A method for increasing battery life in a lighting device powered by a battery source in which an electronic circuit is caused to provide a declining power supply to a light emitting diode (LED) as a power profile of the battery source declines.

A method for increasing battery life in a lighting device powered by a battery source in which an electronic switch is caused to provide a declining power supply to a light emitting diode (LED) as a power profile of the battery source declines.

A storage compartment for a flashlight with a cylindrical barrel, a tail cap and a conductive spring fitted to the tail cap. The conductive spring is removed from the tail cap and fitted to the barrel end of a cylindrical compartment which has an outer diameter substantially the same as that of the barrel and then the tail cap is threaded into a tail cap end of the cylindrical compartment, thus sealing off an inner compartment

An assembly set for recessed ceiling and wall luminaires, comprises a mounting sleeve and a luminaire housing, which is adapted to be installed in the mounting sleeve, the mounting sleeve being mountable in a wall or ceiling opening. The mounting sleeve is provided with contact portions extending, on the side of the mounting sleeve facing away from the wall or ceiling opening, perpendicular to a wall of the mounting sleeve into the interior of the latter. The luminaire housing comprises at least two locking elements extending beyond the circumference of the luminaire housing, wherein the locking elements of the luminaire housing engage behind the contact portions of the mounting sleeve at the fixing position, and the locking elements are operatively connected to handles in the interior of the luminaire housing such that the locking elements can be transferred from the fixing position to a release position by moving the handles towards each other.

A method for increasing battery life in a lighting device powered by a battery source in which an electronic switch is caused to provide a declining power supply to a light emitting diode (LED) as a power profile of the battery source declines.

A flashlight uses a reverse battery protection circuit to prevent current from flowing in a power control circuit when at least one battery is held in a reversed orientation, rather than a correct orientation, in a battery compartment of the flashlight.

A three-way bulb including light emitting diodes is used to achieve a variety of light output colors and/or intensities. In some embodiments, the inputs to a three-way bulb are configured to perform other functions, such as power a motor. In some embodiments, a bulb including light emitting diodes includes a replicable cover and/or a replicable LED. This cover may be configured to project images or support a shade made of a heat sensitive material.

A flashlight uses a reverse battery protection circuit to prevent current from flowing in a power control circuit when at least one battery is held in a reversed orientation, rather than a correct orientation, in a battery compartment of the flashlight.

A flashlight stores a user selection of a desired mode of operation in a temporary storage medium so that it can be retrieved by a controller when an electrical circuit is interrupted for less than a preselected period of time.

A vehicle lamp assembly generally includes a housing having a light transmissive lens and one or more light bulb receptacles. One or more light bulbs are located in the one or more light bulb receptacles. A fascia assembly is configured to be assembled onto a vehicle. A T-shaped connector is provided on one of the housing and the fascia assembly, and a T-shaped slot is provided on the other of the housing and the fascia assembly. The T-shaped connector is configured to engage the T-shaped slot to allow the housing to align with the fascia assembly to allow servicing the lamp assembly. One or more fasteners are configured to fasten the housing onto the vehicle without removing the fascia assembly.