Patent classifications
F21W2111/02
RETROFIT ELECTRIC VEHICLE CHARGING SYSTEM WITH OPTIONAL ADVERTISING AND NETWORKING FUNCTIONALITY AND RETROFITTING METHODS FOR THE SAME
Systems and methods for retrofitting existing light and other poles to provide additional functionality in the form of one or more electric vehicle charging stations. Exemplary systems include EV charging station bases that are interposable between an existing pole and its associated buried anchor base, and include one or more EV charging stations that may be powered through the existing electrical wiring of the pole to be retrofit. Exemplary systems may offer additional functionality in the form of optional advertising, Internet connectivity, and other features.
LIGHTED TRAFFIC CONTROL DEVICE
A lighted traffic control device is disclosed as it may be implemented to bring attention to approaching lane closures and other work zone strategies a mat configured for placement on a road surface. An example lighted traffic control device includes an independent power source integral with the mat. The example lighted traffic control device also includes an LED lighting circuit having a plurality of LED lights inset into the mat in a configuration corresponding to a road sign. The example lighted traffic control device also includes a control circuit integral with the mat to operate the LED lighting circuit according to a road or lane closure plan.
Linear optical projection device and method of use thereof
An optical projection device for projecting a linear image is disclosed. Light emitted by an array of light emitting diodes arranged along an array axis is focused in at least a direction perpendicular to the array axis and diffused in a direction parallel to the array axis, thereby generating a linear image in which light from adjacent light emitting diodes is spatially overlapped. In some embodiments, the focusing and diffusion of the light is performed by a Fresnel lens and a lenticular lens, respectively. The optical projection device may be employed to virtually mark a surface, such as a floor in an industrial setting. High power light emitting diodes may be employed to generate a linear image having an illuminance of at least 4000 lux that is focused to a distance between 7.5 and 20 feet.
METHOD FOR CONTROLLING THE LIGHT DISTRIBUTION OF A LUMINAIRE
Method for controlling the light distribution of a traffic route luminaire (1) in a network of luminaires, which is preferably also organized as a mesh network. The luminaire has a luminaire head having a settable light module and a controller, the light distribution of the luminaire being variable. The luminaire communicates luminaire data to at least one server, the luminaire data being luminaire-specific and including the installation location of the luminaire. The method comprises the steps of: —automatically allocating a light distribution to the luminaire (1) in accordance with the communicated luminaire data; —automatically setting the light module on the basis of the allocated light distribution; and determining, by said at least one server, a light distribution class of the traffic route luminaire on the basis of a traffic route topology (2,3,4,5,6).
DSRC Traffic Light
A light bulb assembly equipped for dedicated short range communication (DSRC). The light bulb assembly includes a light emitting element and a DSRC transceiver. The light bulb assembly is configured for receipt by a traffic light.
Heated lens lighting arrangement
According to aspects of the embodiments, a lighting fixture is designed to help prevent the accumulation of snow or ice on the light emitting face {e.g., lens) of the lighting fixture. The lighting fixture harvests both the light and heat generated by at least one light source, such as but not limited to at least one LED light source. The lighting fixture adopts a flip-mount light source mounting design in which one side of a passive heat exchanger is mounted or secured closely adjacent or proximate to the lens, and the light source is mounted or secured to another side of the passive heat exchanger. The heat generated by the light source is conducted by the passive heat exchanger to heat the lens. Additionally, the light emitted from the light source is redirected back through the passive heat exchanger and to the lens using a bundle of light fiber cables.
Lighting arrangement, in particular for escape route lighting
In a lighting arrangement, in particular for escape route lighting, comprising a light source and an optical element assigned to the light source, said optical element being designed to emit asymmetrically the light emitted by the associated light source, the optical element can be positioned in different ways.
Sequential and coordinated flashing of electronic roadside flares with active energy conservation
Electronic light emitting flares and related methods. Flares of the present invention include various features such as self-synchronization, remote control, motion-actuated or percussion-actuated features, dynamic shifting between side-emitting and top-emitting light emitters in response to changes in positional orientation (e.g., vertical vs. horizontal) of the flare; overrides to cause continued emission from side-emitting or top-emitting light emitters irrespective of changes in the flare's positional orientation; use of the flare(s) for illumination of traffic cones and other hazard marking or traffic safety objects or devices, group on/off features, frequency specificity to facilitate use of separate groups of flares in proximity to one another, selection and changing of flashing patterns and others.
Apparatus providing beamforming and environmental protection for LED light sources
Apparatus providing beamforming and environmental protection for LED light sources. A lens apparatus is provided to protect an LED mounted on a substrate. The lens apparatus includes an alignment feature configured to align the LED to a selected position and a focusing region configured to form a selected beam pattern from light emitted from the LED when located at the selected position. The lens apparatus also includes a compression surface configured to compress the substrate to a heat sink to facilitate heat dissipation from the LED and a fastening feature configured to fasten the lens apparatus to the heat sink to provide an environmentally protective seal, so that when the lens apparatus is fastened to the heat sink the alignment feature aligns the LED to the selected position, the compression surface compresses the substrate to the heat sink, and the protective seal protects the LED from environmental conditions.
BARRIER GATE ARM WITH RECESSED LIGHT HOUSING
A vehicle barrier gate arm is pivotable between an upward and downward position. The gate arm has an exterior wall and one or more recessed light housings within visor channels. Each light housing may contain a light system such as an LED light strip or a light rope. The light housing is positioned at the inward end of a visor channel. The visor channel is defined by two opposing, parallel visor channel walls extending inward from the exterior wall. Each visor channel wall has a retaining fin extending perpendicularly from the visor channel wall into the visor channel, thereby forming an aperture in the light housing. The light housing is situated behind the retaining fins. The retaining fins and the visor channel walls form crooks within the upper and lower corners of the visor channels. The visor channels and the crooks shade the light housing and create dark regions of the channels. The shaded visor channels provide a stronger contrast between illuminated and non-illuminated LED lights strips, allowing an observer to better determine whether the LED lights strips, which often act as signals, are activated or are not activated.