201008021 九、發明說明: 【發明所屬之技術領域】 ' 本發明係有關於一種無線電識別(RFID)標籤裝置,特 別有關於一種無線電識別(RFID)標藏天線、標籤裝置及通 訊系統。 【先前技術】 無線電識別(RFID)系統,或稱射頻辨識系統,在供應 鏈管理、防偽、追蹤等商業應用領域上有許多創新的發展, • 並且有更多的企業開始使用這種技術改善生產或管理流 程。而RFID系統提供了強大的辨識功能,使供應練透明 化,若將RFID技術與商業流程及應用程式加以整合,便 更能有效地改變製造或零售業者與供貨、配送等夥伴的供 應鍊管理。晶片中還可紀錄一系列資訊,如產品別、位置、 曰期等,最大的好處是能提高物品管理效率,目前物品資 訊多記錄在條碼上,而再以掃描器掃瞎條碼取得資訊,而 RFID標籤只需在一定範圍内感應,並可一次讀取大量訊 肇 *。 另一方面,傳統RFID天線的設計以及應用上的缺點 主要在於製作上的成本太高。目前在整個RFID系統的成 本比例分布上以天線的導體成本占絕大多數的製作與材料 成本。因此,近年來天線的製作成本已有許多製程的改進, 例如利用導體銀膠在捲帶式(roll to roll)製程,或者以網版 印刷等,以降低製作成本。於製程中,銀膠的用量也就成 為天線製作成本的關鍵。 201008021 美國專利第US 7,277,017號揭露一種RFID標籤,天 線由偶極(dipole)天線以及中間的迴路(loop)導體所組成, • 其目的在於設計迴路(loop)導體,以提供電感值來消除由 RFID晶片與連接到晶片的導體所產生的寄生電容。 第1圖係顯示傳統RFID標籤的平面示意圖。請參閱 第1圖,於傳統RFID標籤10中,一天線圖紋12形成於 一基材11上。一 1C晶片13設置於天線圖紋12上。天線 圖紋12可做為一偶極(dipole)天線,其包括兩單極圖案121 ❹ 和122,自1C晶片13的位置向外延伸。天線圖紋12更包 括一校正迴路圖案123用以補償或修正天線特性。校正迴 路圖案123繞過1C晶片13的位置且連接兩單極圖案121 和 122。 第2圖係顯示另一傳統的RFID標籤的平面示意圖。 於第2圖中,RFID標籤10中,一天線圖紋12形成於一基 材11上。一 1C晶片13設置於天線圖紋12上。天線圖紋 12包括一迴路天線(loop antenna)。兩延伸段12a、12b自 ❹ 1C晶片13的位置向外延伸。延伸段12a、12b的兩端分別 連接1C晶片13和校正迴路圖案123GC晶片13另連接一 導電圖紋16。校正迴路圖案i23的兩侧分別包括雙圖案 123a和123b。其目的在於消除1C晶片13與天線圖紋12 之間的的寄生電容。 由於傳統的RFID標藏天線導體與1C晶片之間所產生 的電容值甚小,如採用迴路天線(loop antenna)產生電感, 無法有效地消除導體與1C晶片之間的電容性。再者,傳統 6 201008021 的RFID標藏天線設計無法調整阻抗匹配,使得欲控制天 線共振頻段變得困難。 【發明内容】 本發明之實施例提供一種無線電識別(RFID)標籤天 線,包括:一圖案化導線迴路,包括複數條縱向的導線段 及一對橫向的導線段連接各縱向的導線段端點,以構成一 匹配網路;一對延伸的導線臂,藉由兩節段電性連接該圖 案化導線迴路;一置晶座和一無線電識別(RFID)晶片設置 ❷ 於其上,於該對導線臂的中心。 本發明之貫施例另提供一種無線電識別(RFID)標籤裝 置’包括.-基板’-圖案化導線迴路設置於該基板上, 該導線迴路包減數條縱㈣導線段及—㈣向的導線段 連接各縱向的導線段端點,以m4、 ‘ Λ稱成一匹配網路;一對延伸 的導線臂於該基板上,藉由$π 称一置晶座設置一4=性連接該圖案化導線 上,於該對導線臂的中心識別(RFID)晶片位於該基板 ❹ 本發明之實施例又提供一链也Μ ^ . 種無線電識別(RFID)標籤通 訊糸統,包括·-觸標籤裝置 線迴路設置於該基板上,該㈣、π ^ Ώ茱化等 線段及-對橫向的導錢連路包括複數條縱向的導 ,^ ^ 建接各縱向的導線段端點,以構 段電性連接該圖案化導線趣:線f:該基板土,藉由兩節 識別(RFID)晶片位於該基板置晶座5又置一無線電 讀取天線感應該讎標c對導線臂的中心;- 佧戰裝置,·以及一微處理器處理並 7 201008021 傳送該讀取天線的感測訊號。 為使本㈣較_㈣’下轉舉實施例,並配合 所附圖式,作詳細說明如下: 【實施方式】201008021 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a radio identification (RFID) tag device, and more particularly to a radio identification (RFID) tag antenna, a tag device, and a communication system. [Prior Art] Radio identification (RFID) systems, or radio frequency identification systems, have many innovative developments in commercial applications such as supply chain management, anti-counterfeiting, and tracking, and more companies are using this technology to improve production. Or management process. The RFID system provides a powerful identification function to make the supply transparent. If RFID technology is integrated with business processes and applications, it can effectively change the supply chain management of manufacturing or retailers and suppliers, suppliers and other partners. . The chip can also record a series of information, such as product, location, cycle, etc. The biggest advantage is that it can improve the efficiency of item management. At present, the item information is recorded on the barcode, and then the scanner broom barcode is used to obtain information. RFID tags only need to be sensed within a certain range, and can read a large number of messages* at a time. On the other hand, the drawbacks of the design and application of conventional RFID antennas are mainly that the cost of production is too high. At present, the cost of conductors of antennas accounts for the vast majority of manufacturing and material costs in the distribution of the cost of the entire RFID system. Therefore, in recent years, there have been many improvements in the manufacturing cost of the antenna, such as the use of a conductor silver paste in a roll to roll process, or a screen printing to reduce the manufacturing cost. In the process, the amount of silver glue is the key to the cost of antenna production. US Patent No. 7,277,017 discloses an RFID tag consisting of a dipole antenna and an intermediate loop conductor. The purpose is to design a loop conductor to provide an inductance value to eliminate the RFID. The parasitic capacitance generated by the wafer and the conductor connected to the wafer. Figure 1 is a schematic plan view showing a conventional RFID tag. Referring to Fig. 1, in the conventional RFID tag 10, an antenna pattern 12 is formed on a substrate 11. A 1C wafer 13 is disposed on the antenna pattern 12. The antenna pattern 12 can be used as a dipole antenna comprising two monopole patterns 121 ❹ and 122 extending outward from the position of the 1C wafer 13. The antenna pattern 12 further includes a correction loop pattern 123 for compensating or correcting antenna characteristics. The correction circuit pattern 123 bypasses the position of the 1C wafer 13 and connects the two monopole patterns 121 and 122. Figure 2 is a schematic plan view showing another conventional RFID tag. In Fig. 2, in the RFID tag 10, an antenna pattern 12 is formed on a substrate 11. A 1C wafer 13 is disposed on the antenna pattern 12. The antenna pattern 12 includes a loop antenna. The two extensions 12a, 12b extend outwardly from the position of the 1C wafer 13. Both ends of the extensions 12a, 12b are connected to the 1C wafer 13 and the correction circuit pattern 123GC. The wafer 13 is further connected to a conductive pattern 16. Both sides of the correction loop pattern i23 include double patterns 123a and 123b, respectively. The purpose is to eliminate the parasitic capacitance between the 1C wafer 13 and the antenna pattern 12. Since the capacitance generated between the conventional RFID-labeled antenna conductor and the 1C chip is very small, such as the use of a loop antenna to generate an inductance, the capacitance between the conductor and the 1C wafer cannot be effectively eliminated. Furthermore, the traditional 6 201008021 RFID standard antenna design cannot adjust the impedance matching, making it difficult to control the antenna resonance frequency band. SUMMARY OF THE INVENTION Embodiments of the present invention provide a radio identification (RFID) tag antenna, including: a patterned wire loop including a plurality of longitudinal wire segments and a pair of lateral wire segments connecting the longitudinal ends of the wire segments, To form a matching network; a pair of extended wire arms electrically connected to the patterned wire loop by two segments; a crystal holder and a radio identification (RFID) chip disposed thereon, on the pair of wires The center of the arm. The embodiment of the present invention further provides a radio identification (RFID) tag device 'including a substrate--patterned wire loop disposed on the substrate, the wire loop package minus a plurality of vertical (four) wire segments and - (four) wires The segments are connected to the ends of the longitudinal wire segments, and are defined as a matching network by m4, 'nicknames; a pair of extended wire arms are on the substrate, and a pattern is set by a photocell for $π. On the wire, a center identification (RFID) chip on the pair of wire arms is located on the substrate. The embodiment of the present invention further provides a chain of radio identification (RFID) tag communication systems, including a - touch tag device line. The circuit is disposed on the substrate, and the (4), π^ Ώ茱, and the like line segments and the horizontally-oriented money guiding link include a plurality of longitudinal guides, and ^ ^ each longitudinal segment of the wire segment is connected to construct the electrical segment Connecting the patterned wire: line f: the substrate soil, by means of a two-section identification (RFID) chip located on the substrate mounting base 5 and a radio reading antenna sensing the center of the target c to the wire arm; - 佧Warfare device, · and a microprocessor processing and 7 201008021 biography The sensing signal of the reading antenna. In order to make this (4) _ (four)' turn down the embodiment, and with the accompanying drawings, a detailed description is as follows: [Embodiment]
以下以各實施例詳細說明並伴隨著圖式說明之範例, =本發明之參考依據。在圖式或說明書描述中,相似或 同之部分皆使用相同之圖號。且在圖式中,實施例之形 :或是厚度可擴大’並以簡化或是方便標示。再者,圖式 各元件之部分將以分別描述說明之,值得注意的是,圖 未繪不或描述之元件,為所屬技術領域中具有通常知識 之所=的形式,另外,特定之實施例僅為揭示本發明使用 特定方式,其並非用以限定本發明。 本發明的主要特徵及樣態在於,提供一種無線電識別 出)^籤天線、標籤裝置及通訊系統。由於標籤 緯1本絕大部分仍在天線的設計上,因此業界亟需降低天 ^氣作成本。此外,在天線設計的導體材料包括鉈、銅蝕 :製程、網印銀膠製程,並結合捲帶式(r〇ii t〇 r〇11)製程。 $發明實施例的RF ί D襟籤天線增益可達丨· 4 2 d Β丨以上。再 該RFiD標籤天線具有一特殊的阻抗匹配網路可在阻 化匹配的位置作一調整,便於控制天線共振頻段。 緯第3圖係顯示根據本發明之一實施例的RFID標籤天 、’、、的平面示意圖。請參閱第3圖,無線電識別(RFID)標藏 201008021 裝置300’包括一基板3〇1和一天線圖紋312形成基板3〇1 上。該基板3 01的材質為一硬質基板、一軟性基板、一紙 張、一布料或上述材料之複合材料。例如基板材料可由玻 纖材料(FR4)或是pet、PI等高分子材料構成的軟硬基板。 根據本發明另一實施例,該基板301可為高介電常數材料 或高導磁係數材料。該天線圖紋312不限定於形成於基板 3〇1的表面上’其亦可選擇性地嵌入於該基板3〇1中。 天線圖紋312包括一圖案化導線迴路318設置於該基 Φ 板3 〇 1上,該導線迴路318包括複數條縱向的導線段 315a-315f及一對橫向的導線段313a、313b連接各縱向的 ‘線#又點,以構成一匹配網路扣的咖邱netw〇rk)。應注 意的是,各縱向的導線段315a_315f的寬度和間距可視實 際天線特性需求而定。一對延伸的導線臂325a和325b設 置於該基板上,可做為一偶極(dip〇le)天線,並藉由兩節段 3#16a和316b電性連接該圖案化導線迴路318。該對延伸的 ^線臂325a和Μ%可為一對具斜角的偶極天線,其寬度 刀別由中心向外逐漸變乡田。根據本發明實施例,天線圖紋 312更包括-對第二段導體326a和326b分別與各斜角的 偶極天線325a和32;>b的-細端連接,且該第二段導體與 該斜角的偶極天線可實質上垂直,或以任意角度延伸,並 γρτΓ中°亥對第一奴導體的長度與寬度與該無線電識別The following is a detailed description of the embodiments and examples accompanying the drawings, and the reference of the present invention. In the drawings or the description of the specification, the same drawing numbers are used for the similar or the same parts. In the drawings, the shape of the embodiment: or the thickness may be enlarged' and simplified or conveniently labeled. In addition, the components of the drawings will be described separately, and it is noted that the components not shown or described in the drawings are in the form of the general knowledge in the art, and in addition, the specific embodiments The specific mode is only used to disclose the invention, and is not intended to limit the invention. The main features and aspects of the present invention are to provide a radio identification antenna, a tag device, and a communication system. Since most of the tag latitude 1 is still in the design of the antenna, there is an urgent need in the industry to reduce the cost of gas. In addition, the conductor materials in the antenna design include tantalum, copper etching: process, screen printing silver glue process, and combined with the tape-type (r〇ii t〇 r〇11) process. The RF ί D tag antenna gain of the inventive embodiment can reach 丨· 4 2 d Β丨 or more. The RFiD tag antenna has a special impedance matching network that can be adjusted at the position of the impedance matching to facilitate control of the antenna resonance frequency band. The latitude 3 is a plan view showing an RFID tag day, ',, according to an embodiment of the present invention. Referring to Fig. 3, a radio identification (RFID) tag 201008021 device 300' includes a substrate 3〇1 and an antenna pattern 312 formed on a substrate 3〇1. The material of the substrate 301 is a rigid substrate, a flexible substrate, a paper, a cloth or a composite material of the above materials. For example, the substrate material may be a soft and hard substrate made of a glass material (FR4) or a polymer material such as pet or PI. According to another embodiment of the present invention, the substrate 301 may be a high dielectric constant material or a high magnetic permeability material. The antenna pattern 312 is not limited to being formed on the surface of the substrate 3〇1. It may also be selectively embedded in the substrate 3〇1. The antenna pattern 312 includes a patterned wire loop 318 disposed on the base Φ plate 3 〇1. The wire loop 318 includes a plurality of longitudinal wire segments 315a-315f and a pair of lateral wire segments 313a, 313b connected to each longitudinal direction. 'Line # is another point, to form a matching network button, Kaiqiu netw〇rk). It should be noted that the width and spacing of the longitudinal wire segments 315a-315f may depend on the actual antenna characteristics requirements. A pair of extended wire arms 325a and 325b are disposed on the substrate as a dip〇le antenna and electrically connected to the patterned wire loop 318 by two segments 3#16a and 316b. The pair of extended wire arms 325a and Μ% may be a pair of dipole antennas having an oblique angle, and the width of the blade is gradually changed from the center to the outside. According to an embodiment of the invention, the antenna pattern 312 further includes a pair of second segment conductors 326a and 326b respectively connected to the thin ends of the respective dipole antennas 325a and 32; > b, and the second segment conductors The beveled dipole antenna may be substantially vertical or extend at any angle, and γρτΓ°°H to the length and width of the first slave conductor and the radio identification
(FID)晶片的阻抗及#p率塑^ I M 人々卞妥應相關。一置晶座320設置一 無線電識別(RFID)晶μ # ^ )日日片位於該基板上,於該對導線臂325a 和325b的中心。 9 201008021 為符合無線電識別(RFID)晶片内部的阻抗匹配,本發 明貫施例衍生出天線阻抗匹配網路(impedance matching network)並籍由兩節段電性連接具斜角的偶極夭線,以達 到天線最佳化的阻抗匹配,產生良好的共振的效應。 應注意的是,無線電識別(RFID)標籤的天線圖紋312 可採用在任意不同的導體材質,例如銅、銅膠、銀膠,鋁 等不同的導體材料,可達到頻率響應(902〜928 MHz)與頻寬 (50 MHz),亦可達到頻率響應(860〜960 MHz)。 瞻第4圖係顯示根據本發明另一實施例的rFID標籤天 線的平面示意圖。請參閱第4圖,無線電識別(RFID)標藏 裝置400,包括一基板401和一天線圖紋412形成基板401 上。該基板401的材質為一硬質基板、一軟性基板、一紙 張、一布料或上述材料之複合材料。例如基板材料可由玻 纖材料(FR4)或是PET、PI等高分子材料構成的軟硬基板。 根據本發明另一實施例,該基板401可為高介電常數材料 或高導磁係數材料。該圖案化導線迴路412不限定於形成 ❹於基板401的表面上’其亦可選擇性地嵌入於該基板.401 中。 天線圖紋412包括一圖案化導線迴路418設置於該基 板401上,該導線迴路418包括複數條縱向的導線段 415a-415h及一對橫向的導線段413a、413b連接各縱向的 導線段端點,以構成一匹配網路(matching network)。應注 意的是,各縱向的導線段415a-415h的寬度和間距可視實 際天線特性需求而定。一對延伸的導線臂設置於該基板 201008021 上,可做為一偶極(dipole)天線,並藉由兩節段416a和416b 電性連接該圖案化導線迴路418。該對延伸的導線臂為一 對平行的偶極天線425a、435a及425b、435b,各平行的 偶極天線之間相距一特定距離。其中該平行的偶極天線 425a、435a及425b、435b之間分別具有一節點430a和430b 連接,且該節點相距該對導線臂的中心的距離a與該無線 電識別(RFID)晶片的阻抗及頻率響應相關。根據本發明實 施例,天線圖紋412更包括一對第二段導體426a和426b • 分別與偶極天線425a和425b的一端連接,且該第二段導 體與該偶極天線可實質上垂直,或以任意角度延伸,並且 其中該對第二段導體的長度與寬度與該無線電識別(RFID) 晶片的阻抗及頻率響應相關。一置晶座420設置一無線電 識別(RFID)晶片位於該基板上,於該對導線臂425a和425b 的中心。 第5圖係顯示根據本發明實施例的RFID標籤天線的 等效電路示意圖。於第5圖中,導線迴路的各縱向的導線 • 段可為多條垂直金屬導體(可調整電感長度以及垂直導體 的數量),其電感分別表示為LI、L2、L3、L4,與電感與 電感之間的互感L5,並且與天線的L6電感形成一共同的 阻抗,與RFID晶片450之阻抗形成共軛匹配,增加天線 的共振響應,以及天線的傳輸效率。 第6圖係顯示根據本發明實施例的RFID標籤通訊系 統的示意圖。於第6圖中,一種無線電識別(RFID)標籤通 訊系統500,包括一 RFID標籤裝置5]0,一讀取天線感應 201008021 該RFID標籤裝置520,以及一微處理器530處理並傳送該(FID) The impedance of the wafer and the #p rate are appropriate. A crystal holder 320 is provided with a radio identification (RFID) crystal μ # ^ ) day wafer on the substrate at the center of the pair of wire arms 325a and 325b. 9 201008021 In order to comply with the impedance matching inside the radio identification (RFID) chip, the embodiment of the present invention derives an antenna impedance matching network and electrically connects the dipole ridges with oblique angles by two segments. In order to achieve antenna-optimized impedance matching, a good resonance effect is produced. It should be noted that the antenna pattern 312 of the radio identification (RFID) tag can be used in any different conductor material, such as copper, copper glue, silver glue, aluminum, etc., to achieve a frequency response (902~928 MHz). With frequency bandwidth (50 MHz), the frequency response (860~960 MHz) can also be achieved. Figure 4 is a plan view showing an rFID tag antenna according to another embodiment of the present invention. Referring to Figure 4, a radio identification (RFID) tag device 400 includes a substrate 401 and an antenna pattern 412 formed on a substrate 401. The material of the substrate 401 is a rigid substrate, a flexible substrate, a paper, a cloth or a composite material of the above materials. For example, the substrate material may be a soft and hard substrate made of a glass material (FR4) or a polymer material such as PET or PI. According to another embodiment of the present invention, the substrate 401 may be a high dielectric constant material or a high magnetic permeability material. The patterned wire loop 412 is not limited to being formed on the surface of the substrate 401. It may also be selectively embedded in the substrate .401. The antenna pattern 412 includes a patterned wire loop 418 disposed on the substrate 401. The wire loop 418 includes a plurality of longitudinal wire segments 415a-415h and a pair of lateral wire segments 413a, 413b connecting the longitudinal wire segment ends. To form a matching network. It should be noted that the width and spacing of each of the longitudinal wire segments 415a-415h may depend on the actual antenna characteristics requirements. A pair of extended wire arms are disposed on the substrate 201008021 and can be used as a dipole antenna and electrically connected to the patterned wire loop 418 by two segments 416a and 416b. The pair of extended wire arms are a pair of parallel dipole antennas 425a, 435a and 425b, 435b, each parallel dipole antenna being spaced a specific distance apart. Wherein the parallel dipole antennas 425a, 435a and 425b, 435b are respectively connected by a node 430a and 430b, and the distance between the node and the center of the pair of wire arms is the impedance and frequency of the radio identification (RFID) chip. Response related. According to an embodiment of the invention, the antenna pattern 412 further includes a pair of second segment conductors 426a and 426b. • are respectively connected to one ends of the dipole antennas 425a and 425b, and the second segment conductors are substantially perpendicular to the dipole antennas. Or extending at any angle, and wherein the length and width of the pair of second segment conductors are related to the impedance and frequency response of the radio frequency identification (RFID) wafer. A crystal holder 420 is provided with a radio identification (RFID) wafer on the substrate at the center of the pair of wire arms 425a and 425b. Fig. 5 is a view showing an equivalent circuit of an RFID tag antenna according to an embodiment of the present invention. In Figure 5, each longitudinal conductor segment of the wire loop can be a plurality of vertical metal conductors (adjustable inductor length and number of vertical conductors), the inductances of which are represented as LI, L2, L3, L4, and inductance The mutual inductance L5 between the inductors forms a common impedance with the L6 inductance of the antenna, forms a conjugate match with the impedance of the RFID wafer 450, increases the resonant response of the antenna, and the transmission efficiency of the antenna. Figure 6 is a diagram showing an RFID tag communication system in accordance with an embodiment of the present invention. In Fig. 6, a radio identification (RFID) tag communication system 500 includes an RFID tag device 5] 0, a read antenna sensing 201008021, the RFID tag device 520, and a microprocessor 530 processing and transmitting the
I 讀取天線的感測訊號。上述無線電識別(RFID)標籤通訊系 統500在UHF頻段上的有許多的應用,例如供應鏈管理、 門禁管制卡、倉儲管理系統等。再者,在Gen2規範裡有 雙模感應的功能,因此開啟了被動式RFID遠、近距離的 雙模感應模式。本發明各實施例在於保持天線效能、降低 天線的成本並且提面天線的適應性。針對這些需求,設計 一特殊適應性匹配網路,可針對各UHF中心頻率為可任意 ⑩ 調整的RFID,做一適應性的調整,即匹配該RFID的複數 阻抗,因而達到共輛匹配,以及最大能量傳輸。 本發明雖以較佳實施例揭露如上,然其並非用以限定 本發明的範圍,任何所屬技術領域中具有通常知識者,在 不脫離本發明之精神和範圍内,當可做些許的更動與潤 飾,因此本發明之保護範圍當視後附之申請專利範圍所界 定者為準。 201008021 【圖式簡單說明j f 1圖係顯示傳統RFID標籤的平面示意圖; ^ 2圖係® ^傳躺RFID標綱平面示意询; 3圖係顯不根據本發明之一實施例的RFID標麄; 線的平面示意圖,· 鐵•天 第4圖係巔示根據本發明另一實施例的rfid標 線的平面示意圖; 織天 第5圖係顯示根據本發明實施例的RFID標籤天線的 癱等效電路示意圖;以及 第6圖係顯示根據本發明實施例的RFID標籤通訊系 統的示意圖。 【主要元件符號說明】 習知部分(第1、2圖) 10〜傳統RFID標藏; 11〜基材; 12〜天線圖纹; 12a、12b〜兩延伸段; 13〜1C晶片; 16〜導電圖紋; 121和122〜兩單極圖案; 123〜校正迴路圖案; 123a和123b〜雙圖案。 201008021 本案部分(第3〜6圖) 300〜無線電識別(RFID)標籤裝置; 301〜基板; 312〜天線圖紋; 313a、313b〜橫向的導線段; 315a-315f〜縱向的導線段; 316a和316b〜兩節段; 318〜圖案化導線迴路; ❹ 320〜置晶座; 325a和325b〜延伸的導線臂; 326a和326b〜第二段導體; 400〜無線電識別(RFID)標籤裝置; 401〜基板; 412〜天線圖紋; 413a、413b〜橫向的導線段; 415a-4.15h〜縱向的導線段; ❿ 416a和416b〜兩節段; 418〜圖案化導線迴路, 420〜置晶座, 425a和425b〜延伸的導線臂; 435a和435b〜平行的導線臂; 426a和426b〜第二段導體; 430a和430b〜節點; a〜郎點相距導線臂的中心的距離, 201008021 L1_L6〜電感; 450〜RFID晶片; 500二無'冢電識射(RFID)標籤通訊系統; 510〜RFro標藏裝置; 520〜讀取天線; 530〜微處理器,。I Read the sensing signal of the antenna. The above-mentioned radio identification (RFID) tag communication system 500 has many applications in the UHF band, such as supply chain management, access control cards, and warehouse management systems. Furthermore, the dual-mode sensing function is available in the Gen2 specification, thus enabling the passive RFID remote and close-range dual-mode sensing mode. Embodiments of the present invention reside in maintaining antenna performance, reducing the cost of the antenna, and adapting the antenna. In response to these demands, a special adaptive matching network is designed to make an adaptive adjustment for each UHF center frequency that can be adjusted at any 10, that is, to match the complex impedance of the RFID, thereby achieving a common vehicle matching, and maximum Energy transfer. The present invention has been disclosed in the above preferred embodiments, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can make a few changes without departing from the spirit and scope of the invention. The scope of protection of the present invention is therefore defined by the scope of the appended claims. 201008021 [The diagram briefly illustrates the jf 1 diagram showing a schematic diagram of a conventional RFID tag; ^ 2 diagram ® ^ lie radio RFID plane plane query; 3 diagram shows an RFID tag not according to an embodiment of the present invention; A schematic plan view of a line, a diagram of a diagram of an rfid line according to another embodiment of the present invention; a fifth diagram of a weaving antenna showing the equivalent of an RFID tag antenna according to an embodiment of the present invention A schematic circuit diagram; and a sixth diagram showing a schematic diagram of an RFID tag communication system in accordance with an embodiment of the present invention. [Main component symbol description] Conventional part (1st, 2nd figure) 10~ Traditional RFID standard; 11~substrate; 12~antenna pattern; 12a, 12b~two extensions; 13~1C wafer; 16~conductive Pattern; 121 and 122~ two monopole patterns; 123~ correction loop pattern; 123a and 123b~ double pattern. 201008021 Part of this case (Fig. 3~6) 300~Radio identification (RFID) tag device; 301~substrate; 312~antenna pattern; 313a, 313b~transverse wire segment; 315a-315f~longitudinal wire segment; 316a and 316b~ two segments; 318~ patterned wire loop; ❹ 320~ crystallizer; 325a and 325b~ extended wire arm; 326a and 326b~ second segment conductor; 400~ radio identification (RFID) tag device; Substrate; 412~antenna pattern; 413a, 413b~transverse wire segment; 415a-4.15h~longitudinal wire segment; ❿416a and 416b~two segments; 418~patterned wire loop, 420~ crystal holder, 425a And 425b~ extended wire arm; 435a and 435b~ parallel wire arm; 426a and 426b~ second segment conductor; 430a and 430b~ node; a~lang point distance from the center of the wire arm, 201008021 L1_L6~inductance; 450 ~ RFID chip; 500 two no 'electricity detection (RFID) tag communication system; 510 ~ RFro standard device; 520 ~ read antenna; 530 ~ microprocessor.
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