Abstract: An electric torch includes an enclosure for housing at least two battery units, a head portion, a front connecting unit secured to a front end of the enclosure, and a rear connecting unit secured to a rear end of the enclosure opposite to the front end. The front connecting unit and the rear connecting unit are electrically connected to opposite terminals of the at least two battery units, to connect the at least two battery unit in serial or parallel, or in combination of serial and parallel connection to act as the power supply of the electric torch. The power supply includes a first electrode and a second electrode with the polarity thereof reverse to the polarity of the first electrode.

Abstract: A method for making a flashlight housing comprises providing a blank of an electrically conductive material, impact extruding the blank of electrically conductive material to form an elongated hollow member that has an internal cavity open at a first end and that has a reduced inner diameter portion proximate a second end thereof, and coating the elongated hollow member with a coating material. The flashlight housing may have a tail cap, and may have O-rings for sealing at the rearward end of the tail cap, at the forward end of the housing, and/or at the interface between the housing and the tail cap.

Abstract: A radially uniform spring-biased intra-pole plug connector and transformer outside the trunk configuration for an electric artificial tree is described. The radially uniform plug comprises a springed-tip and a prong, and allows the tree trunk segments to be connected at any point along their 360 degree circumference. The plug connector resembles the structure of a car cigarette lighter. A mold is used to sandwich the plug within the trunk. A plug portion of the plug connector is housed in one trunk segment, and a receptacle portion is housed in a different trunk segment, such that when the trunk segments are assembled, the plug is connected, illuminating the tree. The plug allows the electrical wiring to be hidden and housed within the trunk, providing safety, convenience to the user and giving the tree a cleaner appearance. The transformer outside the trunk configuration makes the trunk safer, more lightweight and less bulky.

Abstract: A lighting device with improved optical performance and efficiency is provided. The lighting device includes a source of energy, a light source, a reflector and a holder. The reflector has a first open end, a second end, and a parabolic profile extending between the first open end and second end. The focus of the parabolic profile is located outside of the profile. The reflector may also be movable relative to the light source. The lighting device may include a circuit that delivers a pulsed or thermally compensated pulsed current to the light source. The light device may also include a heat sink housing.

Abstract: A portable light or other device having a safety lock may comprise: a light body for receiving a source of electrical power; a light head including a light source for producing light and engaging the light body; and a lock mechanism engaging the light body or the light head and including a threaded member and a lock member. Rotating the threaded member moves the lock member radially relative to the light body and light head for engaging the lock for preventing removal of the light head from the light body unless the lock mechanism is released by a tool. A lock support may be disposed for supporting the lock member when the lock mechanism is engaged. The lock mechanism may be retained on the light body or the light head when the lock mechanism is engaged and when the lock mechanism is released.

Abstract: Embodiments provide a flashlight with a bezel configured to be moved relative to a body of the flashlight to adjust the focus of the light. A locking assembly may be disposed within the bezel and configured to switch between an unlocked position and a locked position if the bezel is rotated with respect to the body. The locking assembly may include a ring-shaped outer component having first and second curved walls separated by a gap. The locking assembly may further include an inner component coupled with the light assembly, the inner component including a nub configured to be disposed in the gap if the locking assembly is in the unlocked position, and to radially push an outer surface of the outer component against the inner surface of the bezel if the locking assembly is in the locked position.

Abstract: The present invention relates to a cylindrical flashlight and a ring element for use as a roll-away safeguard of a cylindrical flashlight. In order to prevent a cylindrical flashlight from rolling away, the invention proposes a cylindrical flashlight having a ring element that is connected to the flashlight and has radially protruding elevations which have surface sections that are arranged at a distance from the surface of the cylindrical flashlight in some areas in the assembled state. Also proposed is a ring element for use as a roll-away safeguard of a cylindrical flashlight, which can be detachably connected to the flashlight and has radially protruding elevations which have surface sections that are arranged at a distance from the cylindrical surface of the flashlight in the assembled state.

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 portable distress light including a plurality of light emitting diodes (LED's) and a light mode switch to power the diodes so as to provide at least one of, and preferably at least two of, a flashing white light, a flashing infrared light, a flashing blue light, a flashing colored light, a steady colored light, and a steady white light. The LED's are segmented into two circuits, each circuit strobing the respective LED's, where the additive illumination of the LED's creates a single extended illumination period and a respective single dark period. The single extended illumination period can be generated by a series of quick illuminating cycles of the LED's of each of the two circuits, thus providing multiple illuminating pulses to create the single extended illumination period.

Abstract: A flashlight zooming structure includes a main body and a zooming assembly screwed on one end of a neck of the main body and configured as follows. A transparent lamp cup is received in a cup seat. The cup seat has outwardly extending lugs respectively received in channels formed on the inner periphery of the cap. A ring has oblique notches respectively connected with the lugs of the cup seat. A middle annular element has projections respectively fitted in recesses of the ring and has hooks respectively engaged with engaging grooves of the cap. To illuminate a distant or nearby target, the zooming assembly is rotated in the desired direction so that the light emitted by a lighting unit at one end of the neck of the main body is projected outward through the transparent lamp cup as a convergent or divergent light beam.

Abstract: A light head structure with adjustable focal length and a lighting device thereof. The light head structure includes a base, a threaded collar and a soft lens. The threaded collar has an assembling section, a receiving space for receiving the base therein and a protrusion section formed on an inner circumference of the threaded collar. The base has a recess for receiving a light-emitting element therein and an outer connection section for movably assembling with the assembling section. The soft lens has a focusing section in alignment with the light-emitting element. The focusing section has an extension section. The protrusion section of the threaded collar abuts against the extension section to attach the extension section to the outer circumference of the base. The thickness of the soft lens is adjustable to change the focal length and enhance the illumination. The lighting device can be easily manufactured to lower manufacturing cost.

Abstract: A light producing device, such as a flashlight, may have a clip that is removably attached to a body thereof. The clip may comprise a split ring that substantially encircles the body and has a split therein and may also comprise an elongated portion having a proximal end and a distal end. The elongated portion may be attached to the split ring substantially opposite the split. The clip may be readily removed from the body, such as to better facilitate hand holding of the light producing device, to facilitate maintenance or repair of the light producing device, and/or for storage/transportation of the light producing device.

Abstract: A battery powered device comprising a housing having a battery compartment apparatus disposed therein, with the battery compartment apparatus being configured to accept at least one battery. The battery compartment apparatus comprises a battery carrier and a locking hold down mechanism. The carrier is slidably mounted in the housing. The locking hold down mechanism responds to insertion and withdrawal of the carrier into and out of the housing by locking the locking hold down mechanism against the battery, thereby preventing undesired displacement of the battery within the housing.

Abstract: A flashlight apparatus including a body portion formed from a woven material, the body portion having a longitudinal length and forming at least part of an adjustable cavity for containing at least one battery, and a head portion coupled to the body portion and having at least one of an illumination source for providing illumination and a connector for connecting the flashlight to another device. Accordingly, the flashlight can supply power to the another device. The body portion can adjust (e.g., its length and diameter—or area) to the size and number of battery cells contained therein.

Abstract: A battery includes a battery case including battery chemistry for supplying electricity, a first end, and a second end opposite the first end; a first positive terminal, a first negative terminal, a first conductive communications link, and first insulators electrically isolating the terminals and link at the first end, and together form a first terminal configuration; a second positive terminal, a second negative terminal, a second conductive communications link, and second insulators electrically isolating the terminals and link at the second end, and together form a second terminal configuration, wherein the second terminal configuration is a mirror image of the first terminal configuration.

Abstract: A multipurpose lighting device comprising a flashlight end, a lantern end including a barrel through which light may pass, and a module mounted between the flashlight end and lantern end. The module includes a first light source configured to direct light out the flashlight end, and a second light source configured to direct light out the lantern end. The second light source is disposed on an opposite end of the module from the first light source. The module further includes a power source configured to energize the first light source and second light source, wherein the second light source is oppositely disposed on the module from the first light source.

Abstract: An illumination device for providing synchronous forward and backward lighting is disclosed. The illumination device includes a light housing of a predetermined shape and an illumination light source provided in the light housing. Also provided in the light housing is a reflector having a front section and a rear section, each of which sections forms a flared reflective area. Light emitted by the illumination light source in the light housing is reflected by the reflective areas of the front and rear sections of the reflector and hence directed both forward and backward, so as for the illumination device to provide wide-range lighting when in use.

Abstract: Disclosed is a method and apparatus for providing a light emitting diode and driving circuitry integrated into a component module that will retrofit common incandescent lightbulb applications. The disclosed embodiments will perform with high efficiency at a wide operating voltage range with a very small size allowing for the incorporation within the envelope and form of existing lightbulb bases. Therefore, a single universal LED light bulb module can be used to replace the dozens of conventional LED and incandescent lights currently being used. The electronic circuitries used to drive the LEDs are extremely compact and consequently can be incorporated in nearly any standard bulb base.

Abstract: A multipurpose lighting device comprises a module including a first light source for a flashlight function and a second light source for a lantern or omni-directional glow stick function. A button on the module is operative to selectively alternating between the first and second light sources. An elongate housing is coupled to the second light source so that the second light source illuminates along the length of the housing. Finally, a whistle portion is formed on one end of the elongate housing so that the multipurpose device includes flashlight, glow stick, and whistle functions.

Abstract: A handheld searchlight for producing a high intensity beam of light output has an elongated housing including a handle portion for gripping by a user. A head has a window opening for transmitting a light beam. There is a mechanical coupling between the housing and the head. A parabolic reflector is mounted in the head facing the window and has an aperture for accommodating a high intensity lamp. The reflector has a longitudinal optical axis. The rotation of the head about the coupling causes movement of the parabolic reflector relative to the lamp along the optical axis thereby changing a spread of the high-intensity light beam. The searchlight further includes a rotatable bezel ring mounted on the head and a filter ring mount connected to the rotatable bezel. An optical filter is mounted in the filter ring mount.

Abstract: A flashlight has a casing extending along an axis and adapted to hold an electric power supply, a light source fixed at a front end of the casing and electrically energizable to emit an axially forwardly directed light beam, an annular head fitted to the casing and axially shiftable thereon. Stops engaged between the head and the casing limit axial travel of the head relative to the casing. A lens is fixed in the head so that the lens and head can be shifted to focus the light beam. Thus the lamp head is captively attached to the casing. This creates an extremely compact structure that can be assembled quickly, thereby allowing manufacturing costs to be reduced. In addition, damaged components can be replaced quickly and easily.

Abstract: The present invention relates to a flashlight with a cylindrical battery housing at the end of which an electrically conductive contact surface is formed, an end cap, and a contact spring with contact points which connects a pole of a battery mounted in the battery housing to the contact surface of the battery housing. In order to reduce contact points and also enable secure and stable electrical contact, according to the invention it is provided that the contact points are arranged at opposite ends of the contact spring.

Abstract: A laryngoscope adaptor cap for use with existing government issue military flashlights designed for use in night time battlefield conditions. A filter disc filters out visible light and a light seal design prevents leakage of visible light from an assembled laryngoscope. The adaptor cap is crush resistant, impact resistant, has a high melting temperature, is disposable and allows the attachment of conventional laryngoscope paddles. It allows for night time endotracheal intubation in conjunction with military issue night vision goggles in the absence of visible light.

Abstract: A flash light includes a housing having a front end and a rear end to define a fixed length from the front to rear end. The housing further has a light cavity and a power cavity for receiving power source. The light arrangement includes a lens disposed at the front end of the housing, a light source disposed within the light cavity, and a light adjustor movably coupling with the housing to selectively adjust a distance between the lens and the light source along a longitudinal axis direction of the housing for adjusting the illumination angles of the light beam without altering the fixed length of the housing. The flash light is adapted for selectively adjusting illumination angles to provide variety of light patterns.

Abstract: A light device is provided that includes a light source and electrical circuitry for supplying electrical power to the light source. The light device also includes a housing having first and second ends and a hollow interior defining a compartment for holding a power source. The housing comprises a woven fiber thermoset composite. The housing is made by applying woven fibers to a mandrel and impregnating the woven fibers with an epoxy and curing the epoxy impregnated woven fibers to form the thermoset composite housing. An electrical interconnect is provided within the housing having first and second resilient contacts for providing an electrical connection between the power source and the light source.

Abstract: A rechargeable flashlight is also provided. The flashlight includes a housing having a battery compartment and a light source adjacent a first end of the housing. A rechargeable lithium-ion battery provides power for the flashlight. A controller circuit serially connected with the battery is operable to control the flow of electricity to and from the battery. Specifically, the controller circuit is operable to disconnect the lithium-ion battery cell from the light source in response to the charge in the lithium-ion battery depleting below a pre-determined lower threshold. The control circuit is further operable to disconnect the lithium-ion battery cell from electrical connection with the first charging contact when the lithium-ion battery is connected with a battery charger and the charge in the lithium-ion battery reaches a pre-determined upper threshold.

Abstract: The invention relates to a light curing device, comprising a light source which is accommodated in a housing which has a light exit, through which light leaves the housing. It is provided that the light exiting direction of the light beam is variable, in particular infinitely variable.

Abstract: A light device is provided that includes a light source and electrical circuitry for supplying electrical power to the light source. The light device also includes a housing having first and second ends and a hollow interior defining a compartment for holding a power source. The housing comprises a woven fiber thermoset composite. The housing is made by applying woven fibers to a mandrel and impregnating the woven fibers with an epoxy and curing the epoxy impregnated woven fibers to form the thermoset composite housing. An electrical interconnect is provided within the housing having first and second resilient contacts for providing an electrical connection between the power source and the light source.

Abstract: A portable illumination system comprising distal and proximal members rotatably coupled to one another. The rotatable coupling between the members includes resistive rotational feedback across a plurality of independent rotational regions between the members. A rotational switching mechanism is configured to switch between an activated state and a deactivated state. The activated state includes an electrical coupling between an electrical power source and an electro-optical output device across a plurality of independent rotational regions between the members. The plurality of independent rotational regions of the activated state corresponds to a linear or lengthwise alignment between the distal activated indicator and the activated proximal indicator. The plurality of independent rotational regions of the resistive rotational feedback may be coordinated with the plurality of independent rotational regions of the activated state.

Abstract: One embodiment of a continuous fragrance and illumination device having replaceable fragrance refill trays each comprising a curved back member that drop into vented fragrance refill chambers arranged around an air-moving member and surrounded by an illumination chamber formed by the external surfaces of a lens, an air-moving member housing, and the interior surface of a translucent shell that is closely adjacent to those surfaces and supported by a protective bottom cap, or separated by a greater distance. In addition, a translucent vanishing-edge lid is supported that provides a non-visible vent for exiting air following an air flow direction upward through the device. Other embodiments are described and shown.

Abstract: A flashlight having a main power circuit and a barrel is disclosed. The main power circuit includes a light source and a portable power source for supporting the light source. The barrel is not within the main power circuit. The flashlight also has a ball for holding the light source. The light source is fit and in contact with the inner surface of the ball. The outer circumference of the ball has an array of fin-like protrusions for effectively dissipating heat from the light source.

Abstract: A multipurpose lighting device comprising a flashlight end, a lantern end including a barrel through which light may pass, and a module mounted between the flashlight end and lantern end. The module includes a first light source configured to direct light out the flashlight end, and a second light source configured to direct light out the lantern end. The second light source is disposed on an opposite end of the module from the first light source. The module further includes a power source configured to energize the first light source and second light source, wherein the second light source is oppositely disposed on the module from the first light source.

Abstract: A flashlight having a handle with a clamp integrated therein, so that the flashlight can be used in either hands-free or in a portable mode. The handle of the flashlight can comprise clamp arms that are biased in a closed position, and can form a clamp, which can be affixed to an object. A battery housing can be disposed between the clamp arms, or one or both of the clamp arms.

Abstract: Disclosed is a method and apparatus for providing a light emitting diode and driving circuitry integrated into a component module that will retrofit common incandescent lightbulb applications. The disclosed embodiments will perform with high efficiency at a wide operating voltage range with a very small size allowing for the incorporation within the envelope and form of existing lightbulb bases. Therefore, a single universal LED light bulb module can be used to replace the dozens of conventional LED and incandescent lights currently being used. The electronic circuitries used to drive the LEDs are extremely compact and consequently can be incorporated in nearly any standard bulb base.

Abstract: A method for making a flashlight housing comprises providing a blank of an electrically conductive material, impact extruding the blank of electrically conductive material to form an elongated hollow member that has an internal cavity open at a first end and that has a reduced inner diameter portion proximate a second end thereof, and coating the elongated hollow member with a coating material. The flashlight housing may have a tail cap, and may have O-rings for sealing at the rearward end of the tail cap, at the forward end of the housing, and at the interface between the housing and the tail cap.

Abstract: Disclosed is a method and apparatus for providing a light emitting diode and driving circuitry integrated into a component module that will retrofit common incandescent lightbulb applications. The disclosed embodiments will perform with high efficiency at a wide operating voltage range with a very small size allowing for the incorporation within the envelope and form of existing lightbulb bases. Therefore, a single universal LED light bulb module can be used to replace the dozens of conventional LED and incandescent lights currently being used. The electronic circuitries used to drive the LEDs are extremely compact and consequently can be incorporated in nearly any standard bulb base.

Abstract: A flashlight is described holding at least one battery and an illumination source. A circuit interruption and completion device is provided forming a complete circuit between the illumination source and the battery, when the device is in a closed mode. The device comprises a switch which is manually actuated between at least a first position which causes the device to enter the closed mode and a second position. A switch holding structure comprises a member with means for making an electrical connection associated with the member; and at least one conductive spring is attached to the member to make electrical contact with the means for making an electrical connection with the battery. The switch controls multiple functions of the flashlight including a strobe and a momentary mode. A pushbutton switch may control the multiple functions by multiple pushes on the switch.

Abstract: A mobile illuminating device includes a generally cylindrical housing including: illuminating elements in the form of light-emitting diodes (LED) fixed on a support plate, electrical/electronic control and/or connectors between the illuminating elements and a battery. An axially extending section of the housing forms an interior space divided into a plurality of receptacles occupying respective circumferentially adjacent portions of the axial section. A first of the receptacles contains the diodes and a second of the receptacles contains batteries.

Abstract: A multipurpose lighting device comprises a module including a first light source for a flashlight function and a second light source for a lantern or omnidirectional glow stick function. A button on the module is operative to selectively alternating between the first and second light sources. An elongate housing is coupled to the second light source so that the second light source illuminates along the length of the housing. Finally, a whistle portion is formed on one end of the elongate housing so that the multipurpose device includes flashlight, glow stick, and whistle functions.

Abstract: Various lighting device implementations and related methods may be used to selectively provide various types of light in response to user-actuated controls. In one example, a lighting device includes a plurality of light sources, a body, a head, and one or more controls adapted to adjust operation of the light sources. The body includes a housing. The head includes a bezel adapted to rotate relative to the body to select between at least a first one of the light sources and a second one of the light sources. The head also includes a lens adapted to rotate eccentrically relative to a centerline of the head in response to rotation of the bezel. The lens includes a light inlet adapted to be selectively positioned over the first light source, the second light source, or neither of the light sources as the lens rotates eccentrically relative to the centerline of the head.

Abstract: A flashlight ventilation structure includes a ventilation lid screwed at a terminal of a handle portion of a flashlight. The handle portion is formed with a vent so that a rear cap formed with a vent facing the vent is allowed to fittingly cover the terminal of the handle portion The rear cap has a depressed combining region and a cavity circling the vent of the rear cap, so that a barrier whose backside is combined with a breathable fabric is allowed to be set in the cavity. The combining region is fitting covered by a ventilation mask, whereby the ventilation lid attached to the handle portion of the flashlight allows heat generated by batteries inside the flashlight for lighting the flashlight to be dissipated outward through the ventilation lid, while the breathable fabric in the ventilation lid prevents external liquid from permeating into the flashlight.

Abstract: A handheld searchlight for producing a high intensity beam of light output has an elongated housing including a handle portion for gripping by a user. A head has a window opening for transmitting a light beam. There is a mechanical coupling between the housing and the head. A parabolic reflector is mounted in the head facing the window and has an aperture for accommodating a high intensity lamp. The reflector has a longitudinal optical axis. The rotation of the head about the coupling causes movement of the parabolic reflector relative to the lamp along the optical axis thereby changing a spread of the high-intensity light beam. The searchlight further includes a rotatable bezel ring mounted on the head and a filter ring mount connected to the rotatable bezel. An optical filter is mounted in the filter ring mount.

Abstract: A lens for a flashlight or other lighting unit provides for focusing light from a source, such as an LED, to provide a light beam adjustable between a spot beam and a wide beam. The lens includes a lens body with a front face, a rear LED-receiving well, and a side surface extending between the front face and the rear well. The front face includes a central surface surrounded by an annular concave surface. The rear well includes a space for the LED to be adjusted in position. The rear well space is defined by a concavely-curved sidewall and a concavely-curved base. The concave curvature of the sidewall and base may be Bezier curves.

Abstract: Various structures are provided that may be advantageously used in one or more illumination device designs. In one example, a lens is movable among a plurality of light sources to facilitate selection of which light source is used to provide light for the illumination device. In another example, electric power is provided only to the light source that is used to provide light for the illumination device. Rotation of a bezel of the light source can determine which light sources provides light for the light source and which light source receives electric power.

Abstract: An ear hook device with illumination function is worn on a user's ear to provide illumination, so that the user can have their hands free to do more works. Furthermore, the ear hook device is further provided with a holding assembly which can hold the ear hook device and is then clipped to the user's pocket when the ear hook device is not in use, making it easier for the user to use and carry the ear hook device.

Abstract: A structure for securing a conductive strip of a flashlight includes a flashlight main body formed therein with a receiving space for receiving batteries. The receiving space has a lateral surface formed with a groove whose cross-section tapers toward the center of the receiving space and is configured for receiving the conductive strip coupled to a switch assembly, along with an insulating element corresponding in width to the conductive strip and having a predetermined length. Once installed in the flashlight main body, the conductive strip is separated from the batteries in the receiving space, thereby preventing the batteries from overheating, which might otherwise result from direct contact with the conductive strip. The main body further has a rear end coupled with a pressing portion formed of a pliable material such that a switch of the switch assembly is switched on or off by pressing the pressing portion.

Abstract: A lighting device comprises an elongated assembly forming a water-tight chamber adjacent a first end of the lighting device, where the first end includes a transparent face along a long axis of the elongated assembly. A lighting module, having a first light source and a second light source positioned on opposite ends of the lighting module, is positioned within the water-tight chamber so that the first light source is adjacent to and is configured to project light out the transparent face in a first direction along the long axis of the elongated assembly. The second light source is configured to illuminate along an elongated portion of the elongated assembly, where the elongated portion extends from the water-tight chamber in a second direction along the long axis of the elongated assembly opposite from the first direction, and out translucent circumferential sides of the elongated portion. A button on the module allows one to selectively alternate between the first and second light sources.

Abstract: According to one embodiment, an apparatus includes a power module that includes a power source. The apparatus also includes a power consumption module that is configured to consume power from the power source. Further, the apparatus includes a power control module that is configured to selectively regulate power from the power source to the power consumption module. Each of the power module, power consumption module, and power control module includes a positive power terminal, a negative power terminal, and at least one neutral terminal. The power module, power consumption module, and power control module each is removably interconnected adjacently to at least another of the power module, power consumption module, and power control module via engagement between the positive power terminals of the at least one adjacent module, the negative power terminals of the at least one adjacent module, and the neutral terminals of the at least one adjacent module.

Abstract: A flashlight includes a light powered by a battery, and a circuit having: a memory for storing a battery life information and voltage output information versus time for the battery to power the light, a controller operating a count down timer to accumulate an amount of time that the battery powers the light, a voltage measure circuit for monitoring the voltage output by the battery while the battery powers the light and supply the voltage output to the controller. The controller determines: a first remaining battery life by comparing the accumulated time to the battery life, a second remaining battery life by comparing the voltage output to the voltage output information, and the lesser of the first and second remaining battery lives. The flashlight includes a display for receiving a command from the controller to display the lesser of the first remaining battery life and the second remaining battery life.

Abstract: This invention provides a flashlight in which locating slots for constraining and fixing conductive strips are provided in a plastic housing. The conductive strips are connected with a conductive heat dissipation element of a light source body and a conductive seat at the tail portion of the plastic housing, and are turned on by the conductive seat and a smart controller such that variation of the light emitted from the light source body is controlled by the smart controller. In addition, the conductive heat dissipation element of the light source body is assembled with the front cover having heat dissipation effect so that the heat dissipation of the light source body is facilitated and hence the lifetime of the light source body is extended.