Global Patent Index - EP 1563479 A2

EP 1563479 A2 20050817 - VIDEO CIRCUIT

Title (en)

VIDEO CIRCUIT

Title (de)

VIDEOSCHALTUNG

Title (fr)

CIRCUIT VIDEO

Publication

EP 1563479 A2 20050817 (EN)

Application

EP 03787941 A 20030724

Priority

  • EP 03787941 A 20030724
  • EP 02078419 A 20020819
  • EP 02079542 A 20021030
  • IB 0303312 W 20030724

Abstract (en)

[origin: WO2004017286A2] The invention relates to a video circuit (1) for processing video signals which show images on a display panel with linear light transition, comprising a gamma correction circuit (3), a quantizer (11) and a sub-field generator circuit (8). To save computing time, a memory (7) replaces the quantizer (11).

IPC 1-7

G09G 1/00

IPC 8 full level

G06F 3/147 (2006.01); G09G 1/00 (2006.01); G09G 3/20 (2006.01); G09G 3/294 (2013.01); H04N 5/202 (2006.01); H04N 5/70 (2006.01); H04N 5/44 (2011.01)

CPC (source: EP)

G09G 3/2018 (2013.01); G09G 3/2022 (2013.01); G09G 3/2051 (2013.01); G09G 3/2059 (2013.01); G09G 3/2948 (2013.01); H04N 5/202 (2013.01); H04N 5/70 (2013.01); G09G 3/2077 (2013.01); G09G 2320/0271 (2013.01); G09G 2320/0276 (2013.01); H04N 7/012 (2013.01)

Citation (search report)

See references of WO 2004017286A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004017286 A2 20040226; WO 2004017286 A3 20040603; AU 2003249530 A1 20040303; AU 2003249530 A8 20040303; EP 1563479 A2 20050817

DOCDB simple family (application)

IB 0303312 W 20030724; AU 2003249530 A 20030724; EP 03787941 A 20030724