Abstract: A system for adding persistence to SPAD imagery is configurable to capture, using a SPAD array, a plurality of image frames. The system is configurable to capture, using an IMU, pose data associated with the plurality of image frames. The pose data includes at least respective pose data associated with each of the plurality of image frames. The system is configurable to determine a persistence term based on the pose data. The system is also configurable to generate a composite image based on the plurality of image frames, the respective pose data associated with each of the plurality of image frames, and the persistence term. The persistence term defines a contribution of each of the plurality of image frames to the composite image.

Abstract: An aircraft beacon light includes a plurality of primary light sources for emitting light into at least two spatial sectors, wherein the at least two spatial sectors include a forward sector and at least one of an aft sector, a starboard lateral sector, and a portside lateral sector; and a light transmissive cover, which covers the plurality of primary light sources. The plurality of primary light sources are arranged and configured for providing an FAR-compliant aircraft beacon light output of the aircraft beacon light, in case of the light transmissive cover being in a non-eroded state. The aircraft beacon light also includes at least one booster light source for selectively emitting a booster light output into the forward sector. The at least one booster light source is controllable independently of the plurality of primary light sources.

Abstract: Disclosed are a testing device for a cognitive ability of tupaia belangeri and a testing method. The testing device includes a life cage, a maze, a rest bin, a rolling door, a camera module and a control module, and further includes at least one of projection modules, a touch module and a loudspeaker; the maze is composed of a plurality of maze pipelines in mutual, vertical, horizontal and crossed connection, and an interior of an intersection is communicated; the maze communicates with the life cage and the rest bin respectively; the rolling door is arranged at the intersection of the maze pipelines; the projection modules and the camera module are all arranged in a center of the intersection of the maze pipelines.

Abstract: In some embodiments, a system comprises a host computing device and an audio device communicatively coupled to the host device and including at least one speaker and a plurality of light emitters. The host computing device can include a processor(s) and one or more machine-readable, non-transitory storage mediums with instructions configured to cause the processor(s) of the host computing device to perform operations including receiving user environment data by one or more sensors of the host computing device, receiving user selection data corresponding to a selected mode of operation of the audio device, determining a characterization profile of a surrounding environment of the user based on the user environment data, and sending the characterization profile to the audio device, the characterization profile configured to cause the audio device to control the plurality of light emitters based on the characterization profile and the selected mode of operation.

Abstract: An snap-action type switch unit includes a switch housing; an actuator plunger configured for depressible movement via an aperture in the switch housing from a first position to a second position; a snap-action switch assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect snap-action type movement of at least one movable contact between a normally opened position and a normally closed position with respect to at least one stationary contact in order to effect switching of electric power; and a signaling signaling assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect movement of at least one movable conductive element of the signaling assembly amongst a plurality of different electrical contact point configurations with respect to at least one stationary conductive element of the signaling assembly.

Abstract: A vehicle attachment comprising a housing body comprising a pivot. The vehicle attachment can also have a detachable component comprising an elongated body having a multiplicity of sides, wherein a head portion is located on a distal end of the elongated body and a handle is located at the proximal end of the elongated body. The attachment can additionally have a coupling assembly configured to allow the detachable component to be removed and a charging assembly, wherein said charging assembly comprising a battery and an output, wherein the charging assembly is configured to charge the detachable component.

Abstract: A directionally manipulatable view enhancement apparatus including a fixed base, a rotatable support supported on the fixed base and rotatable about a pan axis, a yoke disposed on and pivotable with respect to the rotatable support about a tilt axis substantially perpendicular to the pan axis, a pan motor that rotates the rotatable support and yoke about the pan axis, a tilt motor that rotates the yoke about the tilt axis, and a first clutch between the rotatable support and the pan motor permitting the rotatable support to rotate relative to the fixed base independently of the pan motor or a second clutch between the yoke and the tilt motor allowing the yoke to rotate relative to the rotatable support independently of the tilt motor. The yoke retains an electrical component and the pan motor and tilt motor are in electrical communication with a controller remote from the fixed base.

Abstract: A computer-implemented method and system for synchronizing a mass notification. A method includes detecting an update in a configuration at a control panel over a first communication channel, and generating an update notification message based at least in part on the detection. The method can also include transmitting the update notification message over a second communication channel to synchronize an MNS with the update in the configuration at the control panel.

Abstract: An optical transceiver includes a housing, circuit board, first heat source and heat conductive component. The housing includes first and second housing stacked on each other and together form accommodation space. The circuit board is disposed in the accommodation space. The circuit board has first and second surface. The first surface and the second surface face away from each other. The first surface faces the first housing. The second surface faces the second housing. The first heat source is disposed on the second surface of the circuit board and electrically connected to the circuit board. The heat conductive component is disposed on the first surface and thermally coupled to the first housing. Size of projection of the heat conductive component onto the second surface is larger than size of projection of the first heat source onto the second surface.

Abstract: The present disclosure is applicable to a display apparatus-related technical field, and relates to, for example, a rotating display apparatus using a light-emitting diode (LED) which is a semiconductor light-emitting device. According to the present disclosure, a rotating display apparatus using a light-emitting device, comprises: a fixed part including a motor; a rotary part located on the fixed part and rotated by the motor; and a light source module which is coupled to the rotary part, and which includes at least one panel that is radially arranged or at least one panel that is arranged along the cylindrical surface, and a first light-emitting device array having individual pixels that are arranged on each panel in the longitudinal direction, wherein sub-pixels forming the individual pixel of the first light-emitting device array can be arranged along a direction orthogonal to the longitudinal direction.

Abstract: An intelligent vehicle registration plate mounted on a first vehicle comprises sensors, a non-transitory computer readable storage medium (NCRSM), and a processor. The sensors generate and transmit sensor data variables (SDV) based on detected parameters of a first vehicle. The data communications module (DCM) receives a request to locate a vehicle of interest. The analyzing module dynamically analyzes the SDV to identify a match between the first vehicle and the vehicle of interest and notifies the server based on the SDV exceeding a threshold. The DCM notifies the server of the location of the vehicle of interest. The system adds smart and secure functions for identification of registered vehicles, for example, early detection of severe accidents, detecting dangerous drifting on the streets, call and track feature, securing plate numbers from dismantling, applying basic analytics like number, type, and location of incidents within a certain period, etc.

Abstract: Systems and methods for minimizing an aircraft turn radius are disclosed. For example, a method to minimize an aircraft turn radius may include receiving an activation signal from an activation switch. The activation switch may be configured allow a selected turn. The method may also include receiving a turn command in a direction of the selected turn. The method may also include transmitting a turn signal to an actuator operatively coupled to a nosewheel assembly. The actuator may rotate a shaft in the direction of the selected turn to move at least one nosewheel from a first angle to a second angle with reference to a longitudinal axis of the aircraft. The method may also include transmitting a thrust signal to at least one of a plurality of thrust-producing devices operatively coupled to a first wing and a second wing operatively coupled to the aircraft.

Abstract: The present disclosure includes an HVAC system that includes a plurality of dampers each corresponding to one building zone of a plurality of building zones, a plurality of sensors each corresponding to the one of the plurality of building zones, and a control board communicatively coupled with the plurality of dampers and sensors. The control board includes a plurality of status light sources, each corresponding to one damper the plurality of dampers, a plurality of communication light sources each corresponding to one sensor of the plurality of sensors, and a microcontroller programmed to control operation of equipment in the HVAC system. The microcontroller is configured to perform “a hardware test mode” to facilitate diagnosis of the plurality of dampers by causing the plurality of status light sources to sequentially execute a first light scheme or a second light scheme in response to instructions to the plurality of dampers.

Abstract: Systems and method for a vehicular-based transforming LED (VBTLED) volume. As an example, the system includes a transforming trailer, mountable to a vehicle. The trailer has one or more fixed interior surfaces and a one or more movable interior surfaces, a floor, and a ceiling. The trailer also includes a first LED panel coupled to a first movable surface such that movement of first movable surface moves the first LED panel; a second LED panel coupled to a first fixed surface; and a third LED panel coupled to at least one of a second movable surface or a second fixed surface. The first LED panel, the second LED panel, and the third LED panel form an LED volume configured to display visuals for a background of a scene filmed within the LED volume.

Abstract: The disclosure addresses an external lighting unit for an aircraft. This external lighting unit includes a lighting unit housing have a mounting flange that is configured to provide a reduced contact with a supporting structure (e.g., a tail cone of an aircraft), which in turn reduces conductive heat transfer between the supporting structure and the lighting unit housing (more specifically reduces conductive heat transfer between the supporting structure and a printed circuit board that is disposed within the lighting unit housing and that may be seated on a portion of the lighting unit housing). Open spaces on the surface of the mounting flange that face toward the supporting structure may be occupied by a thermal insulator.

Abstract: Systems and methods for forming a verified secure wireless connection are disclosed. One system includes a first device with a first transceiver and a second device with a second transceiver. The second device does not include a display or any other means for providing high resolution visible light information. The system also includes a visible light signal source on the second device. The first and second devices store computer-readable instructions to initialize a secure wireless connection using the first transceiver and the second transceiver. The second device also stores computer-readable instructions to generate a visible light signal using the visible light source. The first device stores computer-readable instructions to verify the secure wireless connection using the visible light signal.

Abstract: The invention relates to a method for locating an electronic shelf label with an unknown location, in particular in the form of an electronic shelf label display, of an electronic shelf labelling system, wherein the system comprises a number of access points with known locations, which are positioned in different positions at a distance from a shelf, wherein the shelf has at least one shelf edge strip and wherein one of the shelf edge strips has at least one electronic shelf label that is designed such that it can be contactlessly supplied with power, and an electronic power supply device located on the shelf edge strip and designed for contactlessly supplying the at least one shelf label with power, wherein the method comprises the following method steps: determining the position of the electronic supply device in relation to the access points with known locations using an ultra-wide-band radio communication between the access points and the power supply device.

Abstract: A system for battery management for a vehicle that includes at least a battery coupled to the vehicle, at least a sensor coupled to the battery, the sensor configured to detect an internal state datum of the battery, and transmit the internal state datum to a computing device, a computing device, the computing device configured to receive the internal state datum from the at least a sensor, generate an alert datum as a function of the internal state datum and an alert threshold, transmit the alert datum to a remote device, and a remote device communicatively connected to the vehicle, the remote device is configured to, receive the alert datum from the computing device, and display the alert datum.

Abstract: A hazard beacon has an interface to a vehicle wiring harness configured to detect that vehicle emergency indicators have been deployed, a plurality of separately strobe capable light segments forming a hazard symbol, and a microcontroller controlling operation of the plurality of separately strobe capable light segments.

Abstract: In one example in accordance with the present disclosure, a computing device is described. The computing device includes a housing and a light source to illuminate through a window in the housing. The computing device also includes a controller. The controller determines a usage level of a processor of the computing device. The controller also adjusts a characteristic of the light source based on a determined usage level of the processor.

Abstract: Obscured feature detectors are disclosed that have both the capability to sense the location of obscured structural features and the ability to warn a user of obscured live electrical wires in the vicinity. Apparatus, devices, and methods to detect a presence of hidden or obscured objects or features behind opaque, solid surfaces are disclosed. Beams, studs and columns behind walls and joists beneath floors can be located. Also, a presence of an electrical field strength associated with live wires behind walls and beneath floors can be detected. The location of obscured features and the electric field strength can be displayed simultaneously.

Abstract: A fiber port management system that can be connected between network devices and network appliances is provided. The fiber port management system includes a housing, one or more hydra cables within the housing, one or more indicators and a controller. The housing has a front panel with a plurality of low density fiber connectors and a rear panel with a plurality of high density fiber connectors. The hydra cable is positioned within the housing and connects one of the plurality of high density fiber connectors to two or more of the plurality of low density fiber connectors. The one or more indicators are associated with each of the plurality of low density fiber connectors and each of the plurality of high density fiber connectors. The controller is located within the housing and is used to control the operation of the indicators.

Abstract: A cable management system includes multiple cables, each having a unique identifier associated therewith and each including first and second barcodes including the unique identifier, the first barcode located proximate a first end of the cable, the second barcode located proximate a second end of the cable. The system also includes a barcode scanner to scan barcodes of the cables, the barcode scanner including a clip to receive one of the cables. The system also includes a mobile computing device having a processor, data storage medium, communication unit, and user interface including a display. The mobile computing device is configured to receive via the user interface first end location information for a first cable, receive from the barcode scanner the first barcode of the first cable, and save and display the first end location information in association with the unique identifier of the first cable included in the first barcode.

Abstract: An electronic apparatus for displaying an image by using visual afterimage of a light source, the apparatus comprises a communication unit performing data communication to a light source; a control unit controlling light emission of the light source; a body storing the communication unit and the control unit; and a fixing unit for attaching the body on a body of a user, wherein the light source provides an image based on changes in spatial position of the light source.

Abstract: Disclosed herein is a system and method for installing a set of electronic equipment in an enterprise location, the method comprising: specifying one or more functional operations for the set of electronic equipment to perform within the enterprise location; installing a set of electronic equipment in a mechanical housing, the mechanical housing adapted to be installed in a suspended ceiling in place of one or more ceiling tiles; and configuring each of the one or more separate pieces of electronic equipment that make up the set of electronic equipment such that upon installation in the suspended ceiling, the set of electronic equipment operates and communicates in the manner as specified.

Abstract: A system for adding persistence to SPAD imagery is configurable to capture, using a SPAD array, a plurality of image frames. The system is configurable to capture, using an IMU, pose data associated with the plurality of image frames. The pose data includes at least respective pose data associated with each of the plurality of image frames. The system is configurable to determine a persistence term based on the pose data. The system is also configurable to generate a composite image based on the plurality of image frames, the respective pose data associated with each of the plurality of image frames, and the persistence term. The persistence term defines a contribution of each of the plurality of image frames to the composite image.

Abstract: A driving device comprises a first transistor (B13), a second transistor (B14), and a resistance element. The first transistor (B13) has one terminal receiving a pulsed current and a control terminal connected to the one terminal. The second transistor (B14) has one terminal connected to at least one load, the other terminal connected to a reference potential together with the other terminal of the first transistor (B13), and a control terminal connected to the control terminal of the first transistor (B13). The resistance element is connected between the control terminal of the first transistor (B13) and the other terminal of the first transistor (B13).

Abstract: This disclosure relates to a device to mechanically and electrically connect with a touch screen computing device, such as a tablet computer. The device can include a platform that can be moved into and out of physical contact with a surface of a touch screen. During engagement with the surface, the moveable platform electrically interacts with the touch screen (e.g., via capacitive coupling) to enable detection by the touch screen of contact members (e.g., pegs) even in the absence of user contact with the pegs.

Abstract: Embodiments of the present invention are directed to systems, devices, lockable enclosures, and methods for data centers. In one example, a lockable enclosure for a data drive is provided. The lockable enclosure includes a housing configured to retain a first data drive and a latch contained within the housing and configured to receive a second data drive, wherein the latch is configured to move within the housing for dispensing the first data drive from the housing while the second data drive remains secured therein.

Abstract: A display panel includes a display area, in which a plurality of pixels is arranged and a plurality of peripheral areas surrounding the display area. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, a first external signal line disposed on the first substrate in a first peripheral area of plurality of peripheral areas and connected to an external device, and a first through-hole terminal including a conductive material filled in a hole defined through the first substrate in an area in which the first external signal line is disposed.

Abstract: An aircraft beacon light includes a light source carrier, wherein the light source carrier comprises a plurality of connection fields, with the plurality of connection fields forming at least two polygonal connection structures on the light source carrier. The beacon also includes a plurality of LED modules, with the plurality of LED modules being arranged along a particular one of the at least two polygonal connection structures and with each of the plurality of LED modules being coupled to a respective connection field of said particular one of the at least two polygonal connection structures.

Abstract: An electronic vehicular license plate system that includes a waterproof housing having a shape and size similar to a standard vehicle license plate with the housing mountable to a vehicle's existing license plate mounting region, the housing including a transparent display cover, an electronic visual display screen supported within the housing and viewable through the display cover of the housing with the screen displaying vehicle license plate information, a power source connected to and powering the screen, a central processing unit connected to the screen and controlling the operation of the screen, a wireless data transmission device connected to the central processing unit, a memory drive connected to the central processing unit, and a Global Positioning System connected to the central processing unit.

Abstract: A rear lamp with an alarm function for a vehicle includes a light source; a reflector reflecting a light emitted from the light source to a mask; a lamp housing accommodating the light source and the reflector therein; and a mask coupled to the lamp housing and transmitting the light reflected by the reflector to an outside of the rear lamp apparatus therethrough, and the mask includes a first optical device capable of forming a pattern on a road, thereby implementing an alarm function.

Abstract: A direct-attach cable data transmission visual indicator system includes a networking device having a port, and a direct-attach cable that includes a direct-attach cable connector that is located on an end of the direct-attach cable and that couples the direct-attach cable to the port, and a visual indicator device that is included on the direct-attach cable adjacent to and spaced apart from the direct-attach cable connector. The visual indicator device receives, from the networking device via the port and the direct-attach cable connector, data transmission information that is associated with the transmission of data via the port, and provides a visual indication that is based on the first data transmission information.

Abstract: A digital license plate includes a display system capable of showing a license number readable by camera systems even under poor external lighting conditions. A light redistribution element is positioned near the display system and a lighting system is positioned to direct light from the light redistribution element and toward the display system. In some embodiments the lighting system includes a non-visible lighting element such as can be provided by an infrared source, and the display system includes an electrophoretic or LCD display.

Abstract: A lamp for a vehicle or other object that includes multiple functions. In one aspect, the lamp includes a first circuit for emitting a first color light (such as red light), and at least a second circuit for emitting a second color of light (such as amber light). In another aspect, the lamp optionally includes a microcontroller that may be programmed to control the activation of the different colored lamp circuits based on lamp location information, and based on an operating mode.

Abstract: An external indicator assembly for a central processing unit (CPU) disposed within an equipment cabinet, including: an internal fitting adapted to be disposed adjacent to indicator lights associated with the CPU; an external fitting adapted to be coupled to or disposed through an external surface of the equipment cabinet; and one or more optical fibers adapted to be coupled between the internal fitting and the external fitting such that light from the indicator lights is transmitted from the CPU disposed within the equipment cabinet external to the equipment cabinet such that the light is visible to a person external to the equipment cabinet. This allows the person to visually assess the status or power-down cycling of the CPU during a shutdown or restart process without or before opening the equipment cabinet, thereby preventing corruption of the CPU and assuring personal safety by avoiding contact with powered components.

Abstract: Speaker systems are provided, particularly for mounting in off-road vehicles, ATVs, UTVs, watercraft and motorcycles. The speaker systems may include a linear array of speakers and a housing encasing a backside thereof. In some cases, the speaker systems include a pipe-mounting clamp coupled to the housing for mounting the speaker system to a surface. In addition or alternatively, the speaker systems may include mounting brackets arranged along opposing lateral sides of the housing for mounting the speaker system to a surface. In any case, the speaker systems may include a power cord extending from one of the opposing lateral sides of the housing in some embodiments.

Abstract: In a mobile part having at least one module, and a method for operating a mobile part, the mobile part is able to be moved on a driving surface, and the module includes a controllable illumination device. The illumination device is provided and/or situated in elongated form along a planar curve, in particular, a line.

Abstract: Systems and methods for IR readable transmissive and reflective displays are disclosed that do not suffer from a mirror-like appearance or undesirable dimming of the display due to sequential stacks of polarizers. The disclosed systems and methods use available IR LEDs in addition to, or in place of, visible light LEDs. An illuminator or integrator, which is a lightguide, is designed to maintain the polarization state of the light. The display can use a regular visible light, front polarizer and hence does not suffer from brightness reduction caused by an IR capable polarizer.

Abstract: Embodiments of the present invention are directed to systems, devices, lockable enclosures, and methods for data centers. In one example, a lockable enclosure for a data drive is provided. The lockable enclosure includes a housing configured to retain a first data drive and a latch contained within the housing and configured to receive a second data drive, wherein the latch is configured to move within the housing for dispensing the first data drive from the housing while the second data drive remains secured therein.

Abstract: A directionally manipulatable view enhancement apparatus including a fixed base, a rotatable support supported on the fixed base and rotatable about a pan axis, a yoke disposed on and pivotable with respect to the rotatable support about a tilt axis substantially perpendicular to the pan axis, a pan motor that rotates the rotatable support and yoke about the pan axis, a tilt motor that rotates the yoke about the tilt axis, and a first clutch between the rotatable support and the pan motor permitting the rotatable support to rotate relative to the fixed base independently of the pan motor or a second clutch between the yoke and the tilt motor allowing the yoke to rotate relative to the rotatable support independently of the tilt motor. The yoke retains an electrical component and the pan motor and tilt motor are in electrical communication with a controller remote from the fixed base.

Abstract: An illuminable electronic connector for facilitating connection with an electronic device has an illumination circuit with at least one illumination source, and an on-board power source for supplying power to the illumination source in at least some modes of operation. The connector may be configured to adjust brightness of the illumination source based on ambient light conditions using an on-board light sensor. A touch sensing input may also be provided to operate the illumination source. The connector may be further operable to enter a sleep mode when it enters a shipping phase of a supply chain and then to automatically activate the illumination source when it is unpackaged at the end of the shipping phase. An electronic device including an electronic visual interface, such as a mobile phone, may be also operated in a similar manner based on the phase of the device within a supply chain.

Abstract: A lighting apparatus includes a first light source, a second light source, a current controller, a current source and a signal converter. The light source set has a first light source and a second light source. The current source is controlled by the current controller for generating a first driving current to the first light source and for generating a second driving current to the second light source. The signal converter for converting a first type control signal to a second type control signal. The first type control signal indicates a light parameter to be produced by the light source set and the second light source. The second type control signal includes a clock signal and a data signal supplied to the current controller to determine the first driving current and the second driving current.

Abstract: Disclosed is a system for generating alerts communicated to emergency responders and/or contacts indicating a location of an incident. The system comprises a housing, one or more light sources, and a computing processor. A switch is located in the housing and configured to be accessible to a user. When the switch is actuated by a user indicating an incident, the processor provides power to the at least one light source to output light from the housing thereby indicating the location of the system. The system may also control a speaker to output an audible signal and a transmitter to transmit an emergency signal with location information to a device of an emergency responder and/or an emergency contact. The present invention may also be embodied in a software application that is implemented on a mobile device to thereby leverage the components of the mobile device to send alerts.

Abstract: A reflector and a backlight having the same are provided. The reflector is provided with a special-shaped assembly hole. The special-shaped assembly hole includes a first included angle and a second included angle opposite to each other. Two sides forming the first included angle are respectively a first upper side and a second upper side, and two sides forming the second included angle are respectively a first lower side and a second lower side. The special-shaped assembly hole further includes a first arc-shaped side and a second arc-shaped side opposite to each other. The special-shaped assembly hole further includes a first limiting side, a second limiting side, a third limiting side, and a fourth limiting side.

Abstract: A module-rotation LED dome belongs to the technical field of display screens and includes multiple display devices. Each display device includes 1st-4th light-emitting units. The second light-emitting unit is located beside the first light-emitting unit and oriented with a clockwise rotation of 90 degrees relative to the first light-emitting unit. The third light-emitting unit is located below the second light-emitting unit and oriented with a clockwise rotation of 90 degrees relative to the second light-emitting unit. The fourth light-emitting unit is located beside the third light-emitting unit and oriented with a clockwise rotation of 90 degrees relative to the third light-emitting unit. The 2nd-4th light-emitting units sequentially are rotated clockwise with 90 degrees, so that adjacent full-color LEDs in the 1st-4th light-emitting units cannot form adjacent LEDs of a same color, and there is no condition of appearing a bright blue line.

Abstract: Aircraft anti-collision systems, anti-collision methods, and aircraft with anti-collision systems and methods are provided. A method including transmitting, by a light emitter, a first light pulse proximate to a wing edge at a first time, detecting, by a light detector, a reflection of the first light pulse at a second time, determining, by a processor, a distance from a first object to the wing edge in response to the first time and the second time, calculating, by the processor, a possible contact occurrence in response to the distance and an aircraft velocity, and controlling a user interface with the processor to generate a user alert in response to the possible contact occurrence.

Abstract: A brake control system includes a display, a processor, and a light sensor. The processor controls brakes of a towed vehicle. The processor also controls a brightness of the display based on information received from the light sensor. The light sensor may include a light dependent resistor or a photoresistor. The processor selectively sets or adjusts the brightness of the display based on sensed ambient light.

Abstract: Embodiments can provide a system and method of light validation in a lighting device, comprising communicating setpoint to a lighting device comprising a plurality of emitters; generating control signals for the plurality of emitters in response to the setpoint; calculating an estimate of the intensity and spectral power distribution of the composite radiant flux emitted by the lighting device through computing the control signals relative to lifetime performance data and a reference dataset.