baber/WOPTO huggingface dataset:
Patent TW-I796876-B (TW)
Inventor: HUANG CHEN-MING
IPC: G11C16/02
Filed: 2021-12-15
Granted: 2023-03-21
Abstract: 本揭露提供一種記憶體裝置及其製造方法。記憶體裝置包含在裝置之記憶體區域及邏輯區域二者內的電晶體元件。在記憶體區域內的電晶體元件包含側壁間隙壁，其具有在閘極結構之側表面上的第一氧化層、在第一氧化層上的第一氮化層、在第一氮化層上的第二氧化層及在第二氧化層上的第二氮化層。在邏輯區域內的電晶體元件包含側壁間隙壁，其具有在閘極結構之側表面上的第一氧化層、在第一氧化層上的第一氮化層及在第一氮化層上的第二氮化層。
Patent TW-I774627-B (TW)
Title: 噪音抑制風扇
Inventor: Chen guan-hong
IPC: F04D29/66
Filed: 2021-12-28
Granted: 2022-08-11
Abstract: 一種噪音抑制風扇，包含一運轉單元，及一圍繞該運轉單元的功能單元。該運轉單元包括一圍繞出一安裝空間的扇框，及一安裝於該安裝空間的扇輪。定義該扇輪沿一軸向方向導入及輸出氣流，及多個垂直該軸向方向的徑向方向。該功能單元圍繞該運轉單元沿該等徑向方向的外圍，並包括一形成有多個沿該等徑向方向呈貫穿狀之通孔且環繞該扇框外側的環繞板，及一設置於該環繞板外側且與該環繞板間隔界定出一環狀腔，並具有多個沿該軸向方向呈貫通狀之通槽的孔隙模組。氣流經由該等通槽時將可減少風切，經該等通孔進入該環狀腔則可抵消噪音聲波。
Patent TW-I784891-B (TW)
Title: Medical automatic turnover bed
Inventor: ROCKY CHUANG
IPC: A61G7/057
Filed: 2022-03-04
Granted: 2022-11-21
Abstract: A medical automatic turnover bed includes: a fixed bed frame; a turnover bed frame suspended above the fixed bed frame; an electric driving device installed at the fixed bed frame for flipping the turnover bed frame sideways; a bed board installed with a space apart from the turnover bed frame and provided for a patient to lie on; and fasteners arranged on left and right sides of the bed board or the turnover bed frame and manually or automaticallyflappableto change the position to a proximate position or a far position relative to the sides of the patient’s body. In this way, the medical automatic turnover bed can secure the patient’s body safely and can be turned sidewaysautomatically to change the pressed position of the patient’s body, so as to achieve the effects of turning over the patient conveniently, preventing bedsores, and reducing the work of caregivers.
Patent TW-I802355-B (TW)
Title: 實體下行控制通道的檢測方法及相關裝置
Inventor: SONG LEI
IPC: H04W72/04
Filed: 2022-03-31
Granted: 2023-05-11
Abstract: 本發明提供一種實體下行控制通道的檢測方法及相關裝置，終端設備接收網路設備側發送的指示資訊。該指示資訊中可包含搜索空間集合間的關聯關係以及終端設備的指定監測方式。終端設備基於該指示資訊能夠確定用於同一PDCCH的相關聯的MO，由此終端設備能夠縮小盲檢測範圍，有效縮小PDCCH聯合檢測解碼時對候選PDCCH盲合併的次數。緩解終端設備能夠在監測能力範圍內無法檢測到PDCCH的問題，從而提高PDCCH傳輸的成功率。
Patent TW-I806664-B (TW)
Title: Method and system for detecting application program version with abnormal power consumption
Inventor: CHANG CHIN-HAO
IPC: G06F11/30
Filed: 2022-06-16
Granted: 2023-06-21
Abstract: A method and a system for detecting an application program version with abnormal power consumption. The method includes: establishing a power consumption database of a plurality of versions of a target application; obtaining power consumption information of a target version of the target application; determining, according to the power consumption database and the power consumption information, whether the target version of the target application has a first abnormal power consumption state evaluated based on different versions of the target application; and in response to the first abnormal power consumption state, generating an abnormal power consumption prompt corresponding to the target version.
Patent TW-I798130-B (TW)
Title: 蜂箱
Inventor: Liao jun-ming
IPC: A01K47/02
Filed: 2022-07-07
Granted: 2023-04-01
Abstract: 一種蜂箱，其包含有一箱體、一前擋板，及一上蓋，該箱體包含有一前內板、一前外板、一前網片，及至少一巢門，該前內板具有一前通風口，該前外板結合於該前內板的外側，該前外板對應該前通風口的位置設有一前開口，該前網片覆蓋該前通風口，該至少一巢門貫穿該前內板與該前外板，該前擋板以至少一前鉸鏈件與該前外板連結，而能相對於該箱體翻轉，並且可以選擇性的嵌入該前外板的前開口內，該上蓋蓋設於該箱體的上方，本發明的蜂箱保溫效果佳，並且可以減少水氣及冷空氣進入蜂箱內部。
Patent TW-I814503-B (TW)
Inventor: CHIEN SHIH-CHAO
IPC: G06T7/50
Filed: 2022-07-26
Granted: 2023-09-01
Abstract: 本申請涉及影像處理，提供一種深度識別模型訓練方法、圖像深度識別方法及相關設備。本申請包括：獲取深度識別網路、第一圖像及第二圖像，基於預設的地平面分割網路及第一圖像生成地平面區域，基於第一圖像、第二圖像對應的初始深度圖像及預設的位姿矩陣生成投影圖像；基於拍攝設備、初始深度圖像及地平面區域生成目標高度損失，根據初始深度圖像、投影圖像與第一圖像之間的損失計算深度損失，基於深度損失及目標高度損失調整深度識別網路，得到深度識別模型，將待識別圖像輸入到深度識別模型中，得到待識別圖像的識別結果。
Patent TW-I808896-B (TW)
Inventor: HSU MING-HUNG
IPC: H04W64/00
Filed: 2022-09-27
Granted: 2023-07-11
Abstract: An electronic device and a method of technological epidemic prevention based on a mobile network are provided. The method includes: accessing a mobile network, wherein the mobile network includes a mobile roaming network; obtaining user information and position information of a user equipment from the mobile network, wherein the user information includes an access log of mobile network and inbound/outbound information; determining whether the user equipment has accessed the mobile roaming network according to the access log of mobile network, and record the inbound/outbound information of the user equipment on a inbound/outbound list in response to determining the user equipment has accessed the mobile roaming network; and outputting the inbound/outbound list.
Patent TW-I813530-B (TW)
Title: 相鑑定分析方法
Inventor: XU LIN
IPC: G01N23/225
Filed: 2023-03-06
Granted: 2023-08-21
Abstract: 一種相鑑定分析方法，包括依序對待測面施予金相研磨拋光、電解拋光、清潔處理；於待測面刻劃定位記號；以EBSD分析系統對定位記號區間進行EBSD分析採集其菊池線圖樣數據；移除待測面上的積碳層；於定位標記區間取得SEI；經影像處理模組分析菊池線圖樣數據取得含相分布影像、繞射帶斜率影像與KAM影像的EBSD影像組；根據SEI疊加EBSD影像組中的兩者從而構成重疊影像；及經影像辨識模組使重疊影像具有第一、二顏色分布，第一、二顏色分布各代表定位標記區間中的組合BCC與BCT晶相分布及體心晶相分布，並計算重疊影像中的組合BCC與BCT晶相分率及體心晶相分率。
Patent ZA-200105037-B (ZA)
Title: Improvements relating to electrical surge arresters.
Inventor: DOONE RODNEY MEREDITH
IPC: H01C7/12
Filed: 2001-06-20
Abstract: A high voltage (station class) surge arrester comprises a plurality of serially connected stage. Each stage comprises a plurality of low voltage (distribution class) polymer housed solid state surge arresters which are electrically matched. The individual surge arresters of each stage are connected together and to the respective surge arresters of the (or each) adjacent stage by means of cast metal mounting brackets (spiders) having plural equiangularly-spaced limbs to the ends of which the surge arresters are attached. Corona suppression rings are mounted at the top end of the arrester and separate corona suppression components are mounted at the ends of the limbs of the intermediate stages.
Patent ZA-200209239-B (ZA)
Title: Electrode seal for arc furnace.
Inventor: MCCAFFREY FELIM P
IPC: F27D7/06
Filed: 2002-11-13
Abstract: An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting feet. The annular support ring has an upper annular sealing surface on which is supported an annular sealing ring having an internal diameter which is approximately the same as the diameter of the electrode to form a substantial seal therewith. The sealing ring has a lower annular sealing surface which engages the upper sealing surface of the support ring, while allowing limited sliding movement of the sealing ring along its lower annular sealing surface.
Patent ZA-200304450-B (ZA)
Title: Briquettes.
Inventor: DOOLEY MARTIN
IPC: B30B11/16
Filed: 2003-06-06
Abstract: A briquette, which is easily pierceable and supportable, comprises compacted particulate material and has an outer region ( 1 ) and an inner region ( 2 ), said inner region ( 2 ) being provided with a well ( 3 ) having a diameter which decreases progressively in a non-linear relationship with increasing distance from the top of the well such that the sides of the well extend convexly into the well. The briquette, preferably, is a rodenticide block although it may, instead, be a block for sanitary, and/or domestic use. The briquette may be manufactured by compacting particulate material into the nip between a first rotating roll, having a surface provided with a suitable mould, and a second, counter-rotating roll.
Patent ZA-200402146-B (ZA)
Title: Electronic circuit comprising conductive bridges and method for making such bridges
Inventor: FRANCOIS DROZ
IPC: H05K/
Filed: 2004-03-17
Abstract: The aim of this invention is to obtain a very cheap electronic circuit used for example in a card or a label while maintaining high reliability. It particularly concerns the connection of one or several electronic components on the conductive tracks by means of conductive bridges that traverse the substrate. The electronic circuit according to the invention includes at least one electronic component ( 6 ), a substrate ( 5 ), on a first face of this substrate an adhesive layer and a conductive layer including a plurality of tracks ( 4 ) are applied. The electronic component ( 6 ) comprises at least two connection areas ( 7 ). One of these connection areas ( 7 ) is electrically linked to the conductive layer by a conductive bridge formed by a conductive segment ( 1 ) delimited in the conductive layer only. Said segment ( 1 ), free from any adhesive substance, traverses the substrate ( 5 ) through a passage ( 2, 3 ) and links the connection area ( 7 ).
Patent ZA-200405033-B (ZA)
Title: Carrier vehicle for drilling or rockbolting machine
Inventor: JEAN-CLAUDE BARTHOMEUF
IPC: B62D21/18
Filed: 2004-06-24
Abstract: The vehicle has a rigid chassis and four driving wheels (3-6). The wheels (3, 4) are placed on the right side of the chassis, and the wheels (5, 6) are placed on the left side of the chassis. Each wheel has an independent suspension and height controlled by a jack. The wheels (3-6) are driven by hydraulic motors. The chassis receives work equipments such as drilling equipments, at the front and/or at the back.
Patent ZA-200502118-B (ZA)
Title: Arrangement in catapult
Inventor: LIPPONEN PENTTI
IPC: B64F1/06
Filed: 2005-03-14
Abstract: A catapult for launching an unmanned aircraft. The catapult comprises a first carriage, to which the aircraft ( 5 ) can be arranged. The catapult further comprises a launching cylinder ( 23 ) that is arranged to move the carriage ( 4 ) in the launch direction (B) by means of a pulling element, such as a rope, and also a pulley mechanism. The carriage can be moved in the return direction (C) by means of a returning device ( 31 ) and a return-side pulley mechanism ( 51 ).
Patent ZA-200503293-B (ZA)
Title: Probe for determination of oxygen activity in metal melts and methods for its production
Inventor: WIHELM MERKENS
IPC: G01N27/411
Filed: 2005-04-22
Abstract: The invention relates to a probe (100, 200, 300, 400, 500, 600) for the measurement of the oxygen activity of metal melts, in particular steel melts, comprising a reference substance (2) of known oxygen activity in electrically conducting contact (3) with a measuring device; and comprising a solid electrolyte predominantly oxygen ion conducting and negligibly electron conducting at high temperatures and separating the reference substance (2) from the metal melt and having an entry surface (4) for oxygen ions which is in contact with the metal melt, wherein the entry surface (4) of the probe ready for operation is covered by a functional foil arrangement (10,20) in close contact to the entry surface (4).
Patent ZA-200606629-B (ZA)
Title: Catheter for aspirating, fragmenting and removing removable material from blood vessels
Inventor: STRAUB IMMANUEL
IPC: A61B/
Filed: 2006-08-10
Abstract: A medical catheter fragments, sucks and removes embolic and thrombosis obstructions from blood vessels. The catheter has a working head that advances along a guide wire. The catheter has a flexible feed screw (13) operated by a remote rotary drive through a flexible hose (12). The screw operates in conjunction with the head in a scissor action.
Patent ZA-200700697-B (ZA)
Title: Apparatus for determination of an interface of a slag layer
Inventor: CAPPA GUIDO
IPC: G01B/
Filed: 2007-01-25
Abstract: Device for determining a boundary surface of a slag layer on a molten metal comprises an oscillator arranged inside a measuring head (1) and an induction coil (4) connected to the oscillator outside of a body which is fixed in a support pipe.
Patent ZA-200907797-B (ZA)
Title: DMS (Derma Membrane Structure) in foam creams
Inventor: NEUBOURG THOMAS
IPC: A61Q/
Filed: 2009-11-05
Abstract: The foam formulation comprises an emulsion, which is oil in water emulsion and basically an emulsifying agent-free emulsion, i.e. the emulsion has an oil phase and a water phase. The oil phase has a membrane-forming substance, which is insoluble in water and forms a lamellar membrane in the foam formulation. The membrane-forming substance is a lipid, preferably 8-12 carbon triglyceride, and the lipid is a phospholipid, preferably lecithin, and a liquid wax ester. A thickening agent, a stabilizer, which has pentylene glycol, usual components and active ingredients are also provided. An independent claim is also included for a method for producing a foam formulation, which involves manufacturing an emulsion, preferably oil in water type, filling the emulsion and a foaming agent into a pressure-vessel or filling the emulsion into another pressure-vessel, which produces a foam by delivery of the emulsion. ACTIVITY : Dermatological. MECHANISM OF ACTION : None given.
Patent ZA-202001321-B (ZA)
Title: Indazole compounds as mglur4 allosteric potentiators, compositions, and methods of treating neurological dysfunction
Inventor: P JEFFREY CONN
Filed: 2020-02-28
Abstract: Indazole compounds which are useful as allosteric potentiators/positive allosteric modulators of the metabotropic glutamate receptor subtype 4 (mGluR4); synthetic methods for making the compounds; pharmaceutical compositions comprising the compounds; and methods of using the compounds, for example, in treating neurological and psychiatric disorders or other disease states associated with glutamate dysfunction.
Patent ZA-202303932-B (ZA)
Title: Cultivation method of grafting seedlings of citrus reticulata blanco hybrid seeds
Inventor: KE FUZHI
Filed: 2023-03-29
Abstract: The present invention discloses a cultivation method of grafting seedlings of Citrus reticulata Blanco hybrid seeds comprising: placing pretreated Citrus reticulata Blanco hybrid seeds on a surface of an agar medium added with hormones and inorganic nutrient elements; covering the seeds; placing in a greenhouse at 25-28℃ for culture away from light; when seed embryos grow to 15-20 mm, obtaining cultivated Citrus reticulata Blanco hybrid seeds. The method is convenient for observing a radicle length, and improves a medium matrix and additives, so that the grafting seedlings cultivated have robust and straight radicles, and do not need root cutting treatment, thereby avoiding damage of the radicles, improving germination uniformity and a survival rate of the seeds, reducing operation requirements, facilitating daily management, and facilitating subsequent grafting survival; The medium can be used for breeding of new Citrus reticulata Blanco varieties.
Patent MX-343331-B (MX)
Title: Polypropylene fibrous elements and processes for making same.
Inventor: STEVEN LEE BARNHOLTZ
IPC: D01F6/06
Filed: 2010-11-01
Abstract: Polypropylene fibrous elements and more particularly polypropylene microfiber fibrous elements, fibrous structures including polypropylene fibrous elements, and processes for making same are provided.
Patent MX-341098-B (MX)
Title: Flotation process for recovering feldspar from a feldspar ore.
Inventor: FILIPPOV LEV O
IPC: B03D1/008
Filed: 2011-01-06
Abstract: A flotation process for recovering feldspar from a feldspar containing feed material, comprising the following steps: (1 ) forming an aqueous suspension of a feldspar containing feed material, in the absence of hydrofluoric acid, wherein the suspension comprises from 0.004 to 0.3 %wt. of a flotation reagent comprising: (a) one or more amines, containing at least one aliphatic hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 8 to 50 carbon atoms, or a salt thereof; and (b) one or more primary, secondary or tertiary alcohols, containing at least one aliphatic hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 8 to 50 carbon atoms; the ratio of (a) to (b) ranging from 500:1 to 1 :40 by weight; (2) agitating the obtained suspension to produce a feldspar containing fraction, and (3) separating the feldspar containing fraction.
Patent MX-344981-B (MX)
Title: Textured, freeze-dried products and methods for making same.
Inventor: RAPHAEL SCHALLER
IPC: A23L3/44
Filed: 2011-07-18
Abstract: Textured, co-deposited, freeze-dried food products are provided, as well as methods of making same. In a general embodiment, the food products have a first component and a second component that are disposed adjacent one another. The first and second components may be the same or different materials and may have any number of distinguishable characteristics including, but not limited to, flavor, color, texture, optical properties, etc. The food products are subjected to a sublimation step during manufacturing to remove excess water in the food product to provide a freeze-dried food product.
Patent MX-360282-B (MX)
Title: Elastomeric squeegee profile and process for the production thereof.
Inventor: MANFRED LOESCH
IPC: B60S1/38
Filed: 2013-05-30
Abstract: Squeegee profile (10) of an elastomeric material, comprises a base portion (12) and a lip portion (14). The lip portion has a surface made of a material with a lower frictional coefficient with respect to the elastomeric material. The material with a lower frictional coefficient with respect to the elastomeric material is led in the form of an inlay (18) attached to the lip portion. An independent claim is also included for producing the squeegee profile, comprising producing the base portion and the lip portion from the elastomeric material, and providing the prefabricated inlay made of the material with lower frictional coefficient with respect to the elastomeric material.
Patent MX-342609-B (MX)
Title: Small molecule conjugates for intracellular delivery of nucleic acids.
Inventor: DAVID L LEWIS
IPC: A61K48/00
Filed: 2011-08-04
Abstract: Use of compounds for the delivery of nucleic acids as well as conjugates of these compounds with nucleic acids, in particular siRNAs, are provided. Also discloses are stabilized siRNA that are useful when covalently bound to such compound and co- administered with a delivery polymer to achieve mRNA knock-down in vivo. In particular, the invention provides the use of a compound of formula (I) For the delivery of nucleic acids, wherein: Y is a linker group selected from -(CH2)3 or -C(0)-N-(CH2-CH2-0)p-CH2-CH<su b>2- R1 is -(C1 -6) alkyl; -(CH2)-naphthyl; or -(CH2)m-phenyl, which phenyl is unsubstituted or up to four times substituted with a substituent selected from: -N02, -CN, Halogen, -0-(CH2)-phenyl, -0-(C1- 6) alkyl, or -C(0)-NH2 R2 is Hydrogen; -(CH2)k-N-C(Ph)3, which phenyl rings are unsubstituted or independently substituted with -0-(Cl -4) alkyl; -(CH2)k-C(0)-NH2; -(CH2)k-phenyl; -(C1 -6) alkyl, which is unsubstituted or once substituted with -S-CH3; R3 is -NH-phenyl, which phenyl group is further substituted with a substituent independently selected from -(CH2)-OH or -(CH2)-0-C(0)-0-(4-nitro-phenyl); k is 1, 2, 3, 4, 5, or 6; m is 1, 2, 3 or 4; n is 0 or 1; and p is an integer from 1 to 20.
Patent MX-350994-B (MX)
Title: Process for the depressurization of fluids and device suitable for the purpose.
Inventor: ALESSANDRO CASALINI
IPC: B01D19/00
Filed: 2011-12-28
Abstract: The device of the present invention allows the pressure of a certain fluid to be reduced without reductions in the cross sectional area or organs in movement. The pressure reduction is obtained by passing the fluid to be depressurized, in sequence, through a plurality of pairs of steps. In the first step of each pair, part of the pressure energy of the fluid is converted to gravitational potential; in the second step the gravitational potential is converted into thermal energy, so as to prevent the reconversion of the same into pressure energy.
Patent MX-347612-B (MX)
Title: Control for movable rail.
Inventor: ANDERSON RICHARD
IPC: E06B9/32
Filed: 2012-03-06
Abstract: A covering for an architectural opening has a horizontal movable rail supported by cords, with a variety of configurations which allow the movable rail to be moved up and down while concealing the cords.
Patent MX-341089-B (MX)
Title: Preparation of a 1-amino-3-hydroxy-cyclobutane-1-carboxylic acid derivative.
Inventor: STEVEN MICHAEL FAIRWAY
IPC: C07C229/48
Filed: 2012-03-07
Abstract: The invention relates to a process for preparation of radiopharmaceutical precursors, and in particular protected amino acid derivatives which are used as precursors for production of radiolabelled amino acids for use in in vivo imaging procedures such as positron emission tomography (PET). Particularly, the invention relates to a process for preparation of a precursor of the [18F]-1-amino-3-fluorocyclobutanecarboxylic acid ([18F] FACBC) PET agent, ensuring that the reaction efficiently goes to completion.
Patent MX-355294-B (MX)
Title: Personal care articles having multi-zone compliant personal care compositions.
Inventor: SHAWN DAVID MCCONAUGHY
IPC: C11D17/04
Filed: 2012-08-15
Abstract: A personal care article is disclosed having a compliant personal care product and a first water penetrable substrate 22 adjacent to the compliant personal care product. The compliant personal care product includes two or more compliant personal care compositions 14 and 15, such that each of the compliant personal care compositions defines one or more zones and each compliant personal care composition physically contacts at least one of the other compliant personal care compositions.
Patent MX-348453-B (MX)
Title: Collapsible stroller with reversible seat.
Inventor: XIUPING LIU
IPC: B62B7/08
Filed: 2013-03-13
Abstract: A collapsible stroller, comprising: a handle tube (1), a front leg tube (2) with a front wheel assembly, a rear leg tube (3) with a rear wheel assembly, a joint assembly (4) connecting the handle tube (1) to the front leg tube (2) and the rear leg tube (3), and a reversible seat (5) reversibly mounted on the joint assembly (4), characterized in that the reversible seat (5) is provided with an engaging projection (7), and the joint assembly (4) is provided with more than one engaging recess (6.1, 6.2) rotatable with a stroller frame; and that the stroller frame can be collapsed after the engaging projection (7) of the reversible seat (5) is inserted into the engaging recess (6.1, 6.2), and the rotation of the stroller frame brings the reversible seat (5) to rotate therewith, so that the reversible seat (5) is collapsed along with the stroller frame. It is convenient for the user to perfectly collapse the reversible seat (5) and the stroller frame. The stroller is cost-effective.
Patent MX-350243-B (MX)
Title: Irrigation source identification system.
Inventor: ALEXANDER N ARTSYUKHOVICH
IPC: A61M1/00
Filed: 2013-03-25
Abstract: An irrigation source identification system includes an irrigation source, an imaging device, and a processor. The irrigation source includes a container for holding a quantity of irrigation fluid and a port fluidly coupled to the container. The port has an outlet end and a neck. The neck has a plurality of protrusions selected from a grouping of protrusions. The plurality of protrusions provides a unique identifier for the container. An imaging device images the neck and the plurality of protrusions of the irrigation source, and the processor determines which identifier is associated with the image.
Patent MX-344571-B (MX)
Title: Optimization visualization using normalized achievement variables.
Inventor: DALE E JAMISON
IPC: G06Q10/04
Filed: 2013-03-27
Abstract: The present disclosure describes various systems and methods for creating and presenting optimization visualizations that use normalized achievement variables. At least one illustrative method includes defining achievement functions that each operates on at least one of several achievement variables (each of the achievement variables representing a characteristic of a physical object or process), and transforming value ranges for at least two achievement variables into corresponding achievement level ranges by applying at least one of the achievement functions to the value ranges of the achievement variables (the achievement variables being a function of at least one common control variable). The method further includes combining the corresponding achievement level ranges to produce a combined achievement level range, and presenting a visual representation of the combined achievement level range to a user, enabling the user to select value ranges for the common control variable.