Abstract: Chassis design and component layout for a mini-ITX format computer are disclosed herein. The essential practice of the design and layout described herein allows for expansion cards and normal size Graphics Processing Unit (GPU) cards in a slim mini-ITX format case. This is achieved through component layout and a special extension cable for the expansion slot on mini-ITX motherboards.

Abstract: A method of fabricating a custom-fit in-ear-monitor (IEM) is provided that utilizes a pre-tuned, single piece driver module to simplify fabrication and reduce cost while insuring that the performance of the IEM consistently meets the acoustic goals set for the device. During fabrication the driver module, the drivers coupled to the module's driver ports, and the crossover circuit are installed in a custom-fit IEM shell such that the module's acoustic output is aligned with the output surface of the IEM shell. After installing the device components within the IEM shell, the shell is sealed.

Abstract: A method of manufacturing a curved secondary battery, the method including preparing a flat secondary battery such that the flat secondary battery includes an electrode assembly and a pouch accommodating the electrode assembly; primary shaping the secondary battery such that the primary shaping includes disposing the flat secondary battery in a first jig, and pressing the flat secondary battery to form a primarily-shaped secondary battery such that the primarily-shaped secondary battery has a first curvature radius; secondary shaping the secondary battery such that the secondary shaping includes disposing the primarily-shaped secondary battery in a second jig, and pressing the primarily-shaped secondary battery to form a secondarily-shaped secondary battery having a second curvature radius; and maintaining the secondarily-shaped secondary battery after forming thereof in the second jig for a predetermined time period.

Abstract: An assembling device for a bush may include: a bush unit mounted on a part; a connection unit of which the inside is locked and fixed to the bush unit; and a support unit coupled to the connection unit, and supporting the bush unit so as to prevent separation of the bush unit.

Abstract: A live working robot for replacing insulator string comprises four parts including a locating mechanism, a clamping mechanism, a transmission mechanism and working condition indicating lamps. The robot is supported to operate in a horizontal plane by an insulating pole. The robot is hung in a vertical plane to support operation by an insulating rope. The locating mechanism can grip a socket accurately, which can be indicated in place by a horizontally positioned lamp and a vertically positioned lamp. The clamping mechanism can clamp a W-pin for disassembling and assembling. The transmission mechanism can transmit the clamping mechanism to clamp, release, advance and retreat the clamp. Placement and clamping of the clamp can be indicated with a clamping position lamp and a limiting lamp. The live working robot can replace the insulator string without the need of power cut, is in simple structure, works reliably and accurately and is time and labor saving.

Abstract: An electronic component includes a wiring substrate having a first surface and a second surface, an electronic component body mounted on a first surface side of the wiring substrate, an external electrode formed on a second surface side of the wiring substrate which is opposite to the first surface side, the external electrode being electrically connected to the electronic component body, a heat generating member having a conductive property and having a higher resistivity than the external electrode, and a heat insulating layer disposed between the electronic component body and the heat generating member, the heat insulating layer having an insulating property and being formed of a material different from an other material of the wiring substrate.

Abstract: A method for producing an insulated electric wire comprises a first step of processing a copper alloy containing a tin and inevitable impurities into a fine wire having a diameter of 0.21 mm±0.008 mm, the tin being 0.30 wt % or more and 0.39 wt % or less, a second step of annealing the fine wire obtained in the first step so as to refine the fie wire to have an extension coefficient of 10% or more and 25% or less and a tensile strength of 300 MPa or more and 400 MPa or less, and a third step of twisting the seven fine wires having undergone the second step with a twist pitch of 15 mm±6 mm.

Abstract: A method for manufacturing a gravure plate includes, setting a certain measurement area on a surface of the gravure plate, finding at least one of a spatial volume that is the total of the volume of a space formed by a plurality of cells located in the measurement area and an average depth obtained by dividing the spatial volume by a surface area of the measurement area, and adjusting, based on a relationship between at least one of the spatial volume and the average depth and an application thickness of a printing material after printing, at least one of the spatial volume and the average depth so as to fall within at least one of a specified value range for the spatial volume and a specified value range for the average depth determined in accordance with a target value range for the application thickness.

Abstract: A method of manufacturing a resin multilayer substrate with a cavity, includes stacking insulation substrates including thermoplastic resins and thermocompression-bonding the insulation substrates. At least one of the insulation substrates is formed by affixing a peelable carrier film to one main surface of the insulation substrate, making a cut in the insulation substrate having the carrier film affixed thereto, the cut being designed to form the cavity, penetrating the insulation substrate in a thickness direction and not penetrating the carrier film in a thickness direction, and removing the carrier film and a portion of the insulation substrate that is cut out by the cut.

Abstract: A wire harness capable of forming a short circuit by use of a plurality of electric wires and a joint connector while being slenderized and reduced in weight. The wire harness includes a plurality of circuit modules each forming a short circuit. Each of the circuit modules, includes a plurality of electric wires, and a plurality of external-connection connectors, connected to respective first ends of the electric wires, and a joint connector, connected to respective second ends of the electric wires to short-circuit the electric wires. The electric wires constituting the circuit modules are bundled together so that the joint connector of each of the circuit modules is discretely disposed so as to be located in a vicinity of at least one of the external-connection connectors included in the circuit module, around which electric wires a binding tape is wound.

Abstract: A system includes a tool having a first arm disposed along a motion plane, a hand-tool body coupled to the first arm, and a second arm rotatably coupled to the hand-tool body and disposed along the motion plane. The hand-tool body includes a first channel, a second channel, and a wire slot configured to receive an insulated wire, wherein the first channel intersects the second channel proximate to the wire slot. The second arm includes a stripping portion configured to reciprocate within the first channel, to cut insulation of the insulated wire, and to strip the insulation from an end portion of the insulated wire. The second arm also includes a crimping portion configured to reciprocate within the second channel and to crimp a terminal lug about the end portion of the insulated wire.

Abstract: A method of assembling an enclosure of a gas turbine is provided. The method includes disposing gas turbine equipment in an interior of a frame at a first site, connecting wall panels to the frame to form a pre-assembled module at the first site, shipping the pre-assembled module from the first site to a second site and disposing the pre-assembled module proximate to the gas turbine such that the gas turbine equipment is exposed for connection to the gas turbine and a portion of the wall panels form a portion of an outer enclosure of the gas turbine and the gas turbine equipment.

Abstract: Method for filling a heat storage tank with solid elements having at least one first particle size greater than at least one second particle size, the method includingthe following steps: a) pouring a first quantity of solid elements of the first particle size into the tank, b) levelling said first quantity of solid elements of the first particle size so as to form a layer of a substantially constant height, c) pouring a second given quantity of solid elements of the second particle size over the layer of solid elements of the first particle size such that the solid elements of the second particle size flow between the solid elements of the first particle size and such that the elements of the second particle size are flush with the layer of the solid elements of the first particle size and so as to form an intermediate layer.

Abstract: A heat pipe structure and a manufacturing method of the heat pipe structure. The heat pipe structure includes a tubular body and a mesh body. The tubular body has a chamber. The chamber has a first side and a second side. A working fluid is contained in the chamber. The wall faces of the first and second sides are respectively formed with a first channel set and a second channel set. A first contact section and a second contact section are respectively formed at the junctions between the first and second channel sets and the wall faces of the first and second sides. The mesh body is disposed in the chamber and attached to the first and second contact sections. Accordingly, the thickness of the heat pipe is greatly reduced and the manufacturing cost of the heat pipe is lowered.

Abstract: A method for manufacturing a heat pipe with an ultra-thin capillary structure comprises the steps of: (a) preparing a hollow tube body, and pre-manufacturing a capillary structure that is shaped as a thin plate, the capillary structure having an adhering surface attached to a partial portion of an inner wall of the tube body and a forming surface that is opposite to the adhering surface; (b) disposing the capillary structure into the tube body so as to let the adhering surface be attached to the partial portion of the inner wall of the tube body for positioning; and (c) pressing the tube body in order to let the inner wall of the tube body urge on a partial portion of the forming surface of the capillary structure, and a vapor channel being formed between the capillary structure and the inner wall of the tube body.

Abstract: A method for manufacturing annular jewelry rings employing multiple annular elements, at least one of which is composed of tungsten carbide. All annular ring elements composed of tungsten carbide are produced directly from tungsten carbide plate. Using an electrical discharge machining apparatus employing a preformed cylindrical electrode, an aperture of predetermined diameter is drilled through a planar, tungsten carbide plate. Using a wire electric discharge machining apparatus, annular blanks are cut from the planar tungsten carbide plate, the outer surface of the annular blank being cylindrical and concentric with the inner, drilled surface of the annular blank. The inner and outer surfaces of the tungsten carbide annular blanks are cooperatively machined to allow additional annular elements composed of tungsten carbide and other materials to be integrally coupled to one another to form jewelry in the form of rings.

Abstract: The invention relates to a handheld power tool having a linear actuator (10) and a movable member (25), e.g. a blade, wherein the movable member (25) is directly connected to the actuator via a connecting rod (70), which pushes the movable member during a work stroke and pulls the movable member to a starting position during a return stroke. One end of the connected rod (70) is connected, via a concentric dual ball-and-socket joint, to the actuator as well as to a guide ring (80) that slides inside the cylindrical body (38) of the tool. Due to the arrangement of the invention, lateral and bending forces are taken up and transmitted to the body of the tool by the guide ring (80) without affecting the actuator. The ring (80) defines a sealed space that houses the actuator (10). An axial cavity of the connecting rod (70) partially houses the actuator (10) in the retracted position, thus reducing the length of the tool.

Abstract: A power hand tool comprising: a trigger (23); a motor (22); a blade (25) driven by said motor (22), an electronic circuit (10) for controlling the angular position or the speed of the motor (22) on the basis of the instantaneous position of the trigger. The electronic circuit (10) is arranged to detect a predefined movement sequence of the trigger (23) and to execute a function in response to the detection of such a sequence.

Abstract: [Object] To provide a cutter for a double-edged eyelid-forming tape or thread; after a double-edged eyelid-forming tape or thread has been attached to an eyelid, the cutter can perform cutting treatment on an extra portion of the tape or thread with a simpler manipulation in an extremely safe manner. [Solution] A cut c is formed in a thin metal plate so as to extend from its front end to its intermediate position. By bending a pair of cut pieces 23 and 24, which are divided by the cut c, in mutually opposite plane directions, a cutting part 21 is formed on the first end side of a cutter piece 20. A holding part 22 on the second end side of the cutter piece is embedded in a gripping piece 10 and is secured. Each cut piece is formed with a smoothly curved surface in a convex shape on the first end side from the terminating part of the cut through a bent front end 23a or 24a, whichever is applicable, to a bent width end 23b or 24b, whichever is applicable.

Abstract: A fabric circle cutter having a cutter base, a pivot pin assembly, and a blade assembly. The cutter base has a flat, smooth bottom surface with a turned up edge. The cutter base also has a raised base section which has a pivot point slide slot. The pivot pin assembly is slidably mounted on the raised base section and slidably mated with the pivot point slide slot which provides for selective positioning of the pivot pin assembly. The blade assembly has a rotary blade with a blade axis which is alined approximately horizontally with and approximately parallel to the center line of the pivot point slide.

Abstract: A portable zero clearance circular saw including a motor flame portion with a transverse oriented drive shaft and arbor coupled to the drive shaft, a handle portion with, a hand grip coupled to the motor frame portion aft end, a planar blade deck on a first lateral side, a movable blade shield rotatably mounted coaxial with the drive shaft and having a sidewall with a edge face coplanar with the blade deck, a trigger proximate the hand grip to move the blade shield, and a blade couplable to the drive shaft against the arbor, such that the blade outer surface is flush with the blade deck and blade shield sidewall. The handle portion may be rotatably coupled to the motor frame portion, and may include two laterally disposed blade shield triggers operably coupled to the blade shield via a dual pulley system.

Abstract: A power tool can have a compact power tool handle. A compact power tool handle can be used in a jigsaw, or any other power tool with a handle. Optionally, the power tool can have a compact power tool handle which has an AC compact variable switch which can control the speed of a motor of the power tool.

Abstract: A razor having a pivotable blade unit which is biased into a rest position by a biasing plunger. The razor includes a stabilizing bore in which a penetrating portion of the biasing plunger is configured to reciprocate. The largest cross-section of the penetrating portion has a shape which differs from the shape of the smallest cross-section of the stabilizing bore in order to lower the contact area between the penetrating portion of the biasing plunger and the stabilizing bore.

Abstract: A magnetically mounted template for identifying the optimum installation location for a door hardware device. The template has a working element that engages a cooperating door hardware device, for example, a working latch that engages a bolt. The template is particularly suitable for installing electrically operable door hardware devices, such as electric strikes, which require wiring as well as mechanical attachment to a door frame or door.

Abstract: The invention relates to a saw chain depth gauge filing template (1), comprising a first flat section (2) and a second flat section (3), wherein both sections (2, 3) are made from a single piece of flat metal, especially from sheet metal, wherein the first flat section (2) has a first bearing surface (4) for a cutter link edge (5) of a saw chain (6) to be filed, wherein the second flat section (3) has second bearing surfaces (7) for a drive link (8) of the saw chain (6), wherein the second surfaces (7) are established by an linear edge (9) in which at least two incisions (10, 11; 10, 11) are machined, wherein the second flat section (3) has at least one cutout (12, 12) for a part of the saw chain (6) to be sharpened by filing. Furthermore, the invention relates to a method for sharpening a saw chain by using such a saw chain depth gauge filing template. By the proposed concept filing of a saw chain becomes possible in a more precise way.

Abstract: A level for determining the orientation of a structure that includes a plurality of bubble vials that are secured within the level body in a manner such that, if any one of the bubble vials become broken or otherwise damaged, it can be easily replaced and the level need not be discarded. The body of the level of the invention includes an upper surface having a pair of viewing openings for viewing certain of the bubble vials and a lower surface having a pair of viewing openings for viewing certain of the bubble vials. The level also includes a bulls-eye level that is mounted on the upper surface of the level body and a plurality of magnets that are mounted on the lower surface of the level body for engagement with the structure to be oriented.

Abstract: An arm type three-dimensional measuring machine includes: a multi-jointed arm mechanism comprising a probe in a distal end; a processing part for computing a position of said probe; and an inclinometer configured to detect an inclination amount of a base part from a vertical direction in the base part for supporting the multi-jointed arm mechanism, wherein the processing part computes a position of the probe using the base part as a criterion and corrects the position of the probe using the base part as the criterion in a time-series manner based on an output from the inclinometer.

Abstract: A marking implement for a measuring apparatus in one example has a measuring extension with an upper surface with markings thereon and a lower surface. The marking implement in one example includes an upper clamp portion and a lower clamp portion having: a marking implement receiving device on the lower surface of the lower clamp. The marking implement in one example also has a hinge comprising the first hinge portion and second hinge portion and a clasp allowing for selective control of rotational movement of the hinge.

Abstract: A centrifugal moisture removal device includes a rotating mechanism and a fixing mechanism. The rotating mechanism includes a rotating bracket and a rotary driving member. The rotating bracket includes two sleeving portions. The fixing mechanism includes two positioning members, two clamping members, and two line driving members. Each clamping member includes a moving staff, an elastic member, and a sensing member. A first end portion of the moving staff passes through a sleeving portion and is mounted on a positioning member. The elastic member is sleeved on the moving staff. A first end portion of the elastic member resists the sleeving portion. A second end portion of the elastic member resists a second end portion of the moving staff. Each line driving member is set above the second end portion of a moving staff. The sensing member senses when the workpiece arrives at the positioning member.

Abstract: According to the hair dryer of the present invention, which is capable of adjusting the volume of unheated air discharged at the same time as hot air; the hot air is discharged through a first discharge outlet and, simultaneously, the unheated air is discharged through a second discharge outlet, and damage to hair caused by hot drying can be prevented by alternately using the hot air and the unheated air while the hair dryer is in use.

Abstract: The present invention relates to a cabinet for storage and drying of sports equipment and/or clothes. This cabinet has doors, an air circulation fan and an exhaust vent at the bottom, an intake vent at the top, and suspending means for suspending articles such as sports equipment or clothes. Turning on the fan activates active drying of the articles. Additionally, the present invention relates to a method of storing and drying articles comprising suspending the articles in a cabinet with doors, the interior of said cabinet comprising an air circulation fan and an exhaust vent at the bottom; an intake vent at the top; and suspending means for suspending the articles. The articles that are difficult or take more time to dry can be placed closest to the fan.

Abstract: The present invention relates to a cabinet for storage and drying of sports equipment and/or clothes. This cabinet has doors, an air circulation fan and an exhaust vent at the bottom, an intake vent at the top, and suspending means for suspending articles such as sports equipment or clothes. Turning on the fan activates active drying of the articles. Additionally, the present invention relates to a method of storing and drying articles comprising suspending the articles in a cabinet with doors, the interior of said cabinet comprising an air circulation fan and an exhaust vent at the bottom; an intake vent at the top; and suspending means for suspending the articles. The articles that are difficult or take more time to dry can be placed closest to the fan.

Abstract: A peripheral member having the temperature thereof controlled to a first temperature; a center member, which is not in contact with the peripheral member and has the temperature thereof controlled to a second temperature; a periphery placing member having the peripheral portion of the wafer placed thereon; and a center placing member having the center portion of the wafer W placed thereon. The periphery placing member and the center placing member respectively have shapes different from those of the peripheral member and the center member so as to correspond to processing distribution. A portion of the periphery placing member is heat-insulated by having a gap formed between the portion and the center member. A portion of the center placing member is heat-insulated by having a gap formed between the portion and the peripheral member.

Abstract: The present invention relates to a wardrobe for storage and drying of sports equipment and/or clothes. This wardrobe has an opening, an air circulation fan and an exhaust vent at the bottom, an intake vent at the top, and suspending means for suspending articles such as sports equipment or clothes. Turning on the fan activates active drying of the articles. Additionally, the present invention relates to a method of storing and drying articles comprising suspending the articles in a wardrobe, the interior of said wardrobe comprising an air circulation fan and an exhaust vent at the bottom; an intake vent at the top; and suspending means for suspending the articles. The articles that are difficult or take more time to dry can be placed closest to the fan. The wardrobe can have a rigid or flexible interior cavity and the flexible wardrobe can be capable of hanging on a rod and additionally can be packed in a bag with or without a kit with support poles and feet.

Abstract: The present invention relates to a cushioning sheet for improving body balance and blood flow. The cushioning sheet includes a base which has a plurality of first through holes formed therein, a plurality of cushioning members which support the base, have a first cushioning space for relieving pressure applied from the outside formed thereby, and further have a second through hole formed between the first cushioning space and the outside, and a sensing unit which senses at least one of temperature and pressure applied to a plurality of the cushioning members.

Abstract: A chamber for receiving a pressurized fluid may include a tensile member extending between a first chamber barrier layer and a second chamber barrier layer and including a plurality of tethers extending between the first tensile member layer and the second tensile member layer. The chamber may include stitching through the tensile member in a stitched region. When the chamber is pressurized with the pressurized fluid, a substantial majority of the first tensile member layer is separated from the second tensile member layer by a distance that corresponds to a length of the plurality of tethers. In addition, the first tensile member layer is held in contact with the second tensile member layer by the stitching in the stitched region, thereby forming an area of the chamber having a reduced thickness relative to adjacent portions of the chamber.

Abstract: Heel grip inserts and related methods are disclosed herein. In some embodiments, a heel grip insert may include first and second receptacles. The first receptacle may be to receive a heel of a foot, and may be defined by an under-foot portion, a back portion extending away from the under-foot portion, and opposing side portions joining the under-foot and back portions. The second receptacle may be to receive a heel collar of a shoe, and may be defined by the back portion and a lip portion, the lip portion angled away from the first receptacle. Other embodiments may be described and/or claimed.

Abstract: A water repellant footwear cover for insertion over cleated footwear including an upper component and a sole component. The upper component includes a foot insertion opening and the sole component includes several apertures, namely, two front through-holes for receiving a pair of front or toe cleats typically associated with cleated footwear, two rear through-holes for receiving a pair of rear or heel cleats typically associated with cleated footwear, a front cleat opening for receiving a group of front cleats, and a rear cleat opening for receiving a group of rear cleats. The upper component and sole component preferably are made up of a layered system of materials including an outer nylon layer, a middle neoprene layer, and an inner nylon layer.

Abstract: Sport footwear for practicing winter sports comprising a shell (11) made of a first thermoplastic material and comprising a toe flap (12) at the front and a heel flap (13) at the back, configured to couple releasably to the bindings of a ski or snowboard. The sport footwear comprises at least a flap protection cover (15, 16) releasably attached on at least one of, or both, said toe flap (12) and heel flap (13), and said at least one flap protection cover (15, 16) is made of a second thermoplastic material.

Abstract: Footwear having an upper section for extending over a wearer's foot, the surface having an opening, and an accessory having a projection received in the opening, and an accessory for footwear.

Abstract: An article of footwear may have an upper and a sole structure secured to the upper. The upper includes a base layer, a plurality of strand segments, and a deposition layer. The base layer has a first surface and an opposite second surface. The strand segments are located adjacent to the first surface and extend substantially parallel to the first surface for a distance of at least five centimeters. The deposition layer is deposited upon the first surface and the strand segments, and the deposition layer is joined with the first surface and the strand segments. The deposition layer is applied using a screen printing process. Different inks can be used during the screen printing process to form the deposition layer and an indicia layer.

Abstract: Described is a shoe pad for attachment to the outer sole of a shoe. The shoe pad includes a body having a first side configured for engaging a stepping surface and a second side configured for attachment to the outer sole of the shoe. The first and second sides are offset by a thickness of the body. A decorative wrap is attached to the body at least partially about an outer perimeter of the body in a direction transverse to the body thickness.

Abstract: A waterproof and vapor-permeable shoe, including: an upper assembly, which is composed of at least one upper and a waterproof and vapor-permeable functional layer internal thereto, a tread portion joined to the upper assembly below the upper assembly, at least one vapor permeation layer provided below the foot insertion space formed inside the shoe. At least one opening is provided lateral with respect to the shoe proximate to a region of connection of the upper assembly to the tread portion, the at least one opening being open toward a perimetric edge of the at least one vapor permeation layer. The shoe further includes, interposed between the perimetric edge and the at least one opening, selectively: at least one waterproof and vapor-permeable functional element, at least one functional portion of the functional layer.

Abstract: A retractable heel for a shoe is described herein comprising an upper heel body and a retractable lower heel body. The lower heel body is may be placed in at least two configurations. In a first configuration, with the lower heel body retracted, the upper heel body may contact the ground when the shoe is worn. In a second configuration, with the lower heel body not retracted, the upper heel body may not contact the ground when the shoe is worn, being prevented from doing so by the lower heel body.

Abstract: A traction enhancement device for installation to a sole of a shoe includes a generally rigid support layer having opposing first and second surfaces, an adhesive material coupled to the first surface of the support layer for coupling the traction enhancement device to the sole of the shoe, and a gritty material coupled to the second surface of the support layer for enhancing traction of the sole of the shoe.

Abstract: A ground engaging wear member is telescoped onto and releasably retained on a support member by a connector pin assembly extending through aligned openings in the wear and support members. A pin portion of the assembly is rotatable relative to the wear and support members between locking and unlocking positions in which opposite end tabs of the pin respectively block and unblock removal of the wear member from the support member. A drive bolt is threaded into an end or the pin and is connected to locking structure within the pin. Rotation of the bolt in one direction rotates the pin to and statically locks it in its locking position, while rotation of the bolt in the opposite direction rotates the pin to and statically locks it in its unlocking position.

Abstract: An electric fireplace, comprising a main body, a control panel, a control circuit and a driving mechanism; the main body includes a housing and a simulation device, the simulation device and the control circuit are disposed inside the housing, the simulation device, the control panel, the driving mechanism are respectively electrically connected to the control circuit; the control panel is pivot joint to an edge of the front wall of the housing; the driving mechanism is connected to the control panel to make the control panel with an unfold state and a fold state with respect to the main body, with a concealable control panel, the appearance of the electric fireplace is more like traditional firewood fireplace, and the consumers can get a better view of flame, the present invention is simple structural and easy to manufacture.

Abstract: In one aspect, an alphanumeric display assembly includes a printed circuit board (PCB), a plurality of light emitting diodes (LEDs) and a plurality of light reflecting cups. The PCB has a front side and a rear side and includes a plurality of holes extending through the PCB between the front and rear sides. The holes are arranged to form an alphanumeric indicium. The LEDs are mounted to the PCB on the rear side. At least one LED is mounted adjacent to each hole. The plurality of light reflecting cups are mounted to the PCB on the rear side. Each light reflecting cup covers the at least one LED and the adjacent hole, and is spaced from the at least one LED and the adjacent hole to reflect light from the LEDs through the holes so the alphanumeric indicium is visible from the front side.

Abstract: A system for illuminating a sports field covered with turf. The system includes: a plurality of light arrays configured to be positioned in a spaced-apart manner under a portion of the turf and oriented to emit light upwards through the turf; and a control system for selectively controlling activation of the light arrays to provide illuminated advertising on the sports field.

Abstract: Embodiments of the invention affix numbering indicators to clothing of competitors during competitive events. A strong magnetic attraction in conjunction with an interaction between a projection on the bottom surface of a top magnetically attractive member and a hole in the bottom magnetically attractive member resists movement of the numbering indicator, while allowing lateral repositioning. The two magnetically attractive members can be encased in a water-resistant material to prevent degradation or discoloration by exposure to sweat. A graphical layer affixed to the upper surface of the top magnetically attractive member can display a custom visual depiction, such as a brand logo or advertisement. Additionally, a transparent layer can be affixed to the graphical layer to protect it from degradation while also permitting a substantially clear view of the visual depiction.