Abstract: An intrinsically safe battery powered device (100) includes a housing (102), a battery receiving region (104), an intrinsically safe power supply (108, 110), and device electrical circuitry (112). The power supply (108, 110) uses energy from batteries (106) received in the batter receiving region (104) of the device (100) to power the circuitry (112). In one implementation, the power supply includes an intrinsically safe charge pump circuit.

Abstract: A lighting device is generally illustrated having a light body having forward facing light sources including a visible white light source, visible colored light source and an infrared light source. Additionally, a side facing light source is provided. The light body also includes switches for activating the visible light sources and a three-position switch for activating the IR light source and the side facing light source. At least one switch is provided for turning at least one of the light sources on and off and further adjusting light intensity of the light source. The light source of the lighting device may further be controlled based on a detected chemistry composition of the power source.

Abstract: A lighting device embodied as a flashlight is provided that includes a handheld housing and a light source provided on the housing for generating a light beam. The light device also includes a battery power source for providing power to the light source. The lighting device further includes light control circuitry for turning the light source on and off and controlling intensity of the light beam. The light control circuitry includes a user actuatable switch and a controller for controlling intensity of the generated light beam. The controller processes user activation of the switch and adjusts the intensity of the light beam as a function of the activation of the switch such that the light intensity may be increased or decreased.

Abstract: A lighting device (100) includes a housing (100), a battery receiving region (108), an active electrical circuit (202), and a light source (118). The active electrical circuit (202) uses energy from batteries (110) received in the batter receiving region (110) of the flashlight (100) to power the light source (118). The electrical circuitry of the flashlight (110) is energy limited so that the flashlight is intrinsically safe for use in hazardous locations.

Abstract: A lighting device in the form of a handheld flashlight is provided that includes a plurality of light sources located within a swivel head pivotally connected to a main body. The main body has a yoke portion connected to the swivel head by a head attachment mechanism that includes locking detents to lock the swivel head into one of a plurality of positions. The lighting device also has a tail cap that engages the main body by way of a cam lock wheel to provide a closure to the battery compartment. The lighting device further includes multiple modes of operation having a plurality of switches that provide control in various lighting modes. The lighting device is configured to be powered by one number of batteries supplying a first voltage output and is configured to be powered by a second different number of batteries supplying a second different voltage output, and the batteries are installed in battery compartments and include spring biased contacts for ensuring proper orientation of the batteries.

Abstract: An intrinsically safe flashlight (100) includes a housing (100), a battery receiving region (108), an active electrical circuit (202), and a light source (118). The active electrical circuit (202) uses energy from batteries (110) received in the batter receiving region (110) of the flashlight (100) to power the light source (118). The electrical circuitry of the flashlight (110) is energy limited so that the flashlight is intrinsically safe for use in hazardous locations.

Abstract: A lighting device includes a head assembly, a battery pack, and a light housing. The light housing includes at least one light source and a diffuser lens. The diffuser lens is pivotably coupled to the light housing. The diffuser lens is configured to pivot between a first position in which the diffuser lens diffuses light emitted by the at least one light source and a second position in which a substantial amount of the light emitted by the at least one light source is not diffused by the diffuser lens.

Abstract: A light device includes a body having a light source and electrical contacts that plug into a first electrical outlet of a duplex receptacle and receive power therefrom. An outlet cover mounted for pivotal motion with respect to the body about at a pivot axis, which is substantially proximate to a region between the first outlet and a second outlet of the receptacle. The outlet cover pivots away from the body and towards the duplex receptacle to inhibit access to the second electrical outlet.

Abstract: An intrinsically safe battery powered device (100) includes a housing (102), a battery receiving region (104), an intrinsically safe power supply (108, 110), and device electrical circuitry (112). The power supply (108, 110) uses energy from batteries (106) received in the batter receiving region (104) of the device (100) to power the circuitry (112). In one implementation, the power supply includes an intrinsically safe charge pump circuit.

Abstract: A lighting system is provided that includes at least one lighting device, at least one connector, and a plurality of external power sources. The external power sources are adapted to be electrically connected to the lighting device by the connector. One of the external power sources is an energy storage system having a plurality of battery cells. A first charging method is utilized when a voltage potential of first and second battery cells is less than a voltage potential threshold, a second charging method is utilized when the voltage potential of the first and second battery cells is equal to or greater than the voltage potential threshold, and the first charging method is utilized to charge the first battery cell prior to charging the second battery cell when the first battery cell voltage potential is below the voltage potential threshold and greater than the second battery cell voltage potential.

Abstract: A lighting system is provided that includes at least one lighting device, at least one connector, and a plurality of external power sources. The at least one lighting device includes at least one lighting source, and an internal power source applying a first electrical current to illuminate the at least one lighting element, wherein the internal power source supplies the first electrical current. The at least one connector electrically connects to the at least one lighting device. The plurality of external power sources include at least first and second external power sources that are adapted to be electrically connected to the at least one lighting device by the at least one connector. Further, a fuel gauging system and method detects an electrochemical composition of a power source, which can be at least one of the internal power source and the external power source, and then determines a state of charge of the power source based upon the determined electrochemical composition of the power source.

Abstract: A lighting device is generally illustrated having a light body having forward facing light sources including a visible white light source, visible colored light source and an infrared light source. Additionally, a side facing light source is provided. The light body also includes switches for activating the visible light sources and a three-position switch for activating the IR light source and the side facing light source. The light source of the lighting device may further be controlled based on a detected chemistry composition of the power source.

Abstract: A lighting system is provided that includes at least one lighting device, at least one connector, and a plurality of external power sources. The lighting device includes at least one lighting source, and an internal power source supplying a first electrical current to illuminate the lighting source. The connector electrically connects to the lighting device. The external power sources include at least first and second external power sources that are adapted to be electrically connected to the lighting device by the connector. The first external power source supplies a second electrical current to the lighting device to illuminate the lighting source and the second external power source supplies a third electrical current to illuminate the lighting source, such that the internal power source and one of the plurality of external power sources each supply electrical current to illuminate the lighting source at different times.

Abstract: A lighting device is generally illustrated including a light body having forward facing light sources including a visible white light source, visible colored light source and an infrared light source. Additionally, a side facing light source is provided. The light body also includes switches for activating the visible light sources and a three-position switch for activating the IR light source and the side facing light source. The lighting device further includes boost circuitry for controlling electrical energy supplied to a light source.

Abstract: A lighting system is provided that includes at least one lighting device, at least one connector, and a plurality of external power sources. The at least one lighting device includes at least one lighting source, and an internal power source applying a first electrical current to illuminate the at least one lighting element, wherein the internal power source supplies the first electrical current. The at least one connector electrically connects to the at least one lighting device. The plurality of external power sources include at least first and second external power sources that are adapted to be electrically connected to the at least one lighting device by the at least one connector.

Abstract: A light device includes a body having a light source and electrical contacts that plug into a first electrical outlet of a duplex receptacle and receive power therefrom. An outlet cover mounted for pivotal motion with respect to the body about at a pivot axis, which is substantially proximate to a region between the first outlet and a second outlet of the receptacle. The outlet cover pivots away from the body and towards the duplex receptacle to inhibit access to the second electrical outlet.

Abstract: A headlamp lighting device is provided that allows for the adjustment of the size of the light beam and forward heat dissipation. The lighting device includes a housing, a light source provided on the housing for generating a light beam, an inner thermally conductive heat sink, and an outer heat sink member. The inner thermally conductive heat sink is disposed in thermal relationship with the light source. The outer heat sink member is in thermal heat transfer relationship with the inner heat sink and disposed generally forward of the rear end of the housing for directing thermal energy generated by the light source towards the front end of the housing.

Abstract: An intrinsically safe battery powered device (100) includes a housing (102), a battery receiving region (104), an intrinsically safe power supply (108, 110), and device electrical circuitry (112). The power supply (108, 110) uses energy from batteries (106) received in the batter receiving region (104) of the device (100) to power the circuitry (112). In one implementation, the power supply includes an intrinsically safe charge pump circuit.