Global patent index - EP 1000393 A1

EP 1000393 A1 2000-05-17 - COMPUTER FOR THE ADDITION OF ELECTRONIC WATERMARKS

Title (en)

COMPUTER FOR THE ADDITION OF ELECTRONIC WATERMARKS

Title (de)

RECHNER ZUR ADDITION DER ELEKTRONISCHEN WASSERZEICHEN

Title (fr)

ORDINATEUR D'AJOUT DE FILIGRANES ELECTRONIQUES

Publication

EP 1000393 A1 (EN)

Application

EP 99925191 A

Priority

  • GB 9901759 W
  • GB 9811905 A

Abstract (en)

[origin: WO9963421A1] A computer comprises a data storage device (2) for storing files of information, at least one software application (4, 5, 6), an operating system (3) between the data storage device (2) and the or each application, and encoding means (7) to encode file information delivered to the or each application by the operating system.

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

G06F 1/00; H04N 1/32

IPC 8 full level (invention and additional information)

G06F 1/00 (2006.01); G06F 21/10 (2013.01); G06T 1/00 (2006.01)

CPC (invention and additional information)

G06T 1/0021 (2013.01); G06F 21/10 (2013.01); G06F 2221/0737 (2013.01)

Citation (search report)

See references of WO 9963421A1

Designated contracting state (EPC)

DE ES FR GB IT NL SE

EPO simple patent family

WO 9963421 A1 19991209; EP 1000393 A1 20000517; GB 9811905 D0 19980729

INPADOC legal status

2002-07-17 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020101

2000-05-17 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000306

2000-05-17 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT NL SE