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Inventor:
Repetto; Piermario
Address:
Turin, IT
No. of patents:
31
Patents:












Patent Number Title Of Patent Date Issued
8283680 Method for manufacture of transparent devices having light emitting diodes (LED) October 9, 2012
A method of fabrication of transparent LED devices, of the type comprising the operations of: i) providing a series of conductive paths on a transparent underlayer; ii) connecting said conductive paths to electronic control means; iii) associating to said underlayer an array of LED s
7932524 Transparent LED display and method for manufacture thereof April 26, 2011
Described herein is a transparent device for display of information superimposed on a background, said device comprising a plurality of LED sources, addressable individually or in groups through a series of conductive paths deposited on a transparent underlayer and connected to a con
7817183 Detection device to be installed on a road for detecting environmental conditions and monitoring October 19, 2010
A system with a multifunctional integrated visual sensor using a CMOS or CCD technology matrix having a sensitive area divided into Sub-areas dedicated to a series of specific functions.
7800290 High efficiency emitter for incandescent light sources September 21, 2010
An emitter (F) for incandescent light sources, in particular a filament, capable of being brought to incandescence by the passage of electric current is obtained in such a way as to have a value of spectral absorption .alpha. that is high in the visible region of the spectrum and low
7784422 Speed-indicating instrument for motor vehicle provided with an adaptive cruise-control system August 31, 2010
A speed-indicating instrument for a motor vehicle provided with a cruise-control system comprises a dial (1) provided with a speed-indicating pointer (3) that co-operates with a graduated scale (5). Displayed in a position adjacent to the graduated scale (5) is an arc of light (6) te
7615995 Thin film device for detection of physical quantities November 10, 2009
A thin-film device for detecting the variation of intensity of physical quantities, in particular a magnetic field, in a continuous way, comprises an electrical circuit including one or more sensitive elements, which are designed to vary their own electrical resistance as a function
7498730 Light emitting device with photonic crystal March 3, 2009
A light-emitting device comprises a light source in the form of an incandescent filament, a substantial part of which is integrated in a host element having at least one portion structured according to nanometric dimensions. The nano-structured portion is in the form of a photonic cr
7460161 Multifunctional integrated visual system with CMOS or CCD technology matrix December 2, 2008
The invention describes a system with a multifunctional integrated visual sensor using a CMOS or CCD technology matrix having a sensitive area divided into sub-areas dedicated to a series of specific functions.
7381994 Light-emitting device using a three-dimension percolated layer, and manufacturing process thereo June 3, 2008
A process for manufacturing an electroluminescent device comprising the steps of: making an organic or inorganic templating frame, comprising monodispersed nanoelements, in particular nanospheres; providing said nanoelements with a sheath consisting of metal nanoparticles, each nan
7323815 Light-emitting device comprising porous alumina, and manufacturing process thereof January 29, 2008
A light emitting device comprises a substrate, a porous alumina layer having a regular series of cavities of nanometric size containing an emitting material, and two electrodes in contact with the emitting material and connected to an electric voltage source. The first electrode comp
7291010 Combustion light-emitting device and corresponding method of fabrication November 6, 2007
A light-emitting device comprises a structure defining an orderly and periodic series of cavities of nanometric dimensions, in which a process of catalytic combustion is confined. The dimensions and/or the distance between the micro-cavities are selected to obtain a light emission in the
7268543 Device for detecting magnetic fields and related detecting methods September 11, 2007
A device for detecting magnetic fields, of the type comprising at least one element made of hard 5 magnetic material (12) and an element made of soft magnetic material (13) associated an element made of semiconductor material (11), electrodes (15) for forcing a current (I) in the sem
7267596 Light-emitting device comprising porous alumina, and corresponding method fabrication September 11, 2007
A light-emitting device, in particular a backlight device, comprises a transparent substrate (2) having a front surface and a rear surface, in which associated to the rear surface are means for generating an electromagnetic radiation that is able to pass through the substrate and com
7252265 Microaircraft and cellular phone equipped with microaircraft August 7, 2007
An aircraft which is attachable to, for example, a cellular phone. The aircraft is provided with at least four rotors actuated with compressed fluid or by ring-shaped electric motors.
7172795 Method for making three-dimensional structures having nanometric and micrometric dimensions February 6, 2007
A method for making three-dimensional structures of nanometric or micrometric dimensions comprises the following steps: obtaining of a photopolymeric or UV mixture including nanoparticles orientable in space; deposition of a layer of the mixture on a respective substrate; exposure of
7086637 Radiofrequency-controlled device for release/sampling of substances August 8, 2006
The present invention relates to a miniaturized device controlled by electromagnetic signals in the radiofrequency range for controlled release of substances or for controlled sampling of specimens, comprising a reservoir, and a closing system associated to said reservoir, where said
7075229 Light-emitting device comprising porous alumina, and corresponding method of fabrication July 11, 2006
A light-emitting device, in particular a backlight device, comprises a transparent substrate (2) having a front surface and a rear surface, in which associated to the rear surface are means for generating an electromagnetic radiation that is able to pass through the substrate and com
6861674 Electroluminescent device March 1, 2005
An electroluminescent device (1) comprises a supporting substrate (2); at least two electrodes (3) positioned on the substrate (2); at least a three-dimensional percolated layer (4), positioned on the substrate (2) between the two electrodes (3), having a metallic mesoporous structure
6825987 Light guide for display devices of the head-mounted or head-up type November 30, 2004
A light guide for display devices of the head-mounted or head-up type comprises: a body of the light guide (22) at least in part transparent to visible light; a coupling device (24) associated to the body of the light guide (22) and designed to couple the body (22) to an optical sy
6761475 Lighting device, particularly a motor vehicle light or emergency light July 13, 2004
A lighting device, comprising a luminous source consisting of a LED (5) that is placed between the flanges (2,3) of a primary reflector (1), which is essentially V-shaped. A secondary reflector (7), composed of an elongated element with steps (8), runs along the extension of one of the
6705746 Controlled-luminance lighting device March 16, 2004
A controlled-luminance lighting device comprising a fluorescent light source of a linear type (5), which extends longitudinally between a reflector (1) that is formed by an elongated body having a curved surface, and a set of transverse fins (3), which are set at a distance apart from
6641282 Controlled-luminance lighting device November 4, 2003
A controlled-luminance lighting device comprising a fluorescent lamp (1), which extends longitudinally between a primary reflector (2) and a secondary reflector (3). The primary reflector (2) is formed by a plurality of cup-like elements (4) set alongside one another, having a genera
6554455 Lighting device, particularly a motor vehicle light April 29, 2003
A lighting device, particularly a motor vehicle light, having a primary reflector (2) composed of a hollow body that defines a pair of pointed elements (4, 5), which face opposite directions, between which a luminous source (1) is placed; and a secondary reflector composed of an elongate
6486790 White-LED luminous signalling device November 26, 2002
A luminous signalling device comprises a body made of transparent synthetic material, basically in the form of a plate having two larger faces set opposite one another, at least one of which carries an image. A plurality of LED devices of the SMD type which emit white light is coupled
6441956 Optical element designed to operate in transmission in the infrared spectrum, provided with a hi August 27, 2002
High-density polyethylene (HDPE) is used as a coating for optical elements operating in transmission in the infrared spectrum, which are made up of a material other than polyethylene, such as hygroscopic salt, semiconductor materials, fluorides, chalcogenides, silver halides, and others,
6388566 Infrared sensor device for motor-vehicles, adapted for detecting presence of an overtaking vehic May 14, 2002
An infrared sensor device for motor-vehicles, designed to detect the presence of an overtaking vehicle, comprising at least two cells sensitive to infrared radiation, placed on one side of the reflecting plate on the outside rear view mirror of a motor-vehicle, behind focusing optics. Ea
6262786 Devices with micro-filters and micro-choppers for dynamic selection of colours and images July 17, 2001
The radiation beam emitted by a polychromatic source of finite dimension is incident onto an array of microlenses which have the function of converging and dividing the beam into a plurality of microbeams directed towards a matrix containing colored microfilters. Once the microfilters
6059428 Lighting device, particularly a motor vehicle headlamp, having a micro-lens structure with a fle May 9, 2000
A lighting device includes a thin transparent plate in which a plurality of micro-lenses arranged in a matrix are integrated. A second thin transparent plate is supported so as to be movable relative to the first plate by means of at least one pair of flexures. A plurality of micro-l
5997156 Lighting device for generating a rectangular pattern at the work area, E. G. for illuminating pe December 7, 1999
A lighting device which can be used for illuminating pedestrian crossings or in other applications where it is necessary to form a defined and uniform rectangular pattern includes a parabolic reflector element and a planar screen with an array of cylindrical microlenses or microprisms on
5829856 Devices with micro-filters for selection of colors and images November 3, 1998
The radiation beam emitted by a polychromatic source of finite dimension is initially corrected in its vergency and distribution by a reflector or a system which operates according to refraction, diffraction or total inner reflection effects. The beam then strikes on an array of micro-le
5818627 Devices with micro-mirrors and micro-filters for selecting colors and images October 6, 1998
The polychromatic or monochromatic radiation beam emitted by a light source strikes an array of micro-filters which partially or totally transmit the light beam towards an array of micro-mirrors. The partially reflected beam comes back towards the first array of micro-filters and passes










 
 
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