sistema de iluminação

sistema de iluminação

An illumination system comprises:- an LED driver for generating a controllable output voltage, the driver having two output terminals coupled to the two input terminals of an LED system for providing the output voltage to the LED system, and- the LED system comprising:- a first group of LEDs having...

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1. Verfasser: ADRIANUS SEMPEL
Format: Patent
Sprache:por
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ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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creator ADRIANUS SEMPEL
description An illumination system comprises:- an LED driver for generating a controllable output voltage, the driver having two output terminals coupled to the two input terminals of an LED system for providing the output voltage to the LED system, and- the LED system comprising:- a first group of LEDs having a first group threshold voltage;- a second group of LEDs having a second group threshold voltage;- passive current distribution means in the form of a passive impedance, coupled only in series with the first LED group; and- two input terminals, wherein the first group of LEDs in series with the passive current distribution means is coupled in parallel with the second group of LEDs and wherein the parallel combination is coupled between the two input terminals;wherein the first group threshold voltage is smaller than the second group threshold voltage, andwherein the passive impedance is sufficiently large such that a current of the first group of LEDs will not be determined by an LED characteristic of the first group of LEDs
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and- two input terminals, wherein the first group of LEDs in series with the passive current distribution means is coupled in parallel with the second group of LEDs and wherein the parallel combination is coupled between the two input terminals;wherein the first group threshold voltage is smaller than the second group threshold voltage, andwherein the passive impedance is sufficiently large such that a current of the first group of LEDs will not be determined by an LED characteristic of the first group of LEDs</description><language>por</language><subject>ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20160913&amp;DB=EPODOC&amp;CC=BR&amp;NR=112013012675A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20160913&amp;DB=EPODOC&amp;CC=BR&amp;NR=112013012675A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ADRIANUS SEMPEL</creatorcontrib><title>sistema de iluminação</title><description>An illumination system comprises:- an LED driver for generating a controllable output voltage, the driver having two output terminals coupled to the two input terminals of an LED system for providing the output voltage to the LED system, and- the LED system comprising:- a first group of LEDs having a first group threshold voltage;- a second group of LEDs having a second group threshold voltage;- passive current distribution means in the form of a passive impedance, coupled only in series with the first LED group; and- two input terminals, wherein the first group of LEDs in series with the passive current distribution means is coupled in parallel with the second group of LEDs and wherein the parallel combination is coupled between the two input terminals;wherein the first group threshold voltage is smaller than the second group threshold voltage, andwherein the passive impedance is sufficiently large such that a current of the first group of LEDs will not be determined by an LED characteristic of the first group of LEDs</description><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAvziwuSc1NVEhJVcjMKc3NzEs8vPzw4nweBta0xJziVF4ozc2g6uYa4uyhm1qQH59aXJCYnJqXWhLvFGRoaGRgaGxgaGRmbupoZEysOgBTmSS3</recordid><startdate>20160913</startdate><enddate>20160913</enddate><creator>ADRIANUS SEMPEL</creator><scope>EVB</scope></search><sort><creationdate>20160913</creationdate><title>sistema de iluminação</title><author>ADRIANUS SEMPEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_BR112013012675A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>por</language><creationdate>2016</creationdate><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><toplevel>online_resources</toplevel><creatorcontrib>ADRIANUS SEMPEL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ADRIANUS SEMPEL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>sistema de iluminação</title><date>2016-09-13</date><risdate>2016</risdate><abstract>An illumination system comprises:- an LED driver for generating a controllable output voltage, the driver having two output terminals coupled to the two input terminals of an LED system for providing the output voltage to the LED system, and- the LED system comprising:- a first group of LEDs having a first group threshold voltage;- a second group of LEDs having a second group threshold voltage;- passive current distribution means in the form of a passive impedance, coupled only in series with the first LED group; and- two input terminals, wherein the first group of LEDs in series with the passive current distribution means is coupled in parallel with the second group of LEDs and wherein the parallel combination is coupled between the two input terminals;wherein the first group threshold voltage is smaller than the second group threshold voltage, andwherein the passive impedance is sufficiently large such that a current of the first group of LEDs will not be determined by an LED characteristic of the first group of LEDs</abstract><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title sistema de iluminação
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