Title:
振幅変調された信号中の信号エッジのスロープ経路に影響を与える手段を備えるデータキャリア
Document Type and Number:
Japanese Patent JP2005529529
Kind Code:
A
Abstract:
Provided in a data carrier ( 1 ) designed to modulate a carrier signal (CS) that can be received in a contactless manner are transmission means ( 2 ) designed to transmit the carrier signal (CS), and a data signal source ( 9 ) designed to generate and emit a data signal (DS), and modulation means ( 11 ), which modulation means ( 11 ) is designed to receive the data signal (DS) and, using the data signal (DS), to modulate the carrier signal (CS) occurring at the transmission means ( 2 ) and to generate an amplitude-modulated signal (S), which amplitude-modulated signal (S) has signal edges (SL), wherein, in addition, signal-edge influencing means ( 12 ) is provided, which is designed to influence the slope characteristic of the signal edges (SL) in the amplitude-modulated signal (S).
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Inventors:
Ewald, Bergler
Application Number:
JP2004512074A
Publication Date:
September 29, 2005
Filing Date:
May 16, 2003
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
G06K7/00; G06K19/07; H04L27/04; H04B5/02; H04L25/03; H04L27/02; (IPC1-7): H04B5/02; H04L27/04
Attorney, Agent or Firm:
Kenji Yoshitake
Hidetoshi Tachibana
Yasukazu Sato
Hiroshi Yoshimoto
Yasushi Kawasaki
Hidetoshi Tachibana
Yasukazu Sato
Hiroshi Yoshimoto
Yasushi Kawasaki