Nova Patents
AT359689T

Led control apparatus

Abstract

An is for controlling RGB-based LED light-emitting device, and device for measuring filtering photodiode and non-filtration photodiode's output signal, and is of light-emitting, green and blue LED each of these values and covered matching relation. To the red, green and blue LED are covered matched and expectation blending colour lamp the differential value is covered on Coordinate, the adjusting driving the LED light the forward current.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

12 members in 7 offices

This recordMember, by publication datePriority claim

Priority claims1

Priority claims
DocumentOfficeKindDate
8332901United States of AmericaA

Members12

Family members, oldest first
DocumentOfficeKind
US2003076056A1United States of AmericaA1
WO03037042A1World Intellectual Property Organization (WIPO)A1
US6630801B2United States of AmericaB2
EP1440604A1European Patent Office (EPO)A1
CN1575623AChinaA
JP2005507546AJapanA
EP1440604B1European Patent Office (EPO)B1
AT359689TThis recordAustriaT
DE60219504D1GermanyD1
DE60219504T2GermanyT2
JP4152885B2JapanB2
CN100490595CChinaC