Abstract: A single combination task lamp and flashlight, providing separate flood and spot light beams, independently controlled in a three-state sequence by simple push button switches. The two kinds of light beams are produced by separate arrays of compact light emitting devices. both arrays are driven by a single, rechargeable battery powered electrical circuit that provides separate, regulated constant currents to the respective arrays of LEDs. the optics and electronics are constructed in a single, ruggedized, compact module. The module is enclosed within a slim, rugged housing and easily field replaceable with minimal tools.

Abstract: A light comprising an LED whose light intensity decreases as the angle from an axis of the LED increases, and a convex lens associated with the LED such that a beam width of the LED is concentrated by the lens into a narrower beam width, wherein the convex lens includes both a convex surface and a concave surface, and the concave surface is curved more sharply towards its edge than towards its center such that light is more evenly spread across the beam width of the lens.

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: The present invention relates to a flashlight with battery cartridge assembly which comprises a case disposed with a light source assembly and a battery cartridge assembly which is removably inserted into the case, wherein the battery cartridge assembly comprises a battery cartridge and an end cap which are fixedly connected with each other, and a switch is disposed between the battery cartridge and the end cap, and the battery cartridge is in a tubular shape for housing one or more batteries, and one end of the battery cartridge which faces the light source assembly is disposed with a first electric contact and a second electric contact, both of which are electrically connected to the light source assembly respectively, and the other end of the battery cartridge which faces the end cap is disposed with a third electric contact and a fourth electric contact, both of which are electrically connected to the switch respectively.

Abstract: A flashlight includes a flashlight head assembly that may be used with either one or two batteries. For use with one battery, a body receives a battery therein and the flashlight head assembly is secured to the body. For use with two batteries, an extension unit is secured to the body and the flashlight head assembly is secured to the extension unit. A switch assembly disposed in the body and electrically connected with the flashlight head assembly controls the delivery of power to the flashlight head assembly.

Abstract: A dual head lamp having a housing, a first head removably attached to the first end of the housing, and a second head removably attached to the second end of the housing. The first head includes at least one non-white light emitting diode configured to emit light with a wavelength of between 250 nm and 500 nm for fluorescent inspection. The second head includes at least one light emitting diode the emits light having a wavelength that is different than the wavelength of the light emitted from the non-white light emitting diode in the first head. The second head is preferably arranged to emit light in a direction opposite the direction of the non-white light emitting diode. A removable battery compartment is within the housing and configured to hold one or more batteries. A button in communication with a circuit allows for control of power to the light emitting diodes.

Abstract: Seven thermally and optically efficient LED units and two control units are disclosed. Flashlights utilizing these LED units and control units are also disclosed. Such a flashlight mainly includes a cylindrical housing, a cylindrical rear cap, one of the seven LED units, one of the two control units. Each LED units are interchangeable between different emitting colors. Each LED unit mainly comprises a metal base, a reflector if the metal base is not a reflector itself, a leadframe formed attaching one or more metal pins to a printed circuit board, one or more LED dies mounted on the metal base, optical material disposed over the LED dies, and an optional lens to further focus the light.

Abstract: Methods and apparatus providing a compact illumination device with interchangeable adaptable insert components and a light source heat sink feature are disclosed. A compact illumination device generates high quality illumination with interchangeable insert components enabling the illumination device to functioning independently or in conjunction with existing devices. The heat sink feature includes a heat sink module adaptable to single or multiple LED configurations to provide optimal light quality for differing applications. The heat sink feature provides optimal heat dissipation from the light source and circuitry to maximize functional life of both the components. The illumination device has multiple operational modes that are customizable for application-specific requirements and controlled through mechanisms fully integrated into the housing assembly.

Abstract: The light irradiation device of this invention intends to further facilitate an assembling procedure and to stabilize the quality as a product.

Abstract: A new and practical electrical torch. The electrical torch includes a canister, a beam cover connected to one end of the canister and a base connected to another end of the canister. The illumination device is installed in the beam cover. It is connected with a positive pole of the power supply. The electric switch is connected to a power supply in the canister. The electric switch includes a single-chip, N channeling MOST (metal oxide semiconductor transistor) and a diode connected in turn. Furthermore, the diode is serially connected with one discharge resistance and energy-saving discharge capacitance. An output pin of the single-chip is connected to a touch switch. The other end of the touch switch is grounded. Moreover, one end of a pull-low resistance is connected to the output pin of the single-chip. The other end of the resistance is grounded. Therefore, this type of electrical torch provides both lighting and may also transmit a warning signal.

Abstract: An LED inspection lamp has plurality of LED sources for emitting electromagnetic radiation at different peak wavelengths for causing visible fluorescence in different leak detection dyes. A lens is associated with each LED. Radiation passing through lenses is superimposed in target area at target distance. Another LED inspection lamp has plurality of LEDs emitting electromagnetic radiation at a peak wavelength. A lens adaptor has lens housing for attachment to LED inspection lamp with a single LED for causing visible fluorescence, and a lens. Substantially all of the radiation from the LED passes through the lens and is focused in a target area at a target distance from the lenses. LED spot lights have a similar configuration. The LEDs may produce white light from distinct LEDs or from white LEDs. The light may be a flashlight or fixed spot light.

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 flashlight includes a shell, a battery device held in the shell, a light emitting member installed on a front end of the shell, and a tail cap for the shell; the battery device includes a casing, and several single-part batteries held in the casing; the casing comprises two covering parts, which are joined together; the battery device further includes a socket on the casing; positive and negative poles of the battery device are exposed through front and rear ends of the casing respectively, and they are electrically connected with the sockets; a circuit board is secured in the tail cap, and electrically connected with the battery device; the circuit board has a built-in microcomputer controller to control power to the light emitting member; after a plug of a charger is inserted in the socket of the battery device, the batteries together will be charged through the charger.

Abstract: A coin shaped light-emitting device is disclosed and includes a light-emitting member formed by encapsulating and wiring a plurality of LEDs on a thin substrate, a constant current controller for operating the light-emitting member in constant current and causing the light-emitting member to emit bright light, and a shell for enclosing the light. A water-resistant arrangement is further incorporated into the light-emitting device. A coin shaped spotlight is further disclosed and is formed by connecting a plurality of light-emitting devices in series, in parallel, or in another configuration. The spotlight has advantages of increased reliability, energy saving, and prolonged useful life.

Abstract: A handheld fluorescent task lamp comprising a housing assembly having a housing and a tubular lens body enclosing compact fluorescent bulbs, an elongated spine configured for slidingly supporting the lens body, and a resilient bulkhead for cushioning the compact fluorescent bulbs in the lens body; an electronic ballast circuit within the housing comprising a power supply, a self-starting electronic driver circuit operable to start and run at least first and second CFL bulbs; a bulb accommodation circuit that enables operation of the electronic ballast circuit with either starter type or non-starter type and regardless whether one or both CFL bulbs are connected to the driver circuit; and an illumination assembly, wherein the CFL bulbs are oriented with respect to each other such that an enhanced forward emission field is provided.

Abstract: A portable multi-purpose illumination device that wraps into a compact shape for storage and includes a holding and storage device; a positioning member that is extendable and that is connected to the holding and storage device and around which at least a portion of the positioning member is wrapped for storage; and a light source housed within the holding and storage device and powered by connection to a power source which is at least one of (a) a power supply electrically connected via the positioning member and (b) a detachable battery housed within the holding and storage means. The positioning member is manually deformable and may be attached to various structures. The holding and storage device additionally features a retainer for various lenses and mirrors. The illumination device may be used to view a target object obscured from direct view by an intervening object by positioning the mirror appropriately.

Abstract: Active and spare battery holders are removably disposed within a battery compartment of a battery operated device such that battery cells in the active holder provide electrical power to operate the device, while battery cells in the spare holder are electrically isolated to prevent their discharge. In one embodiment, upon discharge of the battery cells of the active holder the cells of the active holder and the spare holder are exchanged, providing the active holder with fresh cells to operate the device. In another embodiment, the active and spare holders are simply interchanged, so that the spare holder becomes the active holder and the active holder becomes the spare holder. According to the latter embodiment, a unitary battery holder includes a first and second battery holder in a single unit, so that to interchange active and spare holders the unitary battery holder is reversed within the battery compartment.

Abstract: A flashlight has a lamp assembly with a number of different output states. The flashlight has an elongated housing defining a housing axis, and a control ring encompasses the housing and rotates on the housing axis. The control ring operates to change the output state in response to rotation of the element. A detent mechanism operably connects the control ring to the housing. The detent mechanism provides a number of different stable positions of the control ring with respect to the housing, and may provide a low profile by employing a thin sheet or wire spring compressing in an axial direction.

Abstract: The present invention generally relates to a lighted archery nock. The lighted archery nock generally includes an accelerometer, a replaceable battery, a light, a housing, and a controller that controls illumination of the light. The controller can control emission of the light to conserve battery life, and can respond to user input transmitted by tapping the nock to re-set the light. The housing is configured with a plurality of fingers that secure the replaceable battery.

Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.

Abstract: A novelty flashlight in the form of a sparkplug, with a set of LEDs (or other appropriate light emitting devices) included in the conventional “spark” emitting end of the plug. A battery source and micro-controller are included within the sparkplug housing and used to turn the LEDs “on” and “off”. In particular, the LEDs may be controlled to strobe at a rate that simulates the actual sparking of an automotive sparkplug. Alternatively, the pulsing of the LEDs may be fast enough such that the LEDs appear to be always “on”. An activation button is included on the outer housing the sparkplug for a user to control the operation of the flashlight.

Abstract: A safety warning light emitter (6) according to the present invention includes a button cover (12) tightly attached to a housing (8) at the bottom of an upper opening of the housing (8), a printed circuit board (20) located on the upper surface of a fixing member (30), the printed circuit board (20) having a light emission diode blink control chip mounted thereon, a push button (16) located on the printed circuit board (20), and a plurality of surface mounted device light emission diodes (26) connected to the printed circuit board (20). The fixing member (30) is fitted into the housing (8), while the surface mounted device light emission diodes (26) are positioned at the outside of the fixing member (30), and then the fixing member (30) is integrally fixed to the housing (8) by welding. A base (10), which has batteries (38) received therein, is coupled to the housing (8).

Abstract: The invention relates to a portable lighting device including a body having a battery compartment, a head coupled to the body, a light source coupled to the head, the light source requiring a first voltage, and a circuit coupled to the light source. The battery compartment is configured to selectively receive batteries of different sizes. The circuit converts voltages of different magnitudes to the first voltage.

Abstract: A glass breaking cap for flashlights, batons and the like is provided. The glass breaking cap has a cylindrical sidewall and a conical top portion. The conical top portion has an apex having an included angle between 86° and 136°. More preferably, the apex has an included angle of 106° to 126° with a preferred included angle of about 116°. Preferably, the glass breaking cap has male or female threads for replacing threaded end caps found on traditional flashlights and batons.

Abstract: The present invention provides a spontaneous electric energy storage hand tweak torch, comprising a lamp cap and a cylindrical casing. The casing comprises a front casing and a rear casing capable of being bi-directionally tweaked about an axis. The lamp cap is fixed on the front casing. The interior of the front casing is provided with an electric generator, an energy storage element, a circuit board and a control switch. The exterior of the front casing is provided with a push button corresponding to the control switch. The output end of the electric generator is connected with the input end of the circuit board via a lead. The output end of the circuit board is connected with the energy storage element. The rotating shaft of the electric generator is connected with the rear casing via a gear set. The present invention has a simple and compact structure as well as a regular and uniform profile. Besides, it is convenient to operate and therefore saves labor.

Abstract: A battery powered electrical appliance (100) operates using batteries (406, 408) of more than one size and provides preparedness information (120) which may be used to assist in preparing for an emergency or otherwise obtaining desired supplies. The electrical appliance (100) may be employed to provide a first task illumination function, at least a first visible signaling function, and an audible signaling function.

Abstract: A lighting device (30) having a housing (12) which includes a lamp means, a battery housing to receive at least one battery and a switch means to open and close a circuit between said lamp means and terminals of said at least one battery when located in said housing. Said lighting device includes a lanyard (110, 112) attached to said housing (12) characterised by said lanyard having a proximal end attached to said housing (12) and a distal end, whereby said distal end or a portion of said lanyard (110, 112) is adapted to be releasably attached to said housing (12).

Abstract: Disclosed is a method and apparatus for providing a solid state light emitter and driving circuitry integrated into a component module that will retrofit common incandescent light bulb applications. The disclosed embodiment is directed to the retrofitting of small flashlights using miniature bulbs, such as the Mini Maglite®. Because the emitter and driving circuitry cannot readily fit within the envelope of the bulb being replaced, the volume occupied by the module needs to be acquired from within the flashlight's interior, such as from part of the volume occupied by the reflector. In that case, the invention includes a replacement reflector supplied with the module. The invention provides that no original functionality of the flashlight is sacrificed. Consideration is also given to the conduction of heat from the light emitter and module.

Abstract: An improved flashlight includes a barrel, a light source and a variable length conductor. The barrel contains a plurality of batteries which may be arranged end-to-end. The light source is held in a holder. The variable length conductor is interposed between the plurality of batteries and the light source. The variable length conductor is configured to selectively electrically couple or de-couple the light source and the batteries. The holder of the light source may further be configured to move the light source substantially laterally relative to an axis of the reflector.

Abstract: A handheld flashlight includes a main body with a first and second end which also includes a power source within the main body. A light emitting source is attached to the main body proximate the first end. The main body includes a first switch operably attached to the main body proximate a second end and a second switch operably attached to the main body between the first end and the second end. The handheld flashlight includes circuitry within the main body that contains the first and second switches and connects the power source to the light emitting source through either the first switch or the second switch or both the first and second switches such that either the first or second switch can be manipulated independent of the position of the other switch to provide power to the light emitting source or interrupt power to the light emitting source.

Abstract: A combination for use in aligning a substantial point source of light with respect to an axis of a reflector is provided. The combination includes a reflector, a lamp bulb having a substantial point source of light, and a movable lamp bulb holder. The movable holder may be moved using an actuating member. The reflector has a first open end for emitting a light beam, a second end and an axis extending between the first and second reflector ends. The lamp bulb is secured to the movable holder and is disposed about the second end of the reflector. The actuating member is operatively coupled to the movable holder at an actuation interface for moving the substantial point source of light relative to the axis of the reflector and aligning the substantial point source of light with the reflector axis and the focal point of the reflector. Flashlights employing the combination are provided.

Abstract: An automobile auxiliary lamp includes a lamp and a connector. The connector is installed at a proper location of an automobile and connected with the terminals of related control devices of the automobile for receiving electricity supplied by the automobile, and the lamp is engaged with the connector. When a user operates a related control device of the automobile, the lamp will synchronously be triggered through a control connecting line to function and emit light, able to enhance warning effect of the automobile lamp. In addition, the auxiliary lamp can also be removed from the automobile to be independently used as a common illuminating lamp, enabling a user to use the lamp for various purposes.

Abstract: A battery powered flashlight is described that has a pivot contact with an off-center pivot point and/or battery polarization is described. The flashlight is configured to allow batteries to be dropped into place without interference with internal flashlight components.

Abstract: The present invention discloses a full color flashlight with high power LEDs. The flashlight is primarily composed of a full color LED module having LED chip set of different wavelengths, a control-circuit module, a function switch, batteries, and a barrel body. By controlling the LED chip set of different wavelengths through the control-circuit module, light beams of various colors can be emitted and uniformly mixed. The flashlight further comprises a function switch for changing the color of light and/or switching operation modes between a fast flash mode, a slow flash mode, a brightness control mode and un-lighting. Accordingly, the full color flashlight can be employed in different environments, for example, yellow or light blue light can be used at night to prevent the eyes from dazzling, and red flash can be as warning signal during traffic events; in conclusion, the present invention can be elaborate in the day-to-day life.

Abstract: A flashlight having a magnet incorporated into the electrical circuit of the flashlight. This flashlight may further include a flexible member which either is provided with a light or conducts light, which flexible member is also provided with a magnet for coupling with the magnet in the circuit.

Abstract: A safety light is mounted retractably in a handlebar of a bicycle and has a housing, a retaining clamp, a sleeve, a lamp assembly and a spring. The retaining clamp is mounted in the housing. The sleeve is mounted around the housing. The lamp assembly is mounted slidably in and selectively protrudes from the housing and comprises a lamp housing, a retaining post and a light assembly. The lamp housing is mounted slidably in the housing and has an inner end, an outer end and at least one lamp hole. The retaining post is formed on the inner end the lamp housing and is engaged by the clamp. The light assembly is mounted in the lamp housing and comprises a circuit board and at least one lamp. The at least one lamp is mounted on the circuit board. The spring is mounted between the lamp assembly and the retaining clamp.

Abstract: A flashlight includes a battery housing, a lamp seat, a lamp unit, a heat-conductive casing, and a heat-dissipating plate. The lamp seat is mounted on one end of the battery housing. The lamp unit includes a substrate having a first side provided with a metal layer, and an LED lamp mounted on a second side of the substrate opposite to the metal layer. The heat-conductive casing is attached to the battery housing, and is disposed around the lamp seat and the lamp unit. The heat-dissipating plate is sandwiched between the lamp seat and the metal layer of the substrate, and is in contact with the heat-conductive casing. Heat generated by the lamp unit is dissipated via the metal layer, the heat-dissipating plate, and the heat-conductive casing.

Abstract: A flash adornment includes a base, a shining mechanism held in the base, and an upper lid secured over the base; the base has several connecting holes near to the edge; the shining mechanism includes a circuit board, and light emitting elements; the circuit board has through holes facing respective connecting holes of the base; the upper lid has a hollowness, over which a transparent protective cover is secured; the upper lid has several fixing parts and posts on an edge of an inner side; each fixing part has a fitting room therein, which holds a respective one of the light emitting elements; the posts each have a hole, and they are passed through respective ones of the through holes of the circuit board; screws are passed through the connecting holes and into the holes of the posts to secure the upper lid to the base.

Abstract: A portable light including thermal protection comprises a thermally-conductive heat sink having a heat dissipating part and a heat collecting part; a light source having a surface thermally coupled to the heat collecting part of the heat sink; an electronic circuit for controlling the light source, wherein the electronic circuit is adjacent the heat collecting portion of the heat sink; and a thermally-conductive material between the electronic circuit and the heat collecting part of the heat sink for providing a thermally conductive path therebetween.

Abstract: A flashlight is provided. The flashlight includes a housing having a first end and a second end. A first light source is disposed at the first end of the housing. A second light source is disposed at the second end of the housing. A battery is disposed in the housing. A selector selectively couples the first light source and the second light source to the battery.

Abstract: An improved flashlight includes a barrel, a light source and a variable length conductor. The barrel contains a plurality of batteries which may be arranged end-to-end. The light source is held in a holder. The variable length conductor is interposed between the plurality of batteries and the light source. The variable length conductor is configured to selectively electrically couple or de-couple the light source and the batteries. The holder of the light source may further be configured to move the light source substantially laterally relative to an axis of the reflector.

Abstract: A long-range, high intensity handheld searchlight has several novel features that improve existing designs. The invention minimizes electrical penetrations to the handheld searchlight by having a magnetic ON/OFF switch. A heat sink is disclosed that is in thermal contact with the external housing without physically penetrating the housing. Additionally, when an external power source in required, power transfer is achieved by inductive coupling to further eliminate electrical penetrations that affect watertight integrity. Also disclosed is a lamp socket assembly for a handheld searchlight that has springs that act as floating contacts within a lamp socket hole. The springs provide proper alignment for the lamp that is critical to achieve a high-intensity light beam. A lamp is disclosed that has its electrodes adjacent to one another for easy installation and removal of the lamp. A shoulder strap is further disclosed to facilitate transportation and use of a handheld searchlight.

Abstract: A combination for use in aligning a substantial point source of light with respect to an axis of a reflector is provided. The combination includes a reflector, a lamp bulb having a substantial point source of light, and a movable lamp bulb holder. The movable holder may be moved using an actuating member. The reflector has a first open end for emitting a light beam, a second end and an axis extending between the first and second reflector ends. The lamp bulb is secured to the movable holder and is disposed about the second end of the reflector. The actuating member is operatively coupled to the movable holder at an actuation interface for moving the substantial point source of light relative to the axis of the reflector and aligning the substantial point source of light with the reflector axis and the focal point of the reflector. Flashlights employing the combination are provided.

Abstract: An audio visual homing marker includes a shock-resistant housing with a power supply, audio speaker and LED array inside the housing. A power switch is attached to the housing and the power supply. The housing includes a plurality of bulkheads that create a plurality of chambers. The power supply, the audio speaker and the LED array are each contained within separate chambers. The power switch is biased to the on position. The housing is a generally cylindrical polycarbonate structure and may be a transparent material. The LED array may include a plurality of LEDs attached around the perimeter of the housing. The audio speaker can be a siren or other loud speaker. The LED array may emit a visible or non-visible light. A variety of holders and dispensers make it easy to deploy the markers from a car or aircraft.

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 portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.

Abstract: A light beam generator having an extensible battery housing for accommodating batteries of different lengths. A preferred embodiment of a battery housing includes a first tubular member rearwardly extending from the light beam generator's light source housing and including first threads thereon, and a second tubular member in telescoping relation with the first tubular member, the second tubular member including second threads thereon threadedly engaging the first threads.

Abstract: A handheld flashlight includes a head that pivots relative to a body. At least two legs pivotally connect to the body at a fixed location along the body, and open into an extended, open or deployed position to support the head in an elevated position. In the closed or handheld flashlight position, the legs form a flashlight handle that is aligned with an illumination direction of the head and is shaped and sized to be held in the hand of an operator. Each of the legs may contain battery source holders for battery sources that connect to each other.

Abstract: A flashlight having a lock bar. The lock bar is positioned at an end cap of the flashlight, and is U-shaped with two ends. Both ends are captured within the flashlight in a first, closed position, and a second, shorter end is released in a second, open position. While in the open position, the lock bar may be looped around a structure, such as a carabineer, a hook, a keychain, or a belt loop. The lock bar may then be returned to the closed position and locked into place so that the lock bar stays latched to the structure.

Abstract: A flashlight in accordance with the present invention includes a chamber, end cap, head assembly and lamp holder assembly. The end cap includes a bowed tripod portion to facilitate standing the flashlight on a flat surface. The head assembly includes a reflector and a lens. In one embodiment of the invention, the head assembly includes an elliptical reflector. In accordance with another embodiment of the present invention, the flashlight having a elliptical reflector is matched with a negative or planar lens. In accordance with another embodiment of the present invention, the head assembly includes an hyperbolic reflector. In accordance with another embodiment of the present invention, the flashlight having a hyperbolic reflector is matched with a positive or planar lens. In accordance with another aspect of the present invention, the flashlight includes electrode connections which prevent the conduction of electrical energy from batteries which are improperly aligned within the flashlight.