Global Patent Index - EP 0991972 A2

EP 0991972 A2 2000-04-12 - PROJECTION DEVICE

Title (en)

PROJECTION DEVICE

Title (de)

PROJEKTIONSEINRICHTUNG

Title (fr)

DISPOSITIF DE PROJECTION

Publication

EP 0991972 A2 (DE)

Application

EP 99916841 A

Priority

  • DE 29807683 U
  • DE 19819246 A
  • DE 19819245 A
  • EP 9901861 W

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 (main, further and additional classification)

G02B 26/08

IPC 8 full level (invention and additional information)

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 (invention and additional information)

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

Citation (search report)

See references of WO 9956166A3

Designated contracting state (EPC)

DE FR GB NL

EPO simple patent family

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

INPADOC legal status


2005-05-18 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20041113

2003-08-13 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030626

2000-04-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991109

2000-04-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE FR GB NL