A color temperature control method in the present disclosure includes: obtaining color coordinates and illuminance of each monochromatic lamp, and obtaining, based on the illuminance and an illuminance proportion of a color temperature, initial illuminance data of the monochromatic lamp at a current color temperature; calculating a coordinate difference between target color coordinates and mixed color coordinates obtained by performing illuminance mixing on the initial illuminance data; when the coordinate difference is within a first difference range, calculating illuminance changes of R and B based on the mixed color coordinates, the target color coordinates, correction coordinates of R, and correction coordinates of B; and obtaining latest channel values of R and B based on the illuminance changes of R and B, and regulating, based on the latest channel values, the color temperature of each monochromatic lamp on which color mixing is performed.

A color temperature control method in the present disclosure includes: obtaining color coordinates and illuminance of each monochromatic lamp, and obtaining, based on the illuminance and an illuminance proportion of a color temperature, initial illuminance data of the monochromatic lamp at a current color temperature; calculating a coordinate difference between target color coordinates and mixed color coordinates obtained by performing illuminance mixing on the initial illuminance data; when the coordinate difference is within a first difference range, calculating illuminance changes of R and B based on the mixed color coordinates, the target color coordinates, correction coordinates of R, and correction coordinates of B; and obtaining latest channel values of R and B based on the illuminance changes of R and B, and regulating, based on the latest channel values, the color temperature of each monochromatic lamp on which color mixing is performed.

A communication module includes a laser driving unit (LDU) and one or more multifunction illumination units. The one or more multifunction illumination units are be coupled to the LDU with an electrical connection and configured to transmit both electrical power and data.

Disclosed is an enhanced infinity mirror with an application interface for controlling and/or changing the illumination, reflection, and/or other effects produced by the enhanced infinity mirror. The enhanced infinity mirror may include a first reflective surface, a second reflective surface positioned relative to the first reflective surface, and light sources that generate an infinity effect based on reflections off the first reflective surface and the second reflective surface. The application interface may receive a pattern, and may control illumination of different sets of the light sources at different times according to the pattern by illuminating a first set of the light sources with first colors for a first duration as defined in a first step of the pattern, and a second set of the light sources with second colors for a second duration as defined in a second step of the pattern.

The invention relates to a luminaire (10) comprising illuminants (170) for generating light, and a control unit (110) for controlling the illuminants (170), and at least one further element (140), in particular an operator control element (143) or a sensor (142), for generating control information that influences the operation of the luminaire (10), wherein the control unit (110) is configured in such a way that a self-test is carried out after a supply voltage has been applied to the luminaire (10). Said self-test is carried out automatically and independently in an analysis mode of the luminaire (10), wherein the control unit (110) checks the luminaire (10) for the presence and/or the functionality of the at least one further element (140). Depending on the checking result, and the type of further unit (140) checked, the control unit (110) controls the illuminants (170) such that a temporally variable light emission (171) signals the checking result. Measuring devices (200, 210, 220) are additionally specified which detect the checking result by measurement of operating parameters of the luminaire (10) and present this information preferably by way of a display (211, 221) of the measuring device (200, 210, 220). A method is likewise specified which includes checking the at least one further element (140) and controlling the illuminants (170) by means of the control unit (110).

An in-flight announcement system (500) includes a voice input device (300) that inputs voice, a central control device (100) that translates an announcement content based on the input voice and outputs a modulation signal, a lighting device (400) that emits light based on the input modulation signal, and a receiving terminal (200) that specifies the announcement content based on an input light signal and outputs a translation result. The central control device (100) includes a recognition unit (101) that recognizes the voice information as utterance information, a determination unit (102) that determines whether the utterance information is a fixed sentence or not and outputs identification information of the fixed sentence, a text information group (103) including text information necessary for the determination unit (102) to determine and obtain the identification information, a translation unit (104) that translates the utterance information that is not determined as the fixed sentence and outputs reference information for the translation result, a storage (105) for storing the translation result, a generation unit (106) that generates a data set, a conversion unit (107) that generates the modulation signal based on the data set, and a moving body information management unit (108) that stores various information of an aircraft.

A network bridge for a lighting system is disclosed. For one example, a lighting system includes an inter-integrated circuit (I.sup.2C) cable, a light emitting diode (LED) driver, and wireless module coupled to the LED driver by way of the I.sup.2C cable. The LED driver is configured to control one or more LED light sources. The wireless module includes an antenna configured to receive a message according to any number of a plurality of wireless communication protocols. The wireless module is configured to process the message into an I.sup.2C data frame and to deliver the I.sup.2C data frame to the LED driver via the I.sup.2C cable, and the LED driver is configured to control a lighting application or one or more LED light sources based on an I.sup.2C data frame. The message can be a wireless communication protocol message such as a ZigBee message, Bluetooth message or WiFi message. The wireless module includes bridge circuitry configured to process the Zigbee message, Bluetooth message or WiFi message into an I.sup.2C data frame and to deliver the I.sup.2C data frame to the LED driver via the I.sup.2C cable using a serial data communication protocol.

A network bridge for a lighting system is disclosed. For one example, a lighting system includes an inter-integrated circuit (I.sup.2C) cable, a light emitting diode (LED) driver, and wireless module coupled to the LED driver by way of the I.sup.2C cable. The LED driver is configured to control one or more LED light sources. The wireless module includes an antenna configured to receive a message according to any number of a plurality of wireless communication protocols. The wireless module is configured to process the message into an I.sup.2C data frame and to deliver the I.sup.2C data frame to the LED driver via the I.sup.2C cable, and the LED driver is configured to control a lighting application or one or more LED light sources based on an I.sup.2C data frame. The message can be a wireless communication protocol message such as a ZigBee message, Bluetooth message or WiFi message. The wireless module includes bridge circuitry configured to process the Zigbee message, Bluetooth message or WiFi message into an I.sup.2C data frame and to deliver the I.sup.2C data frame to the LED driver via the I.sup.2C cable using a serial data communication protocol.

An optical system includes a plurality of laser light sources and an optical component. A first set of one or more laser light sources is configured to emit optical disinfection light at the optical component. A second set of one or more laser light sources is configured to emit optical communication light at the optical component. The optical component is configured to distribute the optical disinfection light in a first light distribution pattern, and to distribute the optical communication light in a second light distribution pattern. The optical component includes a first set of one or more metamaterial structures configured to distribute, in the first light distribution pattern, the optical disinfection light that is incident on the optical component, and a second set of one or more metamaterial structures configured to distribute, in the second light distribution pattern, the optical communication light that is incident on the optical component.

Embodiments of a live broadcast lighting system are disclosed. In one example embodiment, the live broadcast lighting system includes a light emitting apparatus, a control box being connected to the light emitting apparatus, and a device holder coupled to the control box. The device holder can be configured to releasably retain a video recording device. The control box can include an electronic control circuit configured to control rotation of the light emitting apparatus. The device holder can be configured to be rotatable independent of the rotation of the light emitting apparatus.