CN202084069U - Passive electronic label - Google Patents
Passive electronic label Download PDFInfo
- Publication number
- CN202084069U CN202084069U CN 201120187981 CN201120187981U CN202084069U CN 202084069 U CN202084069 U CN 202084069U CN 201120187981 CN201120187981 CN 201120187981 CN 201120187981 U CN201120187981 U CN 201120187981U CN 202084069 U CN202084069 U CN 202084069U
- Authority
- CN
- China
- Prior art keywords
- hole
- base material
- passive electronic
- electronic label
- radiating surface
- 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.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
- G06K19/0726—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The utility model discloses a passive electronic label, which comprises a radiating panel, a second substrate, a grounding panel, a first substrate, a hole, a label chip, first through hole units, second through hole units, first binding through holes, second binding through holes, a first feeder and a second feeder; the second substrate is positioned on the lower side of the radiating panel; the grounding panel is positioned on the lower side of the second substrate; the first substrate is positioned between the radiating panel and the second substrate; the hole runs through the radiating panel and the first substrate; the label chip is positioned between the upper surface of the second substrate and the lower surface of the first substrate and in the hole; the first and the second through hole units are respectively positioned on both sides of the radiating panel, the first substrate, the second substrate and the grounding panel, and consist of a plurality of second through holes, which run through the first and the second substrates and are electrically connected with the radiating panel and the grounding panel; the first and the second binding through holes run through the label chip, the fist substrate and the radiating panel, but do not run through the grounding panel; and the first and the second feeders, which are respectively arranged on both sides of the label chip, bind the label chip, and are connected with the radiating panel through the first and the second binding through holes. The utility model enhances the chip data-protecting capability of the label, and moreover, the frequency shift caused by production errors can be corrected.
Description
Technical field
The utility model relates to a kind of passive electronic label.
Background technology
At present, electronic label technology is widely used in a lot of fields, such as the logistics management field, and medical industries, the tracking and managing monitoring of goods and dangerous material, aircraft industry, enforceable check product, certificate false proof, the non-parking charge of road and bridge, aspects such as electronic entrance ticket.According to the different structure of electronic tag electric power system, electronic tag mainly is divided into active label, semi-active label and passive label.Active label and semi-active label have external battery, provide energy by external battery for the work of label chip.Passive label relies on the radiofrequency signal of reader to provide energy to make its work, and passive label has the advantage of the low and large-scale production of cost.
The defective that has following structural design in the existing passive electronic label:
One: in the prior art, chip generally is directly exposed to substrate surface.Therefore, electronic tag is subjected to the influence of external environment (as moisture or high temperature etc.) easily, and electronic tag is worn in carrying or installation process easily.
Its two: in process of production, electronic tag usually can have certain frequency shift (FS), and is difficult to correct.
Summary of the invention
The purpose of this utility model provides a kind of passive electronic label that can solve at least a above-mentioned drawback.
In a scheme, passive electronic label comprises: radiating surface (1); Second base material (3) is positioned at the below of described radiating surface (1); Ground plane (11) is positioned at the below of described second base material (3); It is characterized in that described passive electronic label also comprises: first base material (2) is positioned between described radiating surface (1) and described second base material (3); Described radiating surface (1) and described first base material (2) are passed in perforate (13); Label chip (12) is positioned between the lower surface of the upper surface of described second base material (3) and described first base material (2), and is arranged in described perforate (13); The first through hole unit (4) and the second through hole unit (5), lay respectively at the both sides of described radiating surface (1), described first base material (2), described second base material (3) and described ground plane (11), be made of a plurality of second through holes, described a plurality of second through holes pass described first base material (2) and described second base material (3) is electrically connected described radiating surface (1) and described ground plane (11); First nation decides through hole (7) and second nation decides through hole (8), passes described label chip (12), described first base material (2) and described radiating surface (1) and do not pass described ground plane (11); First feeder line (9) and second feeder line (10) divide the both sides that are listed in described label chip (12), the fixed described label chip (12) of nation, and decide through hole (7) by described first nation and decide through hole (8) with described second nation and be connected described radiating surface (1).
In another scheme, passive electronic label is characterized in that comprising: tuning through hole (6), be positioned on the surface of described passive electronic label, and be used to regulate the frequency of described passive electronic label, described tuning through hole (6) is made of a plurality of first through holes.
The utility model has improved the protective capability of label to chip data, and corrects for the frequency shift (FS) that causes because of the production error.
Description of drawings
Fig. 1 is the decomposition diagram of passive electronic label 100;
Fig. 2 is the overall schematic of passive electronic label 100.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
In first embodiment, see figures.1.and.2, the disclosed a kind of passive electronic label of the utility model comprises radiating surface 1, first base material, 2, the second base materials 3, ground plane 11, label chip 12,4, the second through hole unit 5, round hole 13, the first through hole unit, first nation decides through hole 7, second nation decides through hole 8, the first feeder lines 9, the second feeder lines 10.
In addition, first base material 2 of passive electronic label is positioned at the below of radiating surface 1, second base material 3 is positioned at the below of first base material 2, ground plane 11 is positioned at the below of second base material 3, the radiating surface 1 and first base material 2 have this round hole 13, label chip 12 is arranged in this round hole 13, also promptly between the lower surface of the upper surface of second base material 3 and first base material 2.The first through hole unit 4 and the second through hole unit 5 lay respectively at the both sides of radiating surface 1, first base material 2, second base material 3 and ground plane 11, by several diameters for example second through hole of 0.2mm-1.5mm constitute, second through hole passes first base material 2 and second base material 3 is electrically connected radiating surface 1 and ground plane 4.First nation decides through hole 7 and second nation and decides through hole 8 and pass label chip 12, first base material 2 and radiating surface 1 respectively, thereby deciding through hole 7, first nation can connect first feeder line 9, second nation decides through hole 8 can connect second feeder line 10, but first nation decides through hole 7 and second nation and decides through hole 8 and be not connected to ground plane 11, and do hollow out and prevent to connect at ground plane 11 places.First nation decides through hole 7 and second nation and decides through hole 8 and also can pass second base material 3, and the main cause of so doing is, if do not pass second base material 2, and the processing technology more complicated, manufacturing price is higher, also can select not pass second base material 3 as the case may be certainly.First feeder line 9 and second feeder line 10 are positioned at the upper surface of second base material 3, divide and be listed in label chip 12 both sides, label chip 12 is bonded on first feeder line 9 and second feeder line 10, and first feeder line 9 and second feeder line 10 are decided through hole 7 by first nation and decided through hole 8 with the second tuning through hole nation and be connected radiating surface 1.
In addition, label chip 12 is preferably placed at round hole 13 central authorities, yet can slightly be offset.
In addition, though perforate in the present embodiment 13 is circular, yet it should be understood by one skilled in the art that perforate can be any other shape, for example square, rectangle or polygon need only it and can hold label chip 12.
Because the utility model is imbedded label chip in the middle of the perforate of base material; thereby can effectively protect label chip not to be subjected to the influence of external environment; and can very high tolerance be arranged to the routine wearing and tearing, improve the protective capability of electronic tag label chip data.
In a second embodiment, passive electronic label of the present utility model can comprise tuning through hole 6.Tuning through hole 6 is positioned on the surface of passive electronic label, is used to regulate the frequency of passive electronic label, and tuning through hole 6 is made of a plurality of first through holes.
Passive electronic label of the present utility model also comprises radiating surface 1; First base material 2 is positioned at the below of radiating surface 1; Second base material 3 is positioned at the below of first base material 2; Ground plane 11 is positioned at the below of second base material 3; Label chip 12 is between the lower surface of the upper surface of second base material 3 and first base material 2; Wherein, tuning through hole 6 is positioned on radiating surface 1, first base material 2, second base material 3 and the ground plane 11, by every limit for example first through hole of 7 diameter 0.2mm-1.5mm constitute, tuning through hole 6 passes first base material 2 and second base material 3 is electrically connected radiating surface 1 and ground plane 4.
Passive electronic label of the present utility model also can comprise 4, the second through hole unit 5, the first through hole unit,, first nation decides through hole 7, the second nations and decides through hole 8, the first feeder lines 9, the second feeder lines 10.The first through hole unit 4 and the second through hole unit 5 lay respectively at the both sides of radiating surface 1, first base material 2, second base material 3 and ground plane 11, by several diameters for example second through hole of 0.2mm constitute, second through hole passes first base material 2 and second base material 3 is electrically connected radiating surface 1 and ground plane 4.First nation decides through hole 7 and second nation and decides through hole 8 and pass label chip 12, first base material 2 and radiating surface 1 respectively, thereby deciding through hole 7, first nation can connect first feeder line 9, second nation decides through hole 8 can connect second feeder line 10, but first nation decides through hole 7 and second nation and decides through hole 8 and be not connected to ground plane 11, and do hollow out and prevent to connect at ground plane 11 places.First nation decides through hole 7 and second nation and decides through hole 8 and also can pass second base material 3, and the main cause of so doing is, if do not pass second base material 2, and the processing technology more complicated, manufacturing price is higher, also can select not pass second base material 3 as the case may be certainly.First feeder line 9 and second feeder line 10 are positioned at the upper surface of second base material 3, divide and be listed in label chip 12 both sides, label chip 12 is bonded on first feeder line 9 and second feeder line 10, and first feeder line 9 and second feeder line 10 are decided through hole 7 by first nation and decided through hole 8 with the second tuning through hole nation and be connected radiating surface 1.
In addition, tuning through hole 6 is preferably placed on vertical with the second through hole unit 5 on radiating surface 1, first base material 2, second base material 3 and the ground plane 11 and the both sides adjacent with the second through hole unit 5.Yet tuning through hole 6 also can be adjacent with the first through hole unit 4, also can be placed near the center line.And tuning through hole can also only be placed on one side or polygon going up (as the tuning through hole 6 on one side in the accompanying drawing 1 is removed, only keeping on one side).In addition, the distribution of tuning through hole 6 is preferably equidistant evenly distribution.In addition, first feeder line 9 and the polygon of second feeder line 10 for agreeing with, the distance of the two is preferably the lucky convenient pin widths that chip 12 is installed more than or equal to the pin widths of chip 12.
In addition, first base material, 2 thickness are greater than the thickness of label chip 12 and less than 3mm.
In addition, radiating surface 1, ground plane 11, the first through hole unit 4, the second through hole unit 5, tuning through hole 6, first nation decide the material that through hole 7, the second nations decide through hole 8, first feeder line 9, second feeder line 10 and are metal, for example are copper.In addition, first base material 2 and second base material 3 are that 2～150 dielectric material constitutes by specific inductive capacity.
Owing to adopt through hole to cooperate the design of tuning through hole, thereby can correct for the frequency shift (FS) that causes because of the production error.In the utility model, the tuning principle of tuning through hole is: use specific purpose tool, by destroying the metal level in the tuning through hole, make tuning through hole no longer can connect radiating surface and ground plane, it will make the label resonance frequency descend.An example of the order of debugging (preamble " destruction ") tuning through hole constantly increases debugging for from the tuning through hole away from the second through hole unit, the left and right sides tuning through hole symmetry synchronous debugging, and resonance frequency constantly descends.According to an embodiment of the present utility model, at the beginning of design, allow target frequency in the position that is in several tuning through holes of debugging the middle part, first through hole at the middle part of promptly described a plurality of first through holes.Because in actual production, can have the reason on the very big parameter, make that actual frequency and target frequency are inconsistent, thus just make in this way can so that label resonance in target frequency.
In addition, the present invention also comprises the technical scheme with first embodiment and the second embodiment combination.
The preferable aircraft industry that is applicable to of passive electronic label in the utility model, especially can adopt the SAE AS5678 standard that is used for the formulation of aviation parts strict to quality, therefore not only meet international standard, also realized adapting to various environmental baselines, adapted to performances such as metal surface and fire prevention.In addition, owing to can support the different frequency range of each national regulation, so all can use in countries in the world.
In the utility model; the progressive of label is, adopts perforate with in the middle of the chip buried base material, can effectively protect chip not to be subjected to the influence of external environment; and can very high tolerance be arranged to the routine wearing and tearing, improve the protective capability of label chip data.Furthermore, the utility model also adopts through hole to cooperate the design of tuning through hole, can correct for the frequency shift (FS) that causes because of the production error.With embodiment the utility model is illustrated above, but need to prove, above embodiment is only in order to the explanation the technical solution of the utility model, and is not to be restriction to the utility model protection domain.Although the utility model has been done detailed as far as possible explanation with reference to above preferred embodiment, but those skilled in the art is to be understood that, the technical solution of the utility model is made amendment or is equal to replacement, still belong to the essence and the scope of technical solutions of the utility model.As long as to any improvement or the modification that the utility model is done, all should belong to the utility model claim and advocate within the scope of protection.
Claims (19)
1. passive electronic label comprises:
Radiating surface (1);
Second base material (3) is positioned at the below of described radiating surface (1);
Ground plane (11) is positioned at the below of described second base material (3); It is characterized in that described passive electronic label also comprises:
First base material (2) is positioned between described radiating surface (1) and described second base material (3);
Described radiating surface (1) and described first base material (2) are passed in perforate (13);
Label chip (12) is positioned between the lower surface of the upper surface of described second base material (3) and described first base material (2), and is arranged in described perforate (13);
The first through hole unit (4) and the second through hole unit (5), lay respectively at the both sides of described radiating surface (1), described first base material (2), described second base material (3) and described ground plane (11), be made of a plurality of second through holes, described a plurality of second through holes pass described first base material (2) and described second base material (3) is electrically connected described radiating surface (1) and described ground plane (11);
First nation decides through hole (7) and second nation decides through hole (8), passes described label chip (12), described first base material (2) and described radiating surface (1) and do not pass described ground plane (11);
First feeder line (9) and second feeder line (10) divide the both sides that are listed in described label chip (12), the fixed described label chip (12) of nation, and decide through hole (7) by described first nation and decide through hole (8) with described second nation and be connected described radiating surface (1).
2. passive electronic label as claimed in claim 1 is characterized in that, also comprises:
Tuning through hole (6), be positioned on described radiating surface (1), described first base material (2), described second base material (3) and the described ground plane (11), be used to regulate the frequency of described passive electronic label, described tuning through hole (6) is made of a plurality of first through holes, and described a plurality of first through holes pass described first base material (2) and described second base material (3) is electrically connected described radiating surface (1) and described ground plane (11).
3. passive electronic label as claimed in claim 2, it is characterized in that described tuning through hole (6) is positioned on vertical with the described second through hole unit (5) and adjacent with the described second through hole unit (5) both sides on described radiating surface (1), described first base material (2), described second base material (3) and the described ground plane (11).
4. passive electronic label as claimed in claim 1 is characterized in that described perforate (13) is circle, square, rectangle or polygon.
5. passive electronic label as claimed in claim 2, the target frequency that it is characterized in that described passive electronic label are to be debugged by first through hole at the middle part of described a plurality of first through holes to obtain.
6. passive electronic label as claimed in claim 3, the diameter that it is characterized in that described second through hole is 0.2mm-1.5mm.
7. passive electronic label as claimed in claim 3 is characterized in that described first through hole 7 on every limit on described both sides, and diameter is 0.2mm-1.5mm.
8. passive electronic label as claimed in claim 3, it is characterized in that described first feeder line (9) and described second feeder line (10) polygon for agreeing with, the distance of described first feeder line (9) and described second feeder line (10) is more than or equal to the pin widths of described label chip (12).
9. passive electronic label as claimed in claim 1 is characterized in that described first base material (2) thickness is greater than the thickness of described label chip (12) and less than 3mm.
10. passive electronic label as claimed in claim 3, it is characterized in that described radiating surface (1), the first through hole unit (4), the second through hole unit (5), tuning through hole (6), first nation decide through hole (7), the material that second nation decides through hole (8), described first feeder line (9), described second feeder line (10), described ground plane (11) is copper, aluminium or silver.
11. passive electronic label as claimed in claim 1 is characterized in that described first base material (2) and described second base material (3) are that 2～150 dielectric material constitutes by specific inductive capacity.
12. a passive electronic label is characterized in that comprising:
Tuning through hole (6) is positioned on the surface of described passive electronic label, is used to regulate the frequency of described passive electronic label, and described tuning through hole (6) is made of a plurality of first through holes.
13. passive electronic label as claimed in claim 12 is characterized in that, also comprises:
Radiating surface (1);
First base material (2) is positioned at the below of described radiating surface (1);
Second base material (3) is positioned at the below of described first base material (2);
Ground plane (11) is positioned at the below of described second base material (3);
Label chip (12) is positioned between the lower surface of the upper surface of described second base material (3) and described first base material (2),
Wherein, described tuning through hole (6) is positioned on described radiating surface (1), described first base material (2), described second base material (3) and the described ground plane (11), and described a plurality of first through holes pass described first base material (2) and described second base material (3) is electrically connected described radiating surface (1) and described ground plane (11).
14. passive electronic label as claimed in claim 13 is characterized in that, also comprises:
The first through hole unit (4) and the second through hole unit (5), lay respectively at the both sides of described radiating surface (1), described first base material (2), described second base material (3) and described ground plane (11), be made of a plurality of second through holes, described a plurality of second through holes pass described first base material (2) and described second base material (3) is electrically connected described radiating surface (1) and described ground plane (11);
First nation decides through hole (7) and second nation decides through hole (8), passes described label chip (12), described first base material (2) and described radiating surface (1) and do not pass described ground plane (11);
First feeder line (9) and second feeder line (10) divide the both sides that are listed in described label chip (12), the fixed described label chip (12) of nation, and decide through hole (7) by described first nation and decide through hole (8) with described second nation and be connected described radiating surface (1),
Wherein, described tuning through hole (6) is positioned on vertical with the described second through hole unit (5) and adjacent with the described second through hole unit (5) both sides on described radiating surface (1), described first base material (2), described second base material (3) and the described ground plane (11).
15. passive electronic label as claimed in claim 12, the target frequency that it is characterized in that described passive electronic label are to be debugged by first through hole at the middle part of described a plurality of first through holes to obtain.
16. passive electronic label as claimed in claim 14, the diameter that it is characterized in that described second through hole is 0.2mm-1.5mm.
17. passive electronic label as claimed in claim 14 is characterized in that described first through hole 7 on every limit on described both sides, diameter is 0.2mm-1.5mm.
18. passive electronic label as claimed in claim 14, it is characterized in that described first feeder line (9) and described second feeder line (10) polygon for agreeing with, the distance of described first feeder line (9) and described second feeder line (10) is more than or equal to the pin widths of described label chip (12).
19. passive electronic label as claimed in claim 14, it is characterized in that described radiating surface (1), the first through hole unit (4), the second through hole unit (5), tuning through hole (6), first nation decide through hole (7), the material that second nation decides through hole (8), described first feeder line (9), described second feeder line (10), described ground plane (11) is copper, aluminium or silver.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120187981 CN202084069U (en) | 2011-06-03 | 2011-06-03 | Passive electronic label |
| PCT/CN2012/076389 WO2012163294A1 (en) | 2011-06-03 | 2012-06-01 | Passive electronic tag |
| PCT/CN2012/076392 WO2012163296A1 (en) | 2011-06-03 | 2012-06-01 | Passive electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120187981 CN202084069U (en) | 2011-06-03 | 2011-06-03 | Passive electronic label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084069U true CN202084069U (en) | 2011-12-21 |
Family
ID=45344692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120187981 Expired - Lifetime CN202084069U (en) | 2011-06-03 | 2011-06-03 | Passive electronic label |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202084069U (en) |
| WO (2) | WO2012163294A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012163296A1 (en) * | 2011-06-03 | 2012-12-06 | Liu Zhijia | Passive electronic tag |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100573807B1 (en) * | 2002-11-19 | 2006-04-25 | (주)파트론 | A dielectric filter, a duplexer dielectric filter and a method of manufacturing the same |
| CN201845353U (en) * | 2010-06-28 | 2011-05-25 | 上海铁勋智能识别系统有限公司 | Metal-resistant ultrahigh-frequency electronic tag consisting of stacked antenna |
| CN202084069U (en) * | 2011-06-03 | 2011-12-21 | 刘智佳 | Passive electronic label |
-
2011
- 2011-06-03 CN CN 201120187981 patent/CN202084069U/en not_active Expired - Lifetime
-
2012
- 2012-06-01 WO PCT/CN2012/076389 patent/WO2012163294A1/en active Application Filing
- 2012-06-01 WO PCT/CN2012/076392 patent/WO2012163296A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012163296A1 (en) * | 2011-06-03 | 2012-12-06 | Liu Zhijia | Passive electronic tag |
| WO2012163294A1 (en) * | 2011-06-03 | 2012-12-06 | Liu Zhijia | Passive electronic tag |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012163296A1 (en) | 2012-12-06 |
| WO2012163294A1 (en) | 2012-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170608 Address after: 200336 room 21, building 641, 3 Tian Shan Road, Shanghai, Changning District, 403 Patentee after: Shanghai Fei Mdt InfoTech Ltd Address before: 201103, room 2, No. 1398, Lane 1102, ancient North Road, Shanghai, Changning District Patentee before: Liu Zhijia |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180131 Address after: 226000 east side of the fourth floor, No. 4, No. 9, new East Road, Nantong economic and Technological Development Zone, Nantong economic and Technological Development Zone Patentee after: Sai Phi information technology (Nantong) Co., Ltd. Address before: 200336 room 21, building 641, 3 Tian Shan Road, Shanghai, Changning District, 403 Patentee before: Shanghai Fei Mdt InfoTech Ltd |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |