Global Patent Index - EP 1054575 A3

EP 1054575 A3 2002-09-18 - Directional decoding

Title (en)

Directional decoding

Title (de)

Richtdekodierer

Title (fr)

Décodeur directionnel

Publication

EP 1054575 A3 (EN)

Application

EP 00304128 A

Priority

US 31305899 A

Abstract (en)

[origin: EP1054575A2] The degree of correlation between two audio signals is determined and the channels are normalised according to first and second normalisation modes responsive to correlation and uncorrelation respectively. <IMAGE>

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

H04S 3/00; H04S 5/02

IPC 8 full level (invention and additional information)

H04S 3/00 (2006.01); H04S 5/02 (2006.01)

CPC (invention and additional information)

H04S 5/005 (2013.01); H04S 2400/05 (2013.01)

Citation (search report)

  • [A] US 5046098 A 19910903 - MANDELL DOUGLAS E [US], et al
  • [A] EP 0593128 A1 19940420 - KONINKL PHILIPS ELECTRONICS NV [NL]
  • [A] PATENT ABSTRACTS OF JAPAN vol. 013, no. 404 (E - 817) 7 September 1989 (1989-09-07)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 017, no. 698 (E - 1481) 20 December 1993 (1993-12-20)

Designated contracting state (EPC)

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

EPO simple patent family

EP 1054575 A2 20001122; EP 1054575 A3 20020918; CN 100349497 C 20071114; CN 1281329 A 20010124; HK 1032705 A1 20080516; JP 2000350300 A 20001215

INPADOC legal status


2011-12-14 [18W] APPLICATION WITHDRAWN

- Effective date: 20111107

2010-11-10 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20101013

2003-06-04 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): DE FR

2003-05-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030305

2002-09-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2002-09-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI

2000-11-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-11-22 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI