Abstract: A system for charging an energy storage device includes an energy harvester operable to harvest energy from environmental conditions, and to charge an energy storage device at a first rate using the harvested energy. A charging input port detachably receives a secondary energy source. The secondary energy source is operable to charge the energy storage device at a second rate that is faster than the first rate. A sensing module is operable to sense a condition and to transmit a wireless signal indicating an occurrence of the condition.

Abstract: A backlight unit includes a plurality of fluorescent lamps divided into a plurality of groups of fluorescent lamps arranged in parallel, each group including at least two fluorescent lamps, and a plurality of inverters electrically connected with the plurality of fluorescent lamps by respectively corresponding to the plurality of groups of fluorescent lamps.

Abstract: A thermal insulation detector for a recessed luminaire fixture comprises a luminaire frame, a junction box connected to the frame, a mechanical switch connected to one of said frame and the junction box, the mechanical switch in electrical communication with an electrical circuit, the electrical circuit including a lamp socket, at least a portion of the circuit passing through the junction box the electrical circuit receiving multiple input voltages, an actuation device extending from the mechanical switch, the actuation device being movable responsive to thermal insulation disposed about the luminaire fixture, the actuation device having a first position and a second position deflectable from the first position, the actuation device being deflectable by the insulation to the second position and actuating a switch which opens the electrical circuit inhibiting operation of the luminaire fixture.

Abstract: An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture and may include a power converter. Additionally, an LED selection module may be included to selectively turn on or off LEDs. A communication port may be included to transmit information associated with the LED illumination device, such as identification, indication of lifetime, flux, etc. The lifetime of the LED illumination device may be measured and communicated, e.g., by an RF signal, IR signal, wired signal or by controlling the light output of the LED illumination device. An optic that is replaceably mounted to the LED illumination device may include, e.g., a flux sensor that is connected to the electrical interface.

Abstract: A driver circuit is used for driving a plurality of groups of switch elements connected between a power supply terminal and a common terminal. Each switch element includes anode connected to the power supply terminal, a cathode, and a gate. The anode is connected to the power supply and the cathode connected to a common terminal. The gate controls electrical conduction between the anode and the cathode. The driver circuit includes a switch circuit connected between the power supply terminal and the common terminal, and a driver circuit into which a drive current flows. The switch circuit is in parallel with the switch elements, and the switch circuit electrically connects or disconnects between the power supply terminal and the common terminal in response to a control signal supplied thereto. A transmission line having a specific characteristic impedance, connected between the common terminal and the driver circuit.

Abstract: A luminaire provided with a housing with light-emitting elements which are located near a light emission side of the housing and which are activated in that a user touches one or more sensors accommodated in a wall of the housing, wherein the sensors are arranged multidimensionally, and wherein the number of activated light-emitting elements is proportional to the size of the wall surface including sensors that is touched by the user.

Abstract: One aspect of the present invention is a non-electronic method of controlling the power provided to the lamp through use of multiple secondary taps off the secondary side of the HID ballast. This allows for a base capacitor to be used, along with the multiple secondary taps of the ballast, to vary the power to the lamp for purposes of providing constant light output, dimming capabilities, or to hold the power constant, or any combination of such.

Abstract: A lighting device in the form of a handheld flashlight is provided that includes a plurality of light sources, a housing, a three position switch, and a second switch. The plurality of light sources may include a visible light source and a non-visible light source. The three position switch selects one of a plurality of modes, for example, a visible light enabled mode, an infra red mode, and a lockout mode. The second switch is operative to control one of the plurality of light sources based on the selected operating mode.

Abstract: Light assemblies may contain a light socket assembly powered by an alternating current source, the light socket assembly containing a female socket for threadedly or otherwise receiving a light bulb or a retrofit socket, for example. An AC/DC converter electrically communicates with the light socket assembly thereby providing direct current to the light socket assembly. A first set of direct current contacts communicating with the AC/DC converter is formed within or about the light socket assembly. A solid state lighting source contains a second set of direct current contacts contained within the solid state lighting source, whereby the second set of direct contacts electrically communicates with and corresponds to the first set of direct current contacts. When assembled, the solid state lighting source such as an annular ring coupled to at least one light emitting diode, operably engages the light socket assembly and is fixed about at least a portion of the light socket assembly.

Abstract: A voltage control apparatus (10) for an HID lamp includes a voltage control transformer circuit (20), and is connected between supply mains (22) and a high intensity discharge (HID) lamp. The HID lamp is started at full line voltage, and after a sufficient operating interval ensuring that the lamp has achieved a sustaining temperature, the operating voltage applied to the lamp is reduced, effecting considerable savings in energy use, with little or only an acceptably small decrease in light output from the lamp. Further, the voltage control apparatus include a circuit portion responsive to voltage transients on the AC line, and which effects restarting of the HID lamp in the event a voltage transient occurs which is sufficiently long (i.e., about ½ cycle) as to extinguish the HID lamp.

Abstract: A lighting control system includes an enhanced occupancy sensor and/or an enhanced power pack, allowing for more sophisticated and/or accurate lighting control and energy management capability. In one example, the occupancy sensor provides additional information, such as information about movement detected in the monitored area, in the form of a signal superimposed on the occupancy signal, and a specialty power pack is configured to detect and respond to the superimposed information signal, thereby providing enhanced functionality to the lighting control system. The superimposed signal conveying the additional information is made high-speed/short-duration such that it is “invisible” to a conventional power pack and the occupancy sensor remains compatible with conventional power packs. The enhanced occupancy sensor may therefore be used seamlessly with both conventional and specialty power packs, and may be implemented as a “drop-in” component for legacy lighting control systems.

Abstract: A lighting control system includes an enhanced occupancy sensor and/or an enhanced power pack, allowing for more sophisticated and/or accurate lighting control and energy management capability. In one example, the power pack and/or occupancy sensor is networkable, providing the capability to link and coordinate multiple power pack/occupancy sensor combinations, thereby providing zone-wide control and energy management features, such as, coordinated lighting of several areas, the ability to force lights on in a life-safety situation, and the ability to control other equipment in a monitored area (e.g., an air conditioning and/or heating system) responsive to detected occupancy in the area. The networkable power pack includes installation and wiring to an occupancy sensor that is substantially identical to a conventional power pack and therefore may be implemented as a “drop-in” component in a legacy lighting control system, without requiring changes to the occupancy sensors or wiring of the system.

Abstract: A clip with a light comprises a body including a first and a second clip members to be flexibly pressed, and an illuminating device disposed between the first and second clip members and having a receiving cylinder, a light received in the receiving cylinder and provided with a first and a second connecting legs, a cell set received in the receiving cylinder to supply power to the light, a power circuit mounted in the receiving cylinder and provided with an electrode of a rear end of the cell set electrically connected to the first connecting leg of the light and the second connecting leg electrically coupled to an electrode of a front end of the cell set, an actuating member series connected onto the power circuit and having pressing blocks extending out of the receiving cylinder to press and release the first and second clip members, controlling the actuating member.

Abstract: A lamp includes a head, a support arm and a base. The head includes a light emitting member. The support arm is rotatably connecting to the head. The support arm includes a first pushing member and a second pushing member. The base includes a moveable contact and a stationary contact. The moveable includes a spring tab. When the support arm is rotated to a first position, the first pushing member abuts against the spring tab to be deformed, and the spring tab connects to the stationary contact. The light emitting member is in a power on state. When the support arm is rotated to a second position, the second pushing member abuts against the spring tab to be deformed, and the spring tab disengages from the stationary contact. The light emitting member is in a power off state.

Abstract: An illumination device suitable for attachment to factory remote controls, wherein the illumination device further comprises a locator accessory.

Abstract: An LED lamp for outdoor and large space lighting, particularly for streets, warehouses car parks and the like, is adapted for fitting into legacy light fittings designed for sodium bulbs and the like. The LED lamp comprises a plurality of light emitting diodes arranged over a surface of the lamp, is rotatably connected through a rotatable electrical connection to a screw-in adaptor for insertion into a legacy screw-in socket, such that the screw in adaptor is rotatable independently of the lamp, so that the legacy screw in socket can be used even though the light fitting is too small to allow rotation of the LED lamp. Additional embodiments provide for cooling airflow through the light fitting, for temperature control of the LEDs, and for failure protection, to ensure a longest possible lamp lifetime.

Abstract: A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output.

Abstract: A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the load control device comprising a bidirectional semiconductor switch operable to be coupled in series electrical connection between the source and the load, the semiconductor switch having a control input; a controller operatively coupled to the control input of the semiconductor switch for controlling the amount of power delivered to the load; an actuator operatively coupled to the controller such that the controller is operable to determine a desired amount of power to be delivered to the load in response to actuations of the actuator; and a visual display responsive to the controller; wherein the controller is operable to illuminate the visual display to a first intensity upon actuation of the actuator and to subsequently illuminate the visual display to a second intensity less than the first intensity after a predetermined amount of time has elapsed since the actuation of the actuator.

Abstract: An electroluminescent lam including a lamp substrate; a first electrode formed over the lamp substrate device side, one or more layers having light-emitting material formed over the first electrode, and a second electrode formed over the one or more layers, a chiplet having a chiplet substrate separate and independent from the lamp substrate and adhered to the lamp substrate device side, one or more connection pads, a mechanical switch, and a control circuit for controlling the mechanical switch, the mechanical switch electrically connected to one or more connection pads and at least one connection pad electrically connected to the first or second electrode with one or more electrical connection(s); and an insulating and planarization layer formed over at least a portion of the chiplet and the electrical connections so that the chiplet is an embedded chiplet.

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: An electrical switch and a flashlight employing the switch may comprise a base having electrical conductors thereon and an electrically conductive flexible dome. The flexible dome has plural longer legs extending from its dome and in electrical contact with a first conductor, has a shorter leg extending from its dome and overlying a second conductor, and has its dome overlying a third conductor. A pushbutton may be moved to apply actuation force to cause the shorter leg to contact the second conductor and the dome to contact the third conductor.

Abstract: A tri-dimming push handle switch lamp holder is disclosed, which enables a user to press the push handle for a selection among three dimming levels: full brightness, middle luminance and complete darkness, where the lamp holder is made up of a body, a first conducting member, a first contact plate, a conducting plate, a second conducting member, a second contact plate, a rectifying diode, a flap, a push handle, an insulating plate and a threaded tube shell, which are integrated together to form an advanced lamp holder that features not only the basic switching function but an extra tri-level dimming function, substantially boosting its usage for all kinds of occasions. Moreover, an extra arrangement of the conducting plate and the rectifying diode enables the structural combination and the function of this invention to present great creativeness.

Abstract: A flashlight is described comprising a flashlight body comprising a tube with a first end and a second end, the tube configured to hold at least one battery; a bulb holder for holding an illumination source at the first end of the tube; and a circuit interruption and completion device forming a complete circuit between the illumination source and the battery, when the device is in a closed mode, the device comprising a pushbutton switch which is manually actuated between at least a first closed mode and a second mode. The switch controls multiple functions of the flashlight. The switch requires at least one of a force of less than about 1000 gf and a stroke of less than 4 mm to be operably actuated.

Abstract: A low-power wireless network involves a master and a plurality of RF-enabled fluorescent lamp starter units. In each of a plurality of intervals, a starter wakes up and listens for a beacon, regardless of whether a beacon is transmitted during that interval or not. The starter operates in a low power sleep mode during the majority of the interval. The master can transmit during the beacon slot time of any interval, but typically only transmits frequently enough to maintain starter synchronization. If the master wishes to communicate with the starters with reduced latency, then the master can transmit a beacon in the next interval. Beacon slot time is varied within the interval (for example, from interval to interval or from group of intervals to group of intervals) in a pseudo-random time-hopping fashion known to both the starters and the master, thereby reducing persistence of collisions with similar networks.

Abstract: An emergency lighting system includes a plurality of emergency lights and a plurality of emergency power systems. Each of the plurality of emergency power systems is electrically connected to a respective one of the plurality of emergency lights through a respective one of a plurality of power switches. The emergency lighting system also includes a plurality of processors. Each of the plurality of processors is electrically connected to a respective one of the plurality of emergency power systems and executes software that monitors a status of a respective one of the emergency power systems and controls a state of the plurality of power switches. The emergency lighting system also includes a plurality of radio transceivers. Each of the plurality of radio transceivers is electrically connected to a respective one of the plurality of processors and communicates with other radio transceivers in the plurality of radio transceivers that are in radio wave proximity.

Abstract: An LED lamp includes an optical part, a heat dissipation part and an electric part. The optical part includes main and auxiliary LED light sources thermally attached to the heat dissipation part. The electric part includes a rechargeable battery and a circuitry for converting an external AC power source into first and second DC power sources. The auxiliary LED light source is connected to the first DC power source for providing an auxiliary illumination when the external AC power source is normally supplied or to the rechargeable battery for providing an emergency illumination when the external AC power source is interrupted. The main LED light source is connected to the second DC power source for providing normal illumination when the external AC power source is supplied normally. Photoelectric switches are also provided for controlling the action of the auxiliary LED light source.

Abstract: A digital wiring device including a user interface panel, a digital display, and a paddle including a transparent portion to reveal the digital display and an opaque portion to cover the user interface panel. The paddle rotates from a first closed position to a second open position. A digital “schedule-at-a-glance” may be provided so that a user can quickly assess a schedule of events. The digital wiring device may include a back light to illuminate the digital display. The paddle may be operatively associated with the back light. A battery may provide an electrical current to power the digital wiring device in a battery backup mode, and the back light may be disabled based on the mode. The user interface panel may be used to schedule events or otherwise configure the digital wiring device.

Abstract: The lighting structure of the present invention can be installed in a cupboard, a wardrobe, a filing cabinet or another structural object requiring an auxiliary light source. The lighting structure comprises: a body provided with a lamp and an electrical circuit; and a base adapted to be installed on the structural object and joined with the body. The electrical circuit comprises a vibration sensing element, a control element and an electric power supplying portion. The electric power supplying portion is configured to supply electric power necessary for operation of the electrical circuit. When the lighting structure is vibrated, the vibration sensing element outputs an electrical signal to the control element so that the control element chooses to turn on or off the lamp correspondingly.

Abstract: An electrical device operates by performing actions based on identified events. The device includes a list of events within a memory, a sensor that measures a force on the sensor to provide measurement information, a list of actions, a control component, input output, a load, an action identifier, and an action bank. The list of actions can be stored in the action bank. The control component is coupled to the sensor and identifies an event from the measurement information and selects an action based on the identified event.

Abstract: A switch having an automatic shut-off feature which turns off the switch after a defined period of time has elapsed. The invention has additional override features which allow the user to selectively override the automatic shut-off feature. The override feature can be a simple button or switch which the user can manually actuate. The override feature can also be remotely controlled using a hard-wired control line tied to an auxiliary panel, or a wireless control device such as a radio or ultrasonic link.

Abstract: A light emitting diode lamp includes a housing having a first side mounted with a conductive connecting head, and a second side opposite to the first side. The second side of the housing has a first mounting surface, and a tapered protrusion projecting outwardly from the first mounting surface and having at least one inclined second mounting face inclined with respect to the first mounting surface. A lighting unit includes a plurality of first light emitting diodes mounted on the first mounting surface of the housing, and a plurality of second light emitting diodes mounted on the second mounting face of the housing. A driving unit is disposed in the housing and is coupled to the lighting unit and the conductive connecting head for activating the lighting unit. A transparent cap body is mounted on the second side of the housing for covering the lighting unit.

Abstract: A backup ballast used with a primary ballast for providing power to one or more lamps. The backup ballast includes an output switch and a delay circuit. The output switch has a first operating mode for connecting a primary power source via the primary ballast to a first set of the lamps and second operating mode for connecting a backup power source with a second set of the lamps. The output switch operates in the first operating mode when it is energized and in the second operating mode when said it is not energized. The delay circuit is adapted for connecting to the primary power source for receiving power therefrom. The delay circuit is connected to the output switch for energizing it while the power is being received and for a delay period thereafter. The delay circuit includes an energy-storage component for storing energy while the power is being received and discharging the stored energy when the power is not being received in order to energize the output switch for the delay period.

Abstract: A load control device for controlling an amount of power delivered to an electrical load from an AC power source, the load control device comprising a semiconductor switch operable to be coupled in series electrical connection between the source and the load, the semiconductor switch having a control input for controlling the semiconductor switch between a non-conductive state and a conductive state; a controller operatively coupled to the control input of the semiconductor switch for controlling the semiconductor switch between the non-conductive state and the conductive state; a touch sensitive front surface; a touch sensitive device responsive to a point actuation on the touch sensitive front surface, the point actuation characterized by a position and a force, the touch sensitive device comprising a resistive divider and an output operatively coupled to the controller for providing a control signal to the controller; and a capacitor coupled to the output of the touch sensitive device for stabilizing the c

Abstract: A user interface for a lighting control, the user interface comprising a touch sensitive front surface having a longitudinal axis and a lateral axis; a four-wire resistive touch pad responsive to a point actuation on the touch sensitive front surface, the resistive touch pad having a longitudinal resistive element for providing a first control signal representative of the position of the point actuation along the longitudinal axis, and a lateral resistive element for providing a second control signal representative of the position of the point actuation along the lateral axis; a controller operable to receive the first and second control signals; a first capacitor adapted to be coupled between the lateral resistive element and a circuit common, the first capacitor operable to charge and discharge through the longitudinal resistive element of the resistive touch pad to stabilize the first control signal; and first, second, and third switches responsive to the controller, each of the switches comprising first,

Abstract: A wireless lighting system includes an enclosure containing a lighting load. The enclosure has a panel that is movable to access an inside of the enclosure, and the panel has a closed position and at least one open position. The system also includes a self-energizing switch that is actuated to transmit a wireless signal by a movement of the panel to or from the closed position. A receiver is operable to selectively couple the lighting load to a power supply in response to the signal from the self-energizing switch.

Abstract: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled in series electrical connection between an AC power source and an electrical load, and to be further coupled together via an accessory wiring. The remote devices can be wired on the line side and the load side of the load control system, such that the main device is wired “in the middle” of the load control system. The main device is operable to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half-cycle of the AC power source. The main device and the remote devices are operable to communicate with each other via the accessory wiring during a second time period of the half-cycle.

Abstract: Lighting devices for a vehicle are disclosed that can include a light emitting diode and control circuitry for the light emitting diode. Also disclosed are circuits for a light emitting diode. Additionally, a method of forming a lighting device is disclosed. The lighting device, circuits, and method can be used, for example, to illuminate the interior of a vehicle.

Abstract: A flashlight is provided with an end cap which carries an axially-actuated switch for turning the flashlight on and off with a convenient one-handed operation. The switch is designed with a latching function and a mode selection function which can be cycled through high, low and strobed light outputs with a partial throw of the switch. Cut-out portions are provided in the end cap for guiding a user's finger toward the switch and away from the sidewalls of the end cap.

Abstract: In embodiments of the present invention improved capabilities are described for systems and methods that provide for a power outage lighting management within an environment, comprising a power outage detection device adapted to detect a power outage condition and to wirelessly transmit power outage indication data to a plurality of lighting systems within the environment, where at least one of the plurality of lighting systems include an LED light source that is powered by an internal power source.

Abstract: A high-brightness LED lamp with battery conservation and solar charging features. The portable, self-contained lamp utilizes one or more high-brightness LEDs to provide area or decorative illumination. A solar cell charging device maintains the rechargeable batteries during the daytime with available ambient light. An electronic control circuit conserves battery power by limiting the period of time that the LEDs are energized during nighttime hours when ambient lighting conditions cannot support the recharging function. A photodetector device allows the control circuit to make this determination.

Abstract: A combination dock light, safety light, and bollard serves the purposes of all three, without having any sensitive structure projecting out from the bollard into the traffic lane at the loading dock. A trailer lamp assembly within the bollard projects out a window cutout at an upper end of the tubular metal body of the bollard. A red/green safety light is visible through an elongated cutout on the proximal side of the bollard. A photo eye turns the lamp on when the loading dock door is opened, and off when the dock door is closed, and also switches the safety light to green or to red depending on whether the dock door is opened or closed.

Abstract: A load control device, such as a dimmer switch, has a touch sensitive actuator, such as a three-wire touch sensitive screen, that produces an output voltage representing the position of a manual pressure touch along a longitudinal axis of the actuator. A stabilizing circuit receives the output voltage of the actuator and comprises, for example, a capacitor. The stabilizing circuit operates to prevent the detection of transient touches and touches having less than a certain actuation force, such that the output voltage is responsive only to the position of the touch. In addition, a usage detection circuit may also be coupled to the output voltage of the actuator for determining whether the touch is presently occurring. Alternatively, the actuator may comprise a four-wire touch sensitive screen that produces a first output voltage received by the stabilizing circuit and a second output voltage received by the usage detection circuit.

Abstract: A semiconductor device which combines reliability and the guarantee of electrical characteristics is provided. A power MOSFET and a protection circuit formed over the same semiconductor substrate are provided. The power MOSFET is a trench gate vertical type P-channel MOSFET and the conduction type of the gate electrode is assumed to be P-type. The protection circuit includes a planar gate horizontal type offset P-channel MOSFET and the conduction type of the gate electrode is assumed to be N-type. These gate electrode and gate electrode are formed in separate steps.

Abstract: An electronic device includes a main body, an illuminator received within the main body, a transparent rear cover attaches to the main body, a color tape, a key and a reflective film. The main body and the rear cover cooperatively define a compartment for receiving a battery therein. The color tape attaches to the inner surface of the rear cover. The illuminator is configured for illuminating the color tape on the inner surface of the rear cover. The key is arranged on the main body and connected to the illuminator for switching on/off the illuminator. The reflective film is adhered to the rear cover. The rear cover includes a covered portion with the reflective film attached thereon and an exposed portion free of the reflective film attached thereon.

Abstract: The invention relates to button based color navigation in a lighting or visualization system, particularly for allowing fast and slow navigation through the colors in a lighting or visualization system only by usage of buttons. For the navigation, a device (10; 50) is provided which comprises several buttons (14,16, 18, 20, 22, 24,- 52, 54) arranged in predetermined order (12,-56), wherein each of the buttons is provided for a certain color of the system to be selected. Presses of one or more buttons (S10) are sensed, parameters of the sensed presses (S12) are evaluated, and a color in the system is changed depending on the evaluation of the parameters (S14, S16, S18, S20).

Abstract: Disclosed is a modular lighting system that incorporates wireless technology and a standard interface. The lighting system may be installed in new buildings or retrofitted into existing buildings in such a way that provides many lighting configurations and programmability options while minimizing the amount of new wiring. The system includes a transceiver that controls one or more lamps using a dimming ballast or a relay and a low cost ballast. The dimming ballast, and the relay (if used) provide low voltage power to the transceiver over a cable having a standard interface, such as an RJ11 telephone jack. The transceiver provides on/off switching control and dimmer control, through the same cable, to the relay or dimming ballast. The transceiver can be located in the same room as the lamps it controls, or remotely located. A central computer or controller can control multiple transceivers over a wireless link.

Abstract: A lamp assembly includes a lamp device mounted detachably on a stand unit. The lamp device includes a lampshade for receiving a light emitting element. An electrical connector is coupled electrically to the light emitting element and a power source in such a manner that when the lamp device is mounted on the stand unit, the electrical connector is plugged into the power source so that the light emitting element is supplied with electricity by the power source. A storage battery module is coupled electrically to the electrical connector and the light emitting element so that when the lamp device is mounted on the stand unit, the storage battery module is charged by the power source via the electrical connector. When the lamp device is detached from the stand unit, the light emitting element is supplied with electricity by the storage battery module.

Abstract: A battery powered high-intensity illumination device enclosed in a waterproof housing is adapted for removable attachment to a surface adjacent to a lock. Upon removing the device from the surface, one may easily transport it in the palm of one's hand or in a pocket, because of its compact, ergonomic size and shape. Activation of the device may be automatic, triggered by motion detection or a touch-sensitive switch. An internal shutoff timing circuit ensures hands free operation and energy efficiency. Angular adjustment allows the housing to be rotated so as to fixably alter the angle of the light beam with respect to the illumination target. A reflector allows the light source to be shielded from view and for light output to be focused on an area of interest. The size, shape, and appearance of the lock light are appealing and unique features of the device.

Abstract: A lighting device for helmet comprises a helmet including an arm to which are fixed a microphone and a lamp, called “lip light”, lighting with at least one lighting level. The device comprises a head tracking system comprising a computer for measuring and collecting data concerning the attitude of the helmet in motion and its position in space. Lamp activation means are automatically controlled by positions calculated by the computer so that the lip light lights, with one of its lighting levels, when it is oriented in a direction contained within a predefined area.

Abstract: A method of saving energy is provided. The method can include providing at least one object sensor coupled to at least one light, and sensing if at least one object is present adjacent to the at least one light. The method can further include determining if the time of day corresponds to a desired start-up time, and illuminating the at least one light if the time of day corresponds to the desired start-up time and the at least one object is adjacent to the at least one light.