114results about "Electric lighting for hand-held use" patented technology

Work light has LEDs that require heatsink. Desired radiation pattern achieved by using optical components designed to produce beam or LEDs may have beams in different directions. Radiation pattern of LEDs may be changed by refractive-reflective optics or by convex lenses. Convex lenses may be hemispheres, other planoconvex shapes, concavo-convex shapes, or other shapes. Curved surfaces on any lenses may be spherical or aspheric. Ballast to operate the LEDs from line voltage AC or low voltage DC. Work light may contain batteries. The work light may be mounted on a stand. May have accessory mount. May have charging station. May have a paging transmitter to activate a paging receiver in work light. May have openings for heat transfer from heatsink to ambient air external to light.

A work light for work or task areas which uses light-emitting diodes (LEDs) as the source of light. LED clusters are mounted on a circuit board which is located in a housing. The LED work lights may be powered by conventional 120 or 240-volt electrical outlets, a DC generator, a battery, a battery pack, or a car adapter.

A multi-adjustable portable work light comprising an elongated grip handle, a light housing pivotally mounted to one of an elongated, hollow grip handle, an adjustable clamp member, and a two-way adjustable joint disposed between the clamp member and the grip handle portable work light comprising an elongated grip handle, a light housing pivotally mounted to one of an elongated grip handle, an adjustable clamp member, and a two-way adjustable joint disposed between the clamp member and the grip handle. An optional hook may also be provided.

A battery powered portable electric light source has multiple sets of spare batteries contained in its battery compartment, whereby mixups between exhausted and fresh batteries are effectively avoided. A flashlight having a light output stronger than the mentioned electric light source is provided for use of batteries from the battery compartment of the mentioned portable container, and batteries are exchanged between that portable container and that flashlight. Apparatus for providing electric light have an electric light source requiring for energization a pair of batteries in series and a portable container for several pairs of these batteries connected each in series at a bottom of that container. Each of these several pairs of batteries includes a first battery having a first positive terminal and an opposite first negative terminal, and a second battery having a second positive terminal connected to that first negative terminal and an opposite second negative terminal. First positive terminals of first batteries of the several pairs of batteries and second negative terminals of second batteries of the several pairs of batteries are in substantially the same plane for selective application of the electric light source thereto for energization therefrom. A socket for the electric light source includes terminals corresponding to adjacent terminals of any one of the several pairs of batteries in that container. Unspent batteries in film packs may be used to energize light sources.

An LED lighting array is disclosed wherein a plurality of light emitting devices disposed in at least first and second columns are mounted on a planar mounting surface to form an emission plane. The emission axes of all the LEDs in a first column are parallel with each other and lie in a first plane. The emission axes of the LEDs in an adjacent, second column are also parallel, but a second plane containing the emission axes of the second column is disposed at a predetermined, non-zero angle with respect to the first plane. The non-zero angle is a function of the LED beam width and the distance to a lighting target. This configuration of the LEDs provides an optimum balance at a predetermined target distance between the size of the area illuminated and the brightness of the illumination of the target. In one aspect of the invention the LED lighting array includes at least first, second and third columns of LEDs. In another aspect of the invention an LED task light includes a transparent tube and an LED lighting array disposed within the tube. An electrical drive circuit associated with the mounting substrate within the tube provides pulsed direct current for driving the LED's.

A portable cordless inspection light assembly including a lamp capable of producing a spectral distribution, which is substantially identical to daylight, color temperature. The lamp has a reflector portion around its bulb and a light outlet lens across its large end. The light includes a housing having a generally tubular housing portion. The lamp is mounted within an opening in that housing portion adjacent one end with its large end across the opening and its reflector portion extending along the opening toward the opposite end of the housing portion. Passageway portions of the through opening are provided around the large end of the lamp, and a fan assembly within the opening can propel air through the opening over the outer surface of the lamp and through those passageway portions to cool the lamp. The housing includes a manually engageable handle portion, and supports a rechargeable battery by which the bulb and fan assembly can be activated.

A work light structure according to the present invention comprises: a light source module having a long slender housing laterally and inwardly connected with a printed circuit board so as to partition the housing into a lighting portion and an accommodating portion, the printed circuit board being coupled with a plurality of light emitting diodes (LEDs) arranged in line inside the lighting portion and each of the two ends of the housing is connected with an end cap, respectively, for capping the ends, and one of the end caps is disposed with a power supply device; an extension device disposed in the accommodating portion and formed by connecting at least a resilient component with its two ends onto a connecting rod, respectively, whose external end is inserted through a rod hole at the end cap and is connected with an externally protruding hook; the two hooks are hooked onto two ends of a connecting object to extend the resilient component, such that the power supply device may provide power to the printed circuit hoard to light up the LEDs.

A utility light has a dual fluorescent lamp assembly mounted in a housing with a removable lens for ease of lamp replacement. The lens is releasably retained at an upper end by a locking tab. The housing has a swivel hook, a handle cushion, a housing cushion at the upper end, and a bottom cushion at a lower end. The lamp assembly is powered by a battery pack assembly releasably mounted in a handle portion of the housing for removal and insertion into a charging stand.

A task light assembly including a long flexible fiber optic element capable of transmitting light between light inlet and light outlet ends; a light source at the light inlet end of the fiber optic element; and a reel assembly for supporting the light source and the light inlet end of the fiber optic element and for allowing movement of the fiber optic element between a storage position with the light outlet end of the fiber optic element supported in a storage position, and an extended use position with the light outlet end of the fiber optic element at a work location remote from the storage position.

A compact non-contact multi-function electrical switch for use in an electrical box mounted on a wall has a one or more capacitance sensors for detecting a presence of a hand placed adjacent to the switch, as well as the directional movements of the hand along an X and/or Y axis and/or Z axis, and for generating data values, and a CPU for receiving the values and for determining which function is to be performed, such as calculating a power output in response to a first data bit. The switch can communicate with nearby switches to avoid sensor interference. The CPU can be used to generate one or more control signals for controlling the predetermined function associated with the specific movements. A processing unit may be used with multiple switches in a gang assembly, so that the switch sensors form an array enabling the switches to perform more complex control functions.

A box light includes a housing having first and second clamshell-halves. Each clamshell-half has a lamp face and an opposite exterior surface. At least one lamp and its corresponding protective enclosure is mounted in each of the lamp faces. Each of the lamp faces has at least one lamp-receiving aperture. The clamshell-halves are rotatably mounted to one another by a first hinge for rotation relative to another about the first hinge between open and closed positions. The open position includes selectively positionable open positions exposing the lamp faces so that an included angle between the lamp faces may be opened to two hundred seventy degrees whereby the lamps on each lamp face shines outwardly and oppositely of the housing when electrically powered. In the closed position the lamp faces are in closely adjacent opposed facing relation and the exterior surfaces are oppositely disposed. Also, when in the closed position, the at least one lamp and its protective enclosure on each of the first and second clamshell-halves is aligned and mated with the lamp-receiving aperture on the opposed facing lamp faces so as to insert at least the protective enclosure of each of the at least one lamps into mating engagement with the corresponding lamp-receiving apertures in the opposed facing lamp faces.

The present invention provides a light device comprised of a body, a handle, a user interface, and a positionable arm that is structured to pivotally support a lighting element assembly. The light device may be configured to be portable and carried or otherwise manipulated by a user grasping the handle. In one embodiment, the body of the light device defines first and second support surfaces that are structured to stably support the weight of the light device in first and second illumination positions, respectively.

A flash memory device which can reduce the whole program or erase time and improve reliability by cycling, by storing a pulse width or a bias level for passing at least one bit of cells of a first page in a program or erase operation using an ISPP scheme, and using the stored pulse width or bias level as an initial pulse width or an initial bias level in a succeeding program operation or erase operation, and a method for driving the same.

An illuminating apparatus for handheld or headworn instruments comprises a luminous means (50), a heat sink (42) for dissipating heat produced by the luminous means (50), and a ventilation device (57), fitted on the heat sink (42), for feeding cooling air to the heat sink (42). A damping device (60) for damping the oscillations generated by the ventilation device (57) is provided between the heat sink (42) and the ventilation device (57).

A portable utility light includes base support with a rechargeable battery. A light assembly is electrically connected to the rechargeable battery in the base support through a power cord removably connected to the base support. The power cord is adapted for selective connection to an auxiliary power source to provide a direct auxiliary power source for the light assembly. A power supply mechanism is also connected to a second connection portion of the base support to provide another power source to either charge the battery, power the light assembly or both. Another power cord may be employed to facilitate recharging the battery through the auxiliary power source. The work light thus provides multiple sources of power for the light as well as multiple sources of power for recharging the battery.

A barrier movement operator controls the movement of a moveable barrier. The barrier movement operator includes a movable utility light. A head unit is communication with the movable utility light to command the moveable barrier to perform moveable barrier functions. The head unit provides power to the movable utility light in response to performance of the moveable barrier functions and also in response to movement of the movable utility light from a first position disposed at the head unit.