CN1912901A - Electronic tag capable of charging-erasing magnetic - Google Patents
Electronic tag capable of charging-erasing magnetic Download PDFInfo
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- CN1912901A CN1912901A CN 200610052838 CN200610052838A CN1912901A CN 1912901 A CN1912901 A CN 1912901A CN 200610052838 CN200610052838 CN 200610052838 CN 200610052838 A CN200610052838 A CN 200610052838A CN 1912901 A CN1912901 A CN 1912901A
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Abstract
This invention relates to an electronic label capable of charging and erasing magnetism including an antenna and electronic chip adhered on the base plate characterizing that: a magnetic body deviating from the chip is fixed on the base plate and designed to two magnetic needles fixed on the base plate at either side of the chip, or a magnetic bar fixed on the plate at one side of the chip, which reduces the production cost of the magnetic body, besides, actual test shows that interference to the electronic label does not influence the read and write of its data and threshold alarm can be realized no matter what kind of mode it takes to pass the threshold system and narrow long antenna and linearity structure base plate are applied.
Description
Technical field
The present invention relates to a kind of radio RF recognition technology, especially refer to a kind of electronic tag that is applied to article such as books class and can closely reads and writes.
Background technology
Electronic tag generally includes attached to antenna on the substrate and electronic chip, during use, by communicating between antenna and the reader separated by a distance, comes automatically the recognition objective object and obtains related data.Because identification work is efficient and convenient, again need not manual intervention, and can work in the various environment, thereby be widely used in all trades and professions.
When being applied to places such as library, bookstore or warehouse when above-mentioned electronic tag, overcome the defective that manually-operated in the past brought especially preferably, be very easy to the management of people books, magazine or storage.But in use find: (1) if only be packaged with electronic tag in books or article, stealer can block books or the article of being stolen by means of health or other object, can hide the discovery of gate control system.That is to say.Above-mentioned electronic tag is for existing gate control system, and its sensitivity is high not enough, is easy to lose efficacy or shielded signal before gate control system, therefore, only has electronic tag can't play antitheft effect well on books or article.And in order to overcome above-mentioned defective, also have and on books or article, encapsulate the needle unit in addition, but operation like this, the cost of manufacture height, the encapsulation work amount is big, and separately after the encapsulation,, also influenced its applying on books or article thus because of the overlapping read-write that influences label data of position very easily appears in needle and electronic chip.(2) owing to existing be applied in electronic tag above-mentioned occasion, that can closely operate and all adopted low frequency or high-frequency electronic label, the size of antenna and substrate all designs greatlyyer, mail in books or article, be easy to appear on the one hand, make the hiding property of electronic tag poor; Exist then on the other hand that fee of material, deal are heavy, defect of high cost, and such structure also can be because of the antenna that fractures that curls of books or article, promptly damage electronic tag easily and do not have due effect.
Summary of the invention
First technical matters to be solved by this invention is the present situation at prior art, and a kind of warning sensitivity height, electronic tag capable of charging-erasing magnetic that anti-theft feature is good are provided.
Second technical matters to be solved by this invention is the present situation at prior art, and a kind of warning sensitivity height that both had is provided, and volume is little again, good concealment electronic tag capable of charging-erasing magnetic.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this electronic tag capable of charging-erasing magnetic comprises and it is characterized in that attached to antenna on the substrate and electronic chip: also be fixed with the magnetic that departs from described electronic chip on described substrate.
In such scheme, described magnetic can be fixed on the front of described substrate; Also can be fixed on the reverse side of described substrate.
Further improvement as above-mentioned each scheme, described antenna can be designed to long and narrow, and its frequency range is between 902MHz～928MHz, and the length of described substrate is between 80 millimeters～240 millimeters, its width is between 2 millimeters～8 millimeters, and its thickness is between 0.1 millimeter～0.8 millimeter.
Described long and narrow antenna can be linked to each other with the afterbody that is the line body by the head that is rectangular parallelepiped and form, adopt such structure, make in the short range, on as far as possible little substrate, can produce the bigger antenna of shape easily and come, so that receive or launch stronger signal.Equally, also above-mentioned antenna can be made the rectangular structure that linearity, elongated spiral fashion or edge become dentation.
In this long and narrow electronic tag, in order to reduce the volume of magnetic as far as possible, magnetic can be designed to two pieces of needles, and is separately fixed on the substrate of described electronic chip both sides, can guarantee warning function like this, reduces the influence to electronic label read-write again.Certainly, according to the size of substrate, also above-mentioned magnetic can be designed to magnetic sheet or other shape, as long as its size less than substrate, the feed that does not influence electronic chip gets final product.
Comparatively useful is, described substrate length is 160 millimeters, width be 4 millimeters, thick be 0.2 cube, easy to make like this, and the electronic tag that makes to have a signal good, the characteristics that the application scenario is wide.
Described long and narrow antenna can also be designed to following structure: it is by the head that is rectangular bulk, form at the linearity afterbody of electronic chip one side and the full of twists and turns polyline shaped intermediate between antenna head and afterbody, the signal that such structure receives on as far as possible little substrate equally or emission is stronger.Here, the length of linearity antenna afterbody can account for 3/4ths of substrate total length.And magnetic can adopt a magnetic stripe, this magnetic stripe can be fixed on the corresponding substrate of this linearity antenna afterbody on, so both guaranteed magnetic field intensity, for two pieces of needles, reduced the encapsulation number of times, so structure is more reasonable again.
Compared with prior art, (1) is because the present invention utilizes the substrate of existing electronic tag that magnetic is installed, therefore, when making the magnetic unit, need not other placement substrate, also need not independent installation, electronic tag and magnetic can be carried out disposable encapsulation operation.Therefore adopt such structure, reduced cost of manufacture, reduced the encapsulation time, and when such electronic tag passes through gate control system, can also improve warning sensitivity widely, thus the generation of having stopped steal phenomenon effectively.(2) since the present invention in the uhf-range of 902MHz～928MHz, antenna is made into long and narrow, make substrate also become the line style structure thereupon, thereby make the electronic tag that makes both can in uhf-range, carry out quick, long-range identification, it is little to have volume again, hidden performance is good, has also simultaneously that in light weight, material is economized, cost is low, characteristics of frangibility antenna not.In a word, adopt such structure after, by actual test shows: the interference that magnetic causes electronic tag does not influence the read-write of electronic tag data, and no matter at any angle mode can realize all that through gate control system the gate inhibition reports to the police.Therefore the present invention is simple in structure, uses reliably, can bring beyond thought technique effect in concrete the application, so be worth applying in each occasion.
Description of drawings
Fig. 1 is the front schematic view of first embodiment of the invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the front schematic view of fourth embodiment of the invention;
Fig. 4 is the rear view of Fig. 3.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment 1: as depicted in figs. 1 and 2, this electronic tag comprises the magnetic that is provided with attached to the antenna on the substrate 12, electronic chip 3 and deflects electrons chip, here, magnetic is designed to two pieces of needles, be left needle 4a and right needle 4b, and be separately fixed on the substrate front side of electronic chip both sides.And antenna is designed to long and narrow, and this antenna is linked to each other with the afterbody 22 that is the line body by the head 21 that is rectangular parallelepiped and forms, and the length ratio of antenna head and afterbody is taken as 2.2: 1, and they lay respectively under right needle, the left needle, and overlap.And the Design of length of substrate is 160 millimeters, and width is 4 millimeters, and thickness is 0.2 millimeter.Chip adopts the conventional chip of supporting each communication protocol, adopts nation fixed form and antenna fixed or upside-down mounting to link into an integrated entity.
During use, this electronic tag front is fixed in and is identified object surfaces, and contacts with being identified the object sealing, can make present embodiment carry out remote fast reading and writing on the hyper band of 902MHz～928MHz.
Embodiment 2: itself and the above-mentioned first embodiment difference are: described antenna is linearly, and the Design of length of substrate is 80 millimeters, and width is 2 millimeters, and thickness is 0.1 millimeter, and such scheme has equally that volume is little, the characteristics of good concealment.And, causing the size design scope of antenna to diminish when the size of substrate during less than above-mentioned data, the electrical length adjustable extent of antenna diminishes thereupon, is difficult to satisfy 915MHz resonance, thereby can not effectively receive the radiation power that read write line sends.Like this read write line just with a part of power as the idle work loss in the space, simultaneously can not be in the optimum distance reading tag.
During use, this electronic tag is carried out double-faced packaging, be about to it and place the inside of books, its pros and cons is all contacted with books are seamless.
Embodiment 3: it is with the above-mentioned first embodiment difference: described antenna is that the edge becomes the rectangular of dentation, and the Design of length of substrate is 240 millimeters, width is 8 millimeters, thickness is 0.5 millimeter or 0.8 millimeter, during use, with its single face encapsulation or double-faced packaging, just can be applicable on the bigger books or article.
In like manner, show after tested, when the size of substrate during greater than above-mentioned data, though the range of size of substrate can satisfy the requirement of Antenna Design, the increase of substrate size, mail when books or article, can increase length undoubtedly, width and thickness, the disguise of reduction antenna, be unfavorable for the antitheft of books or article, also increased production cost simultaneously.
Embodiment 4: as shown in Figure 3 and Figure 4, itself and the above-mentioned first embodiment difference are: described antenna be designed to by the head 21 that is rectangular bulk ', at the linearity afterbody 22 of electronic chip one side ' and full of twists and turns polyline shaped intermediate 23 between antenna head and afterbody ' form, and in the present embodiment, the length of described linearity antenna afterbody accounts for 3/4ths of substrate total length greatly, and magnetic is a magnetic stripe 4c, this magnetic stripe be fixed on linearity antenna tail 22 ' portion corresponding substrate on.
Protection scope of the present invention is not limited to the foregoing description, also is provided with needle on the electronic tag of low frequency or high band; Perhaps on bigger substrate, adopt the magnetic of magnetic stripe or other shape; Perhaps magnetic is fixed on the reverse side of substrate, within the scope that such scheme also belongs to the present invention to be protected.
Claims (9)
1, a kind of electronic tag capable of charging-erasing magnetic, it comprises attached to antenna (2) on the substrate (1) and electronic chip (3), it is characterized in that: also be fixed with the magnetic that departs from described electronic chip (3) on described substrate (1).
2, electronic tag capable of charging-erasing magnetic according to claim 1 is characterized in that: described magnetic is fixed on the front or reverse side of described substrate (1).
3, electronic tag capable of charging-erasing magnetic according to claim 1 and 2, it is characterized in that: described antenna (2) becomes long and narrow, its frequency range is between 902MHz～928MHz, and the length of described substrate is between 80 millimeters～240 millimeters, its width is between 2 millimeters～8 millimeters, and its thickness is between 0.1 millimeter～0.8 millimeter.
4, electronic tag capable of charging-erasing magnetic according to claim 3 is characterized in that: described antenna (2) is linked to each other with the afterbody that is the line body (22) by the head that is rectangular parallelepiped (21) and forms.
5, electronic tag capable of charging-erasing magnetic according to claim 3 is characterized in that: described magnetic is two pieces of needles, and is separately fixed on the substrate (1) of described electronic chip both sides.
6, electronic tag capable of charging-erasing magnetic according to claim 3 is characterized in that: the length of described substrate (1) is 160 millimeters, and width is 4 millimeters, and thickness is 0.2 millimeter.
7, electronic tag capable of charging-erasing magnetic according to claim 3 is characterized in that: described antenna by the head that is rectangular bulk (21 '), be positioned at the linearity afterbody (22 ') of described electronic chip one side and the full of twists and turns polyline shaped intermediate (23 ') between antenna head and afterbody is formed.
8, electronic tag capable of charging-erasing magnetic according to claim 7 is characterized in that: the length of described linearity antenna afterbody (22 ') accounts for 3/4ths of described substrate (1) total length.
9, electronic tag capable of charging-erasing magnetic according to claim 8 is characterized in that: described magnetic is a magnetic stripe (4c), this magnetic stripe be fixed on the corresponding substrate of described linearity antenna afterbody on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052838 CN1912901A (en) | 2006-08-04 | 2006-08-04 | Electronic tag capable of charging-erasing magnetic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052838 CN1912901A (en) | 2006-08-04 | 2006-08-04 | Electronic tag capable of charging-erasing magnetic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1912901A true CN1912901A (en) | 2007-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610052838 Pending CN1912901A (en) | 2006-08-04 | 2006-08-04 | Electronic tag capable of charging-erasing magnetic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1912901A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937523A (en) * | 2010-09-30 | 2011-01-05 | 潘泽民 | Anti-theft magnetic stripe capable of reading and writing and anti-theft label capable of reading and writing |
| CN102129604A (en) * | 2011-03-24 | 2011-07-20 | 常州市科晶电子有限公司 | Elongated ultra-high-frequency induction label compounded from amorphous soft magnetic material |
| CN104881700A (en) * | 2015-05-05 | 2015-09-02 | 宁波立芯射频股份有限公司 | Book label with magnetic strip |
-
2006
- 2006-08-04 CN CN 200610052838 patent/CN1912901A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937523A (en) * | 2010-09-30 | 2011-01-05 | 潘泽民 | Anti-theft magnetic stripe capable of reading and writing and anti-theft label capable of reading and writing |
| CN102129604A (en) * | 2011-03-24 | 2011-07-20 | 常州市科晶电子有限公司 | Elongated ultra-high-frequency induction label compounded from amorphous soft magnetic material |
| CN104881700A (en) * | 2015-05-05 | 2015-09-02 | 宁波立芯射频股份有限公司 | Book label with magnetic strip |
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