Title:
放送信号に関連する情報へのアクセスを提供するシステム
Document Type and Number:
Japanese Patent JP2005500736
Kind Code:
A
Abstract:
A system to provide access to information related to an audio or video signal being distributed to a multiplicity of people at a given time includes a watermarking arrangement for inserting identification codes into the audio or video signal before or at the time of distribution, the codes consisting of information identifying the time of distribution and the identity of the distributor, a reader for reading the identification codes and associating a block of data stored in a data store with the identification codes, and a communicator, such as, a mobile phone for one or more person who has received the audio or video signal to access the block of data using either the identification codes or the identity of the distributor and the time of distribution.
Inventors:
Hein, Jeffrey
Kilbride-Newman, Robert
Flint, robert
Kilbride-Newman, Robert
Flint, robert
Application Number:
JP2003521514A
Publication Date:
January 06, 2005
Filing Date:
August 06, 2002
Export Citation:
Assignee:
Central Research Laboratories Limited
International Classes:
H04N7/08; G06F17/30; G10K15/02; G10L19/018; G10L25/51; H04H20/31; H04M11/00; H04N7/081; H04N7/173; H04N21/4722; H04N21/8547; (IPC1-7): H04H1/00; G10K15/02; G10L11/00; H04N7/08; H04N7/081; H04N7/173
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Masaya Nishiyama