baber/WOPTO huggingface dataset:
Patent TW-I774346-B (TW)
Title: Integrated circuit structure and method of forming the same
Inventor: WANG PEI-YU
IPC: H01L27/088
Filed: 2021-04-28
Granted: 2022-08-11
Abstract: An integrated circuit (IC) structure includes a gate structure, a source epitaxial structure, a drain epitaxial structure, a front-side interconnection structure, a backside dielectric layer, an epitaxial regrowth layer, and a backside via. The source epitaxial structure and the drain epitaxial structure are respectively cn opposite sides of the gate structure. The front-side interconnection structure is over a front-side of the source epitaxial structure and a front-side of the drain epitaxial structure. The backside dielectric layer is over a backside of the source epitaxial structure and a backside of the 
drain epitaxial structure. The epitaxial regrowth layer is on the backside of a first one of the source epitaxial structure and the drain epitaxial structure. The backside via extends through the backside dielectric layer and overlaps the epitaxial regrowth layer.
Patent TW-I804859-B (TW)
Inventor: LIN TZU-CHENG
IPC: G03F9/00
Filed: 2021-05-04
Granted: 2023-06-11
Abstract: A method and a system of managing overlay alignment and a computing system are provided. The current disclosure describes techniques for managing vertical alignment or overlay in semiconductor manufacturing using machine learning. Alignments of interconnection features in a fan-out WLP process are evaluated and managed through the disclosed techniques. Big data and machine learning are used to train a classification that correlates the overlay error source factors with overlay metrology categories. The overlay error source factors include tool signals. The trained classification includes a base classification and a Meta classification.
Patent TW-I773349-B (TW)
Inventor: MASUDA MAKOTO
IPC: G02B27/09
Filed: 2021-05-28
Granted: 2022-08-01
Abstract: 一種光機模組，包括至少二雷射源、多個準直鏡、合光鏡組、光圈、光束整形鏡組、微機電掃描模組及擴束鏡組。至少二雷射源經配置以分別產生具有不同波長的至少二雷射光束。多個準直鏡用於分別準直至少二雷射光束以產生至少二準直光束。合光鏡組用於將至少二準直光束合併爲合成光束。光圈用於濾除合成光束的雜散光束。光束整形鏡組用於將合成光束整形，以產生具有正圓形的整形光束。微機電掃描模組用於反射整形光束且在水平方向及垂直方向進行掃描以形成掃描光束。擴束鏡組用於將掃描光束擴大爲具有預定面積的擴張光束。
Patent TW-I769884-B (TW)
Title: 防撬防剪的門鎖結構
Inventor: LIN SHAO-YU
IPC: E05B67/38
Filed: 2021-07-05
Granted: 2022-07-01
Abstract: 本發明係一種防撬防剪的門鎖結構，其包括：一機台，其具有一可開啟及關閉之門板，該門板上設有至少一容鎖槽，該容鎖槽之槽底設有至少一穿孔；至少一對應該容鎖槽之鎖鉤，且該鎖鉤對應該穿孔，其固設於該機台，關閉該門板可使該鎖鉤由門板內面通過該穿孔，並使該鎖鉤伸入該容鎖槽中；及至少一鎖座，其一端面設有至少一對應該鎖鉤之鎖孔，該鎖座可容置於該容鎖槽內，使伸入該容鎖槽內之鎖鉤插入該鎖孔中，該鎖座可鎖扣或解鎖該鎖鉤；藉由上述結構，該容鎖槽保護該鎖座周身，且該鎖鉤不外露，達到該鎖座無法被撬開、該鎖鉤無法被剪斷之防盜功效。
Patent TW-I777684-B (TW)
Title: 轉移電子元件的方法
Inventor: HUANG YU-MIN
IPC: H05K13/04
Filed: 2021-07-23
Granted: 2022-09-11
Abstract: 一種轉移電子元件的方法，其包括以下步驟：提供可撓性載體，其一面上載有多個電子元件；提供目標基板，使其與可撓性載體之該面對應配置；提供頂針，以頂針之頂抵端部頂抵可撓性載體非載有電子元件的該面之另一面上，使可撓性載體產生形變，致至少一個電子元件向目標基板移動，並接觸目標基板；提供光束，使其通過頂針之至少一部份，並自頂抵端部射出，以熔融焊料，藉由焊料將電子元件焊固於目標基板上；以及移動頂針，使可撓性載體回復原狀，而使焊固之電子元件脫離載體。
Patent TW-I788963-B (TW)
Title: 電路板檢測設備
Inventor: LO YA-HUNG
IPC: G01R1/04
Filed: 2021-08-19
Granted: 2023-01-01
Abstract: 一種電路板檢測設備，包含有承載一電路板且能轉動之一置料載台、能各自沿三軸向移動之二探針裝置，以及一能沿三軸向移動以對位電路板之電性接點的影像擷取裝置。各探針裝置包含有一安裝座、一探針單元、一轉接座及至少一傳輸線。該探針單元包含有一能轉動地設置於安裝座且與轉接座相對固定之探針座，以及設於探針座之至少一探針。該傳輸線具有一與探針電性導通地連接於探針單元之第一接頭，以及一固定於轉接座之第二接頭。該傳輸線用以供另一傳輸線連接於第二接頭，此傳輸線連接方式能使量測穩定性佳，該置料載台之轉動係便於檢測之進行。
Patent TW-I765822-B (TW)
Title: Computer-implemented system and method for outbound forecasting
Inventor: MA KE
IPC: G06N20/00
Filed: 2020-08-12
Granted: 2022-05-21
Abstract: The embodiments of the present disclosure provide systems and methods for outbound forecasting, comprising receiving an initial distribution of postal codes mapped to each region, feeding an optimization heuristic with at least one of the postal codes from the initial distribution to generate one or more additional distributions of postal codes, determining an optimal distribution of postal codes mapped to each region based on the one or more additional distributions of postal codes, and modifying an allocation of customer orders among fulfillment centers based on the optimal distribution of postal codes.
Patent TW-I785842-B (TW)
Title: Display device
Inventor: KIM HANSEOK
IPC: G02F1/1333
Filed: 2021-10-13
Granted: 2022-12-01
Abstract: According to an aspect of the present disclosure, a display device includes: a display panel; a plurality of panel; a cover shield; a plurality of packaging members; and a plurality of hinge members. The plurality of packaging members includes a plurality of first packaging members disposed to correspond to the first side surface and the second side surface of the display panel, respectively, and including a plurality of fixation plates disposed to be fixable to the plurality of panel magnets, and a plurality of second packaging members disposed to correspond to a third side surface and a fourth side surface of the display panel, and disposed to be fixable to the cover shield.
Patent TW-I783741-B (TW)
Title: Method and device for automatically removing chips from turning of rim
Inventor: ALEX CHEN
IPC: B23Q11/00
Filed: 2021-10-21
Granted: 2022-11-11
Abstract: The present invention relates to a method and a device for automatically removing chips from turning of a rim. The device includes a turning unit and a suction unit, wherein the suction unit is fitted on a tri-axial moving mechanism that enables to move in a second direction opposite to a first direction where the turning unit moves, and wherein the suction unit moves closely adjacent to the turning unit as the turning unit displaces in the turning operation for a rim. As a result, the suction unit is able to draw out all the chips resulted from the turning of the rim by the turning unit, so as to achieve the technical purpose and effect of automatically cleaning up the cutting chips on the rim.
Patent TW-I808537-B (TW)
Title: 基板處理裝置，基板保持裝置，半導體裝置的製造方法及程式
Inventor: YAMAZAKI KEISHIN
IPC: H01L21/67
Filed: 2021-11-17
Granted: 2023-07-11
Abstract: 本發明的課題是在於提供一種可改善膜厚的均一性之技術。
        其解決手段是提供一種具有下列構成之技術，
        處理基板的處理室；
        產生微波的微波產生部；
        積載複數的基板而保持的基板保持部；
        支撐基板保持部的輸出軸；及
        在對於輸出軸偏心的位置設置輸入軸的旋轉機構部。
Patent TW-I797918-B (TW)
Title: Detection method and control system
Inventor: CHOU SHIH-WEN
IPC: H02M9/02
Filed: 2021-12-28
Granted: 2023-04-01
Abstract: A detection method for determining whether a touch event occurs in a key module. The key module includes a plurality of keys, a plurality of first electrodes, and a plurality of second electrodes. Each key is coupled to one of the first electrodes and one of the second electrodes. The detection method includes providing a driven pulse to the second electrodes; detecting whether a key is pressed. When a key is pressed on a first specific electrode of the first electrodes, the step of providing a driven pulse to the second electrodes is stopped, the driven pulse is provided to the first specific electrode, and each of the second electrodes is detected. When the signal value of a second specific electrode of the second electrodes is higher than a threshold value, it means that the touch event occurs on a specific key which is coupled to the first specific electrode and the second specific electrode.
Patent TW-I811947-B (TW)
Title: Cable guiding assembly for winch
Inventor: LUNG YU-CHUAN
IPC: B66D1/36
Filed: 2022-01-07
Granted: 2023-08-11
Abstract: A cable guiding assembly for winch includes a bracket, a drum , a connection unit and a cable guide. The drum includes a top and a bottom drum which are transversely installed in the bracket defining a space for the cable to pass through. The connecting unit includes a pair of swing arms which are pivotally connected to the bracket and spaced apart from each other. A guide rod is mounted between the swing arms. The cable guide is installed on the guide rod and moves in transverse direction. The cable guide has a first hole transversely defined therein for the guide rod to pass through, and a second hole longitudinally defined therein for the cable to pass through. The cable guide is driven by the connecting unit to convert between a use position and a folded position to prevent the cable guide from being damaged when not in use.
Patent TW-I816340-B (TW)
Title: 工件分離裝置及工件分離方法
Inventor: OHTANI YOSHIKAZU
IPC: B23K26/064
Filed: 2022-03-29
Granted: 2023-09-21
Abstract: 一種工件分離裝置，其防止因伴隨雷射照射之分離層的改質而產生之煙霧狀或煤煙狀的分解產物附著於照射口。工件分離裝置的特徵為，係具備：朝向分離層照射雷射光之光學系統；從光學系統朝向工件之雷射光的光路；及設置於光路的中途之分隔部，分隔部具有形成於光學系統的照射口與配置有分離層之改質空間部之間之氣流層。
Patent TW-I798079-B (TW)
Title: 主控制晶片、led顯示控制箱及led顯示裝置
Inventor: SUN QING-BIN
IPC: G09G3/32
Filed: 2022-05-12
Granted: 2023-04-01
Abstract: 本發明主要揭示一種主控制晶片，用於整合在容置於一LED顯示控制箱的一主板之上，且包括：一主控制單元、一視訊接收單元、一信號處理單元、以及一LED控制單元。在該主控制單元的控制下，該信號處理單元透過該視訊接收單元接收一視訊信號，且在對該視訊信號執行一顯示區域截取操作、一伽瑪映射操作、一亮度色度校正操作、以及顯示數據排列操作之後，產生且輸出至少一顯示控制信號。最終，該LED控制單元對耦接該LED顯示控制箱的一LED顯示單元執行顯示控制。簡單地說，該主控制晶片整合在主板上從而透過主板耦接LED顯示單元(LED燈板)。依此設計，係大幅減少了周邊電子零件/晶片的數量，使得成本與故障率同時降低。
Patent TW-I803372-B (TW)
Inventor: HUANG TSE-YAO
IPC: H01L27/108
Filed: 2022-06-27
Granted: 2023-05-21
Abstract: A method for forming a memory device includes: forming an array of memory cells, wherein the memory cells respectively include an access transistor embedded in a semiconductor substrate and a storage capacitor over the semiconductor substrate and coupled to the access transistor; and forming a peripheral circuit around the memory cells, wherein the peripheral circuit includes a first transistor and a second transistor on the semiconductor substrate and each including a protruding channel structure 
and a gate structure covering the protruding channel structure, the protruding channel structure has a bottom part and an upper part, and the upper part has a top width and a bottom width smaller the top width.
Patent TW-I811096-B (TW)
Inventor: SU CHIA-NAN
IPC: G06V30/18
Filed: 2022-09-07
Granted: 2023-08-01
Abstract: The present disclosure provides a multi-meter automatic identification method, which includes steps as follows. A multi-meter image is captured from a plurality of meters; a ring detection is performed on the multi-meter image; when the ring detection detects a plurality of circle appearances, a plurality of coordinates and radii of the circle appearances are obtained, and according to the coordinates and the radii of the circle appearances, the multi-meter image is cropped to obtain a plurality of circle images; a the ring detection is performed on the plurality of circle images, so as to delete one or more circle image that do not have a complete circle from the plurality of circle images, and the remaining circle images in the plurality of circle images are used as a plurality of meter images; the plurality of meter images are used to numerically identify a pointer of each of the meters.
Patent TW-I815748-B (TW)
Title: 電化學改質生物絲及其製法
Inventor: JIANG JIAN-WEI
IPC: D06M10/08
Filed: 2022-12-08
Granted: 2023-09-11
Abstract: 本發明提供一種電化學改質生物絲之製法，透過電解使經脫膠的生物絲共價連接吩噻嗪類化合物，而具有低侵蝕性、原子經濟性及綠色化學等潛力。本發明另提供一種電化學改質生物絲，包含一經脫膠的生物絲共價連接一吩噻嗪類化合物，以提升電化學改質生物絲的附加價值與應用潛力。
Patent RS-51085-B (RS)
Inventor: ABOUABDELLAH AHMED
IPC: A61P37/08
Filed: 2003-08-27
Abstract: Jedinjenje prema formuli (I),naznačeno time, štoR1 predstavlja fenil ili naftalenil grupu po potrebi supstituisanu jednim ili više atoma halogena ili hidroksil, cijano, nitro, (C1-C3) alkil, (C1-C3) alkoksi, trifluormetil, trifluormetoksi, benziloksi, (C3-C6) cikbalkil-O- ili (C3-C6) cikloalkil (C1-C3) alkoksi grupa; R2 predstavljaili grupu opšte formule CHR3CONHR4 u kojojR3 predstavlja atom vodonika ili metil grupui R4 predstavlja atom vodonika ili (C1-C3)alkil, (C3-C5)cikloalkilili (piridin-4-il)metil grupu,ili 2,2,2-trifluoretil grupu, ili (imidazol-2-il)metil grupu,ili (benzimidazol-2-il)metil grupu, ili fenil grupu po potrebi supstituisanu jednim ili više atoma halogena ili cijano, nitro, (C1-C3) alkil, (C1-C3)alkoksi, trifluormetil ili trifluormetoksi grupa; i n predstavlja broj od 1 do 3,u obliku baze, adicione soli sa kiselinom, hidrata ili solvata.Prijava sadrži još 13 patentnih zahteva.
Patent ZA-200501224-B (ZA)
Title: Masking strip
Inventor: BOUIC PHILLIP J
IPC: B29C59/02
Filed: 2005-02-10
Abstract: A foam masking strip for masking a gap between two relatively movable parts such as a door and a door post of a vehicle comprises a flexible web connecting two lobes. The web is provided with an adhesive stripe for securing the masking strip to one of the parts and is of reduced thickness permitting independent movement of the lobes relative to each other. In this way, the masking strip can adapt to different gap sizes without compromising the interface between each lobe and the surface of the adjacent part of the vehicle.
Patent ZA-200604254-B (ZA)
Title: Method for administration tiotropium
Inventor: NILSSON THOMAS
IPC: A61K9/00
Filed: 2004-12-02
Abstract: A method for administration and preparation of pharmaceutical dry powder doses are disclosed. The metered dry powder doses are formed from a finely divided dry powder of an selected anticholinergic agent to be used in a dry powder inhaler device. The metered dry powder medicinal dose is arranged as a medicinally effective quantity of the selected medicament onto a dose bed and moisture-tight sealed by using a high barrier seal, for introduction into an inhaler device provided with an Air-razor device for obtaining a fine particle fraction, FPF, of at least 30-50% of delivered powder mass when suction through the inhaler is applied, whereby the dose is delivered to and deposited in the lung of the user during a single inhalation effort.
Patent ZA-200606006-B (ZA)
Title: Filling material
Inventor: COLLINSON JOHN
IPC: C04B26/00
Filed: 2006-07-20
Abstract: The present invention relates to a filling material for use with paving flags and the like comprising at least one base material, at least one binder, at least one cross-linking agent, a solvent and at least one cure retarder.
Patent ZA-200704626-B (ZA)
Title: Intervertebral prosthesis
Inventor: BEAT LECHMANN
IPC: A61F/
Filed: 2007-06-05
Abstract: The prosthetic joint has at least two members having each a cooperating articulating surface layer on a substrate material. At least one of said articulating surface layers comprises amorphous diamond-like carbon; or Titanium Nitrate (TiN) on a bonding layer bonded to the substrate material. The prosthetic joint provides a reduction of the number of wear debris and shows enhanced dry run properties.
Patent MX-347402-B (MX)
Title: Process for obtaining a mixture of zeolites, zeolite x and sodalite, using sludge from plants for the potabilizaion of surface water.
Inventor: ROSA MARÍA RAMÍREZ ZAMORA
IPC: B01J29/064
Filed: 2010-12-17
Abstract: The present invention consists in a process for obtaining a mixture of zeolites, zeolite X and sodalite using sludges resulting from plants for the potabilization of surface water which consists in preparing a sludge:NaOH mixture in a ratio of 0.775 (g of dry sludge/g of NaOH) and fusing it at 550°C for 2 hours. The obtained mixture was cooled at 18°C û 22°C. Subsequently, 37.5 g of this mixture and 150 mL of water are placed in a flask of 250 mL of polymethylpentene with magnetic agitation, with a flowback at 65°C for 15 hours. The solid was then separated from the liquid by filtration at vacuum in Whatman paper No. 4 of alpha-cellulose, with a particle retention not higher of 20-25 Ám. The solid was washed for 2 hours with hot water (80°C) for removing the rests of alkali. The washed solid was dried for 10 hours at 110°C. These conditions allow a zeolite X and sodalite mixture to be synthesised, as shown in the diffractogram in Figure I. This mixture of zeolites has a cationic excha nge capacity of 1.74 meq/g.
Patent MX-351748-B (MX)
Title: Drilling head for reborinq a stuck valve.
Inventor: HALLUNDBAEK JORGEN
IPC: E21B11/00
Filed: 2008-02-28
Abstract: The present invention relates to a drilling head (2) for reboring a stuck valve (35) or drilling into the formation downhole (36). The invention furthermore relates to a drilling tool (1) comprising the drilling head and a driving unit (9). The drilling head comprises a hole saw (28) beside a drill bit for cutting out a piece (37) from the stuck valve. Furthermore, the invention relates to a drilling system comprising the drilling tool and a driving tool for moving the drilling tool downhole; a method of drilling; and a use of the drilling head.
Patent MX-349116-B (MX)
Title: Methods and compositions for novel liquid crystal delivery systems.
Inventor: RICHARD PETER CURTIS CALVERT
IPC: A61K47/10
Filed: 2010-10-18
Abstract: Methods of making a liquid crystal mixture essentially comprised of at least one fatty acid ester or fatty acid, at least one polyhydric solvent, and at least one alkali reactant. The resultant mixture includes at least one fatty acid ester or fatty acid, at least one polyhydric solvent, and at least one salt of said fatty acid ester or fatty acid. The resultant mixture exhibits enhanced stability and aqueous solubility of fatty acids and fatty acid esters. When medium chain fatty acid monoglycerides are used in the method, the resultant mixture exhibits antimicrobial efficacy.
Patent MX-342538-B (MX)
Title: Vehicle crash attenuator apparatus.
Inventor: GERRIT DYKE
IPC: E01F15/00
Filed: 2010-12-10
Abstract: Crash attenuator guardrail apparatus includes an impact head and a backstop having a cable and guardrails supported by guardrail supports located between the impact head and the backstop. Frictional forces are applied to the cable to control and resist movement of the impact head toward the backstop and provide lateral resistance.
Patent MX-339772-B (MX)
Title: Method and composition for reducing the color of sugar.
Inventor: JOSÉ RAIMUNDO FILHO
IPC: A23L5/49
Filed: 2011-08-12
Abstract: This invention refers to a method for reducing the color of any intermediate of a process for obtaining sugar, and sugar and a process for the production of low color sugar. This invention also refers to the use of components and combinations thereof for reducing the color of sugar and/or any intermediate of a process for obtaining sugar.
Patent MX-342071-B (MX)
Title: Polymorphic forms of 3-(4-amino-1-oxo-1,3 dihydro-isoindol-2-yl)- piperidine-2,6-dione.
Inventor: ROGER SHEN-CHU CHEN
IPC: A61K31/454
Filed: 2006-02-21
Abstract: Polymorphic forms of 3-(4-amino-l-oxo-1,3 dihydro-isoindol-2-yl)-piperidine-2,6-dione are disclosed. Compositions comprising the polymorphic forms, methods of making the polymorphic forms and methods of their use are also disclosed.
Patent MX-353762-B (MX)
Title: Il17 and ifn-gamma inhibition for the treatment of autoimmune inflammation.
Inventor: JOHANN LEBAN
IPC: A61K31/422
Filed: 2012-01-27
Abstract: The present invention relates to compounds of the general formula (I), and the pharmaceutically acceptable salt or solvate thereof, as anti-inflammatory and immunomodulatory agents.
Patent MX-349503-B (MX)
Title: Self-lighting device for a cigarette.
Inventor: MARLENE ABISDID
IPC: F24V30/00
Filed: 2012-03-14
Abstract: The invention relates to a self-lighting device for a cigarette, comprising a primary chemical material (7) to be placed at the lighting end (4) of the cigarette (1); and a secondary chemical material (8) that is incompatible with the primary material (7), said primary and secondary materials being inflammable when they come into contact with each other. The device is characterised in that the secondary material (8) is arranged in a receptacle (9) designed to fit over the lighting end (4) of the cigarette (1), bringing the secondary material into contact with the primary material (7).
Patent MX-337720-B (MX)
Title: System and method for adjusting the amount of data bandwidth provided to a mobile device.
Inventor: MENDIOLA DENNIS
IPC: H04W72/04
Filed: 2012-06-28
Abstract: The invention provides a system for adjusting the amount of data bandwidth provided to a mobile device comprising a bandwidth adjustment facilitator arranged to receive a request from the mobile device for adjusting the amount of data bandwidth; a bandwidth throttler in communication with the bandwidth adjustment facilitator; the bandwidth throttler adapted to cap or allocate excess available data bandwidth to the mobile device; wherein on receipt of the request, the bandwidth adjustment facilitator process the request and if the request is successfully processed, adjusts the data bandwidth provided to the mobile device via the bandwidth throttler. The system may further be adapted for billing/charging based on either pay-per-specified-time model or pay per action model. The invention is conveniently suited for use in telecommunications system and does not require modifications to be made to existing telecommunications system.
Patent MX-350072-B (MX)
Title: Method and apparatus for syngas fermentation with high co mass transfer coefficient.
Inventor: PETER SIMPSON BELL
IPC: C12P7/06
Filed: 2012-05-31
Abstract: A process and apparatus is provided which are effective for improving CO mass transfer. The process includes introducing syngas into a reactor vessel through a gas sparger located below a liquid level in the reactor vessel. The syngas being introduced at a flow rate effective for maintaining a pressure inside of the reactor vessel of at least about 1 psig. An agitation energy of about 0.01 to about 12 kWatts/m3 medium is provided. The process is effective for providing a volumetric CO mass transfer coefficient of about 100 to about 1500 per hour.
Patent MX-361458-B (MX)
Title: Pyrimido- pyridazinone compounds and use thereof.
Inventor: VENKATESAN ARANAPAKAM
IPC: A61P29/00
Filed: 2012-08-23
Abstract: The present application provides novel pyrimido-pyridazinone compounds and methods for preparing and using these compounds. These compounds are useful in treating inflammation in patients by administering one or more of the compounds to a patient. In one embodiment, the novel pyrimido-pyridazinone compound is of Formula (I) and R1 and R2 are defined herein.
Patent MX-350355-B (MX)
Title: Compositions and methods for increasing muscle mass and muscle strength by specifically antagonizing gdf8 and/or activin a.
Inventor: TREVOR STITT
IPC: A61P21/06
Filed: 2012-11-14
Abstract: The present invention provides compositions and methods which involve specifically antagonizing GDFS and Activir) A. Sn certain embodftTtents, compositions are provided which comprise a GDF8-specifie binding protein and an Activin A-specific binding protein. For example, the invention includes compositions comprising an anti-GDF8 antibody and an anti- Activin A antibody, in other embodiments, antigen-binding molecules are provided which comprise a GDFB-specific binding domain and an Activin A-specific binding domain. For example, the invention includes bispecific antibodies that bind GDF 8 and Activin A, The compositions of the present invention are useful for the treatment of diseases and conditions characterized by reduced muscle mass or strength, as well as other conditions which are treatable by antagonizing GDF8 and/or Activin A activity.
Patent MX-347878-B (MX)
Title: Method for authenticating an rfid tag.
Inventor: ROBERT POVOLNY
IPC: G06K7/10
Filed: 2014-07-09
Abstract: A method for authenticating an RFID tag with the aid of an RFID reader via a radio interface, wherein a user-specific key is stored in the RFID reader and a tag-specific identifier and a password generated from the identifier and the key in accordance with a known derivative function are stored in the RFID tag, comprising the following steps performed in the RFID reader: receiving via the radio interface the identifier of an RFID tag to be authenticated, generating the correct password from the received identifier and the stored key according to the known derivative function, and generating at least one incorrect password differing from the correct password, sending a series of at least two passwords, at least one being correct and at least one being incorrect, via the radio interface to the RFID tag, and authenticating the RFID tag if no confirmation response is received to any incorrect password.