WO2020243946A1 - Procédé et système de transmission d'informations à une étiquette de prix électronique, étiquette de prix électronique et serveur - Google Patents

Procédé et système de transmission d'informations à une étiquette de prix électronique, étiquette de prix électronique et serveur Download PDF

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Publication number
WO2020243946A1
WO2020243946A1 PCT/CN2019/090331 CN2019090331W WO2020243946A1 WO 2020243946 A1 WO2020243946 A1 WO 2020243946A1 CN 2019090331 W CN2019090331 W CN 2019090331W WO 2020243946 A1 WO2020243946 A1 WO 2020243946A1
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WIPO (PCT)
Prior art keywords
electronic price
price tag
displayed
information
size
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PCT/CN2019/090331
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English (en)
Chinese (zh)
Inventor
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
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Application filed by 浙江汉朔电子科技有限公司 filed Critical 浙江汉朔电子科技有限公司
Priority to CA3140671A priority Critical patent/CA3140671A1/fr
Priority to PCT/CN2019/090331 priority patent/WO2020243946A1/fr
Priority to AU2019449046A priority patent/AU2019449046A1/en
Publication of WO2020243946A1 publication Critical patent/WO2020243946A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations

Definitions

  • 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.
  • 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:
  • 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:
  • 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;
  • 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:
  • 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;
  • 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.
  • 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.
  • FIG. 1 is a flowchart of the electronic price tag information transmission method proposed in an 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.
  • 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.
  • 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.
  • 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.
  • the electronic price tag will send the amount of space in its memory space that can be used as data cache through heartbeat data.
  • 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.
  • the buffer space of the electronic price tag can successfully receive each information block to be displayed in sequence.
  • 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
  • the buffer space of the electronic price tag is smaller than the information to be displayed in the electronic price tag.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the method 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:
  • the information to be displayed in the electronic price tag needs to be compressed in segments, including:
  • 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 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.
  • 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:
  • 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;
  • 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
  • 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.
  • the stored pictures of the electronic price tag may not be sent by the electronic price tag, but can be obtained through other means.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the electronic price tag information transmission method further includes: sending the display control information of the electronic price tag to the electronic price tag.
  • the display control information of the electronic price tag may be the identification of the picture of the electronic price tag.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the memory in step 201 may be a non-volatile memory, so as to achieve the best data storage effect.
  • the electronic price tag 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 specific adjustment method may be Refer to the specific embodiment corresponding to step 101 to step 102.
  • 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
  • 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.
  • 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.
  • 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.
  • the method of obtaining may adopt the method of the following embodiment.
  • the electronic price tag information transmission method further includes:
  • 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.
  • 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.
  • the electronic price tag receives the information to be displayed for display, and which photo is specifically displayed requires display control information.
  • the electronic price tag information transmission method further includes: receiving display control information of the electronic price tag;
  • the pictures stored in the electronic price tag are displayed.
  • 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).
  • 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.
  • 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.
  • 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.
  • the information processing module 301 is specifically configured 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;
  • 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
  • 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.
  • the information processing module 301 is specifically configured 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
  • the server further includes a display control information sending module 303, configured to:
  • 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.
  • 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.
  • 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.
  • 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.
  • the electronic price tag further includes an inverse difference processing module 403 for:
  • 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.
  • the electronic price tag further includes a display module 404 for:
  • the pictures stored in the electronic price tag are 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.
  • the electronic tag is in
  • 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;
  • 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;
  • 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.
  • 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.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • a computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • 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.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

La présente invention concerne un procédé et un système de transmission d'informations à une étiquette de prix électronique, une étiquette de prix électronique et un serveur. Le procédé comprend les étapes consistant à : ajuster la taille d'informations devant être affichées d'une étiquette de prix électronique en fonction de la taille d'un espace de mémoire cache de l'étiquette de prix électronique de façon à obtenir au moins un bloc d'informations devant être affiché qui correspond à la taille de l'espace de mémoire cache de l'étiquette de prix électronique, ledit bloc d'informations étant un bloc d'informations devant être affiché qui peut être transmis à l'étiquette de prix électronique en une seule fois ; et envoyer ledit au moins un bloc d'informations à l'étiquette de prix électronique. La présente invention peut améliorer l'efficacité de communication.
PCT/CN2019/090331 2019-06-06 2019-06-06 Procédé et système de transmission d'informations à une étiquette de prix électronique, étiquette de prix électronique et serveur WO2020243946A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA3140671A CA3140671A1 (fr) 2019-06-06 2019-06-06 Methode et systeme pour transmettre des renseignements d'etiquette d'etagere electronique, etiquette d'etagere electronique et serveur
PCT/CN2019/090331 WO2020243946A1 (fr) 2019-06-06 2019-06-06 Procédé et système de transmission d'informations à une étiquette de prix électronique, étiquette de prix électronique et serveur
AU2019449046A AU2019449046A1 (en) 2019-06-06 2019-06-06 Method and system for transmitting electronic shelf label information, electronic shelf label and server

Applications Claiming Priority (1)

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PCT/CN2019/090331 WO2020243946A1 (fr) 2019-06-06 2019-06-06 Procédé et système de transmission d'informations à une étiquette de prix électronique, étiquette de prix électronique et serveur

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CN116048441A (zh) * 2023-01-10 2023-05-02 盒马(中国)有限公司 电子价签显示方法及装置

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CN107168663A (zh) * 2017-03-30 2017-09-15 联想(北京)有限公司 信息处理方法及电子设备
CN107784332A (zh) * 2016-08-24 2018-03-09 浙江汉朔电子科技有限公司 电子价签信息处理系统及方法
CN108990004A (zh) * 2018-08-06 2018-12-11 上海保资智能科技有限公司 一种电子价签的显示信息传输方法及系统

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CN107168663A (zh) * 2017-03-30 2017-09-15 联想(北京)有限公司 信息处理方法及电子设备
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CN116048441B (zh) * 2023-01-10 2023-12-22 盒马(中国)有限公司 电子价签显示方法及装置

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