Global Patent Index - EP 1066725 A1

EP 1066725 A1 2001-01-10 - IMAGE REPRESENTATION SYSTEM

Title (en)

IMAGE REPRESENTATION SYSTEM

Title (de)

BILDDARSTELLUNGSSYSTEM

Title (fr)

SYSTEME DE REPRESENTATION D'IMAGES

Publication

EP 1066725 A1 (DE)

Application

EP 00905005 A

Priority

  • DE 19904372 A
  • EP 0000830 W

Abstract (en)

[origin: DE19904372A1] The invention relates to an image representation system comprising a projector (1) for emitting projection light (4) so as to generate an image on a light-reflecting projection surface (7). According to the invention the wavelengths of the projection light (4) are situated in one or more discrete wavelength ranges in the visible spectrum and the projector-side of the projection surface (7) is covered with an optical filter (11) which is permeable only to light at wavelengths corresponding to those of the projection light (4).

IPC 1-7 (main, further and additional classification)

H04N 9/31; G03B 21/60

IPC 8 full level (invention and additional information)

G03B 21/56 (2006.01); G09F 19/18 (2006.01)

CPC (invention and additional information)

G09F 19/18 (2013.01); G03B 21/56 (2013.01)

Citation (search report)

See references of WO 0047001A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

DE 19904372 A1 20000810; DE 19904372 C2 20020801; EP 1066725 A1 20010110; US 6428169 B1 20020806; WO 0047001 A1 20000810

INPADOC legal status


2005-03-09 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040901

2003-11-12 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: JENOPTIK LDT GMBH

2001-05-02 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SCHNEIDER LASER TECHNOLOGIES AKTIENGESELLSCHAFT

2001-01-10 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000929

2001-01-10 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB