baber/WOPTO huggingface dataset:
Patent TW-I773306-B (TW)
Inventor: LIU PEI-YU
IPC: G01R31/3835
Filed: 2021-05-10
Granted: 2022-08-01
Abstract: 本發明公開一種電池電量狀態的檢測方法，包含以下步驟：將估計誤差，除以估計誤差與量測誤差之和，以取得誤差係數；計算電池前次充放電後的最後放電深度與在初始時刻量測的放電深度的差值；將差值乘以誤差係數以取得放電深度差值；將放電深度差值與最後放電深度相加，以取得初始放電深度；並在電池充放電時，以初始放電深度為基準，利用每一時刻之瞬時電壓與變化的電荷量以及雙擴展卡爾曼濾波器(Dual Extended Kalman Filter, DEKF)計算每一時刻之電池放電深度，並將之轉換成電池的剩餘電量百分比。
Patent TW-I773421-B (TW)
Inventor: Xu xiao-dan
IPC: H04J3/06
Filed: 2021-07-06
Granted: 2022-08-01
Abstract: 本申請公開了一種無線通訊設備及其自適應分時多工無線通訊方法。無線通訊設備包括：通訊模組、記憶體和微處理器，微處理器連接記憶體和通訊模組。其中，通訊模組包括射頻電路及共享頻段的第一通訊支路和第二通訊支路，第一通訊支路和第二通訊支路連接射頻電路；記憶體配置為儲存網路環境參數指標；微處理器配置為基於網路環境參數指標實時偵測無線網路的當前狀態，以獲取當前無線網路狀態資料；根據優化目標和當前無線網路狀態資料獲取分時多工參數；及根據分時多工參數控制第一通訊支路和第二通訊支路分時多工射頻電路。
Patent TW-I814040-B (TW)
Title: 探針引導件
Inventor: ABE YUICHI
IPC: G01R1/073
Filed: 2021-07-27
Granted: 2023-09-01
Abstract: 本發明的探針引導件（30）是對探針（20）進行引導的探針引導件，其具備基體（31），基體（31）由陶瓷構成且具有供探針（20）穿過的多個貫通孔（32）。另外，基體（31）至少在貫通孔（32）的一部分具有SiO膜（33）。
Patent TW-I792469-B (TW)
Title: 馬達控制器
Inventor: YANG CHIA-TAI
IPC: H02P7/06
Filed: 2021-08-03
Granted: 2023-02-11
Abstract: 一種馬達控制器具有一開關電路、一控制單元、以及一工作週期處理單元。該開關電路耦合至一馬達以驅動該馬達。該控制單元用以產生複數個控制信號以控制該開關電路。該工作週期處理單元接收一第一脈寬調變信號，其中該第一脈寬調變信號具有一第一工作週期。該工作週期處理單元用以判定是否該第一工作週期等於0%或100%。該工作週期處理單元具有一工作週期計算單元，其中該工作週期計算單元用以擷取該第一工作週期。
Patent TW-I816181-B (TW)
Title: 文件處理裝置及其影像處理方法、電腦程式產品
Inventor: CHEN SYUYANG
IPC: G06F3/048
Filed: 2021-09-09
Granted: 2023-09-21
Abstract: 本發明係一種文件處理裝置及其影像處理方法、電腦程式產品，在該文件處理裝置上預設一組顯示區資訊；當該文件處理裝置接收到一輸入影像時，則取得對應該輸入影像的一組參考資訊；該文件處理裝置根據該組顯示區資訊以及該組參考資訊，調整該輸入影像，以產生一較佳預覽影像。由於，使用者無須考慮將文件放入該文件處理裝置的方向，直接由該文件處理裝置根據該輸入影像自動產生方便使用者查看的較佳預覽影像，藉此達到提升工作效率、使用便利性兼顧使用者體驗的目的。
Patent TW-I779846-B (TW)
Inventor: WU TSAI-FU
IPC: H02J9/06
Filed: 2021-09-24
Granted: 2022-10-01
Abstract: The present disclosure provides a carriers synchronizing method of a parallel inverter. A low-frequency ripple simulating step is performed to drive a high-frequency controlling unit to simulate a low-frequency ripple according to a simulation program. An equidistant grid sampling step is performed to drive the high-frequency controlling unit to sample a high-frequency carrier according to an equidistant grid to generate a high-frequency standard group, and sample the low-frequency ripple according to the equidistant grid and a plurality of reference shifting angles to generate a plurality of low-frequency reference groups. An actual shifting angle searching step is performed to drive the high-frequency controlling unit to compare the high-frequency standard group with the low-frequency reference groups to search an actual shifting angle from the reference shifting angles. A high-frequency carrier adjusting step is performed to drive a proportional integral controller to calculate the actual shifting angle according to an adjusting program to generate a sync reference, and then a period counter adjusts a starting point of the high-frequency carrier according to the sync reference. Therefore, the high-frequency carrier is synchronized to a low-frequency carrier.
Patent TW-I769099-B (TW)
Title: 馬達及其無鐵心定子線圈繞線組
Inventor: TSAI MI CHING
IPC: H02K3/47
Filed: 2021-10-15
Granted: 2022-06-21
Abstract: 本發明係一種馬達及其無鐵心定子線圈繞線組。其中，無鐵心定子線圈繞線組包括一重疊線圈繞組及一非重疊線圈繞組。該重疊線圈繞組包括環狀排列之複數第一線圈及環狀排列之複數第二線圈，且上述第一線圈及上述第二線圈以一相位差相互疊置；該非重疊線圈繞組包括環狀排列之複數第三線圈，上述第三線圈設置在相鄰第一線圈及相鄰第二線圈之間。藉此可使馬達之反電動勢常數、轉矩常數有較佳的表現。
Patent TW-I797784-B (TW)
Title: Selective alkylation of cyclopentadiene
Inventor: HINKLE PAUL
IPC: C07C13/16
Filed: 2021-10-19
Granted: 2023-04-01
Abstract: Provided is a process for the mono-alkylation of cyclopentadiene, utilizing a cyclopentadiene magnesium halide and a metal salt of an alkyl or aryl sulfonate as co-reactant with an alkyl halide alkylating reactant. The process provides facile methodology for the mono-alkylation of cyclopentadiene, with conversions as high as about 96 percent and selectivity for mono-alkylation (over higher level alkylation, such as di- or tri- ) as high as about 99%.
Patent TW-I767870-B (TW)
Title: 液晶配向劑、液晶配向膜及液晶顯示元件
Inventor: FUJIEDA TSUKASA
IPC: G02F1/1337
Filed: 2018-03-01
Granted: 2022-06-11
Abstract: 本發明提供可得到即使暴露於過度加熱，使液晶垂直配向之能力亦不會降低之液晶配向膜的液晶配向劑，且提供可得到即使某種異物與膜接觸而造成損傷時，使液晶垂直配向之能力亦不會降低之液晶配向膜的液晶配向劑。本發明提供一種液晶配向劑，其含有由含有式[1]表示之二胺(式[1]中，X表示單鍵或-O-等之二價基，Y表示式[1-1]表示之基。Y
         1 ~Y
         6 表示說明書記載之特定基)的二胺成分與四羧酸成分之反應物的聚醯亞胺前驅物及其醯亞胺化物的聚醯亞胺中選出之至少1種聚合物。
Patent TW-I805165-B (TW)
Title: Bicycle seat post structure and bicycle
Inventor: TSO TZU-CHIEN
IPC: B62J1/02
Filed: 2021-12-30
Granted: 2023-06-11
Abstract: The present disclosure provides a bicycle seat post structure including a lower tube, an upper tube and a stroke restricting mechanism. The upper tube is movably disposed in the lower tube and can be positioned in a top stroke position or a bottom stroke position relative to the lower tube. The upper tube has an upper tube axis and includes an upper end, a lower end and an outer tube surface. The lower end is configured to be inserted into the lower tube. The outer tube surface is extended between the upper end and the lower end, the outer tube surface includes at least one interference section, and a distance between the at least one interference section and the upper tube axis is incrementally decreased toward the upper end. The stroke restricting mechanism includes an interference member, and the interference member includes an inner surface corresponding to the outer tube surface. The stroke restricting mechanism is operated to allow the inner surface and the at least one interference section of the outer tube surface to be switched from a first interference position to a second interference position to adjust the top stroke position. Therefore the using convenience can be increased.
Patent TW-I808606-B (TW)
Inventor: CHANG CHIH MING
IPC: H05K1/14
Filed: 2022-01-12
Granted: 2023-07-11
Abstract: A circuit stack structure includes a first substrate, a control chip, a heat dissipation element, plural passive element, a support plate, a second substrate, and an inductance element. The inductance element is arranged inside the circuit stack structure and connected to a control chip such as a switching power supply control chip . Through the support plate to allow large-volume inductance elements to be arranged in it, the control chip is arranged on the first substrate to be exposed, and the heat dissipation element is arranged on the control chip, and the plurality of conductive elements on the support plate are used to electrically connect to the first substrate and the second substrate.
Patent TW-I781874-B (TW)
Title: 基於自編碼機神經網路模型偵測電信網路的異常的電子裝置及方法
Inventor: KAO CHIH-YUAN
IPC: G06N3/02
Filed: 2022-01-19
Granted: 2022-10-21
Abstract: 提供一種基於自編碼機神經網路模型偵測電信網路的異常的電子裝置及方法。所述方法包括：從電信網路擷取多個當前信令；匯集該些當前信令，並且根據時間排序該些當前信令；利用根據時間排序的該些當前信令獲得關聯於多個特徵的當前特徵向量；以及輸入當前特徵向量至自編碼機神經網路模型以獲得當前加權損失值，利用當前加權損失值判定電信網路的當前運作狀態是否為正常，並且響應於判定當前運作狀態為異常而產生異常報告。
Patent TW-I806429-B (TW)
Title: 控制自動導引車之模組化控制系統及方法
Inventor: CHEN CHUN-LIN
IPC: G05D1/02
Filed: 2022-02-15
Granted: 2023-06-21
Abstract: 控制AGV之模組化控制系統包括介面、處理器及記憶體。介面接收AGV管理系統之命令信號及複數個傳感器之傳感器信號。記憶體儲存周邊地圖及由處理器執行的複數個程式。複數個程式包括：任務調度模組，接收命令信號並產生對應命令信號的致能信號；傳感器融合模組，接收傳感器信號與致能信號，以根據致能信號處理傳感器信號並產生組織化傳感器數據；建圖模組，根據致能信號處理組織化傳感器數據及周邊地圖以產生更新的周邊地圖，並將其儲存到記憶體中；以及定位模組，根據致能信號處理組織化傳感器數據及更新的周邊地圖以產生定位位置及位姿信號。
Patent TW-I799217-B (TW)
Title: Motorized chuck stage controlling method
Inventor: GIESSMANN SEBASTIAN
IPC: H01L21/66
Filed: 2022-03-29
Granted: 2023-04-11
Abstract: A motorized chuck stage controlling method adapted to a wafer probing system is disclosed. The wafer probing system includes a control rod and a motorized chuck stage. The control rod is moveable between an upper limit position and a lower limit position. When the control rod is operated to move, the motorized chuck stage will move along Z-axis direction correspondingly. One purpose of the method is to allow the operator to define the highest position that the motorized chuck stage can reach in response to the movement of the control rod, thereby preventing the probe and the wafer from colliding with each other.
Patent TW-I782885-B (TW)
Title: 類風濕性關節炎的復建姿勢與攝食關聯檢測系統
Inventor: KU HAO-HSIANG
IPC: G16H20/30
Filed: 2022-04-25
Granted: 2022-11-01
Abstract: 一種類風濕性關節炎的復建姿勢與攝食關聯檢測系統，包含一手腕穿戴式裝置、一大拇指穿戴式裝置、一中指穿戴式裝置、一電子裝置、一深度感知攝影裝置、一第一處理伺服器，及一第二處理伺服器。該第二處理伺服器的一深度學習訓練單元的一深度信念網路依據一手部特徵資訊、一手部姿勢資訊及一攝食習慣資訊計算出該類風濕性關節炎患者擁有類風溼性關節炎的一診斷因子機率。
Patent ZA-200106822-B (ZA)
Title: Absorbent paper and a method for production thereof.
Inventor: ANNERGREN JEANETTE
IPC: A61F5/44
Filed: 2001-08-17
Abstract: Absorbent wetlaid paper containing at least 1% by weight, calculated on the dry weight of the paper, of an absorbent polymeric material having a thermo-reversible liquid uptake capacity, which has a cloud point, Cp, in water within the temperature interval 30-60° C., preferably 35-55° C., at which the polymer has a substantially higher liquid uptake capacity at temperatures below said cloud point as compared to at temperatures above the cloud point. The thermo-reversible polymer will then be inactive during the papermaking process and be activated to its swelling and absorbent form when it is brought into contact with a liquid, the temperature of which is below the cloud point, Cp, of the polymer.
Patent ZA-200205795-B (ZA)
Title: Compositions for treating abnormalities in glomerular filtration, patent ductus arteriosus and osteoporosis
Inventor: PERI KRISHNA G
IPC: C12Q1/02
Filed: 2002-07-19
Abstract: The present invention relates to a composition of matter comprising novel prostaglandin E2 receptor antagonists, and their use in treatments for regulating the fluid filtration in the kidney, preventing bone mineral loss in osteoporosis and dental disease and additionally, closure of ductus arteriosus (DA) in premature infants or fetal animals. Additionally, the compositions include linear peptides, peptide analogs, and peptidomimetics.
Patent ZA-200401108-B (ZA)
Title: Biologically active peptides
Inventor: WONG WAI M
IPC: C07K5/107
Filed: 2004-02-11
Abstract: Thirty substantially pure and biologically active peptides are disclosed. Nucleic acids that have sequences coding for the biologically active peptides and pharmaceutical formulation produced therefrom are also disclosed.
Patent ZA-200406974-B (ZA)
Title: Gasoline additives.
Inventor: GRAUPNER OLAF
IPC: C10L1/06
Filed: 2004-09-01
Abstract: The use of an effective concentration of a hydrocarbyl amine wherein the hydrocarbyl moiety has a number average molecular weight in the range 140 to 255 as an additive in an unleaded gasoline composition is provided containing a major proportion of a gasoline suitable for use in a spark ignition engine, for reducing injector nozzle fouling in a direct injection spark ignition engine. A method of operating a direct injection spark ignition engine is also provided.
Patent ZA-200409596-B (ZA)
Title: Heat-emitting patient garment.
Inventor: MALMBERG ANGELICA
IPC: A41D13/005
Filed: 2004-11-26
Abstract: This invention relates to a patient garment comprising a front piece ( 1 ) and a back piece ( 2 ). According to the invention the front piece ( 1 ) is wholly or partially made up of an outer layer ( 3 ) of a material with little air permeability and an inner layer ( 4 ) of a material with a significantly higher air permeability than the outer layer, which extends over at least part of the outer layer ( 3 ) and is attached to the latter in such a way that a space is formed between the outer and inner layer. Furthermore, at least one inlet ( 8,9 ) connectable to a source of warm air is located on the front piece of the garment and leads to the space between the inner and outer layer.
Patent ZA-200600586-B (ZA)
Title: Method and apparatus for filling a container
Inventor: JOHN HOUZEGO PETER
IPC: B65B/
Filed: 2006-01-20
Abstract: A method and apparatus for filling with powder (4) a container (8) having an open end, including positioning an outlet of a hopper (2) containing powder above the open end of the container (8), mechanically agitating the hopper so as to cause powder (4) to be transferred from the hopper to the container and mechanically agitating the container, wherein the steps of mechanically agitating are conducted by at least a predetermined amount sufficient to ensure that the container is filled with powder at a predetermined density.
Patent ZA-200906266-B (ZA)
Title: Disinfectant device and process
Inventor: BEHAL VIDUR
IPC: C02F/
Filed: 2009-09-09
Abstract: The present invention relates to a disinfectant unit for water stored in a container. It is an object of the invention to maintain water held in a container sanitised during storage. The present invention provides a disinfectant unit for maintaining water held in a container sanitised by releasing gaseous disinfectant into the head space of the container while ensuring the disinfectant is spatially separated from the water to be sanitised.
Patent ZA-201902932-B (ZA)
Title: Systems and methods for power production with integrated production of hydrogen
Inventor: ALLAM RODNEY JOHN
Filed: 2019-05-10
Abstract: The present disclosure relates to systems and methods useful for power production. In particular, a power production cycle, comprising a first combustor (102) and a turbine (103), utilizing CO2 as a working fluid may be configured for simultaneous hydrogen production in an additional hydrogen production unit. Beneficially, substantially all carbon arising from combustion in power production and hydrogen production is captured in the form of carbon dioxide. Further, produced hydrogen (optionally mixed with nitrogen (160) received from an air separation unit) can be input as fuel in a gas turbine combined cycle unit for additional power production therein without any atmospheric CO2 discharge.
Patent MX-344206-B (MX)
Title: Electrosurgical apparatus having a sensor.
Inventor: ROBERT HARRISON
IPC: A61B18/14
Filed: 2011-11-24
Abstract: An electrosurgical apparatus for treating tissue comprises an elongate shaft including a proximal region, a distal region having an electrically conductive region and one or more lumens through the shaft. A stylet is located within one of the lumens for obturating at least a portion of an opening defined by a distal end of the elongated shaft. The stylet distal end has a sensor and may include an occluding component substantially surrounding and affixed to it. The elongated shaft and the stylet can possibly be configured to allow passage of fluid through the lumen while the stylet is located within the lumen. Related stylet configurations are also disclosed.
Patent MX-338012-B (MX)
Title: Arrangement consisting of a travelling gear carrier and a running wheel block fastened detachably thereto, and installation method therefor.
Inventor: SCHLIERBACH-KNOBLOCH THOMAS
IPC: B66C9/08
Filed: 2012-04-12
Abstract: The invention relates to an arrangement consisting of a travelling gear carrier (5) and a running wheel block (6) fastened detachably thereto, wherein the running wheel block (6) consists of a housing (7) with at least one connection surface (8) and a running wheel (11) which is mounted in the housing (7) and protrudes out of the housing (7), and the running wheel block (6) is aligned with respect to the travelling gear carrier (5). In order to facilitate the exchange of running wheel blocks, it is proposed that an undertaken alignment of the running wheel block (6) with respect to the travelling gear carrier (5) is secured in such a manner that a machined groove (10), in which a machined plate (14) is held in a form-fitting manner, is arranged on the connection surface (8) of the running wheel block (6) and, after the running wheel block (6) has been aligned with respect to the travelling gear carrier (5), the plate (14) is fixedly connected to the travelling gear carrier (5). The invention also relates to a method for the installation of an arrangement consisting of a travelling gear carrier (5) and a running wheel block (6).
Patent MX-356038-B (MX)
Title: Bipolar battery and plate.
Inventor: FAUST THOMAS
IPC: H01M50/673
Filed: 2012-09-06
Abstract: A bipolar battery plate is utilized for production of a bipolar battery The bipolar battery plate (10) includes a frame (11), a substrate (12), first and second lead layers (14, 14), and positive and negative active materials (16, 18). The substrate includes insulative plastic with conductive particles homogeneously dispersed throughout the insulative plastic and exposed along surface of the substrate, the substrate (12) being positioned within the frame (11). The first lead layer is positioned on one side of the substrate, while the second lead layer is positioned on another side of the substrate. The first and second lead layer are electrically connected to each through the conductive particles. The positive active material is positioned on a surface of the first lead layer, and the negative active material positioned on a surface of the second lead layer.
Patent MX-340939-B (MX)
Title: Frozen confectionery product with a peelable gel coating and method for manufacturing same.
Inventor: THOMAS ALOISIUS VALENTINUS AMEND
IPC: A23G9/48
Filed: 2012-10-18
Abstract: The present invention relates to a frozen confectionery product comprising a core consisting of a frozen confection, wherein the core is at least partially coated with a frozen flexible edible gel coating, said gel coating being provided with at least one cutting line allowing to peel-off the gel- coating, characterized in that the gel coating comprises at least two visually distinctive gel layers. The invention also relates to a method for making such a product.
Patent MX-365454-B (MX)
Title: Low depth crate.
Inventor: WILLIAM P APPS
IPC: B65D71/54
Filed: 2014-05-12
Abstract: A beverage crate include a base, a pair of opposed side walls extending upward from the sides of the base and a pair of end walls extending upward from ends of the base. The end walls each include a pair of spaced apart end columns A handle extends across the pair of spaced apart columns at each end wall. The height of the handle is aligned with a portion of the bottle having a reduced diameter. For example, some bottles have a tapered or contoured middle portion to facilitate grasping the bottle. This allows the handle to be positioned closer to the bottles, which reduces the overall length of the crate. The reduced length of the crate then permits a reduced width of the crate per the required ratio for cross-stacking. The reduced width then permits a full bottle capture on the bottom surface of the crate.
Patent MX-367972-B (MX)
Title: Thermoplastic single ply protective covering.
Inventor: LI-YING YANG
IPC: E04D5/14
Filed: 2012-11-16
Abstract: A thermoplastic single ply protective roof covering may have two pressure sensitive rubber- based adhesive backings. These dual-adhesive backings may be used to provide for a non-heat welded seam having a combination of good seam strength and fire performance.
Patent MX-348037-B (MX)
Title: Product wrapping machine and operating method for a product wrapping machine.
Inventor: JUAN JESÚS URCELAY EZQUIBEL
IPC: B65B51/30
Filed: 2014-06-26
Abstract: Product wrapping machine comprising counter-jaws (1) distributed in a forward movement direction (X), jaws (6) moving perpendicular to the forward movement direction (X) from an opening position to a closing position against the counter-jaws (1) for sealing together the films wrapping the product to one another and cutting them, an actuator for each jaw (6) causing the corresponding jaw (6) to move in the closing direction, such that the jaws (6) are moved simultaneosuly in the forward movement direction (X) and can be moved independently from one another in the closing direction, a tensioner (7) suitable for collecting part of the film wrapping the product when a jaw (6) leaves the closing position, and control means for causing the jaws (6) to move from an opening position to a closing position and vice versa in a sequential manner.
Patent MX-369573-B (MX)
Title: Alcohol-based printing ink composition.
Inventor: TORU OYA
IPC: C09D11/10
Filed: 2013-06-27
Abstract: The present invention relates to an alcohol-based printing ink composition comprising a polyurethane urea resin (D) obtained by reacting a polyol (A), a diisocyanate (B), and a chain extender (C), a coloring agent (E), and a vehicle, wherein the polyol (A) comprises a polyester polyol (AO) having repeating units derived from a saturated hydroxyl carboxylic acid having side chains, and the vehicle of the alcohol-based printing ink composition comprises an alcohol (F) such that the ratio of the alcohol (F) is 50 wt% or more based on a total 100 wt% of the vehicle. Thus, the present invention provides a printing ink that comprises an environmentally-friendly alcohol as a primary component and that has excellent coloring agent dispersibility and shelf life as well as long-term excellent re-solubility.
Patent MX-337230-B (MX)
Title: Method and apparatus for coding video and method and apparatus for decoding video accompanied with arithmetic coding.
Inventor: SEREGIN VADIM
IPC: H04N19/44
Filed: 2012-06-27
Abstract: The present invention discloses a method for decoding a video through symbol decoding. Disclosed is the method for decoding the video, comprising the steps of: parsing symbols of image blocks from a bitstream which is received; performing arithmetic coding according to each arithmetic coding formula, which is individually decided with respect to a prefix bit string and a suffix bit string, by categorizing a current symbol into the prefix bit string and the suffix bit string with a critical value that is decided based on the size of the current block; and performing reverse binarization, after the arithmetic coding, according to each binarization formula, which is individually decided with respect to the prefix bit string and the suffix bit string.
Patent MX-361934-B (MX)
Title: Adhesive film laminate.
Inventor: SHELTON FREDERICK E IV
IPC: A61L24/00
Filed: 2014-02-05
Abstract: A surgical stapler, or fastening instrument, may generally comprise a layer, such as a tissue thickness compensator, for example, releasably attached to a fastener cartridge and/or anvil by a flowable attachment portion. The flowable attachment portion may be indefinitely flowable. The flowable attachment portion may be flowable from the time that layer is installed to the fastener cartridge to the time in which the layer is implanted to patient tissue. The flowable attachment portion may comprise a pressure sensitive adhesive. The flowable attachment portion may comprise an adhesive laminate comprising a base layer comprising the tissue thickness compensator and an adhesive layer on at least a portion of a surface of the base layer comprising the pressure sensitive adhesive. Articles of manufacture comprising flowable attachment portion and methods of making and using the flowable attachment portion are also described.
Patent MX-348795-B (MX)
Title: Building block system.
Inventor: JAIN RANJIV
IPC: E02D27/32
Filed: 2014-02-24
Abstract: A building system includes a foundation block and a wall block. Each block has opposing first and second main surfaces, a first top end and an opposing second bottom end, and opposing first and second side surfaces extending between the first and second main surfaces and between the top and bottom ends. Portions of the first and second main surfaces of the foundation block proximate the top end thereof taper axially inwardly toward each other and toward an interior of the block to form a pair of inwardly tapered surfaces. The bottom end of the wall block includes a pair of outwardly tapered surfaces which extend axially outwardly away from each other and toward an exterior of the wall block. The pair of outwardly tapered surfaces of the wall block engage the pair of inwardly tapered surfaces of the foundation block in an assembled configuration to form a first vertical stack member.