US Pat. No. 9,146,340

LED LIGHTING DEVICE, IN PARTICULAR CATADIOPTRIC SPOTLIGHT

ARTEMIDE S.p.A., Milan (...

1. A LED lighting device extending substantially along an axis (A) and comprising a LED light source; a light guide located
in front of the light source and extending between a proximal end substantially facing the light source, and a distal end
opposite the proximal end; and an optical system associated with the light source to direct the luminous flux emitted by the
light source, wherein the optical system comprises a primary reflector located at the distal end of the light guide and a
secondary reflector located substantially at the proximal end of the light guide; the light guide being shaped to internally
mix the light emitted by the light source, and to generate at the distal end of the light guide an emissive surface equivalent
to the real emissive surface of the light source at a predetermined position with respect to the optical system, and the reflectors
being shaped and located so that the primary reflector virtually reproduces the equivalent emissive surface substantially
at the focus of the secondary reflector.

US Pat. No. 9,063,257

LED ILLUMINATION LAMP

ARTEMIDE S.p.A., Milan (...

1. A LED illumination lamp, extending substantially along and about an axis and comprising a LED light source located substantially
along the axis; a light diverting optical element located substantially in front of the light source along the axis and shaped
so as to laterally divert the light impinging substantially axially on the optical element; and an optical guide plate surrounding
the optical element and the axis; the plate extending along the axis between two opposite faces respectively defining a front
light-exit surface and a rear active surface having a series of annular projections spaced radially apart from one another
and concentric with the axis; the lamp being characterized in that the plate is provided with a seat, that houses the light
source and the optical element and is bounded by a lateral wall surrounding the axis, the optical element, and the light source;
and in that the optical element has a reflecting surface shaped so as to reflect the light from the light source onto the
lateral wall of the seat and, through the lateral wall, into the plate; the face defining the rear active surface being substantially
perpendicular to the axis; and the projections projecting from the face substantially parallel to the axis, and beyond an
edge bounding the seat in which the light source and the optical element are housed; and wherein each projection has two opposite
lateral sides sloping with respect to the axis and the face.

US Pat. No. 11,032,891

METHOD FOR CONTROLLING A LIGHTING SYSTEM

ARTEMIDE S.P.A., Milan (...

1. A control method for controlling a lighting system and automatically adjusting the colour temperature of the lighting system, comprising:adjusting the colour temperature of the light emitted by the lighting system during one day according to a pre-set daily emission profile; wherein the colour temperature of the light emitted by the lighting system is progressively adjusted during the day according to a daily emission profile represented by a spline function comprising a plurality of spline function portions corresponding to respective pre-set time periods;
wherein the method further comprises acquiring a latitude of the controlled lighting system; acquiring a current date; and changing the daily emission profile depending on the acquired latitude and date; and
wherein the daily emission profile is determined by using a spline function specific for a certain day of the year and for a certain latitude.

US Pat. No. 10,508,780

MODULAR LIGHTING SYSTEM

ARTEMIDE S.P.A., (IT)

1. A modular lighting system comprising:at least one module and auxiliary components which can be assembled together, the module comprising:
a support core extending along an axis;
a plurality of LEDs arranged on at least one face of the support core and axially spaced along the axis; and
a light body positioned in front of the LEDs and at least partly around the LEDs;
wherein the modules and the auxiliary components are joined to one another by respective concealed mechanical and electrical connection devices, the connection devices being completely housed and concealed inside at least one of:
the modules; or
the auxiliary components; and
wherein the modules and the auxiliary components have respective lighting surfaces which transmit light emitted by the LEDs and which are continuously joined to one another and conceal the connection devices.

US Pat. No. 10,234,097

LED LIGHTING DEVICE

ARTEMIDE S.P.A., (IT)

1. A LED lighting device comprising a lighting body extending substantially along an axis and internally provided with a chamber housing a LED light source comprising a plurality of LEDs; the chamber being delimited by at least one lateral wall defined by a diffuser having an outer surface defining an emission surface of the device; wherein the diffuser has a transmission coefficient greater than or equal to 50% and a reflection coefficient greater than or equal to 45%; and wherein the chamber is also delimited by a further wall, made of a material which is at least partly transparent, and provided with an inner reflecting coating, facing the chamber and having a reflection coefficient greater than or equal to 80% and a transmission coefficient greater than or equal to 15%.

US Pat. No. 10,767,841

LIGHTING SYSTEM

ARTEMIDE S.p.A., (IT)

1. A lighting system comprising:a plurality of lighting units and at least one joint which joins two or more units; the joint comprising a central support extending along a first rotation axis (R1) and two or more arms which extend radially from the support and are hinged in a rotary manner to the support to rotate with respect to the support about the first rotation axis (R1);
wherein each arm is hinged in a rotary manner about a second rotation axis (R2), orthogonal to the first rotation axis (R1), to a connection head fixed to a lighting unit;
wherein the support comprises a cap coupled to a flange of the support above the two or more arms extending radially from the support, the cap substantially comprising an inverted cup shape and being provided with at least one entry opening passing through an upper wall for the passage of one or more cables; and
wherein the joint comprises internal passages, formed inside the cap and each arm, between the entry opening and respective exit openings formed on respective connection heads, so as to house, inside the joint, one or more cables.

US Pat. No. 10,278,267

LIGHTING SYSTEM

ARTEMIDE S.P.A., (IT)

1. A lighting system comprising:a plurality of lighting devices interconnected with one another in a communication network;
each of the lighting devices comprising at least one light source, a control device that controls the light source, and a communication device associated with the control device that connects the lighting device to the communication network and thus to all the other lighting devices of the lighting system, wherein the control device of each of the lighting devices is configured to be activated directly by a user and by instructions transmitted from one of the other lighting devices in the communication network;
wherein the lighting devices are configured so that instructions given to any one of the lighting devices via the respective control device are transmitted to all the other lighting devices so that each of the lighting devices is controlled from the instructions sent to the any one of the lighting devices;
wherein each of said lighting devices of the lighting system is configured to momentarily: (1) operate as a master when the lighting device directly receives an initial control input to activate the control device of the lighting device, the master transmitting instructions corresponding to the initial control input to each of the other lighting devices of the lighting system to activate the control devices of each of the other lighting devices; and (2) operate as a slave when the initial control input is received by another one of the lighting devices, the slave receiving the instructions corresponding to the initial control input from the master; and
wherein a determination as to whether each lighting device operates as the master or the slave is made based on whether the lighting device directly receives the initial control input, each of the lighting devices being configured to operate as the master at different moments in time.

US Pat. No. 10,267,487

LIGHTING DEVICE

ARTEMIDE S.P.A., (IT)

1. A lighting device comprising:a light source;
a reflector extending along and around a longitudinal axis, the reflector having an internal reflective surface arranged so as to intercept at least part of a light emitted by the light source and reflect said part towards a light exit opening;
a shield projecting from a distal end of the reflector, the distal end of the reflector being opposite to a proximal end of the reflector where the light source is located, wherein the shield is joined to a peripheral edge of the reflector that delimits the light exit opening;
wherein said internal reflective surface is a faceted polynomial surface comprising a pattern of reflective sectors arranged adjacent to one another on a polynomial base surface and having respective reflective surfaces;
wherein said reflective surfaces of said reflective sectors are convex surfaces;
wherein each reflective sector covers a virtual portion of the polynomial base surface that subtends the reflective surface of the reflective sector;
wherein the reflective surface of each reflective sector is shaped so as to increase a divergence of the reflected part of the light emitted by the light source with respect to a reflection that would occur on the virtual portion of the polynomial base surface subtending the reflective sector; and
wherein each virtual portion of the polynomial base surface is shaped so as to reflect the light emitted by the light source in a beam with a first amplitude ?, the reflective surface of the reflective sector covering the virtual portion being shaped so as to deflect said beam and generate a reflected beam with a larger amplitude ?+? so as not to further impinge the reflector or the shield.