Patent application number | Description | Published |
20100110680 | MOUNTING ARRANGEMENT FOR LIGHTING MODULES AND CORRESPONDING METHOD - A lighting module includes a base plate for fixing to a mounting surface, and a reflector body carrying a printed circuit board with one or more electrical light sources such as high power LEDs. The printed circuit board (includes electrical contact pins to the electrical light sources. The base plate and the reflector body are provided with complementary coupling formations for snap-like coupling the base plate and the reflector body with an electrical line interposed in between for feeding the light sources with the electrical contact pins electrically contacting the electrical line. The module may include force-generating formations to urge the printed circuit board against the base plate to promote heat transfer in between. | 05-06-2010 |
20100242519 | HEAT SINK AND LIGHTING DEVICE COMPRISING A HEAT SINK - A heat sink may include a light source region for mounting a light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink; wherein the structure comprises vertically aligned fins; wherein the structure comprises an air flow channel leading from a bottom region to a lateral region, the air flow channel being created by a gap between adjacent fins; wherein the light source region comprises an open cavity formed by a cavity wall comprising a light source mounting region adapted to receive the light source; wherein the fins are integrally connected to the exterior of the cavity wall; wherein the heat sink comprises a solid heat sink base extending from the light source mounting region to the exterior and protruding from the cavity wall; and wherein the structure is in thermal connection with the heat sink base. | 09-30-2010 |
20100259935 | HEAT SINK AND LIGHTING DEVICE COMPRISING A HEAT SINK - A heat sink is provided. The heat sink may include an open cavity formed by a cavity wall, a cavity bottom wall thereof including a light source region adapted to have a light source mounted thereon and a lateral cavity wall thereof including a reflection region adapted to reflect light emitted from the light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink including a bottom region and a lateral region, the heat spreading and dissipation structure including a plurality of vertically aligned fins; an air guidance structure adapted to separate the heat sink from an air flow generator; and at least one mounting column for attaching the heat sink to a lighting device. | 10-14-2010 |
20110026231 | HOUSING FOR ELECTRICAL COMPONENTS - A housing for electrical components is provided. The housing may include a mouth portion to cooperate with a circuit board in an assembled condition wherein said circuit board is applied against said mouth portion of the housing. The housing may include at least one spring formation located at said mouth portion to cooperate with said circuit board to elastically urge said circuit board away from said mouth portion, and at least one hook-like formation extending from said mouth portion distally of said housing, said hook-like formation adapted to cooperate with said circuit board to retain said circuit board assembled to said housing against the force exerted by said spring formation. | 02-03-2011 |
Patent application number | Description | Published |
20120286848 | ELECTRONIC TRIMMING CIRCUIT - The trimming circuit includes a plurality of trimmable resistances that may be coupled among them, each resistance being connected in parallel to a respective fuse. The trimming circuit allows burning any number of fuses according to a fixed trimming sequence using only one or two dedicated pins because it includes an input diode-connected transistor and a plurality of trimming transistors of different sectional area, each connected to force current throughout a respective one of the shunt fuses and coupled to the input diode-connected transistor such to mirror the current flowing therethrough. The fuses of the trimming circuit may be burnt by applying a trimming voltage to the diode-connected input transistor with a voltage generator connected between a dedicated pin of the circuit and a terminal at a reference potential, such to force a current therethrough as long as the mirrored currents flowing throughout the fuses burn them. | 11-15-2012 |
20120293241 | ELECTRONIC TRIMMING CIRCUIT WITH REDUCED NUMBER OF DEDICATED TRIMMING PINS - An electronic trimming circuit carries out a trimming operation on portions of an integrated device. The circuit includes N trimmable interconnected resistances, each connected in parallel to a respective shunt fuse. N trimming transistors are each connected to a respective one of the shunt fuses to force therethrough substantially the whole current flowing in the respective trimming transistor. N bias networks are each functionally connected to a control terminal of a respective one of the trimming transistors to directly bias an active junction thereof. An externally driven heating device is thermally coupled with the active junctions of the trimming transistors adapted to raise the temperature thereof. | 11-22-2012 |
20130153897 | POWER BIPOLAR STRUCTURE, IN PARTICULAR FOR HIGH VOLTAGE APPLICATIONS - A power bipolar structure is described having at least one first, one second and one third terminal and including at least one power bipolar transistor having a finger structure coupled to at least one driving block. The power bipolar transistor includes at least one elemental bipolar cell connected to these first, second and third terminals and including at least one power elemental bipolar structure corresponding to a finger of the power bipolar transistor, electrically coupled between the first and second terminals and coupled to a driving section of the driving block by at least one sensing section able to detect information on the operation of the power elemental bipolar structure, the sensing section being in turn coupled to a control circuit and supplying it with a current value as a function of the local temperature of the power elemental bipolar structure. | 06-20-2013 |
20140197517 | TRIMMING CIRCUIT FOR AN INTEGRATED CIRCUIT AND RELATED INTEGRATED DEVICE - A trimming circuit is configured to carry out a trimming operation on a device portion of an integrated circuit device. The trimming circuit includes: shunt fuses wherein each shunt fuse is coupled in parallel to a trimming resistance, further resistances wherein each further resistance is coupled in parallel to a respective shunt fuse. The circuit is configured to allow the flow of the trimming current when the respective shunt fuse is burnt during the trimming operation. | 07-17-2014 |