CN109683835A - A kind of electronics price tag system based on POWERBUS bus - Google Patents
A kind of electronics price tag system based on POWERBUS bus Download PDFInfo
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- CN109683835A CN109683835A CN201811124533.5A CN201811124533A CN109683835A CN 109683835 A CN109683835 A CN 109683835A CN 201811124533 A CN201811124533 A CN 201811124533A CN 109683835 A CN109683835 A CN 109683835A
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- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cash Registers Or Receiving Machines (AREA)
Abstract
The electronics price tag system based on POWERBUS bus that the invention discloses a kind of, including host computer, at least one electronics price tag host and electronics price tag slave for being connect with host computer；Each electronics price tag host is connected to provide DC power supply and carry out real-Time Signal Transfer with multiple electronics price tag slaves by two nonpolarity POWERBUS buses；The POWERBUS bus is service cable.The present invention saves a large amount of manpower and material resources compared with traditionally on paper price tag, has prevented artificial hand-written fault, at the same data can in real time with host computer and bar code balance synchronize avoid customer and misread；The present invention has many advantages, such as that at low cost, easy for construction, maintenance is simple, signal transmission is reliable compared with existing various wireless electron ink screens, wireless LCD screen and other wired screens.
Description
Technical field
The present invention relates to electronics price tag technical field, especially a kind of electronics price tag system based on POWERBUS bus.
Background technique
Traditional supermarket's papery price tag changes a price tag and averagely wants two minutes, and the whole amount of labour is very big；And according to associated mechanisms
Statistics, Loss Rate of averagely price tag is 2% during this, and manual fault rate is 6%.Not only consume a large amount of manpower object
Power, used price tag more cause considerable degree of waste.In addition, manually appraising at the current rate using papery price tag
Low efficiency leads to price disunity between commodity price tag and cash register system, causes many misunderstandings of customer.Furthermore papery price tag
The costs such as the paper, ink, the printing that are related to also increasingly are improving.Therefore, to find new sales growth point, electronics price tag makes
With having become a kind of inexorable trend.Also occur many very advanced electronics price tags with advances in technology, if any super province
The wireless charging electronic ink screen and LCD screen of electricity, but existing electronics price tag is since at high cost, difficulty of construction is big, after-sales service
The problems such as inconvenient (such as replacement battery) and Wireless Losses, it is reported that the existing one middle-size and small-size a set of electronics price tag of supermarket's cloth needs
Thus 10~300,000 expense causes electronics price tag to promote difficulty big.Therefore, it using suitable technology, produces highly reliable, low
Cost facilitates and is necessary with, electronics price tag easy to maintain.
Summary of the invention
It is a primary object of the present invention to propose a kind of electronics price tag system based on POWERBUS bus, it is applied to supermarket
It needs to weigh, need frequently change the fresh of price, fruits and vegetables, dried food and nuts, bulk goods region, be able to solve traditionally on paper price tag efficiency
It is low, fault rate is big, data are asynchronous, lavish labor on and solve existing electronics price tag at high cost, Maintenance Difficulty, communication are unreliable,
The problem of can not promoting.
The present invention adopts the following technical scheme:
A kind of electronics price tag system based on POWERBUS bus, connect including host computer, with host computer
At least one electronics price tag host and electronics price tag slave；Each electronics price tag host passes through two nonpolarity POWERBUS buses
It is connected with multiple electronics price tag slaves to provide DC power supply and carry out real-Time Signal Transfer；The POWERBUS bus is to supply
Electrical cables.
Preferably, the electronics price tag host includes: low-voltage dc power supply, main website control module, the first CPU module and leads to
Believe module；The low-voltage dc power supply is connected to power with the main website control module；The main website control module with it is described
Two nonpolarity POWERBUS buses are connected with modulation control signal and power；The main website control module and described first
CPU module is connected to carry out signal transmission；First CPU module is connected by the communication module with the host computer.
Preferably, the low-voltage dc power supply includes low-voltage direct Switching Power Supply or low-voltage direct linear power supply.
Preferably, the main website control module includes PB620 main website control chip.
Preferably, the communication module includes WIFI wireless module, ethernet module, one or more in serial port module
It is a.
Preferably, the electronics price tag slave includes: to be connected in addition with described two nonpolarity POWERBUS buses
Two nonpolarity POWERBUS buses, slave station transceiver module, the second CPU module and LED/LCD display module；The slave station transmitting-receiving
Module is connected to carry out dipole inversion to input power and connect and modulation control signal with other two nonpolarity POWERBUS buses；
The slave station transceiver module is connected with second CPU module to carry out signal transmission；The LED/LCD display module with it is described
Second CPU module is connected with display of commodity price；Other two nonpolarity POWERBUS buses are service cable.
Preferably, the electronics price tag slave further includes PLU identification key；The PLU identification key is to press without self-locking touch
Key；The PLU identification key is connected to control the LED/LCD display module display of commodity PLU with second CPU module
Code.
Preferably, the electronics price tag slave further includes power switch；The power switch is band self-lock switch；The electricity
Source switch is arranged between other two nonpolarity POWERBUS buses and slave station transceiver module.
Preferably, the LED/LCD display module includes two；Two mutual make-up groups of LED/LCD display module
At a two-sided electronics price tag slave to show two kinds of different commodity prices and/or commodity PLU code.
Preferably, the slave station transceiver module includes PB331 slave station communication chip.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) a kind of electronics price tag system based on POWERBUS bus of the present invention, the slave station transceiver module includes power supply
Polarity switching to carry out dipole inversion to input power, thus realize two POWERBUS buses of electronics price tag host with
When two POWERBUS buses of electronics price tag slave are connected, without the concern for the positive and negative anodes of power supply, i.e. electronics price tag host
Any one POWERBUS bus be connected with any one POWERBUS bus of electronics price tag slave so that wiring
It is convenient, it is not easy to make mistakes；
(2) a kind of electronics price tag system based on POWERBUS bus of the present invention, at POWERBUS bus (service cable)
The stability of communication is greatly improved instead of the control cable and service cable of tradition separation in upper modulation control signal；
(3) a kind of electronics price tag system based on POWERBUS bus of the present invention, passes through electronics price tag host and electrovalence
Label slave is used cooperatively (PB620 chip is used cooperatively with PB331 chip), makes it possible to realize telecommunication；Furthermore
One electronics price tag host can at most mount 256 electronics price tag slaves simultaneously, so as to save the cost；Further, it supplies
Electrical cables wiring can be bus-type, tree-shaped or any ways such as star-like and be laid with, therefore construction can greatly be facilitated to be routed, and
Prevent misconnection；
(4) a kind of electronics price tag system based on POWERBUS bus of the present invention, each electronics price tag slave include
Independent power switch, thus electronics price tag slave do not need using when can close corresponding power switch, to save electricity
Source；
(5) a kind of electronics price tag system based on POWERBUS bus of the present invention, each electronics price tag slave include
PLU identifies key, can identify that key display of commodity PLU code to carry out commodity verification, prevents valence by pressing PLU when needed
Label mislabel.
The above description is only an overview of the technical scheme of the present invention, in order to more clearly understand technology hand of the invention
Section, so as to be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention
It can be more clearly understood, be exemplified below a specific embodiment of the invention.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
Above-mentioned and other purposes of the invention, advantages and features.
Detailed description of the invention
Fig. 1 is the structural block diagram of the electronics price tag system of the embodiment of the present invention；
Fig. 2 is the bus-type wiring diagram of the electronics price tag system of the embodiment of the present invention；
Fig. 3 is the tree-shaped wiring diagram of the electronics price tag system of the embodiment of the present invention；
Fig. 4 is the star-like wiring diagram of the electronics price tag system of the embodiment of the present invention；
Fig. 5 is the power supply input circuit of main website of embodiment of the present invention control module；
Fig. 6 is the signal conversion circuit of main website of embodiment of the present invention control module；
Fig. 7 is that the PB620 main website of main website of embodiment of the present invention control module controls chip circuit；
Fig. 8 is that the input power of main website of embodiment of the present invention control module turns the first CPU module power supply circuit；
Fig. 9 is the first CPU module circuit of main website of embodiment of the present invention control module；
Figure 10 is the power supply input circuit of slave station of embodiment of the present invention transceiver module；
Figure 11 is nonpolarity conversion and the signal conversion circuit of slave station of embodiment of the present invention transceiver module；
Figure 12 is the PB331 slave station communication chip of slave station of embodiment of the present invention transceiver module；
Figure 13 is that the input power of slave station of embodiment of the present invention transceiver module turns the second CPU module power supply circuit；
Figure 14 is the second CPU module circuit of slave station of embodiment of the present invention transceiver module；
Figure 15 is that the PLU of slave station of embodiment of the present invention transceiver module identifies key circuit；
Figure 16 is the display driver circuit of slave station of embodiment of the present invention transceiver module；
Figure 17 is the display circuit of slave station of embodiment of the present invention transceiver module.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referring to FIG. 1 to FIG. 4, a kind of electronics price tag system based on POWERBUS bus of the present invention, including upper meter
Calculation machine 10, at least one the electronics price tag host 20 being connect with host computer 10 and electronics price tag slave 30；Each electrovalence
Label host 20 by two nonpolarity POWERBUS buses be connected with multiple electronics price tag slaves 30 with provide DC power supply and
Carry out real-Time Signal Transfer.The POWERBUS bus is service cable, and POWERBUS bus terminals mode is flexible, is adapted to existing
Various wire rods and the mode of connection, any bus-type, tree-shaped or any ways such as star-like can be supported to be laid with, greatly conveniently applied
Work wiring.
Among the present embodiment, the electronics price tag host 20 include: low-voltage dc power supply 201, main website control module 202,
First CPU module 203 and communication module；The low-voltage dc power supply 201 be connected with the main website control module 202 for
Electricity；The main website control module 202 is connected with modulation control signal and powers with described two nonpolarity POWERBUS buses；
The main website control module 202 is connected with first CPU module 203 to carry out signal transmission；First CPU module 203
It is connected by the communication module with the host computer.
The low-voltage dc power supply 201 includes low-voltage direct Switching Power Supply or low-voltage direct linear power supply.
The main website control module 202 includes that PB620 main website controls chip.
The communication module includes but is not limited to WIFI wireless module 204, ethernet module 205, in serial port module 206
It is one or more.
Specifically, the output of the low-voltage dc power supply 201 terminates J5 input terminal, J5 output referring to shown in Fig. 5 to Fig. 9
End exports DC voltage V+ by fuse；The DC voltage V+ through metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4, triode Q6, triode Q7,
Output is to the end BH and the end BL after the circuit of resistance R27 and R28 composition, and output to PB620 main website controls chip after being further processed
Bus marco pin CONH and CONM.The DC voltage V+ exports DC voltage L+ to J3 after the processing of circuit of Fig. 3.Institute
State the U1 chip that DC voltage V+ exports 3.3V direct voltage output to first CPU module 203 after the processing of circuit of Fig. 8
The end VCC to power.The end P3.4 of the U1 chip is connected with the serial data transmitting terminal TX of the PB620, the U1 core
The end P3.3 of piece is connected with the serial data transmitting terminal RX of the PB620 to carry out data interaction.The TXD0 of the U1 chip
End and the end RXD0 be connected respectively with WIFI wireless module 204, ethernet module 205, serial port module 206 etc. with it is described upper
Computer 10 carries out data interaction.Price, title, PLU code and the mark of commodity are such as issued or changed by host computer 10
Code etc..
It should be noted that when it is implemented, the low-voltage dc power supply 201 is connected with the main website control module 202
Positive-negative polarity can be distinguished or not distinguish positive-negative polarity by connecing.Circuit shown in Fig. 2 is to handle without passing through polarity, therefore connect
When need to distinguish positive-negative polarity.Such as in connection, positive-negative polarity is not needed to distinguish, it is only necessary to increase between J5 output end and fuse
Add MB6S rectifier circuit as shown in figure 11 to carry out dipole inversion.Turn it is of course also possible to use other methods carry out polarity
It changes, the embodiment of the present invention is not particularly limited.
The electronics price tag slave 30 includes: other two nothings being connected with described two nonpolarity POWERBUS buses
Polarity POWERBUS bus, slave station transceiver module 301, the second CPU module 302 and LED/LCD display module 303；The slave station
Transceiver module 301 is connected to carry out dipole inversion to input power and connect and modulate control with other two nonpolarity POWERBUS buses
Signal processed；The slave station transceiver module 301 is connected with second CPU module 302 to carry out signal transmission；The LED/LCD
Display module 303 is connected with second CPU module 302 with display of commodity price；Described other two nonpolarity
POWERBUS bus is service cable.
The electronics price tag slave 30 further includes PLU identification key 304；The PLU identification key 304 is to press without self-locking touch
Key；The PLU identification key 304 is connected to control the LED/LCD display module 303 and show with second CPU module 302
Commodity PLU code.
The electronics price tag slave 30 further includes power switch 305；The power switch 305 is band self-lock switch；It is described
Power switch 305 is arranged between other two nonpolarity POWERBUS buses and slave station transceiver module 301 (not in attached drawing
Middle display), when pressing power switch 305, the electronics price tag slave 30 is powered on；When pressing power switch 305 again,
The electronics price tag slave 30 is powered on power-off, to realize the control to Single Electron price tag slave 30, makes multiple electronics
It is mutually unaffected between price tag slave 30.
The LED/LCD display module 303 includes two；The two LED/LCD display module 303 mutual make-up compositions
One two-sided electronics price tag slave 30 is to show two kinds of different commodity prices and/or commodity PLU code.
The slave station transceiver module 301 includes PB331 slave station communication chip.
Specifically, shown in Figure 10, the DC voltage of J3 output end is exported through socket CN1 to the end L1 and the end L2 in Fig. 6,
I.e. main website control module 202 is that the electronics price tag slave 30 provides power supply.It is shown in Figure 11, the end L1 and the end L2 respectively with
Two input terminals of MB6S rectifier circuit are connected, and export after MB6S carries out dipole inversion to PB331 slave station shown in Figure 12
The POWERBUS signal output end PO and signal input part PI of communication chip.The serial transmission of the PB331 slave station communication chip
End TX is connected to the end TXD1 of the U6 chip of the second CPU module of Figure 14 302, the serial received of the PB331 slave station communication chip
End RX is connected to the end RXD1 of the U6 chip of the second CPU module of Figure 14 302.It is shown in Figure 13, the output direct current of circuit in Fig. 8
Voltage VIN-40V exported after decompression is handled 5V voltage to the second CPU module 302 U6 chip vdd terminal to provide power supply.
Driving and the display circuit of the LED/LCD display module 303 are shown referring to Figure 16 and Figure 17.Both pass through
Combination, it can be achieved that the control shown to commodity price.
Further, if necessary to the PLU code of display of commodity, it can identify that 304 key circuit of key carries out by the PLU of Figure 15
Operation, KEY_SET therein are connected with the P4.1 and P4.0 of the U6 chip of second CPU module 302, know when pressing PLU
When other key 304, the U6 chip of the second CPU module 302 is through slave station transceiver module 301, main website control module 202, the first CPU module
203 and communication module solicited message is sent to host computer 10, host computer 10 is according to the LED/LCD display module
The unique identification differentiation of 303 corresponding goods shows the commodity PLU identifier respectively represented to be shown respectively, and realization passes through
The LED/LCD display module 303 that one PLU identification key 304 controls two sides shows corresponding commodity PLU code.When pressing PLU again
When identifying key 304, control commodity PLU code is not shown.Certainly, the present invention can also carry out other displays for needing content, specifically
Can be controlled by host computer 10, the embodiment of the present invention is not particularly limited.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all to utilize this
Design makes a non-material change to the present invention, and should all belong to behavior that violates the scope of protection of the present invention.
Claims (10)
1. a kind of electronics price tag system based on POWERBUS bus, connect including host computer, with host computer to
A few electronics price tag host and electronics price tag slave；It is characterized in that, each electronics price tag host is nonpolarity by two
POWERBUS bus is connected to provide DC power supply and carry out real-Time Signal Transfer with multiple electronics price tag slaves；It is described
POWERBUS bus is service cable.
2. the electronics price tag system according to claim 1 based on POWERBUS bus, which is characterized in that the electrovalence
Signing host includes: low-voltage dc power supply, main website control module, the first CPU module and communication module；The low-voltage dc power supply with
The main website control module is connected to power；The main website control module is connected with described two nonpolarity POWERBUS buses
It connects with modulation control signal and powers；The main website control module is connected with first CPU module to carry out signal transmission；Institute
It states the first CPU module and is connected by the communication module with the host computer.
3. the electronics price tag system according to claim 2 based on POWERBUS bus, which is characterized in that the low-pressure direct
Galvanic electricity source includes low-voltage direct Switching Power Supply or low-voltage direct linear power supply.
4. the electronics price tag system according to claim 2 based on POWERBUS bus, which is characterized in that the main website control
Molding block includes PB620 main website control chip.
5. the electronics price tag system according to claim 2 based on POWERBUS bus, which is characterized in that the communication mould
Block includes one or more of WIFI wireless module, ethernet module, serial port module.
6. the electronics price tag system according to claim 1 based on POWERBUS bus, which is characterized in that the electrovalence
Label slave include: other two nonpolarity POWERBUS buses being connected with described two nonpolarity POWERBUS buses, from
It stands transceiver module, the second CPU module and LED/LCD display module；The slave station transceiver module and other two it is nonpolarity
POWERBUS bus is connected to carry out dipole inversion to input power and connect and modulation control signal；The slave station transceiver module and institute
The second CPU module is stated to be connected to carry out signal transmission；The LED/LCD display module be connected with second CPU module with
Display of commodity price；Other two nonpolarity POWERBUS buses are service cable.
7. the electronics price tag system according to claim 6 based on POWERBUS bus, which is characterized in that the electrovalence
Label slave further includes PLU identification key；The PLU identification key is without self-locking touch key；The PLU identification key and described second
CPU module is connected to control the LED/LCD display module display of commodity PLU code.
8. the electronics price tag system according to claim 6 based on POWERBUS bus, which is characterized in that the electrovalence
Signing slave further includes power switch；The power switch is band self-lock switch；The power switch is arranged at described other two
Between nonpolarity POWERBUS bus and slave station transceiver module.
9. the electronics price tag system according to claim 6 or 7 based on POWERBUS bus, which is characterized in that described
LED/LCD display module includes two；Two mutual make-ups of LED/LCD display module form a two-sided electronics price tag
Slave is to show two kinds of different commodity prices and/or commodity PLU code.
10. the electronics price tag system according to claim 6 based on POWERBUS bus, which is characterized in that the slave station
Transceiver module includes PB331 slave station communication chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124533.5A CN109683835A (en) | 2018-09-26 | 2018-09-26 | A kind of electronics price tag system based on POWERBUS bus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811124533.5A CN109683835A (en) | 2018-09-26 | 2018-09-26 | A kind of electronics price tag system based on POWERBUS bus |
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| CN109683835A true CN109683835A (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120354A1 (en) * | 2022-12-06 | 2024-06-13 | 盒马(中国)有限公司 | Electronic price tag display control circuit, and content display method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5404149A (en) * | 1990-11-07 | 1995-04-04 | Rasec Communication (Societe Anonyme) | Electronic data display device |
| JP2008073081A (en) * | 2006-09-19 | 2008-04-03 | Seiko Epson Corp | Electronic price tag system and electronic price tag device |
| JP2008217738A (en) * | 2007-03-08 | 2008-09-18 | Seiko Epson Corp | Electronic price tag system and electronic price tag device |
| CN201854441U (en) * | 2010-08-13 | 2011-06-01 | 江苏大学 | Wireless electronic display label system based on ZigBee technology |
| CN204143495U (en) * | 2014-09-15 | 2015-02-04 | 渭南师范学院 | Based on the electronics price tag system of 433MHz radio communication |
| CN104616629A (en) * | 2015-01-21 | 2015-05-13 | 苏州市职业大学 | Power carrier-based electronic price tag |
| CN205983657U (en) * | 2016-08-31 | 2017-02-22 | 青岛易触数码科技有限公司 | Automatic vending machine electronic price tag and control system thereof |
| CN207165132U (en) * | 2017-06-22 | 2018-03-30 | 广州奥翼电子科技股份有限公司 | Electronic bin tag system |
| CN208796226U (en) * | 2018-09-26 | 2019-04-26 | 厦门贝尔斯特科技有限公司 | A kind of electronics price tag system based on POWERBUS bus |
-
2018
- 2018-09-26 CN CN201811124533.5A patent/CN109683835A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5404149A (en) * | 1990-11-07 | 1995-04-04 | Rasec Communication (Societe Anonyme) | Electronic data display device |
| JP2008073081A (en) * | 2006-09-19 | 2008-04-03 | Seiko Epson Corp | Electronic price tag system and electronic price tag device |
| JP2008217738A (en) * | 2007-03-08 | 2008-09-18 | Seiko Epson Corp | Electronic price tag system and electronic price tag device |
| CN201854441U (en) * | 2010-08-13 | 2011-06-01 | 江苏大学 | Wireless electronic display label system based on ZigBee technology |
| CN204143495U (en) * | 2014-09-15 | 2015-02-04 | 渭南师范学院 | Based on the electronics price tag system of 433MHz radio communication |
| CN104616629A (en) * | 2015-01-21 | 2015-05-13 | 苏州市职业大学 | Power carrier-based electronic price tag |
| CN205983657U (en) * | 2016-08-31 | 2017-02-22 | 青岛易触数码科技有限公司 | Automatic vending machine electronic price tag and control system thereof |
| CN207165132U (en) * | 2017-06-22 | 2018-03-30 | 广州奥翼电子科技股份有限公司 | Electronic bin tag system |
| CN208796226U (en) * | 2018-09-26 | 2019-04-26 | 厦门贝尔斯特科技有限公司 | A kind of electronics price tag system based on POWERBUS bus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120354A1 (en) * | 2022-12-06 | 2024-06-13 | 盒马(中国)有限公司 | Electronic price tag display control circuit, and content display method |
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Application publication date: 20190426 |