Abstract: An apparatus for holding and viewing a fishing lure is provided. The apparatus includes a flexible, elongated rod having a first end and a second end. A light assembly is attached to the first end of the elongated rod. The light assembly includes a light source, a battery, and a switch, wherein the light source is electrically coupled to the battery through the switch. A fastener is attached to the second end of the elongated rod and is adapted to hold a fishing lure or bait. Alternatively, a magnet may be attached to the second end of the elongated rod. The elongated rod is a flexible wire adapted to wrap around a fishing rod, thereby providing visibility during low light and night time conditions.

Abstract: A system for dynamic distribution of bicycle lighting including a plurality of light sources coupled to and under operation of a controller. The controller controls power distributed to the light sources and provides dynamic illumination of the light sources according to bicycle operating condition data regarding the speed, angle of incline, angle of descent and geographic and terrain conditions in which the bicycle is operated.

Abstract: Electrical charging devices and assemblies are provided herein. An example device includes a housing tray having a sidewall extending perpendicularly from the housing tray, the housing tray being configured to hold a personal electronic device, the housing tray including an electrical connector interface that couples with a charging connector of the personal electronic device. Also, the device includes an electrical connector for electrically coupling with a DC source, the electrical connector capable of being placed in either a deployed configuration where the electrical connector can couple with the DC source or a stored configuration where the electrical connector cannot couple with the DC source.

Abstract: A system for illuminating a bicycle having a frame comprising a plurality of tubular frame members wherein each frame member has a plurality of orifices. The orifices allow light rays to pass from inside each tubular frame member to outside each tubular frame member. Bulbs for emitting light are adapted to fit inside the tubular frame members and are conductively coupled to a power source. The power source is sized such that the power source fits inside a vertically situated tubular frame member. A planar platform, having a length in one direction that is less than the inside cross sectional diameter of the vertically aligned tubular frame member, is sized so that the platform fits inside the vertical tubular frame member. The platform supports the power source and is positioned such that the power source can be installed and removed by a user.

Abstract: A multi-mode portable lighting assembly, such as a flashlight, is disclosed. The portable lighting assembly may include a plurality of lighting elements controllable by a plurality of switches. A first switch may be disposed on an outside portion of the portable lighting assembly and may therefore be accessible to a user under normal operating conditions. A second switch may be disposed within a compartment of the portable lighting assembly and may therefore be inaccessible to the user under normal operating conditions. The second switch may also be disposed on the outside portion of the portable lighting assembly. The second switch may have a plurality of positions and dependent on the selected position, the second switch may dictate the operation of the first switch with respect to the plurality of lighting elements.

Abstract: A solar powered cart is provided with a cabinet including a plurality of drawers, a plurality of doors, and a plurality of wheels mounted under the cabinet; a pivotal solar photovoltaic panel disposed on the cabinet and being capable of converting energy of light directly into electricity; a plurality of rechargeable batteries disposed in the drawers and capable of storing the electricity supplied from the solar photovoltaic panel; a controller electrically connected to the rechargeable batteries and capable of regulating charging and discharging of the rechargeable batteries and protecting overload; a transformer electrically connected to the controller for outputting DC voltage or AC voltage; and an air compressor disposed in the cabinet and electrically connected to the transformer, the air compressor being configured to output pressurized air.

Abstract: A mounting clip for attaching objects, such as flashlights to an article, includes a clipping portion dimensioned for attaching the clip to the article and an object mounting portion formed with the clipping portion. Objects of different widths are removably yet snugly grasped within the object mounting portion. The clipping portion includes upper and lower members defining a slot for receiving the article through a lip of the slot and frictionally securing the clip to the article.

Abstract: A combination reflector and LED conversion module for a non-LED flashlight includes a cup-shaped reflector including an interior with a reflective surface, an exterior, an open end, and an end opposite the open end; and one or more LEDs carried by the cup-shaped reflector adjacent the end opposite the open end. The combination reflector and LED conversion module replaces an existing non-LED bulb and reflector of a non-LED flashlight to convert the non-LED flashlight to a LED flashlight.

Abstract: A flashlight has a casing extending along an axis, formed with a screwthread, and holding a battery having two poles. A light-emitting diode has a light-emitting head and a first and second integral lead wires. A holder is formed with first and second separate throughgoing holes, a seat into which the holes open and in which the diode head is fitted with the first and second wires extending outward through the respective first and second holes out of contact with each other, a reflector adjacent the seat, and a screwthread. The holder is fitted to the casing with the screwthread of the holder operatively engaged with the screwthread of the casing and the first wire pressed directly against one of the poles of the battery.

Abstract: This disclosure relates generally to a personal lighting device for use by a person or which can be releasably mounted to a dog collar, and which includes a light component releasably attached to a mount. The light component comprises an upper portion and a lower portion. The upper portion comprises an outer shell with an ergonomic grip and a polished protective lens. The outer shell houses a series of LED lights that can be arranged equidistant from one another. The lower portion comprises a base with locking features for removably attaching the light component to the mount. The mount includes a receptacle that is sized to receive the base of the light component, and a locking mechanism including locking elements that cooperate with the locking features of the light component, and a spring steel flexure to form a spring biased locking mechanism.

Abstract: A flashlight holder for a brimmed helmet. The holder is formed of a body having a flashlight receiving section and a mounting section, the flashlight receiving section comprising a channel configured to repeatably and releasably retain a flashlight body and a coupling device, wherein the coupling device adjusts the friction between the flashlight receiving section and the flashlight body. The mounting section of the body of the holder includes a mounting slot engageable with the brim whereby the flashlight is held in a position beneath the brim substantially at the wearer's eye level and not extending substantially past the edge of the brim.

Abstract: A flashlight mount for use on helmets and on equipment is provided. The mount includes a light holder, a clamp and fastening device. The light holder is rotatably coupled to the clamp, wherein the clamp operates to retain the light holder in a user selected orientation, thereby preventing rotation of the light holder. The clamp further includes a top clamp portion and bottom clamp portion, wherein in some embodiments, they are hingedly coupled together on a first end and the securing device repeatably and releasably clamping the top and bottom clamp portions together on second ends of the clamp portions by use of a securing device, or the clamp portion are fixed for receiving a protrusion from equipment or a helmet with a securing device for securing the clamp to the protrusion or helmet.

Abstract: A lamp (10) constructed as a hand lamp and for static use. The lamp includes a lamp housing (12), a light source in the lamp housing, a lamp mounting (14) for mounting the lamp in a desired position on a surface and a universal joint (24, 26) coupling the lamp housing and the mounting together, whereby the lamp housing is universally adjustable in attitude relative to the mounting.

Abstract: A lighting device includes a first and second housing; the first housing has an inner threading and a first protrusion. The lighting device includes a second housing having an outer threading and a second protrusion. A user advances one protrusion over the other in order to activate the lighting device. The lighting device also includes an arm that is part of the first housing and a post that is part of the second housing. The arm and post prevent the first housing from rotating to a point where the threading of the housings release. The arm may be flexed inwards to prevent allow for the release of the first housing.

Abstract: An angle-adjustable lighting device includes a mounting device including a mounting base formed integral with or affixed to a pair of goggles, engineering cap, face shield or headphone and a plurality of arched retaining bars equiangularly spaced around the periphery of the mounting base and obliquely forwardly extending in direction toward each other, and a lighting device including a battery-operated LED, a switch operable to turn on/off the battery-operated LED and a rod member located at one lateral side thereof and terminating in a coupling ball that is detachably coupled to the arched retaining bars of the mounting device.

Abstract: An eyeglass light assembly is disclosed. The eyeglass light assembly includes an ultra lightweight and configurable eyeglass light adapted to removably and interchangeably attach to an eyeglass frame or to be integrally formed with the eyeglass frame. The eyeglass light is adapted to provide a multiplicity of angle, pivot, and rotation configurations for varied use and adaptation at directing emitted light from an eyeglass frame. The eyeglass light is adapted to pivot and bend in various locations. The eyeglass light provides for hands-free use when mounted. In one embodiment, the eyeglass light includes and a flexible stem upon which the light is coupled. The stem is further coupled to clip members adapted to couple to one another to secure the assembly to eyeglass frames.

Abstract: In some embodiments, a flashlight may include a tubular body and a finger rotation feature disposed on the tubular body. In other embodiments, a flashlight accessory may include a flashlight connector to removably attach to a flashlight, a finger rotation feature, and a finger trigger to activate the flashlight.

Abstract: A bicycle light for securing to a handlebar or other part of a bike, or to a rider's helmet, has an angled front face that allows use of a single, flat LED circuit board with one or more deep conic or parabolic reflectors positioned in front of the upper part of the board and one or more shallow reflectors in front of the bottom part of the board. This provides for both a spot beam produced by the deep reflector and flood light produced by the shallow reflector, in a compact and efficient assembly. Another important feature of the device is side lighting which can be independently controlled, important in affording the rider side lighting while in street traffic but the option to pulse or switch off the side lighting when riding on a trail.

Abstract: A multi-mode portable illumination device includes a switch structure featuring a substantially planar member and a mechanical switch which requires a relatively small amount of force and a short stroke distance to actuate. The mechanical switch is attached to a member which contains circuit(s) adding additional functionality to the multi-mode portable illumination device. 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 multi-mode portable illumination device which has been provided with an electrically resistive protective coating.

Abstract: A light and associated mounting body is disclosed which is suitable for mounting on straps of different widths. In a particular embodiment the body can be mounted to the strap, for example a collar or the like, without removing the collar from the object it is attached to.

Abstract: The invention is a light housing with a switch that holds an LED light that shines directly on the depth meter of a standard downrigger. In the present embodiment the housing is molded plastic shaped to conform to the particular downrigger that it is to be deployed on. Other embodiments are manufactured to specific downriggers and are comprised of a light housing and switch housing. The invention shines the light directly on the depth meter for the deployment of the downrigger in low or no light conditions to allow the user to deploy the downrigger using both hands for deployment while providing a light source to shine on the depth meter allowing for precise depth positioning and avoiding damage or loss of equipment. This lighted depth meter allows the user to quickly deploy fishing equipment.

Abstract: This invention relates to a training aid 10, 100 for a golfer. The training aid 10 mounts to a golfer's cap 24 or sunglasses and includes a battery powered collimated light source 12 in the form of an LED which is configured to emit collimated, visible light. The aid 10 further includes an electronic circuit which comprises a microcontroller 17 which is drivingly connected to the LED and an electronic orientation sensor 16 which is configured to sense the orientation of the LED. The circuit and LED are housed within a housing and a mounting formation is provided for mounting the training aid 10 to a user. In response to an orientation of the light source 12 sensed by the electronic sensor 16, the microcontroller 17 automatically interrupts emission of light when the training aid 10 is orientated outside of a predefined operative angular range.

Abstract: A flexible solar light includes a lamp portion, a main body portion, and a goose neck portion. The goose neck portion connects the lamp portion and the main body portion, which is flexible and configured to be bent in a shape and maintains the bent shape. The lamp portion and the main body portion are configured to form a portable flashlight, a light stand, a wall lamp, or a ceiling lamp by engaging or separating each other.

Abstract: A portable light includes: a cylindrical housing having a longitudinal axis and receiving a bezel and a lamp for projecting a light radially away from the longitudinal axis; and a cradle assembly including a clamp for receiving the cylindrical housing, wherein the clamp includes a plurality of features for engaging selected ones of corresponding features on the cylindrical housing to secure the cylindrical housing at a selected rotational position about its longitudinal axis with regard to the cradle assembly.

Abstract: A portable light includes an elongated housing having a longitudinal axis, a light source positioned within the elongated housing, and an attachment member movably coupled to the elongated housing to hang the portable light from a support structure. The attachment member is movable to a first position, in which the attachment member generally extends from the elongated housing in a direction parallel to the longitudinal axis, and to a second position, in which the attachment member generally extends from the elongated housing in a direction perpendicular to the longitudinal axis.

Abstract: A portable light may comprise: a light body having a light source near one end for emitting light in a substantially transverse direction; a switch actuator near the end of the light body for controlling the light source; and a stowable hanger affixed to the light body near the end thereof. The light body may have an external opening and a given cross-sectional shape and size for receiving a light source module having an exterior of the given cross-sectional shape and size. The light source module may comprise: a light source, a reflector, a heat sink thermally coupled to the light source, a lens, reflector, and a lens ring holding the lens. The portable light may also comprise: a clip extending adjacent the light body in a longitudinal direction, wherein the clip is rotatably mounted so as to be movable about the light body.

Abstract: A portable illuminating device is provided. The device has a rechargeable battery that can be re-charged using a wide variety of power sources, making is especially appropriate for use away from conventional power sources. The device can be connected to a wide variety of fittings that allow the device to be attached to users and to other objects. In some arrangements, the device includes a CPU that manages the power voltage and the temperature of the device so that its operation can be optimized.

Abstract: The present invention provides a lighting system for lighting the interior of an enclosure. The enclosure has at least one movable door or drawer for opening and accessing the interior of the enclosure. The lighting system includes a light assembly with a lower casing and an upper casing. The light assembly also includes a plurality of light emitting diode (LED) mounted within the upper casing, at least one battery mounted within the upper casing, electrical circuitry connecting the plurality of LED's to the battery, a means for mounting the lower casing to a surface, and a electrical receptacle mounted within the lower casing. The lighting system further includes a magnetic switch including an electrical cable or harness. The cable has an electrical plug configured to electrically mate with the receptacle of the lower casing. The magnetic switch has a means for mounting to an interior enclosure surface.

Abstract: A multi-spectrum emitting device includes one or more emitters configured to emit in a first spectrum and a second spectrum, a switching mechanism with at least two switching elements. configured to change an emitted light from a first spectrum to a second spectrum, and to change a blink pattern of emitted light. The first spectrum may be a non-visible light spectrum and the second spectrum may be a visible light spectrum. Devices may also include a unitary housing extending substantially upward and inward from a base of the device, the housing configured to emit light therethrough and to receive a power source for the device therein.

Abstract: A utility illumination device comprises a first end member, a second end member and a light tube coupled between the first end member and the second end member. The first end member has at least one faceted surface along an edge thereof. Analogously, the second end member has at least one faceted surface along an edge thereof. The illumination device further comprises an illumination assembly within the light tube that comprises a light source. The illumination device is manually adjustable to change the direction of light emitted from the illumination device.

Abstract: A lighting apparatus and method is disclosed for illuminating a surface using solid-state light emitting diodes (LEDs). The lighting apparatus consists of a plurality of LEDs arranged in an array form, a base for mounting the LEDs, an electrical power supply, and a fixing means for attaching said lighting apparatus to a surface to provide an upward lighting. In some embodiments disclosed in the invention, the base has a shaped surface. In other embodiments, a lensing means is provided. In some embodiments, the LEDs are mounted at an angle. According to the present invention, a method for providing an upward lighting to a surface using LEDs is provided, wherein the lighting apparatus is attached near the bottom of the surface to be illuminated and the angle between the plane of said surface and the center of the light beam from the LEDs is less than 45 degrees.

Abstract: The lighted road cone has a base and an elongate hollow pyramidal body having a plurality of faces extending upward from the base. A column of lights is disposed on each face of the pyramidal body, the lights extending from proximate the base upward to proximate a top portion of the hollow body. A controller turns the lights on and off. Preferably, each column has a pair of red lights near the base of the device, an intermediate pair of blue lights disposed upward from the red lights, and then a pair of red lights disposed upward from the blue lights. A top dome light may be disposed on the top of the hollow body. The lights may be prismatic in shape. Alternatively, the lights may be arranged in polygonal layers that circumscribe the pyramidal body.

Abstract: A flexible solar light includes a lamp portion, a main body portion, and a goose neck portion. The goose neck portion connects the lamp portion and the main body portion, which is flexible and configured to be bent in a shape and maintains the bent shape. The lamp portion and the main body portion are configured to form a portable flashlight, a light stand, a wall lamp, or a ceiling lamp by engaging or separating each other.

Abstract: Apparatus for mounting accessories to guns. Some embodiments provide gun mounts each including a body and a magnet to magnetically couple the mount to the gun. The bodies are shaped and dimensioned to mechanically retain the accessories (which can be flash lights). The magnets are mechanically coupled to the bodies (and can be an integral portion thereof) and cause magnetic fields. Given the shapes and dimensions of the bodies, the positions of the magnets relative to the bodies and relative to the barrels of the guns when the bodies abut the barrels, the magnetic field strengths are within a range sufficient to releasably and magnetically couple the magnets and the barrels. In some embodiments the magnetic field strengths are sufficient to limit the ranges of motion of the mounts relative to the guns during the shock created by firing the gun.

Abstract: A portable work light clamp system includes a first clamp handle assembly having a proximal end, a mid section and a distal end and a gripping/standing member rotatably coupled to the proximal end of the first clamp handle assembly, a second clamp handle assembly having a proximal end and a distal end and a gripping/standing member rotatably coupled to the proximal end of the second clamp handle assembly, a light assembly coupled to the distal end of the first clamp handle assembly that includes a swivel base member and a light housing pivotally coupled to the swivel base member by a light pivot to selectively pivot 50 degrees about a longitudinal axis of the light pivot and a light base coupled to the swivel base member and rotatable relative to the light base by a swivel connector to selectively rotate 360 degrees around a longitudinal axis of the light base.

Abstract: Systems and methods for lighting body panels of automobiles to facilitate repair of the body panels, where one embodiment is a portable lighting apparatus that includes a light board, a base and an extension member that connects the light board to the base. The light board is supported by the extension member, which is supported by the base. A battery in the base provides power through conductors in the extension member to light sources in the light board. A slip ring in the extension member couples the conductors together so that they can rotate, thereby allowing the light board to rotate with respect to the base, without twisting the conductors. A suction cup mount on the base enables the base to be secured to an automobile body panel, and the extension member allows the light board to be positioned as desired.

Abstract: A portable lighting system and method of use comprising a light up frame or housing, and the light up frame or housing can be worn as a hairpiece or hairclip to support and project lights and/or a halo of light from it, while applying make-up or grooming. The system can include a removeably attached mirror. Further, the mirror alone and/or the portable lighting system and/or light up frame or housing can be attached to numerous surfaces or even worn around your neck.

Abstract: A fastening device includes a clip 14 with a first clip member 22 and a second clip member 24. The second clip member 24 is resiliently pivotable relative to the first clip member 24, such that a flat object may be resiliently clamped between the first and second clip members 22, 24. The clip 14 comprises a strap holding portion 30, where a first end of a flexible strap 16 is held within the strap holding portion 30. The clip 14 further comprises a strap receiving portion 32 arranged at a distance from the strap holding portion 30. The strap receiving portion is shaped to receive a portion of the strap. By use of the fastening device, an element, and in particular a lighting device 12, may be alternatively fixed to another element by the flexible strap 16 or may engage a flat object within the clip 14.

Abstract: A magnetic control illumination device comprises: a lighting member and a fixing base connecting with the back surface of the lighting member, the lighting member has at least one lighting component, a battery, a control circuit with a magnetic reed switch, the fixing base has at least one tenon structure and at least one powerful magnet. The magnetic control illumination device can be disposed in an umbrella, bicycle or safety helmet via buckling ring or powerful magnet, and control illumination function by means of the magnetic reed switch.

Abstract: A lampshade comprises a support seat, a reflector, and a cover. The support seat includes a frame and a clamping unit, the frame defining a central space, the clamping unit having two opposing connection bars attached to the frame and two grasp portions each being provided at one end of a corresponding connection bar. The distance between the two grasp portions is adjustable. The reflector is placed on top of the frame and has a reflective surface that can be fitted through the central space of the frame. The cover is placed on top of the reflector and fastened to the frame from a side opposite to the clamping unit. Accordingly, when a lighting device, such as a flashlight, is clamped by the lampshade, the light emitting from the lighting device can be reflected by the reflector to diffuse into the surrounding environment so as to increase the illuminating range.

Abstract: A force-spreading clamp including a tubular body having a longitudinal opening for receiving at least a portion of a generally cylindrical object and a wall encircling the longitudinal opening, a gate including a clamping member positioned within the longitudinal opening and having a contact wall for distributing clamping force along a surface of a generally cylindrical object, a guide mechanism being configured to maintain alignment between the gate and the tubular body, and an actuator configured to actuate the gate in a radially inward direction with respect to the tubular body wall to cause the clamping member to apply clamping force to a generally cylindrical object.

Abstract: A self-contained illumination device (10) for attachment to a container, e.g. to the base of a bottle, comprises a printed circuit board (12), with LEDs (14) attached to the central region of a liquid-impervious flexible pad (11). The central region is surrounded by an annular adhesive region which is arranged to attach the pad to the container in liquid-tight manner. The pad comprises a base layer (32) of plasticized paper or PVC, covered by an adhesive layer (34) and, before attachment to the container, a peripheral layer (36) of a release paper.

Abstract: A picture illuminating device for mounting on the wall above the picture, or on the back of the picture frame. The device utilizes a light emitting diode (LED) or array of LEDs or light tube with LEDs to produce uniform lighting and is powered by conventional or rechargeable batteries which eliminates the requirement of electrical outlets and the spectacle of exposed electrical cords extending down the wall. The device is composed of a stem and a shade. The shade houses the LED or array of LEDs or light tube with LEDs, batteries and the electronic circuit that converts the direct current from the batteries to the current required to power the LED or array of LEDs or light tube with LEDs. The shade may or may not include a reflector which is configured to mount the LED or array of LEDs or light tube with LEDs and batteries so that the shade covers the LED or array of LEDs or light tube with LEDs adequately to prevent any glare from the front while presenting the look of a conventional, corded picture lamp.

Abstract: In one aspect, the present invention relates to an illumination system including a power source, a light source electrically coupled to the power source, and a light sensor electrically coupled to the power source and the light source. The light sensor activates the light source responsive to a pre-determined minimum-lumen threshold being reached. The illumination system is placed inside an interior of a dark area.

Abstract: A night-light comprising an elastic cover for mounting on a door handle and circuitry for activation and deactivation of a light source.

Abstract: A handheld illumination device contains a body held by a user and including a through hole defined in the body, a connecting portion formed on a front end of the body, and a holding portion arranged on a rear end of the body; an operating member including a working segment defined on a front end thereof, a shank formed on a rear end of the operating member and inserted into the connecting portion of the body, the shank having a groove defined therein and communicating with the working segment; a lamp module fixed in the holding portion of by using the seat in which a light-emitting element, a battery pack, and a control button are disposed, the light-emitting element emitting light via the through hole and the groove so as to illuminate an work position relative to the working segment of the operating member.

Abstract: Mounting brackets hold solar-powered lanterns such as used for garden and pathway lighting. The lanterns make useful hand held lighting if they are releasably mounted in the mounting bracket where they will get sunshine for charging and where a user will often need to use a lantern. They may be mounted for example beside doors or on fence or gate posts, or on walls such as the outside walls of buildings or enclosures such as storage sheds, metal storage containers, etc. A user has no trouble locating the closest lantern after dark as the lanterns automatically turn their lighting elements on when it gets dark. The user may then merely pull the lantern by its stalk, which now serves as the lantern handle, and the resilient tongs of the mounting bracket releases the lantern.

Abstract: A small, lightweight, illuminable, wearable, clip-on safety light device that resembles a decorative seasonal or ornamental attachment to apparel or personal items which incorporates a series of LED's or other means of producing bright light capable of being operated through multiple modes of operation, such as sequential, random, continuous, and the like. The light is capable of being seen a distance away from the wearer, and will draw the attention of the human eye, thereby making the wearer more visible at night or in low light conditions.

Abstract: A flashlight holding cradle device and method of making it, in which a semi-circular sleeve forms a cradle to hold various sizes of conventional flashlights. The cradle sleeve is manufactured by method of mold injection. A metal, two-piece casting mold of the cradle sleeve is produced and then injected with plastic material. After the injected material is separated from the metal casting, the cradle sleeve's semi-circular shape is formed. Two parallel slots on each side of the cradle and a hole in the cradle base are also formed during the mold injection process. The cradle sleeve is then over-molded with rubber material which gives the cradle a non-slip durable surface texture. A hook and loop (Velcro™) type of tension strap is fastened to the rigid frame section that is formed between the two sets of parallel slots located on each side of the cradle.

Abstract: A portable, battery-operated flashlight having improved pivoting, switching and focusing features is disclosed. In one aspect of the invention, the flashlight takes the form of an attachment to a head gear for hands free use. In another aspect of the invention, the flashlight takes the form of a head lamp held in place on a user's head by an elastic band. The pivot connection between the body and the base, as well as the serrations on an exterior surface of the body, allows a user to adjust any angular direction of the light as desired. In another aspect of the invention, the flashlight takes the form of a long-handled flashlight having improved switching and focusing capabilities, such that axial movement of the switching assembly turns the flashlight “on” or “off,” as well as causing a position of the lamp to vary in order to focus or defocus the light.