space

Step 202: Decompress at least one compressed package of the picture to be displayed in the buffer space of the electronic price tag to obtain the picture to be displayed.

Among them, the memory in step 201 may be a non-volatile memory, so as to achieve the best data storage effect.

Before step 201, the electronic price tag first sends out the storage space size of the electronic price tag, for example, it can be sent to a server communicating with the electronic price tag, and then the electronic price tag receives at least one compliant electronic price tag according to step 201 The information block to be displayed with the size of the buffer space, wherein the information block to be displayed of the at least one electronic price tag is obtained by adjusting the size of the information to be displayed in the electronic price tag according to the size of the buffer space of the electronic price tag. The specific adjustment method may be Refer to the specific embodiment corresponding to step 101 to step 102. Since the information block to be displayed of at least one electronic price tag sent by the server may be multiple compressed packages compressed in sections, in step 201, a judgment is first made, that is, if the information block to be displayed meets the cache space requirements of the electronic price tag The information block is at least one compressed package of the picture to be displayed. For each compressed package of the picture to be displayed, the following steps are repeated until all at least one compressed package of the picture to be displayed is received: receive the compressed package and save the compressed package in The memory of the electronic price tag (such as Flash); release the buffer space of the electronic price tag. By repeating the above steps, at least one compressed package can be received sequentially, and then in step 202, at least one compressed package of the picture to be displayed in the buffer space of the electronic price tag is decompressed to obtain the picture to be displayed. The electronic tag is in a standby mode outside of receiving the information block to be displayed, so as to reduce the power consumption of the electronic price tag. This is a balance between selecting a chip with lower power consumption in the electronic price tag and improving communication efficiency.

In specific implementation, if the picture to be displayed obtained after the decompression processing is subjected to differential processing, it is also necessary to obtain the complete picture to be displayed, and the method of obtaining may adopt the method of the following embodiment.

In an embodiment, the electronic price tag information transmission method further includes:

If the obtained picture to be displayed is a picture to be displayed that has undergone differential processing, the inverse differential processing is performed on the picture to be displayed that has undergone the differential processing according to the picture stored in the electronic price tag.

In the above embodiment, the process of inverse difference processing is performed on the picture to be displayed after the difference processing, that is, the electronic price tag uses the keywords of the picture to be displayed and the pictures stored in the electronic price tag to restore the picture to be displayed before the difference. All the information.

In specific implementation, the electronic price tag receives the information to be displayed for display, and which photo is specifically displayed requires display control information.

In an embodiment, the electronic price tag information transmission method further includes: receiving display control information of the electronic price tag;

According to the display control information of the electronic price tag, the pictures stored in the electronic price tag are displayed.

In the above embodiment, the electronic price tag may receive the display control information of the server, and the display control information may be the identification of the information to be displayed (for example, the picture to be displayed).

In the electronic price tag information transmission method proposed in the embodiment of the present invention, if at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, each compressed package of the picture to be displayed is The following steps are cyclically executed until all at least one compressed package of the picture to be displayed is received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag. The size of the information to be displayed on the label is obtained, the information block to be displayed that meets the size of the buffer space of the electronic price label is the information block to be displayed that can be transmitted to the electronic price label at one time: the compressed package is received, and the compressed package is stored The storage of the electronic price tag; release the cache space of the electronic price tag; decompress at least one compressed package of the picture to be displayed in the cache space of the electronic price tag to obtain the picture to be displayed. Therefore, when receiving the information block to be displayed, the size of the buffer space of the electronic price tag is taken into consideration. Each time the buffer space of the electronic price tag is released, a new compressed package is received, which can improve communication efficiency. In addition, the electronic tag is in a standby mode except for receiving information to be displayed, so as to reduce the power consumption of the electronic price tag.

Based on the same inventive concept, the embodiment of the present invention also provides a server, as described in the following implementation. Since these problem-solving principles are similar to the electronic price tag information transmission method, the implementation of the server can refer to the implementation of the method, and the repetition will not be repeated.

Fig. 3 is a schematic diagram of a server proposed in an embodiment of the present invention. As shown in Fig. 3, the server includes:

The information processing module 301 is configured to adjust the size of the information to be displayed in the electronic price tag according to the size of the cache space of the electronic price tag, and obtain at least one information block to be displayed that meets the size of the cache space of the electronic price tag. The information block to be displayed with the size of the cache space is the information block to be displayed that can be transmitted to the electronic price tag at one time;

The to-be-displayed information sending module 302 is configured to sequentially send at least one to-be-displayed information block that meets the size of the buffer space of the electronic price tag to the electronic price tag.

In an embodiment, the information processing module 301 is specifically configured to:

Obtain the stored pictures of the electronic price tag;

If the judgment result is that the difference processing is required, the difference processing is performed on the picture to be displayed of the electronic price tag according to the stored pictures of the electronic price tag to obtain at least one information block to be displayed that meets the size of the buffer space of the electronic price tag.

In an embodiment, the server further includes a display control information sending module 303, configured to:

Send the display control information of the electronic price tag to the electronic price tag.

In the server proposed in the embodiment of the present invention, the size of the information to be displayed on the electronic price tag is adjusted to obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag. The displayed information block is the information block to be displayed that can be transmitted to the electronic price tag at one time; the obtained information block not only meets the size of the buffer space of the electronic price tag, but also requires less space than before the resizing Therefore, when at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag, the communication efficiency is higher.

In addition, the difference processing can make the size of the picture to be displayed in the electronic price tag as small as possible, and only need to carry the difference information from the stored picture of the electronic price tag to send to the electronic price tag, which can greatly improve communication efficiency. By obtaining the above at least one compressed package, the space for the information to be displayed can be further reduced, and the communication efficiency can be improved when the information blocks to be displayed of the at least one electronic price tag are sequentially sent to the electronic price tag.

Based on the same inventive concept, an embodiment of the present invention also provides an electronic price tag, as described in the following implementation. Since these problem-solving principles are similar to the electronic price tag information transmission method, the implementation of the electronic price tag can refer to the implementation of the method, and the repetition will not be repeated.

Fig. 4 is a schematic diagram of an electronic price tag provided by an embodiment of the present invention. As shown in Fig. 4, the electronic price tag includes:

The to-be-displayed information receiving module 401 is configured to: if at least one to-be-displayed information block meeting the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, each compressed package of the picture to be displayed is cyclically executed the following steps , Until at least one compressed package of the picture to be displayed is all received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package and storing the compressed package in the electronic price tag Storage; release the buffer space of the electronic price tag;

The to-be-displayed picture obtaining module 402 is configured to decompress at least one compressed package of the to-be-displayed picture in the buffer space of the electronic price tag to obtain the to-be-displayed picture.

In an embodiment, the electronic price tag further includes an inverse difference processing module 403 for:

In an embodiment, the electronic price tag further includes a display module 404 for:

Receive the display control information of the electronic price tag;

In the electronic price tag proposed in the embodiment of the present invention, if at least one block of information to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, each compressed package of the picture to be displayed is looped Perform the following steps until all at least one compressed package of the picture to be displayed is received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: the compressed package is received, and the compressed package is stored in the electronic The storage of the price tag; release the buffer space of the electronic price tag; therefore, when the information to be displayed is received, the size of the buffer space of the electronic price tag is considered, and a new compressed package is received after releasing the buffer space of the electronic price tag each time , Can provide communication efficiency. In addition, the electronic tag is in a standby mode except for receiving information to be displayed, so as to reduce the power consumption of the electronic price tag.

Based on the above embodiments, an embodiment is given below to illustrate a detailed flow of electronic price tag information transmission. Figure 5 is a detailed flow chart of electronic price tag information transmission in an embodiment of the present invention, as shown in Figure 5, including :

Step 501: The electronic price tag sends the size of the buffer space of the electronic price tag to the server;

Step 502, the server receives the size of the buffer space of the electronic price tag;

Step 503: The server obtains the stored pictures of the electronic price tag;

Step 504, the server generates the image to be displayed of the electronic price tag and the keywords of the image to be displayed according to the information to be displayed of the electronic price tag;

Step 505, the server judges whether it is necessary to perform differential processing on the image to be displayed on the electronic price tag according to the keywords of the stored picture of the electronic price tag and the keywords of the image to be displayed on the electronic price tag; if the result of the judgment is that differential processing is required , Perform differential processing on the pictures to be displayed on the electronic price tag according to the stored pictures of the electronic price tag;

Step 506: The server determines whether it is necessary to perform segmentation compression processing on the image to be displayed of the electronic price tag according to the size of the buffer space of the electronic price tag and the size of the image to be displayed after the difference processing of the electronic price tag;

Step 507: If the server judges that it is necessary to perform segment compression processing, obtain multiple compressed packages of pictures to be displayed that meet the size of the cache space of the electronic price tag;

Step 508: If the server determines that the segment compression processing is not required, obtain a compressed package of the image to be displayed that meets the size of the cache space of the electronic price tag;

Step 509: The server sends at least one information block to be displayed that meets the size of the buffer space of the electronic price tag to the electronic price tag in sequence;

Step 510: The electronic price tag sequentially receives at least one information block to be displayed that meets the size of the buffer space of the electronic price tag in sequence;

When the electronic price tag is received, if at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, the following steps are repeated for each compressed package of the picture to be displayed until it is to be displayed At least one compressed package of the picture is all received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is obtained by adjusting the size of the information to be displayed in the electronic price tag according to the size of the buffer space of the electronic price tag , The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package, storing the compressed package in the memory of the electronic price tag; releasing the electronic Cache space for price tags;

Step 511: In the electronic price tag, decompress at least one compressed package of the picture to be displayed in the buffer space of the electronic price tag to obtain the picture to be displayed;

Step 512: In the electronic price tag, if the obtained picture to be displayed is a picture to be displayed that has undergone difference processing, perform inverse difference processing on the picture to be displayed that has undergone the difference processing according to the pictures stored in the electronic price tag;

After the above-mentioned inverse difference processing, the complete picture to be displayed can be obtained. As long as it is a picture that needs to be displayed in the electronic price tag, the above process is required. The memory of the electronic price tag will store at least one picture, and then the electronic price tag Sign waiting to receive display control information, so that you can know what kind of photo should be displayed.

Step 513: The server sends the display control information of the electronic price tag to the electronic price tag;

The display control information can be the identification of the electronic price tag;

Step 514: Receive the display control information of the electronic price tag; display the pictures stored in the electronic price tag according to the display control information of the electronic price tag.

Of course, it is understandable that a detailed process of electronic price tag information transmission is given above, and other electronic price tag information transmission processes can also be derived according to the above-mentioned embodiments, and the relevant changes should fall within the protection scope of the present invention. .

The embodiment of the present invention also provides an electronic price tag information transmission system. As shown in FIG. 6, it includes the server 601 and the electronic price tag 602. In the electronic price tag information transmission system provided by the embodiment of the present invention, the server The size of the cache space of the price tag, adjust the size of the information to be displayed of the electronic price tag, and obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag, and the information block to be displayed that meets the size of the cache space of the electronic price tag To be able to transmit the information block to be displayed to the electronic price tag at one time; the obtained information block to be displayed not only meets the size of the buffer space of the electronic price tag, but also requires less space for the information block to be displayed than before resizing. Therefore, When at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag, the communication efficiency is higher.

In the electronic price tag, if at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, the following steps are repeated for each compressed package of the picture to be displayed until the picture is displayed At least one compressed package is all received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is obtained by adjusting the size of the information to be displayed in the electronic price tag according to the size of the buffer space of the electronic price tag, The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package, storing the compressed package in the memory of the electronic price tag; releasing the electronic price tag Cache space; decompress at least one compressed package of the picture to be displayed in the cache space of the electronic price tag to obtain the picture to be displayed. Therefore, when receiving the information to be displayed, the size of the buffer space of the electronic price tag is taken into consideration. After the buffer space of the electronic price tag is released each time, a new compressed package is received, which can improve communication efficiency. In addition, the electronic tag is in a standby mode except for receiving information to be displayed, so as to reduce the power consumption of the electronic price tag.

Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

The present invention is described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and/or block in the flowchart and/or block diagram, and the combination of processes and/or blocks in the flowchart and/or block diagram can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment can be generated It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device. The device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment. The instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in further detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of protection of the present invention.

Claims

An electronic price tag information transmission method, characterized in that it comprises:

According to the size of the cache space of the electronic price tag, adjust the size of the information to be displayed on the electronic price tag, and obtain at least one block of information to be displayed that meets the size of the cache space of the electronic price tag. The information block is the information block to be displayed that can be transmitted to the electronic price tag at one time;

At least one information block to be displayed that meets the size of the buffer space of the electronic price tag is sequentially sent to the electronic price tag.
The electronic price tag information transmission method according to claim 1, wherein the size of the information to be displayed in the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag to obtain at least one item that meets the size of the buffer space of the electronic price tag. The information block to be displayed includes:

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, determine whether it is necessary to compress the information to be displayed in the electronic price tag in segments;

If the judgment result is that segment compression processing is required, multiple compressed packages of to-be-displayed information that meet the size of the cache space of the electronic price tag are obtained;

If the judgment result is that no segmentation compression processing is required, a compressed package of the information to be displayed that meets the size of the buffer space of the electronic price tag is obtained.
The electronic price tag information transmission method according to claim 2, characterized in that, according to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, it is determined whether it is necessary to perform the processing on the information to be displayed in the electronic price tag. Before segment compression processing, it also includes:

Determine whether it is necessary to perform differential processing on the information to be displayed on the electronic price tag, and if the judgment result is that differential processing is required, perform differential processing on the information to be displayed on the electronic price tag;

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed in the electronic price tag, it is determined whether the information to be displayed in the electronic price tag needs to be compressed in segments, including:

According to the size of the buffer space of the electronic price tag and the size of the information to be displayed of the electronic price tag after the difference processing, it is determined whether it is necessary to perform the segmentation compression processing on the information to be displayed of the electronic price tag after the difference processing.
The electronic price tag information transmission method according to claim 3, characterized in that it is determined whether the information to be displayed on the electronic price tag needs to be differentially processed, and if the result of the determination is that the information to be displayed on the electronic price tag needs to be differentially processed, Perform differential processing, including:

Obtain the stored pictures of the electronic price tag;

According to the to-be-displayed information of the electronic price tag, generate the to-be-displayed picture of the electronic price tag and the keywords of the to-be-displayed picture;

According to the keywords of the stored pictures of the electronic price tag and the keywords of the picture to be displayed on the electronic price tag, determine whether it is necessary to perform differential processing on the picture to be displayed on the electronic price tag;

If the judgment result is that the difference processing is required, the difference processing is performed on the to-be-displayed picture of the electronic price tag according to the stored pictures of the electronic price tag.
5. The electronic price tag information transmission method according to claim 1, further comprising:

Send the display control information of the electronic price tag to the electronic price tag.
An electronic price tag information transmission method, characterized in that it comprises:

If at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, perform the following steps in a loop for each compressed package of the picture to be displayed until at least one compressed package of the picture to be displayed is all After receiving, the at least one piece of information to be displayed that meets the size of the buffer space of the electronic price tag is obtained by adjusting the size of the information to be displayed in the electronic price tag according to the size of the buffer space of the electronic price tag. The information block to be displayed of the size of the cache space of the tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: receiving the compressed package, storing the compressed package in the memory of the electronic price tag; releasing the cache space of the electronic price tag;

Decompress at least one compressed package of the picture to be displayed in the buffer space of the electronic price tag to obtain the picture to be displayed.
7. The electronic price tag information transmission method of claim 6, further comprising:

If the obtained picture to be displayed is a picture to be displayed that has undergone differential processing, the inverse differential processing is performed on the picture to be displayed that has undergone the differential processing according to the picture stored in the electronic price tag.
7. The electronic price tag information transmission method of claim 6, further comprising:

Receive the display control information of the electronic price tag;

According to the display control information of the electronic price tag, the pictures stored in the electronic price tag are displayed.
A server, characterized in that it comprises:

The information processing module is used to adjust the size of the information to be displayed of the electronic price tag according to the size of the buffer space of the electronic price tag, and obtain at least one information block to be displayed that meets the size of the cache space of the electronic price tag. The information block to be displayed with the size of the buffer space is the information block to be displayed that can be transmitted to the electronic price tag at one time;

The to-be-displayed information sending module is used to send at least one to-be-displayed information block that meets the size of the buffer space of the electronic price tag to the electronic price tag in sequence.
An electronic price tag, characterized in that it comprises:

The to-be-displayed information receiving module is configured to: if at least one to-be-displayed information block meeting the size of the buffer space of the electronic price tag is at least one compressed package of the picture to be displayed, each compressed package of the picture to be displayed is cyclically performed the following steps, Until at least one compressed package of the picture to be displayed is all received, wherein the at least one information block to be displayed that meets the size of the buffer space of the electronic price tag is adjusted according to the size of the buffer space of the electronic price tag. The information block to be displayed that meets the size of the buffer space of the electronic price tag is the information block to be displayed that can be transmitted to the electronic price tag at one time: the compressed package is received, and the compressed package is stored in the memory of the electronic price tag ; Release the buffer space of the electronic price tag;

The to-be-displayed picture obtaining module is used to decompress at least one compressed package of the to-be-displayed picture in the buffer space of the electronic price tag to obtain the to-be-displayed picture.
An electronic price tag information transmission system, characterized by comprising the server according to claim 9 and the electronic price tag according to claim 10.
A computer device, comprising a memory, a processor, and a computer program stored on the memory and running on the processor, wherein the processor executes the computer program to implement any one of claims 1 to 8 method.
A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 8.