CN101329853A - Portable machine for burning spreading display identification data - Google Patents
Portable machine for burning spreading display identification data Download PDFInfo
- Publication number
- CN101329853A CN101329853A CNA2007101067668A CN200710106766A CN101329853A CN 101329853 A CN101329853 A CN 101329853A CN A2007101067668 A CNA2007101067668 A CN A2007101067668A CN 200710106766 A CN200710106766 A CN 200710106766A CN 101329853 A CN101329853 A CN 101329853A
- Authority
- CN
- China
- Prior art keywords
- edid
- portable
- recorder according
- display
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a portable extended display identification data recording machine which can carry out extended display identification data (EDID) recording operation through an input device without being connected with a computer. The recording machine comprises at least one video connection interface applied to being connected with a display to be recorded, a memory unit applied to storing EDID and system data, an input device interface applied to being connected with the input device and a micro controller applied to being electrically connected with at least one of the video connection interfaces, the memory unit and the input device interface. Therefore, the recording device can be separated from a computer structure and directly record the EDID, thereby being capable of operating independently and recording more than one connection interface once but also being capable of saving cost and time.
Description
Technical field
The present invention relates to a kind of device of imprinting extending display identification data, refer to a kind of machine for burning spreading display identification data that does not use a computer imprinting extending display identification data that is applicable to especially.
Background technology
Along with popularizing of computing machine science and technology, the function of plug and play (plug and play) becomes the indispensable function that computer peripheral equipment is equipped with.Aspect display, video signal frequency electronic standard association (VESA) is responsible for promoting and developing great display and display interface device standard, to guarantee its intercommunity.Extending display identification data (Extended Display Information Data is hereinafter to be referred as EDID) are the standard data formats that video signal frequency electronic standard association (VESA) is worked out for display.EDID comprises the master data of a display, for example: dealer's information, largest image size, color character, frequency of utilization restriction etc.This EDID is stored in the display, in order to link up with a main frame, to reach the function of plug and play (plug andplay).
In the prior art, it is its operating type that manufacturing plant has with personal computer (PC) framework, promptly is that VGA interface or the DVI interface via display writes EDID in the non-internal memory of erasing of display.
Figure 1A and Figure 1B are traditional E DID imprinting operation and schematic representation of apparatus.From Figure 1A and Figure 1B, can find, these two all is that computer installation 193 connects display 191 with transmission line 194, and see through 192 pairs of displays of scanner 191 and carry out EDID imprinting operation, its difference is among Figure 1A, computer installation 193 is with the display card of the tool VGA interface VGA interface 1911 to display 191, carries out the imprinting action; But in the imprinting mode of this connection, computer installation 193 display cards must have VBE function (VESA BIOS Extensions Function), otherwise tend to produce compatible unsupported situation.
In addition, difference in Figure 1B, be to have installed a kind of interface switching device 195 that sees through additional, wherein on the one hand in order to overcome the problem of above-mentioned VBE compatibility, be more can be further the DVI interface 1912 of display to be carried out imprinting on the other hand, so that the VGA interface of computing machine adapts to the distinct interface of display 191 through conversion.
In another traditional imprinting operation and device (as shown in Figure 2), computer installation 293 comprises a printer port 2931 or other port such as RS232, USB etc.; Traditional imprinting mode be through this printer port 2931 or other port by interface switching device 295 and after the DVI interface 2911 of display 291 is connected, EDID is write in the display 291; What must be illustrated is, must install an interface switching device 295 earlier additional on the transmission line 294 that described printer port 2931 and DVI interface are 2911, just can carry out imprinting by 292 pairs of displays of scanner 291.
Yet there are a lot of shortcomings in the EDID imprinting operating type of aforementioned conventional, and for example: (1) is video connecting interface of an imprinting once; (2) during the imprinting operation, need to use PC and need add video signal source; (3) display card of PC must be that the special display card of supporting VBE Function is arranged, otherwise must add interface switching device again with printer port or other port; (4) the imprinting operation is carried out in the fixed location; (5) need to use screen watch operating result, cause the inconvenience of operator on judging because of the visual angle problem easily.
In view of this, the inventor is in line with the spirit of actively creating, and several times experiment works out a kind of portable machine for burning spreading display identification data that can address the above problem finally.
Summary of the invention
For addressing the above problem, the present invention aims to provide a kind of portable machine for burning spreading display identification data, can exempt from condition that outer computer is connected under, see through input media connection and carry out imprinting extending display identification data (EDID) operation, this Portable EDID recorder comprises: at least one video connecting interface is used to connect display to be carved into; One mnemon is used to store an EDID and a system data; One input media interface is used to connect this input media; And a microcontroller, be used for at least one video connecting interface, mnemon, and the input media interface electrically connect.
According to above-mentioned, by the product bar code on the input media input display to be carved into,, by microcontroller product data are incorporated into again to obtain product data, from the memory unit obtain EDID, and via the imprinting of at least one video connecting interface to display to be carved into.Therefore, this Portable EDID recorder provided by the invention, but the divorced from computer framework need not add the direct imprinting EDID of video signal source, get final product not above connecting interface of a fixed location ground imprinting of separate operaton, can either save cost and time, the display card that can solve PC again must be the problem that the special display card of supporting VBE Function is arranged, and avoids causing the inconvenience of operating personnel on judging because of the visual angle problem.
As mentioned above, the input media of Portable EDID recorder provided by the invention can be a key board unit, a bar code-type input media or a less radio-frequency automatic identification equipment (RadioFrequency Identification; RFID) etc., it has not been defined as Line Input Devices or radio input device.Wherein, the bar code-type input media can be barcode scanner.
As mentioned above, Portable EDID recorder provided by the invention, further comprise an extended interface, be used for electrically connecting with microcontroller, can cooperate the multitask device to be connected to recorder, and then download high frequency range digital content protection data (High-bandwidth Digital Content Protection; HDCP), eight data of an imprinting at most simultaneously preferably wherein, in addition more.
As mentioned above, Portable EDID recorder provided by the invention further comprises a display unit, is connected with extended interface, is used for the product bar code on input media input display to be carved into, and after obtaining product data, shows product information.In addition, after the imprinting operation was finished, display unit also can show the imprinting status information, to learn product type, sequence number and to make day or data carving success or not from display unit at once.
As mentioned above, Portable EDID recorder provided by the invention further comprises loudspeaker, electrically connects with microcontroller, is used to notify the imprinting status information, and the sound that makes operating personnel can hear directly that loudspeaker send obtains the imprinting state.
As mentioned above, Portable EDID recorder provided by the invention further comprises a pilot lamp group, electrically connects with microcontroller, is used to notify the imprinting status information.Wherein, the pilot lamp group preferably comprises green, redness and yellow light-emitting diode, makes operator to see through the pilot lamp group and can obtain the imprinting status information equally in noisy working environment.
As mentioned above, Portable EDID recorder provided by the invention further comprises an outer computer connecting interface, electrically connects with microcontroller, be used for being connected with outer computer, and then data download is to upgrade the EDID in the mnemon; Perhaps, and then upload the enumeration data that is included in the mnemon in the system data, it includes count value, can be made enumeration data by microcontroller and upgrade.Wherein, the outer computer connecting interface preferably is RS-232, also can for other can be for the equivalent connecting interface etc. of input.
As mentioned above, Portable EDID recorder provided by the invention further comprises a power supply unit, and it can discharge with power supply to each assembly; This power supply unit can be charged by the input media supplying DC power source with power input unit, and wherein, it preferably is 9～12 volts of direct currents for described power input unit, for example generally uses DC-9～12V power transformer; In addition, power input unit also can make Portable EDID recorder see through it and draw needed electric power under power supply state.
Description of drawings
Figure 1A～1B is traditional imprinting EDID operation and schematic representation of apparatus;
Fig. 2 is another traditional imprinting EDID operation and schematic representation of apparatus;
Fig. 3 is the imprinting EDID operation and the schematic representation of apparatus of preferred embodiment of the present invention;
Fig. 4 is the product bar code synoptic diagram of preferred embodiment of the present invention.
[primary clustering symbol description]
Input media interface 3 mnemons 2
Input media 31 enumeration datas 21
Power input unit 32 identity codes 22
Microcontroller 4 check codes 23
Extended interface 5 EDID data 24
Display 201 display units 6 to be carved into
Product bar code 2011 loudspeaker 7
Make a day 2011A pilot lamp group 8
Product serial number 2011B outer computer connecting interface 9
Product type 2011C
Video connecting interface 11,12,13 outer computers 901
Portable EDID recorder 100 barcode scanners 311
Keyboard 312 less radio-frequency automatic identification equipments 313
Power supply unit 14 computer installations 193,293
Transmission line 194,294 displays 191,291
Scanner 192,292 VGA interfaces 1911
Interface switching device 195,295 DVI interfaces 1912,2911
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, make this invention technical field those of ordinary skill understand other advantage of the present invention and effect easily by the content that this instructions disclosed.
Fig. 3～4 are first embodiment of this case, by finding among Fig. 3 that Portable EDID recorder 100 provided by the invention is to see through input media interface 3 to be connected with an input media 31, carries out the imprinting operation and treat the display 201 that is carved into.Wherein, must have an independently product bar code 2011 on the display 201 to be carved into, this product bar code 2011 comprises makes day 2011A, product serial number 2011B and product type 201C, and it preferably as shown in Figure 4; After input media 31 scans it, just begin the imprinting operation.Among first embodiment, Portable EDID recorder 100 is to see through input media 31, and the display of any label is carried out the imprinting operation, precisely because product bar code must become Portable EDID recorder 100 analysable forms of the present invention through conversion.In addition, the present invention optionally provides the power supply unit 14 with the function of discharging and recharging in addition, so that each assembly is powered, shown in arrow among Fig. 3, but perhaps a power input unit 32 supplying DC power sources are set to this Portable EDID recorder 100 at input media 31.In the present embodiment, power input unit 32 is a transformer, and it can supply direct current 9～12 volts of supply voltages with after general alternating current is connected.This power input unit 32 also can supply display to be carved into 201 electric power, EDID data 24 can be sent in this display to be carved into 201 and can make display to be carved into 201 need not connect electricity or start shooting.
Portable EDID recorder 100 of the present invention mainly comprises three video connecting interfaces 11,12,13, one mnemon 2, an input media interface 3, a microcontroller 4, an extended interface 5, a display unit 6, loudspeaker 7, a pilot lamp group 8, an and outer computer connecting interface 9.Above-mentioned each assembly describe in detail as after.
Video connecting interface 11,12,13 sees through general transmission line and is connected to display 201 corresponding video interfaces.In the present embodiment, video connecting interface 11,12,13 preferably refer to VGA video connecting interface, DVI video connecting interface, HDMI video connecting interface or UDI video connecting interface in any three.
Mnemon 2 stores EDID data 24 and a system data.Wherein, system data can further comprise enumeration data 21, identity code 22, check code 23, systematic parameter, model data ... etc., and enumeration data 21 is to include count value, can do statistics to use; Identity code 22 is the unique ID sign indicating numbers of Portable EDID recorder, does login and downloads EDID data 24 identification usefulness; Check code 23 can be used as the fool proof function, carves to prevent machine model mistake.Among first embodiment, but mnemon 2 also can be flash memory (FlashROM) etc. preferably for the electronics formula program read-only memory (EEPROM) of erasing.
Input media interface 3 is in order to connect input media 31.In the present embodiment, all are set with operation and all carry out with input media 31 input bar codes.Import bar code in addition and include the check code 23 that product type 2011C is used as fool proof sign indicating number and mnemon 2 and check, this is the mechanism of fool proof function, carves in order to prevent machine model EDID mistake.
Extended interface 5 electrically connects with microcontroller 4, can cooperate the multitask device to be connected to recorder, and then downloads the HDCP data to Portable EDID recorder, eight data of an imprinting, in addition more.
Display unit 6 is connected with extended interface 5, be used on the input media 31 input display 201 to be carved into product bar code 2011 and after obtaining these product data, show product information, for example: product type, sequence number and make day.In addition, after the imprinting operation was finished, display unit 6 also can be used as the usefulness that shows the imprinting status information, for example: the information that shows the imprinting success or not.
Loudspeaker 7 electrically connect with microcontroller 4, in order to notice imprinting status information.
Pilot lamp group 8 electrically connects with microcontroller 4, in order to notice imprinting status information.In the present embodiment, pilot lamp group 8 includes green, redness and yellow light-emitting diode (LED).For example, the imprinting success promptly can see through green LED and send green glow, otherwise, see through red light emitting diodes and send ruddiness, the strong and weak situation of yellow light-emitting diode indication power supply.
Outer computer connecting interface 9 electrically connects with microcontroller 4, in order to when needs upgrade EDID data 24, be connected and data download with outer computer 901, to upgrade the EDID data 24 in the mnemon 2, be noted that, when finish upgrade EDID data 24 after, promptly need not to connect any computer installation and can carry out imprinting.In the present embodiment, outer computer connecting interface 9 is RS-232, when utilizing RS-232 to upgrade EDID data 24 in the EEPROM, the user needs to login to system database in advance, the unique ID identification code of the registrant of storage is arranged in system database, after obtaining mandate, could download EDID, and then upgrade the EDID data 24 in the EEPROM.In addition, outer computer connecting interface 9 also can be downloaded the enumeration data 21 in the mnemon 2 with after outer computer 901 is connected, and does statistics usefulness, so that collect cost of use to the user in the future.
But present embodiment is the Portable EDID recorder 100 of separate operaton, can break away from the direct imprinting EDID of PC, its be see through earlier input media 31 input control strip font codes finish in this Portable EDID recorder 100 all set with operation after, carrying out under the imprinting function again, obtain product data by the product bar code 2011 on the input media 31 inputs display 201 to be carved into, by microcontroller 4 product data are incorporated into again, obtain EDID data 24 from memory unit 2, simultaneously via three video connecting interfaces 11,12,13 are stored to display to be carved into 201, upgrade enumeration data 21 in the mnemon 2 by microcontroller 4 more at last, that is to say that EDID of imprinting adds up once record immediately in the mnemon 2.
Therefore, this Portable EDID recorder provided by the invention, but the divorced from computer framework need not add the direct imprinting EDID of video signal source, can break away from not above connecting interface of a fixed location ground imprinting of separate operaton of AC power supplies, can save cost and time, the display card that can solve PC again must be the problem that the special display card of supporting VBE Function is arranged, and avoids causing the inconvenience of operator on judging because of the visual angle problem.
Refer again to Fig. 3, it discloses second embodiment of the invention once more.By finding among Fig. 3 that the composition assembly of the Portable EDID recorder 100 among this second embodiment is roughly the same, it is not both at power pack.Portable EDID recorder 100 can be given display 201 to be carved into by power supply unit 14 supply electricity in the present embodiment, by three video connecting interfaces 11,12,13, be connected with the link of this display to be carved into 201, use the electric power of supply display 201 to be carved into.
Hence one can see that, and power supply of the present invention source has the design of polymorphic sample, so no matter had or not grafting AC power 2012 by the display of imprinting or TV, can carry out the imprinting operation.
Please again with reference to figure 3, it discloses third embodiment of the invention once more.By finding among Fig. 3, the composition assembly of the Portable EDID recorder 100 among this 3rd embodiment is roughly the same, its difference is that input media 31 can preferably be also can or be less radio-frequency automatic identification equipment 313 etc. for keyboard 312 by barcode scanner 311.Therefore, the present invention has the input mode of polymorphic sample on input media 31, so no matter Line Input Devices or radio input device are arranged, can carry out the bar code input.
Above-described specific embodiment further describes purpose of the present invention, technical scheme and beneficial effect, and the foregoing description that it should be understood that only is to give an example for convenience of description, is not limited to the present invention.The interest field that the present invention advocated be from should being as the criterion so that claim is described, have the knack of generally this skill the personage did any be equal to modify or change all should be included within protection scope of the present invention, but not only limit to the foregoing description.
Claims (27)
1, a kind of portable machine for burning spreading display identification data, exempt from condition that outer computer is connected under, connect by an input media and to carry out the imprinting operation of imprinting extending display identification data EDID, this device comprises:
At least one video connecting interface is used to connect display to be carved into;
One mnemon is used to store an EDID and a system data;
One input media interface is used to connect described input media; And
One microcontroller is used for this at least one video connecting interface, this mnemon, reaches this input media interface electric connection;
Wherein, import product bar code on this display to be carved into by this input media, to obtain product data, by this microcontroller these product data are incorporated into again, this mnemon obtains this EDID and is sent to this display to be carved into certainly.
2, Portable EDID recorder according to claim 1 is characterized in that this recorder further comprises an extended interface, is used for electrically connecting with this microcontroller.
3, Portable EDID recorder according to claim 2 is characterized in that, this extended interface comes data download by cooperating a multitask device.
4, Portable EDID recorder according to claim 2, it is characterized in that this recorder further comprises a display unit, be used for being connected with this extended interface, import product bar code on this display to be carved into after obtaining these product data at this input media, show product information.
5, Portable EDID recorder according to claim 4 is characterized in that, after the imprinting operation was finished, this display unit showed the imprinting status information.
6, Portable EDID recorder according to claim 1 is characterized in that, described product information is product type, product serial number and makes day.
7, Portable EDID recorder according to claim 1 is characterized in that this recorder further comprises loudspeaker, electrically connects with this microcontroller, is used to notify the imprinting status information.
8, Portable EDID recorder according to claim 1 is characterized in that, this recorder further comprises a pilot lamp group, electrically connects with this microcontroller, is used to notify the imprinting status information.
9, Portable EDID recorder according to claim 8 is characterized in that, described pilot lamp group comprises green, redness and yellow light-emitting diode.
10, Portable EDID recorder according to claim 1 is characterized in that, described mnemon further stores an enumeration data, is used to provide microcontroller to upgrade as the enumeration data of mnemon.
11, Portable EDID recorder according to claim 10 is characterized in that described enumeration data is included in this system data.
12, Portable EDID recorder according to claim 10, it is characterized in that, this recorder further comprises an outer computer connecting interface, electrically connect with this microcontroller, this outer computer connecting interface is used for being connected with outer computer, and then data download is to upgrade the EDID in this mnemon.
13, Portable EDID recorder according to claim 12 is characterized in that, described outer computer connecting interface is used for being connected with outer computer, and then uploads the enumeration data in this mnemon.
14, Portable EDID recorder according to claim 1 is characterized in that, described mnemon further stores a check code, and this check code is used for fool proof.
15, Portable EDID recorder according to claim 1 is characterized in that, described mnemon further stores an ID identification code, and this identification code is the unique identity code of EDID recorder, obtains the authorization with login mode and downloads EDID.
16, Portable EDID recorder according to claim 1 is characterized in that this recorder further comprises a power supply unit, possesses the function of discharging and recharging, and is used for each unit power supply.
17, Portable EDID recorder according to claim 16 is characterized in that described input media further comprises a power input unit, is used for power supply unit is charged.
18, Portable EDID recorder according to claim 1 is characterized in that described input media further comprises a power input unit, is used for each unit power supply.
19, Portable EDID recorder according to claim 18 is characterized in that, described power input unit power supply is a direct supply.
20, Portable EDID recorder according to claim 18, it is characterized in that, described power input unit is further used for supplying display electric power to be carved into, and makes display to be carved into need not connect electricity or start shooting and just EDID can be sent in this display to be carved into.
21, Portable EDID recorder according to claim 1 is characterized in that, described at least one video connecting interface comprises VGA video connecting interface, DVI video connecting interface, HDMI video connecting interface and UDI video connecting interface.
22, Portable EDID recorder according to claim 1 is characterized in that, but described mnemon the is electronics formula program read-only memory of erasing.
23, Portable EDID recorder according to claim 1 is characterized in that, described input media is a barcode scanner.
24, Portable EDID recorder according to claim 1 is characterized in that, described input media is a keyboard.
25, Portable EDID recorder according to claim 1 is characterized in that, described input media is a radio input device.
26, Portable EDID recorder according to claim 25 is characterized in that, described radio input device is the less radio-frequency automatic identification equipment.
27, Portable EDID recorder according to claim 25 is characterized in that, described radio input device is a Wireless Keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101067668A CN101329853B (en) | 2007-06-20 | 2007-06-20 | Portable recorder for EDID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101067668A CN101329853B (en) | 2007-06-20 | 2007-06-20 | Portable recorder for EDID |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101329853A true CN101329853A (en) | 2008-12-24 |
| CN101329853B CN101329853B (en) | 2010-07-14 |
Family
ID=40205631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101067668A Expired - Fee Related CN101329853B (en) | 2007-06-20 | 2007-06-20 | Portable recorder for EDID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101329853B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598325A (en) * | 2015-02-10 | 2015-05-06 | 武汉精测电子技术股份有限公司 | Method for burning and verifying EDID (Extended Display Identification Data) of display module |
| CN104615556A (en) * | 2015-02-10 | 2015-05-13 | 昆山龙腾光电有限公司 | EDID burning device and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI224731B (en) * | 2001-12-26 | 2004-12-01 | Toshiba Corp | Method and device for manufacturing display device |
| CN1595353A (en) * | 2003-09-09 | 2005-03-16 | 研扬科技股份有限公司 | Method for changing extended display identification data (EDID) in memory by using software program |
| US7911475B2 (en) * | 2004-10-18 | 2011-03-22 | Genesis Microchip Inc. | Virtual extended display information data (EDID) in a flat panel controller |
| CN1763705A (en) * | 2004-10-19 | 2006-04-26 | 南京Lg同创彩色显示***有限责任公司 | EDID data format switching device for image display |
| CN100397473C (en) * | 2005-06-23 | 2008-06-25 | 中强光电股份有限公司 | Extended display identification data content table writing-in method |
-
2007
- 2007-06-20 CN CN2007101067668A patent/CN101329853B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598325A (en) * | 2015-02-10 | 2015-05-06 | 武汉精测电子技术股份有限公司 | Method for burning and verifying EDID (Extended Display Identification Data) of display module |
| CN104615556A (en) * | 2015-02-10 | 2015-05-13 | 昆山龙腾光电有限公司 | EDID burning device and method |
| CN104598325B (en) * | 2015-02-10 | 2018-05-08 | 武汉精测电子集团股份有限公司 | The EDID data recording methods of calibration of display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101329853B (en) | 2010-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100661364B1 (en) | Computer system and display apparatus | |
| CN104571991A (en) | Control panel, illumination equipment and illumination method | |
| US20080307200A1 (en) | Method of burning in extended display identification data without using a computer | |
| CN101034540B (en) | Display device and driving method thereof | |
| CN106157836A (en) | There is the detachable front end of electronic ink display | |
| CN101329853B (en) | Portable recorder for EDID | |
| US20080307199A1 (en) | Portable extended display identification data burning device | |
| EP1417557B1 (en) | Display device having stand-alone operational mode and input means which otherwise controls host computer | |
| CN202221567U (en) | Software upgrading device for stage lamp | |
| KR100545554B1 (en) | System and method for materializing several step typed led electric bulletin board controled infrared remote controler | |
| CN101127157A (en) | TV remote controller key voice prompt method | |
| CN102323886A (en) | Be used for writing the methods, devices and systems of customizing messages to the terminal | |
| CN202679502U (en) | Television | |
| CN209388273U (en) | A kind of programmable key control device | |
| CN103778963A (en) | Expanded display and identification data recording method and display device | |
| CN113903287B (en) | Display driving board | |
| CN201853464U (en) | Electronic tag display terminal | |
| CN101887507A (en) | Image and barcode reading and feedback device | |
| CN201255980Y (en) | Novel mobile electronic screen | |
| CN211016352U (en) | Electronic tag powered through power bank | |
| CN202394459U (en) | LED (light-emitting diode) electronic display system | |
| CN209928829U (en) | Electronic goods position label system | |
| US10276106B2 (en) | Power supply and display device | |
| JP2001345881A (en) | Electronic equipment, communication repeater and multi- functional display method | |
| KR20140105291A (en) | Traffic information led board system using mobile communications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20170620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |