Abstract: A novel lighting assembly that incorporates a high brightness light emitting diode (LED) in a compact assembly for further integration into a lighting device is provided. The lighting head assembly of the present invention provides several novel aspects that are all closely integrated to provide a unique assembly for incorporating a high brightness LED into a lighting device. In particular, the head assembly utilizes a two part contact plunger wherein the inner portion of the plunger is electrically conductive and the outer portion of the plunger is non-conductive and includes an aperture therein. The aperture is sized to allow the smaller, positive battery contact to pass through and contact the inner portion while preventing the larger negative battery contact from reaching the inner portion. This configuration thereby prevents the device from activating if the battery is installed in the reverse polarity.

Abstract: The present invention relates to a voltage reducing circuit for use with an LED flashlight. The LED flashlight according to the invention comprises a battery, a solid state light source having an on voltage less than the voltage of the battery, and a voltage reducing circuit in electrical communication with the battery and the solid state light source. The voltage reducing circuit is operative to reduce the voltage from the battery to a level that is slightly above the on-voltage threshold of the solid state light source. In this manner, power expended from the battery by the solid state light source is minimized such that the need for battery replacement is prolonged.

Abstract: A novel construction and method for manufacturing a flashlight housing is provided. The housing includes two interior compartments wherein a lighting assembly is installed into a first compartment and a power supply is installed into a second compartment. The lighting assembly includes two contacts that extend from the first compartment into the second compartment and are in electrical communication with the power source thereby providing power for the lighting assembly. The housing is configured to include a faceplate that is permanently sealed to the housing to create a positively sealed assembly that prevents infiltration of water or other contaminants into the housing.

Abstract: The present invention provides a lighting head assembly that incorporates a high intensity LED package into an integral housing for further incorporation into other useful lighting devices. The present invention primarily includes two housing components, namely an inner mounting die and an outer enclosure. The inner and outer components cooperate to retain the LED package, provide electrical and control connections, provide integral heat sink capacity and includes an integrated reflector cup. In this manner, high intensity LED packages can be incorporated into lighting assemblies through the use of the present invention by simply installing the present invention into a housing and providing power connections thereto.

Abstract: The present invention discloses unique flashlight head construction that includes an array of lighting elements individually arranged in a corresponding array of reflector cups. Each lighting element in the flashlight head of the present invention is individually contained within a single reflector cup that both collects and directs the emitted light while protecting the lighting element from damage. Further, the present invention provides a unique structure that facilitates the sealing of the flashlight head to enhance the manufacture of a durable and waterproof flashlight.

Abstract: Described is an apparatus for a motion activated decorative light connectable to a predetermined article. A housing connects the light to the article. A power source is positioned within the housing for energizing a light source. A switch is connected to the power source and to the light source so as to energize the light source responsive to motion. The housing comprises a material which allows light from the light source to shine through so that it may be seen by a person observing the moving vehicle, and preferably includes a fluorescent material excited by an LED which emits ultraviolet light. The light may comprise an ornamental shape for forming a visually perceptible light image when the light source is energized.

Abstract: A flashlight includes a tubular body in which an electric power supply is received and a cap is connected to an end of the body and a bulb assembly is received in the cap. The bulb assembly includes a first set of bulb and a second set of bulb. The first set of bulb has a first plate and the second set of bulb has a second plate, both of the two plates are connected to a negative end An optional member is rotatably connected to an outside of the cap and connected to the first plate and the second plate so that the first set of bulb and the second set of bulb are switched by rotating the optional member and alternatively in contact with an extension plate connected to a positive end. The user may choose either of the first set of bulb or the second set of bulb by rotating the optional member.

Abstract: A flashlight having a light-emitting diode light source with first and second leads extending therefrom, a power source, a power source frame enclosing at least a portion of the power source; a housing containing the light source and power source, a switch located adjacent the power source and operable to close a circuit including the light source and the power source, and wherein one or all of the following may be included 1) a keyring extension extending from a power source frame or the housing with the keyring extension having an opening whereby an article can be attached to the keyring extension and includes a keyring lock wherein upon exerting a force against the keyring lock, the keyring lock is opened to permit the article to be attached to the keyring extension; 2) the housing is comprised of translucent material; and 3) the housing includes at least one side cover which is not integral with the housing and the at least one side cover being selected from anodized aluminum, anodized metal, anodized met

Abstract: A flashlight with unique flashlight electrical connections, including a switch structure featuring a switch requiring a small amount of force, and a short stroke distance to actuate, attached to a member on which a circuit adding additional functions to the flashlight may be located. The member has conductive springs attached to either end that are used to complete the electrical circuit with the battery and the lamp, while their compressive force is absorbed by a housing protecting the switch structure. A conductive strip is used to improve the conductivity of the circuit in a metal flashlight which has been provided with an electrically resistive protective coating.

Abstract: A flashlight includes a body having batteries received therein and a first head and a second head are respectively connected to two ends of the body. Each head has a bulb and reflection hood assembly enclosed therein and electrically connected to the power supply of the batteries. A tube extends from an outer periphery of the body and a third head is connected to the tube. A bulb and reflection hood assembly is connected to the tube and enclosed by the third head. A switch is connected to the body and electrically controls the connection of the three bulb and reflection hood assemblies.

Abstract: A flashlight as disclosed to comprise a barrel, a tail cap, a head assembly, and a miniature lamp bulb holder and for providing interruptible electrical coupling to dry cell batteries retained within the barrel. One-way valves may be positioned at seal locations in association with passageways to allow venting of overpressure within the interior volume of the flashlight.

Abstract: A torch (10) has a magnet (56) in a passageway (54; 68). Movement of the torch (10) in a flicking motion sends the magnet (56) along the passageway (54; 68) to a position adjacent a reed switch (48). Actuation of the reed switch (48) by the magnet (56) turns on the torch (10).

Abstract: An advertising-effect display pen consists essentially of a top penholder, a bottom penholder, and a conjoint part, wherein a push bottom and a display illuminated mechanism are installedinside the top penholder having at least a battery, a spring, a circuit board, and at least a LED; the push button controling the circuit board enables the LED illuminated. The bottom penholder connects with the top penholder by the conjoint part, followed by removing at least a part of a layer material coated on the bottom penholder, the light emits towards the bottom penholder and the blank part being removed the material displays the emission of the light to obtain certain advertising effect.

Abstract: The present invention relates to a pen structure, more particularly, a pen with the functions of illumination and logo indication, which comprises a main body and an illuminant, wherein the lower portion of the main body is a pen instrument for writing and the upper portion is a housing member with a lateral aperture. The inner surface of the housing member is reflective. The illuminant consists of a transparent barrel, a LED, a push-button switch, a plurality of batteries and a tail cap. The functions of illumination and logo indication can be served respectively by the interactive reflection of the inner surface while placing the illuminant from different ends thereof in the housing member.

Abstract: A light source assembly comprises a dielectric body having an exterior surface and a light source mounted coaxially proximate an end of the dielectric body. A first electrical lead of the light source provides an electrical lead at an end of the dielectric body distal the solid state light source and a second electrical lead thereof provides an electrical lead at the periphery of the dielectric body. A resilient member improves electrical contact of the second electrical lead at the periphery.

Abstract: The present invention provides a unique dual mode, inline switch mechanism that is fully integrated into the rear cap of a flashlight assembly to provide a completely self contained and waterproof switching mechanism. The switch assembly further provides dual mode functionality including an ON position and a momentary ON position while also including a reliable OFF position that prevents the accidental activation of the light when the user desires that it remain off. The entire mechanism resides in the end cap of the flashlight assembly and includes an end cap structure that is designed to be rotatably attached to the end of a flashlight housing, a contact plate, a plunger and an elastomeric cover. The switch mechanism is fully integrated on the interior of the flashlight providing the highly desirable, fully contained, in line functionality.

Abstract: A xenon arc search lamp has a lamp beam focused by relative movement of a reflector by advancing or retracting it along its optical axis of symmetry on which the lamp is aligned. The battery and lamp assemblies are field replaceable without tools. The beam output is usable with a combination of filters to allow the most varied intensity and wavelengths for a particular application, such as smoke filled environments, infrared illuminations and underwater illuminations. The xenon arc lamp is oriented within the searchlight with respect to the reflector to provide the most uniform field of illumination on which the lamp is capable, namely with the anode of the lamp turned away from the forward beam direction in the reflector.

Abstract: A brightness-adjustable illumination device for manual use has a main body and an electric light source arranged in the main body. A manually actuatable operating element is arranged on the main body and controls the brightness of the light source. The operating element is adjusted by a linear sliding movement. wherein the operating element comprises an adjustable electric resistor for controlling an electric current intensity flowing through the light source. The adjustable electric resistor is a sliding potentiometer provided with a sliding contact secured on the main body. The sliding potentiometer has a winding movable relative to the sliding contact.

Abstract: A combination flashlight/candle lantern with a modified lower base designed to be used with the standard, metallic cover on a candle lantern. The modified lower base has an upper neck designed to selectively attach to the metallic cover. The modified lower base also includes an upward extending cavity and a transversely aligned candle platform designed to receive a tube candle. Formed on the opposite side of the candle platform is a downward extending lower cavity designed to receive a low profile flashlight assembly. The flashlight assembly includes a cylindrical-shaped housing designed to partially extend into the lower base. Located centrally on the housing is a longitudinally extending LED electrically connected to two side-by-side watch batteries. Attached over the lower opening on the housing is a combination lens/switch which, when rotated, controls operation of the LED. The flashlight assembly may also include a bail located on the base member opposite the combination lens/switch.

Abstract: A flashlight includes a conductive barrel, a lamp unit, a connecting device and a tail cap unit. The connecting device includes a conductive ring, an insulator seat, a conductive biasing member and a positioning cap. The biasing member is disposed in a retaining hole in the insulator seat, and is prevented from removal from the retaining hole by the positioning cap.

Abstract: A flashlight has a barrel formed with a conductive inner surface to retain batteries therein, a head attached to one end of the barrel and having a light emitting module retained inside the head, wherein two electrodes of the light emitting module are respectively and electrically contacted with one electrode of the batteries and the conductive inner surface of the barrel. A tail cap is provided to enclose the other end of the barrel, wherein the screwing rotation between the tail cap and the barrel determines whether an electrical loop is closed or open so as to control the activation of the flashlight.

Abstract: A light generating flashlight system device utilizes a large centrally located magnet which is mounted to slide past a magnet pickup or current induction wire which may be preferably mounted at a center point of travel in a tubular housing having a tubular chamber through which the magnet travels. A pair of elastomeric dampers are located each at the end of a support system sleeve which is sized to fit within a main housing to stabilize all internal support within a sealed unit. The result is a device which both facilitates the manual movement of the flashlight body so that the magnet slides past the center magnet pickup or current induction wire, and also conserves the residual momentum of the magnet once it has traveled past the magnet pickup or current induction wire by providing a bumper and spring to conserve some of the mechanical energy going in the other direction. Ninety second of manual activation enables about five minutes of illumination.

Abstract: A flashlight includes a conductive case constructed and arranged for incorporating a power supply including batteries, a head part coupled with the case via a bulb, and a switch assembly mounted in the case for turning the power supply on and off. The switch assembly includes a circuit board, a switch button at an edge of the circuit board, a display lamp for indicating amount of consumption amount of the batteries, a negative terminal and a spring fixed at one end thereof to the circuit board by soldering for connection to a negative battery terminal, and which contacts at an opposite end thereof a bottom end of the bulb. The switch is fixed to the case with a screw passing through a hole in the case such that the screw contacts the negative terminal, the negative terminal protruding from the switch assembly in a longitudinal direction at an upper end of the switch assembly, so that a negative current is transmitted to the spring via the conductive case, the screw and the negative terminal.

Abstract: A light device includes a light member coupled to a circuit board, a stationary conductor engaged in a bucket and coupled to the circuit board, a movable conductor disposed close to the bucket and received in a follower which is coupled to the circuit board and which may rotate the movable conductor to contact with the stationary conductor or to be supported on the peripheral wall of the bucket and to be disengaged from the stationary conductor. The conductors may each include two ends heads for engaging with each other or for separating the conductors from each other.

Abstract: A pedometer including a pedometer body having a measuring mechanism that makes a measurement of a number of steps walked and a display that shows the measurement result; an illumination lamp and a battery installed in the pedometer body; a window provided in the pedometer body so as to allow the light of the illumination lamp to illuminate the outside of the pedometer body; and a power switch provided on the pedometer body and operable from the outside so as to turn on and off the illumination lamp.

Abstract: A portable flashlight or lantern has a main body for housing a primary source of electrical power, such as batteries and a light bulb operationally connected to the batteries. A secondary housing is detachably secured on the main body for holding a spare set of batteries without electrically connecting the spare batteries to the light bulb. When the primary batteries are exhausted, the user disengages a coupler that holds the secondary housing and the main body together, removes the spare batteries and substitutes them for the old batteries.

Abstract: The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable of transmitting a signal to the microchip that the switch has been activated or deactivated. The microchip is in communication with the exhaustible power source of the electronic device and controls (i) the power on/off function of the device, (ii) at least one other function of the device in response to activation and deactivation signals from the switch, and (iii) an automatic shut off function in response to the receipt of an activation signal from the switch.

Abstract: A flashlight has a switch housing in between the battery compartment and reflector. The neck of the switch housing holds a lamp support at a central position within a reflector. An o-ring on the rear of the switch housing seals the battery compartment. The switch housing partially floats within the flashlight tube to allow for a slight adjustment of the lamp relative to the reflector to insure centering.

Abstract: A nail-driving tool includes a body and an illumination device detachably mounted to the body. The body includes a plurality of engaging members formed thereon, and the illumination device includes a casing having an engaging groove for releasably engaging with one of the engaging members of the body.

Abstract: A dual mode rechargeable flashlight includes a generally rectangular housing sized to be readily carried and operated in one's hand and having a pair of upper and lower frame members that receive and retain generally planar rectangular panels preferably made of anodized aluminum and which may be of selective colors and have indicia imprinted thereon. An integral charging system within the flashlight housing enables recharging of DC batteries connectable in circuit with a high intensity lamp carried within a reflector assembly at a forward lens end of the flashlight. A modular self-storing blade assembly facilitates connection of the charging system to an electrical outlet. A power pack support housing within the flashlight is accessible through an access door to enable insertion of a 6-volt DC battery power pack connectable in circuit with a high intensity long life LED carried within the reflector assembly.

Abstract: The present invention provides a unique dual mode, inline switch mechanism that is fully integrated into the rear cap of a flashlight assembly to provide a completely self contained and waterproof switching mechanism. The switch assembly further provides dual mode functionality including an ON position and a momentary ON position while also including a reliable OFF position that prevents the accidental activation of the light when the user desires that it remain off. The entire mechanism resides in the end cap of the flashlight assembly and includes an end cap structure that is designed to be rotatably attached to the end of a flashlight housing, a contact plate, a plunger and an elastomeric cover. The switch mechanism is fully integrated on the interior of the flashlight providing the highly desirable, fully contained, in line functionality.

Abstract: Disclosed is an LED flashlight using a high-luminance LED as a lamp. The LED flashlight has a conductive barrel, a conductive tail cap, and a head section. The head section includes a conductive head cap, an insulation case, a lamp module, first and second connecting conductors and a collimator lens. The conductive head cap is detachably coupled to a front end of the conductive barrel and has a transparent window. A front end of the insulation case is inserted into the head cap towards the transparent window. A slot is formed at an outer wall of the insulation case. The lamp module is assembled into an inner rear end of the insulation case and has an insulating substrate including an LED. An anode and a cathode electrode of the LED are formed at a peripheral portion of the lamp module. The lamp module has an insulating substrate formed at a rear surface thereof with a metal layer connected to a positive electrode of a battery.

Abstract: The present invention discloses an inline switch mechanism that operates in a reverse direction, making electrical contact as the flashlight head is unscrewed. The switch has an outer housing, an inner contact tube, a plunger, a contact spring, an insulator disk and a secondary spring. All of the components are electrically conductive with the exception of the insulator disk and outer housing. In the off position, the plunger floats, centered in the contact tube, with a contact end in electrical communication with the battery. A contact spring is disposed around and in electrical communication with the plunger. The insulator disk is on the back of the plunger supporting it and isolating it from the contact tube and is disposed between the plunger and the secondary spring.

Abstract: A portable illumination device for illuminating a target zone includes an outer frame having illumination means disposed at least partially therein, and attachment means for removably attaching the illumination device through desired objects, with the attachment means being formed integral with the outer frame. In a particular embodiment, the portable illumination device includes multiple light emitting diodes which are specifically positioned and directed to illuminate distinct target zones. The portable illumination device may be removably attached to a variety of regularly and irregularly shaped objects.

Abstract: An illuminating writing instrument useful for persons afflicted with hypotonia comprises: (a) a housing having a lower end and an upper end; (b) a writing core located within the housing, wherein the writing core has a first end which extends beyond the lower housing end and a second end; (c) a head having a first head end which operatively interfaces the writing core second end, and a second head end; (d) a force applying member which is operatively associated with the head; and (e) an electrical circuit which comprises in electrical connection: (i) a power source, (ii) a first switch electrically operatively associated with the power source, (iii) a second switch which is operatively associated with the second head end, wherein the second switch is capable of generating a signal responsive to force being applied to the writing core first end, and (iv) a multicolor indicator operatively associated with the first and second switches and capable of receiving signals from the first and second switches

Abstract: The invention concerns a pocket light or a, housing portion for a pocket light, which has different lamps for different purposes of use and which in particular is very simple in terms of its technical structure. A housing portion according to the invention for closing the housing of a pocket light having a primary lamp, a secondary switch and a housing, wherein the housing portion has at least one secondary lamp and a secondary switch for switching the secondary lamp on and off, is distinguished in that the secondary lamp is a laser diode or is connected in the circuit of the primary lamp in series in relation thereto and the secondary switch in the closed condition short-circuits the secondary lamp.

Abstract: The invention concerns a flash-light comprising a control membrane, one or several reserve batteries (20), an emergency lighting (22), display means, and a managing electronic circuit comprising: means for controlling the level of the batteries to display their charge level and switch the battery or batteries (20) on the emergency bulb (22) if the main bulb is connected but the level of the cells (12) is insufficient; means for controlling the bulb, the circuit displaying the bulb condition (in order/out of order) or a charge level of the batteries (12) when the flash-light is on; means for controlling the charge level of the battery or batteries (20) to connect the battery or batteries (20) on the cells (12) and for recharging it or them if the level of the battery or batteries (20) is insufficient, said supply being interrupted as soon as the level of the battery of batteries (20) is above a threshold.

Abstract: A flashlight has a pair of light emitting elements mounted on a pivotable switch actuator to place the light emitting elements in any one of an OFF position, a spot illumination position, and a flood illumination position.

Abstract: A flashlight in which a switch main body may be easily assembled by fitting parts for a top surface of the switch main body to be pushed upwardly for automatically and closely contacting an inside of the flashlight without using any additional element, and a lens is closely fixed to a reflection mirror of a head part so that the vibration may be prevented and the waterproof effect may be obtained, thereby improving the productivity and the reliability of the products. In the flashlight, a switch cover of the switch main body is integrally formed with a semicircular insertion plate, an upper body is formed with cut parts at both sides for matching an insertion plate of the switch main body with the cut parts, so that the insertion plate is inserted along the cut parts as a force is applied to the insertion plate, thereby simply assembling the switch main body into the flashlight.

Abstract: The present invention provides a novel waterproof head assembly specifically designed for LED light sources. The rounded end surfaces of the LED are exposed to the outside environment through apertures formed in a solid end wall of the head assembly. To prevent water from entering into the interior of the flashlight through the apertures, the present invention discloses filling the interior cavity of the head with a sealant which substantially entirely fills all of the gaps between the outside surfaces of the LED's, the inside surfaces of the apertures, and the inside surfaces of the open end of the head assembly.

Abstract: The present invention discloses a unique method of manufacturing a flashlight head assembly that is completely self-contained and includes a waterproof switching mechanism and an inline flashlight sealing assembly that is provided in an interior cavity of the flashlight. The sealing assembly is an integral component of the flashlight head thereby creating a monolithic waterproof seal. The method of assembling the flashlight head includes providing a housing having an outer wall and a front wall, inserting an interior mounting assembly that cooperates with the housing to form an interior cavity and filling the interior cavity with a sealant material.

Abstract: For illuminating or designating a darkened area, a device having at least two electroluminescent light sources that are independently set to be on, off or flashing. The color of the light emitted by each on of the at least two light sources is chosen do that the device can be used to project at least two different colors.

Abstract: A switch as for a flashlight selectively connects, for example, a solid state light source and a battery in the flashlight in circuit for causing the solid state light source to produce light. The switch comprises a pushbutton and a metal contact having a periphery that selectively contacts a housing, and a spring. Pressing the pushbutton moves the pushbutton and the metal contact to contact the housing. The metal contact may include a feature for centering the metal contact with respect to the pushbutton and thus with respect to the housing end. The switch may be disposed in a tail cap attached to a flashlight housing.

Abstract: A printed circuit board (PCB) for mounting LEDs in an LED flashlight and a flashlight incorporating the PCB. The PCB includes a circuit board having first and second conductors. The first conductor includes a first section and at least a second section at least partially surrounding the first section. The second conductor includes a first section positioned between the first and second sections of the first conductor and, according to one embodiment, a second section at least partially surrounding the second section of the first conductor. The flashlight includes a housing for receiving a power source, the PCB, LEDs mounted on the PCB, and a switch for turning the flashlight on and off.

Abstract: The present invention provides a unique dual mode, inline switch mechanism that is fully integrated into the rear cap of a flashlight assembly to provide a completely self contained and waterproof switching mechanism. The switch assembly further provides dual mode functionality including an ON position and a momentary ON position while also including a reliable OFF position that prevents the accidental activation of the light when the user desires that it remain off. The entire mechanism resides in the end cap of the flashlight assembly and includes an end cap structure that is designed to be rotatably attached to the end of a flashlight housing, a contact plate, a plunger, an insulator disk and an elastomeric cover. The switch mechanism is fully integrated on the interior of the flashlight providing the highly desirable, fully contained, in line functionality.

Abstract: A flashlight in which a switch main body may be easily assembled by fitting parts for a top surface of the switch main body to be pushed upwardly for automatically and closely contacting an inside of the flashlight without using any additional element, and a lens is closely fixed to a reflection mirror of a head part so that the vibration may be prevented and the waterproof effect may be obtained, thereby improving the productivity and the reliability of the products. In the flashlight, a switch cover of the switch main body is integrally formed with a semicircular insertion plate, an upper body is formed with cut parts at both sides for matching an insertion plate of the switch main body with the cut parts, so that the insertion plate is inserted along the cut parts as a force is applied to the insertion plate, thereby simply assembling the switch main body into the flashlight.

Abstract: A xenon arc searchlight or illumination system incorporates a high frequency/high efficiency electronic circuit that allows lamp ballasting and charging of the system battery to occur over a wide range of external DC power supplies. The tolerance to variations in the system battery voltage as well as external battery voltage are increased by providing logic control of the converter circuit through a programmed logic device. The intensity of the arc lamp is smoothly decreased or increased in a continuous manner from a maximum intensity to a minimum intensity beam. Ignition of the lamp at its minimum illumination levels is thereby permitted. The xenon arc lamp is uniquely oriented within the searchlight with respect to the reflector to provide the most concentrated and convergent field of illumination on which the lamp is capable, namely with the anode of the lamp turned away from the forward beam direction in the reflector.

Abstract: An electrical appliance having a removably securable switch device, a preferred embodiment of which is an illumination apparatus for being mounted to a firearm and which includes a switch device mechanically and electrically removable from an illuminator device. The removable switch device preferably includes two momentary switches which, when the switch device is mechanically and electrically secured to the illuminator device, may be manually actuated for causing energization of either of two light sources or of both light sources simultaneously.

Abstract: Light emitting gloves provide a source of light under poorly lit or dark conditions to facilitate the completion of tasks. Such gloves are particularly useful when the use of both hands is required, eliminating the possibility of one hand holding a light source such as a flashlight. Light emitting gloves are also of great utility when working in a tight area where there may not be room for a separate light source and the hand performing the task. The person wearing the gloves can be seen more clearly from a distance during periods of low visibility, enhancing safety.

Abstract: A flashlight with unique flashlight electrical connections, including a switch structure featuring a switch requiring a small amount of force, and a short stroke distance to actuate, attached to a member on which a circuit adding additional functions to the flashlight may be located. The member has conductive springs attached to either end that are used to complete the electrical circuit with the battery and the lamp, while their compressive force is absorbed by a housing protecting the switch structure. A conductive strip is used to improve the conductivity of the circuit in a metal flashlight which has been provided with an electrically resistive protective coating.