Global Patent Index - EP 1183676 A1

EP 1183676 A1 20020306 - METHOD AND DEVICE FOR COMPENSATING THE PHASE FOR FLAT SCREENS

Title (en)

METHOD AND DEVICE FOR COMPENSATING THE PHASE FOR FLAT SCREENS

Title (de)

VERFAHREN UND EINRICHTUNG ZUM ABGLEICH DER PHASE BEI FLACHBILDSCHIRMEN

Title (fr)

PROCEDE ET DISPOSITIF DE COMPENSATION DE PHASE POUR ECRANS PLATS

Publication

EP 1183676 A1 20020306 (DE)

Application

EP 00929227 A 20000317

Priority

  • DE 0000835 W 20000317
  • DE 19913917 A 19990326

Abstract (en)

[origin: DE19913917A1] The invention relates to a method and a device for compensating the phase between the pixel timing of a graphics card and the scan timing of a flat screen, comprising an analogue interface in a flat-screen graphics-card computer system. The rising edge of a sufficiently bright pixel is determined in the first image column next to the back-porch area. The falling edge of the video pulse is determined in a sufficiently bright pixel in the last image column next to the front-porch area. The phase is adjusted in such a way that the scanning instant lies approximately midway between the rising and falling edges of the video pulse.

IPC 1-7

G09G 5/18; G09G 3/20

IPC 8 full level

G09G 3/20 (2006.01); G09G 5/00 (2006.01)

CPC (source: EP KR US)

G09G 3/2092 (2013.01 - EP US); G09G 5/18 (2013.01 - KR); G09G 5/008 (2013.01 - EP US)

Citation (search report)

See references of WO 0058937A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

DE 19913917 A1 20001005; DE 19913917 C2 20010125; CN 1183507 C 20050105; CN 1345435 A 20020417; EP 1183676 A1 20020306; KR 100437702 B1 20040630; KR 20020028867 A 20020417; TW 559781 B 20031101; US 6750855 B1 20040615; WO 0058937 A1 20001005

DOCDB simple family (application)

DE 19913917 A 19990326; CN 00805603 A 20000317; DE 0000835 W 20000317; EP 00929227 A 20000317; KR 20017012270 A 20010926; TW 89105459 A 20000328; US 92622401 A 20011015