Global Patent Index - EP 0991972 A2

EP 0991972 A2 20000412 - PROJECTION DEVICE

Title (en)

PROJECTION DEVICE

Title (de)

PROJEKTIONSEINRICHTUNG

Title (fr)

DISPOSITIF DE PROJECTION

Publication

EP 0991972 A2 20000412 (DE)

Application

EP 99916841 A 19990319

Priority

  • DE 29807683 U 19980428
  • DE 19819246 A 19980429
  • DE 19819245 A 19980429
  • EP 9901861 W 19990319

Abstract (en)

[origin: US6580469B1] In a projection device with a matrix (50) located in an image plane for generating a video image, with optics (9) for projection of this video image on a screen and with a light source (3, 30) for illuminating the matrix (50), there is an arrangement by which the video image can be uniformly illuminated.

IPC 1-7

G02B 26/08

IPC 8 full level

G02B 7/182 (2006.01); G02B 26/08 (2006.01); G02B 27/00 (2006.01); G02B 27/09 (2006.01); G03B 21/00 (2006.01); H04N 5/74 (2006.01)

CPC (source: EP US)

G02B 7/1822 (2013.01 - EP US); G02B 26/0833 (2013.01 - EP US); G02B 27/09 (2013.01 - EP US); G02B 27/0994 (2013.01 - EP US); H04N 5/74 (2013.01 - EP US); H04N 9/3141 (2013.01 - EP US); H04N 5/7416 (2013.01 - EP US)

Citation (search report)

See references of WO 9956166A2

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

US 6580469 B1 20030617; EP 0991972 A2 20000412; JP 2002508093 A 20020312; WO 9956166 A2 19991104; WO 9956166 A3 20000120

DOCDB simple family (application)

US 44688199 A 19991228; EP 9901861 W 19990319; EP 99916841 A 19990319; JP 55354099 A 19990319