CN107330486A - Electronic shelf label module and electronic bin tag system - Google Patents
Electronic shelf label module and electronic bin tag system Download PDFInfo
- Publication number
- CN107330486A CN107330486A CN201710482781.6A CN201710482781A CN107330486A CN 107330486 A CN107330486 A CN 107330486A CN 201710482781 A CN201710482781 A CN 201710482781A CN 107330486 A CN107330486 A CN 107330486A
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- China
- Prior art keywords
- shelf label
- drain pan
- electronic shelf
- electronic
- module
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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
- G06K17/0022—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 arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Display Racks (AREA)
Abstract
The present invention provides a kind of electronic shelf label module and electronic bin tag system.The electronic shelf label module includes drain pan, face-piece and mainboard, the drain pan and face-piece interconnect and are formed with cavity between the drain pan and face-piece, the mainboard is arranged in the cavity, display screen is provided with the mainboard, it is additionally provided with the mainboard on the electric connector for stretching out the drain pan or face-piece, the drain pan and is provided with buckle.Electronic shelf label module and electronic bin tag system provided in an embodiment of the present invention, can realize unified energization, so as to reduce the cost of electronic shelf label module and electronic bin tag system to electronic shelf label module.
Description
Technical field
The present invention relates to display device field, especially a kind of electronic shelf label module and electronic bin tag system.
Background technology
, it is necessary to using substantial amounts of price tag, for marking commodity price or other product informations in retail and storage sector
's.Traditional price tag is the material based on papery, and when frequently carrying out data renewal in this case, workload is larger, and
Easily there is mistake in manual operations, also has no idea to realize real-time update.Electronic shelf label is exactly to solve these problems
And the new display equipment developed.But, existing electronic shelf label is essentially all each independently installed, therefore ought be made
During with more electronic shelf label, each electronic shelf label will realize the functions such as energization, communication, may result in electronics goods
The cost of frame label is very high, is unfavorable for promoting the use of for electronic shelf label.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a kind of inexpensive electronic shelf label module and electronics
Bin tag system.
In order to solve the above technical problems, the present invention provides a kind of electronic shelf label module, it includes drain pan, face-piece and master
Plate, the drain pan and face-piece interconnect and cavity are formed between the drain pan and face-piece, and the mainboard is arranged on the chamber
In vivo, the electric connector for being additionally provided with display screen, the mainboard and stretching out the drain pan or face-piece, institute are provided with the mainboard
State and buckle is provided with drain pan.
Preferably, the bottom surface of the drain pan is provided with multiple through holes, and the electric connector includes the multiple and through hole one
One corresponding conductive pole, the conductive pole stretches out through the through hole and from the bottom surface of the drain pan.
Preferably, it is additionally provided with locating dowel on the bottom surface of the drain pan.
Preferably, the drain pan is provided with two buckles, and it is two relative that described two buckles are arranged at the bottom surface
On side, and it is diagonally positioned centered on the locating dowel.
Preferably, it is additionally provided with the drain pan at opening, the opening and is provided with the bullet that one end is connected with drain pan body
Property button, the elastic buckles are oppositely arranged with one of buckle, are set with another buckle homonymy, described to elastically snap into free state
Under be partially protrude through the bottom surface of the drain pan body, the elastic buckles can be along inward-outward direction elastic movement.
The embodiment of the present invention also provides a kind of electronic bin tag system, it include guide rail, circuit board and at least one such as
Electronic shelf label module described in any of the above-described embodiment, the circuit board is arranged in the guide rail, on the circuit board
Provided with the connecting interface being engaged with the electric connector, the electronic shelf label module is detachable by the electric connector
Ground is connected on the circuit board, and the buckle is stuck on the guide rail.
Preferably, the electronic bin tag system also includes main control module, the main control module and the circuit
Plate is connected, and the circuit board is provided with multiple connecting interfaces, and the main control module includes master controller and wireless module,
The wireless module, which is used to receive from external equipment, shows signal, and the master controller is used for according to the display signal control institute
The display screen for stating electronic shelf label module is shown.
Preferably, the circuit board is slidably matched with the guide rail.
Preferably, the connecting interface is the multiple conductive holes being arranged on the circuit board, the electronic shelf label
It is provided with module on the multiple and one-to-one conductive pole of the conductive hole, the circuit board and is additionally provided with positioning hole, it is described
Positioning hole is formed a line with the multiple conductive hole, and locating dowel, the locating dowel are provided with the electronic shelf label module
Formed a line with the multiple conductive pole.
Preferably, the main control module is connected with the multiple electronic shelf label module by I2C bus communications.
Electronic shelf label module and electronic bin tag system provided in an embodiment of the present invention, can be to electronic bin mark
Sign module and realize unified energization, so as to reduce the cost of electronic shelf label module and electronic bin tag system.
Brief description of the drawings
Fig. 1 is the partial structural diagram of electronic bin tag system provided in an embodiment of the present invention.
Fig. 2 is the structural representation of electronic bin tag system provided in an embodiment of the present invention.
The structural representation for the electronic bin tag system that Fig. 3 provides for another embodiment of the present invention.
Fig. 4 be Fig. 2 in electronic shelf label module stereogram.
Fig. 5 be Fig. 4 in electronic shelf label module explosive view.
Fig. 6 be Fig. 4 in electronic shelf label module another visual angle explosive view.
Fig. 7 is the scheme of installation of electronic bin tag system provided in an embodiment of the present invention.
Fig. 8 is the A portions enlarged drawing in Fig. 7.
Fig. 9 is another visual angle scheme of installation of electronic bin tag system provided in an embodiment of the present invention.
Embodiment
Technical scheme of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
It is fixed.
Referring to figs. 1 to Fig. 9, the embodiment of the present invention provides a kind of electronic bin tag system, it include main control module 1,
At least one electronic shelf label module 3 and circuit board 2.Circuit board 2 is provided with multiple connections electrically connected with main control module 1
Interface 21, electronic shelf label module 3 is connected in connecting interface 21, so as to be electrically connected with main control module 1.Electronics goods
Display screen 31 is provided with frame label module 3, for information such as display of commodity prices.In a preferred embodiment, the display screen 31
Can be electronic-paper display screen, this display screen is very thin, and compares power saving, suitable for doing electronic shelf label.Electronic Paper is shown
The structure of screen may be referred to the patent documents such as CN202693966U, CN204790255U, and here is omitted.In other embodiment
In, display module 31 can be liquid crystal display, light-emitting diode display or OLED display, it is therefore preferable to which cholesteryl liquid crystal is shown
Device.Main control module 1 includes master controller 11 and wireless module 12, and wireless module 12 is used to receive display letter from external equipment
Number, master controller 11 is used to be shown according to the display screen 31 of display signal control electronic shelf label module 3.Wireless module
12 can be RF modules, bluetooth module, WiFi module, ZigBee module or gsm module etc..Master controller 11 is desirably integrated into one
In individual chip, the function of controller is realized for example with the ARM Cotex-M3 chips with reception and forwarding capability.Specific
During implementation, the manager of the electronic bin tag system can be according to actual needs by one or more electronic shelf label modules
3 are connected on circuit board 2, may then pass through control main frame and are communicated with wireless module 12, and display signal is sent into nothing
Wire module 12, main control module 1 is obtained after display signal from wireless module 12, controls each display pair of electronic shelf label module 3
The content answered.In other embodiments, the manager of the electronic bin tag system can also be passed through wireless with control main frame
Base station is communicated with wireless module 12.
Fig. 2 is refer to, in a preferred embodiment, electronic shelf label module 3 also includes the son control being connected with display screen 31
Device 32 processed, sub-controller 32 is connected by circuit board 2 with master controller 11.In this embodiment, each electronic shelf label mould
Group 3 is provided with independent sub-controller 32, and sub-controller 32 is connected with the drive circuit of display screen 31, and sub-controller 32 is received
After the display signal sent to master controller 11, driving display screen 31 shows corresponding content.Specifically, sub-controller 32 can
To be IC chip.
Fig. 3 is refer to, in another preferred embodiment, the driving electricity that master controller 11 passes through circuit board 2 and display screen 31
Road is connected.In this embodiment, each electronic shelf label module 3 is not provided with independent sub-controller, and master controller 11 is straight
Connect and control the display screen 31 of the electronic shelf label module 3 of all connections on the circuit board 2 to be shown.
Fig. 2 is refer to, in a preferred embodiment, main control module 1 also includes the power supply for being used to power for main control module 1
Module 13, electronic shelf label module 3 also includes the sub- power module 33 for being used to power for electronic shelf label module 3.At this
In embodiment, main control module 1 is each provided with independent power supply with each electronic shelf label module 3.Power module 13 and son
Power module 33 may each be battery.
Fig. 3 is refer to, in another preferred embodiment, main control module 1 also includes power module 13, and power module 13 is used
In being that main control module 1 and electronic shelf label module 3 are powered.Namely in this embodiment, electronic shelf label module 3 does not have
Independent power supply, is powered by main control module 1 is unified for each electronic shelf label module 3.Power module 13 can be can
Rechargeable battery, such as chargeable lithium cell.
In a preferred embodiment, electronic shelf label module 3 and/or main control module 1 are detachably connected to circuit board 2
On.In an advantageous embodiment, electronic shelf label module 3 is detachably connected on circuit board 2, electronic shelf label system
The manager of system can install electronic shelf label module 3 according to the putting position of commodity at corresponding connecting interface, when this
When commodity are not placed in position, electronic shelf label module 3 can be taken away again, improve the profit of electronic shelf label module 3
With efficiency, the usage quantity of electronic shelf label module 3 is reduced.In another preferred embodiment, main control module 1 is detachable
Ground is connected on the circuit board 2, to simplify the installation of whole electronic bin tag system.Certainly, in other embodiments, electronics goods
Frame label module 3 and main control module 1 can also be all removably attachable on circuit board 2.In other embodiments, master control
Molding block 1 and circuit board 2 can also be non-removable connected modes, and for example main control module 1 can be one with circuit board 2
It is overall.
Fig. 7 to Fig. 9 is refer to, in a preferred embodiment, the electronic bin tag system also includes guide rail 4, and circuit board 2 is pacified
In guide rail 4.It is further preferred that circuit board 2 is slidably matched with guide rail 4.Meaning is slidably matched herein, refers to circuit board 2
It can be translated in guide rail 4, consequently facilitating position of the adjustment circuit plate 2 in guide rail 4.In a preferred embodiment, set on guide rail 4
The chute that two length directions along guide rail 4 extend and are oppositely arranged is equipped with, two sides of circuit board 2 are movably stuck in respectively
In chute.Specifically, guide rail 4 is strip, generally 0.9 meter long or 1.2 meters long.Circuit board 2 is also strip.Peace
During dress, first guide rail 4 can be fixed on shelf, then insert circuit board 2 in guide rail 4, finally by electronic shelf label mould
Group 3 is connected on circuit board 2.This mounting structure is fairly simple, and more versatile and flexible.When mounted, can be according to need
Multiple guide rails 4 to be installed on shelf.
Fig. 4 to Fig. 6 is refer to, in a preferred embodiment, electronic shelf label module 3 also includes drain pan 34, the and of face-piece 36
Mainboard 35, drain pan 34 and face-piece 36 are interconnected, and cavity is formed between drain pan 34 and face-piece 36, and mainboard 35 is arranged on cavity
It is interior.Display screen 31 is provided with mainboard 35.The drive circuit of display screen 31 is additionally provided with mainboard 35, can also set power supply and
Sub-controller 32 of control display screen 31 etc..In a preferred embodiment, face-piece 36 can include surface frame 361 and cover plate 362, surface frame
361 are connected with drain pan 34, and cover plate 362 is transparent thin board, and cover plate 362 is fixed in surface frame 361, and just right with display screen 31.
The sight of observer reaches display screen 31 through cover plate 362.It is additionally provided with mainboard 35 and stretches out being electrically connected for drain pan 34 or face-piece 36
Device 351 is connect, electric connector 351 is used to electrically connect with the connecting interface 21 on circuit board 2, electronic shelf label module 3 is powered.
Electric connector 351 can be plugged relative to connecting interface 21, so that electronic shelf label module 3 is removable relative to circuit board 2
Unload.In a preferred embodiment, connecting interface 21 can be on the multiple conductive holes being arranged on circuit board 2, electronic shelf label 3
The multiple and one-to-one conductive pole of conductive hole is provided with, multiple conductive poles constitute above-mentioned arrangements of electric connection 351.In the present embodiment
In, electric electric connector 351 stretches out from drain pan 34, in other embodiments, and electric connector 351 can also stretch out from face-piece 36.Bottom
Buckle 341 is provided with shell 34, for being stuck in guide rail 4 or other objects (such as shelf), makes electronic shelf label module 3
It is fixed.
In a preferred embodiment, the bottom surface of drain pan 34 is provided with multiple through holes 343, electric connector 351 include it is multiple with it is logical
The one-to-one conductive pole in hole 343, conductive pole stretches out through through hole 343 and from the bottom surface of drain pan 34.It should be noted that herein
Signified through hole 343, refers to the through hole being engaged with conductive pole, without including other holes on bottom surface.
In a further preferred embodiment, locating dowel 342 is additionally provided with the bottom surface of drain pan 34, for by electronics goods
Frame label module 3 is positioned when being installed on circuit board 2.Locating dowel 342 substantially be arranged in parallel with conductive pole.Preferably,
Locating dowel 342 forms a line with multiple conductive poles.It refer to and positioning hole 22 is provided with Fig. 8, circuit board 2, locating dowel 342 is inserted
Positioned in positioning hole 22.It should be noted that setting locating dowel 342 on the bottom surface of signified drain pan 34 herein, you can be
Locating dowel 342 is directly anchored on bottom surface, and is stretched out or locating dowel 342 is fixed on mainboard 35, and from bottom surface
Bottom surface is stretched out in the upper and hole of the tight fit of locating dowel 342.In a preferred embodiment, positioning hole 22 lines up one with multiple conductive holes
Row, locating dowel 342 forms a line with multiple conductive poles.
In a preferred embodiment, drain pan 34 is provided with two buckles 341, and it is two relative that two buckles 341 are arranged at bottom surface
On side, and it is diagonally positioned centered on locating dowel 342.When electronic shelf label module 3 is installed, first locating dowel 342 is inserted
Enter in positioning hole 22, the electronic shelf label module 3 is positioned, then rotating electron shelf label module 3, make two cards
Button 341 is stuck in the edge of guide rail 4, and electronic shelf label module 3 is fixed.In other embodiments, electronic shelf label module 3
Circuit board 2 can also be inserted in be fixed.In a further preferred embodiment, it is additionally provided with drain pan 34 at opening, opening
The elastic buckles 346 that one end is connected with drain pan body 347 are provided with, elastic buckles 346 are oppositely arranged with one of buckle 341, with
Another buckle 341 is then located at homonymy.Elastic buckles 346 are partially protrude through the bottom surface of drain pan body 347 (i.e. in peace in a free state
Towards the face of guide rail 4 during dress), elastic buckles 346 can (be away from and close to guide rail 4 in installment state along inward-outward direction
Direction) elastic movement, elastic buckles 346 when by towards pressure inside electronic shelf label module 3, can at opening to
The internal compression of electronic shelf label module 3, so that the part of its bottom surface for protruding from drain pan body 347 in a free state is not
Protrude again.During installation, first locating dowel 342 is inserted in positioning hole 22, the electronic shelf label module 3 positioned, then
Rotating electron shelf label module 3, the now compressing of guide rail 4 elastic buckles 346, makes elastic buckles 346 into electronic shelf label module 3
Portion is compressed, so that guide rail 4 crosses elastic buckles 346, and now elastic buckles 346 are affranchised state again, and guide rail 4 is stuck in into elastic buckles
346 and the buckle 341 that is oppositely arranged with elastic buckles 346, with the buckle 341 of the homonymy of elastic buckles 346 then together with elastic buckles 346
Block a side of guide rail 4.
Electronic shelf label module and electronic bin tag system provided in an embodiment of the present invention, can pass through circuit board pair
Electronic shelf label module realize it is unified be powered so that reduce electronic shelf label module and electronic bin tag system into
This.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of electronic shelf label module, it includes drain pan, face-piece and mainboard, and the drain pan and face-piece are interconnected and described
Cavity is formed between drain pan and face-piece, the mainboard is arranged in the cavity, and display screen is provided with the mainboard, it is special
Levy and be, be additionally provided with the mainboard on the electric connector for stretching out the drain pan or face-piece, the drain pan and be provided with buckle.
2. electronic shelf label module as claimed in claim 1, it is characterised in that the bottom surface of the drain pan is provided with multiple logical
Hole, the electric connector include it is multiple with the one-to-one conductive pole of the through hole, the conductive pole through the through hole and from
The bottom surface of the drain pan is stretched out.
3. electronic shelf label module as claimed in claim 2, it is characterised in that it is fixed to be additionally provided with the bottom surface of the drain pan
Position post.
4. electronic shelf label module as claimed in claim 3, it is characterised in that the drain pan is provided with two cards
Button, described two buckles are arranged on the two opposite sides side of the bottom surface, and diagonally positioned centered on the locating dowel.
5. electronic shelf label module as claimed in claim 4, it is characterised in that opening, institute are additionally provided with the drain pan
State and the elastic buckles that one end is connected with drain pan body are provided with opening, the elastic buckles are oppositely arranged with one of buckle, with
Another buckle homonymy is set, described to elastically snap into the bottom surface that the drain pan body is partially protrude through under free state, the elasticity
Button can be along inward-outward direction elastic movement.
6. a kind of electronic bin tag system, it is characterised in that including guide rail, circuit board and at least one such as claim 1 to 5
Electronic shelf label module described in any one, the circuit board is arranged in the guide rail, and the circuit board is provided with and institute
The connecting interface that electric connector is engaged is stated, the electronic shelf label module is detachably connected to by the electric connector
On the circuit board, the buckle is stuck on the guide rail.
7. electronic bin tag system as claimed in claim 6, it is characterised in that the electronic bin tag system also includes
Main control module, the main control module is connected with the circuit board, and the circuit board is provided with multiple connecting interfaces, institute
Stating main control module includes master controller and wireless module, and the wireless module, which is used to receive from external equipment, shows signal, institute
Stating master controller is used to control the display screen of the electronic shelf label module to be shown according to the display signal.
8. electronic bin tag system as claimed in claim 6, it is characterised in that the circuit board is slided with the guide rail matches somebody with somebody
Close.
9. electronic bin tag system as claimed in claim 6, it is characterised in that the connecting interface is to be arranged at the electricity
It is provided with multiple conductive holes on the plate of road, the electronic shelf label module multiple conductive correspondingly with the conductive hole
Positioning hole is additionally provided with post, the circuit board, the positioning hole forms a line with the multiple conductive hole, the electronic bin
Locating dowel is provided with label module, the locating dowel forms a line with the multiple conductive pole.
10. electronic bin tag system as claimed in claim 6, it is characterised in that the main control module with it is the multiple
Electronic shelf label module is connected by I2C bus communications.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214365.8A CN106886806A (en) | 2017-04-01 | 2017-04-01 | Electronic shelf label module and electronic bin tag system |
| CN2017102143658 | 2017-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107330486A true CN107330486A (en) | 2017-11-07 |
Family
ID=59181639
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710214365.8A Withdrawn CN106886806A (en) | 2017-04-01 | 2017-04-01 | Electronic shelf label module and electronic bin tag system |
| CN201710482781.6A Pending CN107330486A (en) | 2017-04-01 | 2017-06-22 | Electronic shelf label module and electronic bin tag system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710214365.8A Withdrawn CN106886806A (en) | 2017-04-01 | 2017-04-01 | Electronic shelf label module and electronic bin tag system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106886806A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461047A (en) * | 2018-03-28 | 2018-08-28 | 厦门上特展示***工程有限公司 | The LCD display structure and device of Item Information are shown on showing stand |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111368958A (en) * | 2020-05-21 | 2020-07-03 | 帷幄匠心科技（杭州）有限公司 | Commodity display method and system and electronic tag shielding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222206A (en) * | 2011-05-18 | 2011-10-19 | 韩梅 | System with multiple-electric-price-tag group |
| CN202018667U (en) * | 2011-04-18 | 2011-10-26 | 深圳市华视界光电有限公司 | Electronic shelf label |
| CN103680322A (en) * | 2013-12-09 | 2014-03-26 | 张家港力普拓科技有限公司 | Electronic shelf label |
| CN104318299A (en) * | 2014-09-30 | 2015-01-28 | 潘重光 | Electronic display label system |
| CN204465885U (en) * | 2015-02-09 | 2015-07-08 | 深圳中航信息科技产业股份有限公司 | A kind of electronic bin tag system |
| CN104881697A (en) * | 2014-08-01 | 2015-09-02 | 绿泰信息科技(上海)有限公司 | Electronic shelf label device suitable for guide rail installation |
| CN207164786U (en) * | 2017-04-01 | 2018-03-30 | 广州奥翼电子科技股份有限公司 | Electronic shelf label module and electronic bin tag system |
-
2017
- 2017-04-01 CN CN201710214365.8A patent/CN106886806A/en not_active Withdrawn
- 2017-06-22 CN CN201710482781.6A patent/CN107330486A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202018667U (en) * | 2011-04-18 | 2011-10-26 | 深圳市华视界光电有限公司 | Electronic shelf label |
| CN102222206A (en) * | 2011-05-18 | 2011-10-19 | 韩梅 | System with multiple-electric-price-tag group |
| CN103680322A (en) * | 2013-12-09 | 2014-03-26 | 张家港力普拓科技有限公司 | Electronic shelf label |
| CN104881697A (en) * | 2014-08-01 | 2015-09-02 | 绿泰信息科技(上海)有限公司 | Electronic shelf label device suitable for guide rail installation |
| CN104318299A (en) * | 2014-09-30 | 2015-01-28 | 潘重光 | Electronic display label system |
| CN204465885U (en) * | 2015-02-09 | 2015-07-08 | 深圳中航信息科技产业股份有限公司 | A kind of electronic bin tag system |
| CN207164786U (en) * | 2017-04-01 | 2018-03-30 | 广州奥翼电子科技股份有限公司 | Electronic shelf label module and electronic bin tag system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461047A (en) * | 2018-03-28 | 2018-08-28 | 厦门上特展示***工程有限公司 | The LCD display structure and device of Item Information are shown on showing stand |
| CN108461047B (en) * | 2018-03-28 | 2023-08-29 | 上特展示(厦门)股份有限公司 | LCD display screen structure and device for displaying article information on display rack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106886806A (en) | 2017-06-23 |
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