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Title:
【発明の名称】復調装置およびデータ伝送システム
Document Type and Number:
Japanese Patent JP2965593
Kind Code:
B2
Abstract:
PURPOSE:To modulate signals with various baud rates while following up a received signal automatically by detecting the baud rate of the received signal and setting operation conditions of the band width of band limitation, the removal frequency of an unnecessary wave, etc., automatically corresponding to the baud rate. CONSTITUTION:The demodulating device is provided with a baud rate detecting means 27 which detects the baud rate of demodulated date obtained by modulating data and waveform shaping means 22, 28a, and 29a which shapes the waveform of the demodulated data with band width preset corresponding to the detection result of the detecting means 27. Then this system is provided with a demodulating device main body which demodulates the modulated data after the waveform shaping of the waveform shaping means 22, 28a, and 29a and unnecessary wave removing means 25, 28b, and 29b which remove a signal of frequency preset corresponding to the detection result of the baud rate detecting means 27 from the data demodulated by the demodulating device main body. Consequently, transmitters with various baud rates is attained and wide-range data transmission is realized.

Inventors:
KANAIDA SHINJI
Application Number:
JP104290A
Publication Date:
October 18, 1999
Filing Date:
January 09, 1990
Export Citation:
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Assignee:
TOSHIBA KK
TOSHIBA EE BUI II KK
International Classes:
H03K9/00; H04L27/00; H04L29/08; (IPC1-7): H04L29/08; H03K9/00; H04L27/00
Domestic Patent References:
JP1173948A
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)